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WO2018176770A1 - Film nacré bopp et procédé de fabrication correspondant - Google Patents

Film nacré bopp et procédé de fabrication correspondant Download PDF

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Publication number
WO2018176770A1
WO2018176770A1 PCT/CN2017/104039 CN2017104039W WO2018176770A1 WO 2018176770 A1 WO2018176770 A1 WO 2018176770A1 CN 2017104039 W CN2017104039 W CN 2017104039W WO 2018176770 A1 WO2018176770 A1 WO 2018176770A1
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WO
WIPO (PCT)
Prior art keywords
surface layer
trimming
raw materials
antioxidant
core layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/104039
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English (en)
Chinese (zh)
Inventor
方文彬
许艺生
徐登赛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUQIAN GETTEL PLASTIC INDUSTRY Co Ltd
Original Assignee
SUQIAN GETTEL PLASTIC INDUSTRY Co Ltd
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Filing date
Publication date
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Publication of WO2018176770A1 publication Critical patent/WO2018176770A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
    • C08J2323/28—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof

Definitions

  • the invention relates to a pearlescent film and a manufacturing method thereof, in particular to a BOPP pearlescent film and a manufacturing method thereof.
  • the pearlescent film is made of a polypropylene resin as a raw material, added with calcium carbonate, a pearlescent pigment, etc., and is mixed and biaxially stretched. Since the mechanical foaming method is adopted, the specific gravity of the pearlescent film is only about 0.7, and the specific gravity of the PP is about 0.9, so the soft packaging enterprise is willing to use it because of its low cost, good decoration and excellent performance.
  • the BOPP pearl film of the composite structure is often used in cold drink packaging such as ice cream, heat seal label, sweet food, biscuit, flavor snack packaging, etc. due to its certain pearlescent effect. In the long-term production process, it is found that the manufacturing cost of the pearl film is high, and the defective rate is high.
  • the present invention is directed to the deficiencies in the background art: a BOPP pearlescent film and a method of manufacturing the same are provided.
  • a BOPP pearl film comprising three layers A, B and C, wherein the A and C layers are surface layers, B is a core layer, and the surface layer A is 85-90% chlorinated polyethylene, 5% polyethylene, 3% poly Propylene, 1-4% antioxidant and residual pearl powder, the core layer B is 50% polypropylene, 30% pearl powder, 2-5% antistatic agent and residual antioxidant, the surface layer C is 30- 56% polystyrene, 20-35% epoxy resin, 10-20% heat stabilizer, 5-15% antistatic agent, 3-5% antioxidant, 10-15% pearlescent diester and remaining smooth Agent.
  • the thickness distribution of each of the layers A, B, and C is 0.7-2.4 micrometers, the thickness of the core layer B is 5-7 micrometers, and the thickness of the surface layer C is 1-3 micrometers.
  • the antioxidant is p-phenylenediamine, dihydroquinoline, trioctyl ester, tridecyl ester or 2,6-tributyl-4-methylphenol.
  • the antistatic agent is an anionic antistatic agent.
  • the main components of the slip agent are ⁇ -amylase preparation, ⁇ -glucosidase, sodium alkylbenzene sulfonate and gum arabic.
  • a method for manufacturing a BOPP pearl film comprises the following steps: (1) filtering the raw material, which will be used for the surface layer A, The raw materials of the core layer B and the surface layer C are filtered twice by a filter screen to drive out the filtered impurities; (2) the mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in the mixer.
  • the melt flows out in three layers in the die, the die temperature is 225-260 ° C, and then cooled by the cold water in the casting roll to form a thick piece.
  • the surface temperature of the slab roll is 5-12 ° C, (6) longitudinal stretching, before the longitudinal stretching, the thick piece After preheating by the preheating roller, it enters the longitudinal stretching machine and performs longitudinal stretching for 3-6 times, and stretches it into a thin sheet, (7) transversely stretching, and the sheet is longitudinally stretched and then enters the transverse stretching machine for 3 -6 times of transverse stretching, and then enter the shaping zone for secondary cooling, (8) traction trimming, and then before the trimming, before inspection, check the sheet with the inspection device or the naked eye to see if There is ⁇ , if it exists, whether it can be repaired during the process of traction trimming, and then trimming, the waste generated during the trimming process is sent to the pulverizer for smashing, (9) winding, after cutting and finishing The winding device
  • the invention has the advantages of simple structure, convenient operation, low manufacturing cost, low defect rate generated in the manufacturing process, beautiful appearance and good performance.
  • One embodiment of the present invention provides a BOPP pearl film comprising three layers of A, B, and C, wherein the A and C layers are surface layers, B is a core layer, and the surface layer A is 85-90% chlorinated polyethylene. 5% polyethylene, 3% polypropylene, 1-4% antioxidant and residual pearl powder, the core layer B is 50% polypropylene, 30% pearl powder, 2-5% antistatic agent and residual anti-oxidation
  • the surface layer C is 30-56% polystyrene, 20-35% epoxy resin, 10-20% heat stabilizer, 5-15% antistatic agent, 3-5% Antioxidant, 10-15% pearlescent diester and residual slip agent.
  • the core layer B is mainly composed of 45-55% polypropylene , 25-35% pearl powder, 2-5% antistatic agent and the balance of antioxidants
  • the surface layer C is mainly composed of 30-50% polystyrene, 20-35% epoxy resin, 10-20% It is made of heat stabilizer, 5-15% antistatic agent, 3-5% antioxidant, 10-15% pearlescent diester and balance slip agent.
  • the surface layer A is mainly composed of 85-90% chlorinated polyethylene, 5% polyethylene, 3% polypropylene, and 1-4% anti-% by weight. Oxygen agent and balance pearl powder.
  • the surface layer A is mainly composed of 87% chlorinated polyethylene, 6% polyethylene, 3% polypropylene, 2% antioxidant, and the like. Made of pearl powder.
  • the core layer B is mainly composed of 50% polypropylene, 30% pearl powder, 2-5% antistatic agent and the balance antioxidant. production.
  • the core layer B is mainly made of 50% polypropylene, 30% pearl powder, 3% antistatic agent and the balance antioxidant. .
  • the surface layer C is mainly composed of 30-50% polystyrene, 20-35% epoxy resin, 10-20% heat stabilizer, or percentage by weight, 5-15% antistatic agent, 3-5% antioxidant, 10-15% pearlescent diester and balance slip agent.
  • the surface layer C is mainly composed of 30-40% polystyrene, 20-30% epoxy resin, 10-15% heat stabilizer, or percentage by weight, It is made of 5-10% antistatic agent, 3-5% antioxidant, 10-12% pearlescent diester and balance slip agent.
  • the thickness distribution of each of the layers A, B, and C is 0.7-2.4 micrometers, the thickness of the core layer B is 5-7 micrometers, and the thickness of the surface layer C. It is 1-3 microns.
  • the surface layer A has a thickness of 1-2.4 ⁇ m
  • the core layer B has a thickness of 5-7 ⁇ m
  • the surface layer C has a thickness of 1-3 ⁇ m.
  • the surface layer A has a thickness of 2 to 2.4 ⁇ m
  • the core layer B has a thickness of 5 ⁇ m
  • the surface layer C has a thickness of 2-3 ⁇ m.
  • the antioxidant comprises a solvent selected from the group consisting of p-phenylenediamine, dihydroquinoline, trioctyl ester, tridecyl ester or 2,6-tertiary butyl- At least one of the group consisting of 4-methylphenol.
  • the antistatic agent is an anionic antistatic agent.
  • the main component of the slip agent comprises a group selected from the group consisting of an ⁇ -amylase preparation, ⁇ -glucosidase, sodium alkylbenzene sulfonate and gum arabic. At least one of them.
  • An optional embodiment of the present invention further provides a method for manufacturing a BOPP pearl film, comprising the following steps:
  • the raw materials were filtered, and the raw materials for producing the surface layer A, the core layer B, and the surface layer C were respectively filtered at least twice with a filter sieve to drive off the filtered impurities.
  • the raw materials for forming the surface layer A, the core layer B, and the surface layer C are separately filtered twice by a filter screen.
  • the materials used for the production of the surface layer A, the core layer B and the surface layer C can be mixed and stirred at the same time. If the number of mixers is not enough, it needs to be done in sequence.
  • the purity of the feedstock is desired to be higher, it can be filtered again after secondary filtration.
  • the extruder is preheated in advance, when the temperature of the heating zone is 180 At -210 ° C, the mixed raw materials are placed in an extruder.
  • the mixed raw materials are plasticized and kneaded under the action of the extruder, and two exhaust gases are passed through the third and fifth heating zones.
  • the mouth sucks out the moisture on the raw material, and the air is discharged by a vacuum pump, and the mixed raw material is melted and then enters the filter through the metering pump, and then enters the touch head.
  • the extruder has first, second, third, fourth and fifth heating zones arranged in sequence along the advancement direction of the material.
  • the melt flows out in three layers in the die, the temperature of the die is 225-260 ° C, and then cooled by the cold water in the casting roll to form a thick piece.
  • the surface temperature of the casting roll is 5-12. °C.
  • the die adopts a three-layer co-extrusion die, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C are processed in an extruder and then extruded through a three-layer co-extrusion die. After cooling, a solid slab having a surface layer A, a core layer B and a surface layer C is formed. That is to say, the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C are independently processed in the extruder, and then a three-layer composite structure is formed at the three-layer co-extrusion die.
  • the sheet is longitudinally stretched and then placed in a transverse stretching machine for 3-6 times of transverse stretching, and then re-entered into the setting zone for secondary cooling.
  • the method further comprises the step of pulling and trimming after the transverse stretching (8): before the trimming of the trimming, the inspection is performed in advance, and the inspection device or the naked eye is used. The sheet is inspected. If there is flaw, it can be repaired during the process of pulling and trimming, and then trimming is performed. The waste generated during the trimming process is sent to the crusher for crushing.
  • the winding step (9) is performed after the trimming of the trimming, and the winding is performed by the winding device after the trimming is completed.
  • the method further comprises a slitting step (10) performed after the winding, the unwinding of the film is unwound, and after the film is laid in the unwinding process
  • the slitting device is used for slitting according to a predetermined size.
  • a method for manufacturing a BOPP pearl film comprises the following steps: (1) raw material filtration, which is used for preparing the surface layer A, the core layer B and the surface layer C.
  • the filter screen is filtered one by one to remove the filtered impurities; (2) the mixture is stirred, and the raw materials for preparing the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 3 5 minutes, (3) secondary filtration, the raw materials after the mixing and mixing are filtered by a filter screen, filtered and placed in an extruder; (4) melt extrusion, mixing after secondary filtration Before the raw material is placed in the extruder, the extruder is preheated in advance.
  • the mixed raw materials are placed in the extruder.
  • the raw materials are used in the extruder.
  • Product packaging final storage.
  • the invention discloses a BOPP pearlescent film comprising three layers of A, B and C, wherein the A and C layers are surface layers, B is a core layer, and the surface layer A is 85-90% chlorinated polyethylene and 5% polyethylene.
  • the core layer B is 50% polypropylene, 30% pearl powder, 2-5% antistatic agent and residual antioxidant
  • the surface layer C is 30-56% polystyrene, 20-35% epoxy resin, 10-20% heat stabilizer, 5-15% antistatic agent, 3-5% antioxidant, 10-15% pearl film diester
  • the thickness distribution of each of the layers A, B, and C the thickness of the surface layer A is 0.7-2.4 micrometers
  • the thickness of the core layer B is 5-7 micrometers
  • the thickness of the surface layer C is 1-3 micrometers.
  • the oxygen agent is p-phenylenediamine, dihydroquine a porphyrin, a trioctyl ester, a tridecyl ester or a 2,6-tributyl-4-methylphenol, the antistatic agent being an anionic antistatic agent, the main component of the slip agent being an ⁇ -amylase preparation, —-glucose, sodium alkylbenzene sulfonate and gum arabic.
  • a method for manufacturing a BOPP pearl film comprises the following steps: (1) filtering raw materials, and filtering the raw materials for forming the surface layer A, the core layer B and the surface layer C one by one with a filter screen to drive out the filtered impurities; 2) Mixing and mixing, the raw materials used for making surface layer A, core layer B and surface layer C are respectively placed in a mixer for mixing, stirring time is 3-5 minutes, (3) secondary filtration, mixing by mixing The raw materials are filtered by a filter screen, filtered, and placed in an extruder. (4) Melt extrusion, preheating the extruder before placing the secondary filtered mixed raw materials into the extruder.
  • the mixed raw materials are put into the extruder, and during the melting process, the raw materials are plasticized, kneaded by the extruder, and heated by the third and fifth.
  • the two exhaust ports of the zone suck out the moisture on the raw material, the air is discharged by a vacuum pump, the raw material is melted and then enters the filter through the metering pump, and then enters the die; (5) the cast piece, the melt is divided into three layers in the die Outflow, the die temperature is 225-260 ° C, and then cooled by cold water in the slab roll Thick sheet, the surface temperature of the casting roll is 5-12 ° C, (6) longitudinal stretching.
  • the thick piece Before the longitudinal stretching, the thick piece is preheated by the preheating roll and then enters the longitudinal stretching machine for 3-6 times. Stretching, stretching it into a sheet, (7) transverse stretching, the sheet is longitudinally stretched and then transferred into a transverse stretching machine for 3-6 times of transverse stretching, and then into the setting zone for secondary cooling, (8 ) Traction trimming, before pulling the trimming edge, conduct inspection beforehand, check the sheet with the inspection device or the naked eye to see if there is any flaw. If it exists, see if it can be repaired during the traction trimming process, then cut it.
  • the waste generated during the trimming process is sent to the pulverizer for pulverization, (9) winding, after the trimming is completed, the winding device is used for winding, (10) slitting, and then the film is wound up.
  • the unwinding is carried out, and after the film is laid in the unwinding process, the slitting device is used for slitting according to the predetermined size, (11) acceptance, the film after the slitting is subjected to acceptance, the qualified packaging is accepted, and the acceptance is unqualified, ( 12) Pack the qualified products and finally store them.
  • the utility model discloses a BOPP pearl film comprising three layers of A, B and C, wherein A and C layers are surface layers, B is a core layer, and the surface layer A is 87% chlorinated polyethylene, 5% polyethylene, 3 % polypropylene, 2% antioxidant and residual pearl powder, the core layer B is 50% polypropylene, 30% pearl powder, 3% antistatic agent and residual antioxidant, the surface layer C is 45% polyphenylene Ethylene, 25% epoxy resin, 13% heat stabilizer, 9% antistatic agent, 4% antioxidant, 12% pearlescent diester and residual slip agent, thickness distribution of the layers A, B and C
  • the thickness of the surface layer A is 2 micrometers
  • the thickness of the core layer B is 5 micrometers
  • the thickness of the surface layer C is 2 micrometers
  • the antioxidant is p-phenylenediamine, dihydroquinoline, trioctyl ester, tridecyl ester or 2,6 - Tert-butyl-4-methylphenol
  • the antistatic agent
  • a method for manufacturing a BOPP pearl film comprises the following steps: (1) filtering raw materials, and filtering the raw materials for forming the surface layer A, the core layer B and the surface layer C one by one with a filter screen to drive out the filtered impurities; 2) Mixing and mixing, the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 4 Minutes, (3) secondary filtration, the raw materials after the mixing of the mixture are filtered by a filter screen, filtered, and placed in an extruder; (4) melt-extruded, mixed raw materials after secondary filtration Before putting in the extruder, preheat the extruder beforehand.
  • the mixed raw materials are put into the extruder.
  • the raw materials are plasticized by the extruder.
  • the air is discharged by a vacuum pump, the raw material is melted, enters the filter through the metering pump, and then enters the die;
  • the cast piece, the melt flows out in three layers in the die, the temperature of the die is 240 ° C, and then cooled by the cold water in the casting roll to form a thick piece, the surface temperature of the casting roll is 8 ° C, (6) longitudinal drawing Stretching, before longitudinal stretching, the slab is preheated by a preheating roll, subjected to longitudinal stretching in a longitudinal stretching machine for 5 times, and stretched into a sheet, (7) transversely stretched, and the sheet is pulled longitudinally.
  • the invention discloses a BOPP pearl film comprising three layers A, B and C, wherein the A and C layers are surface layers, B is a core layer, and the surface layer A is 85% chlorinated polyethylene, 5% polyethylene, 3 % polypropylene, 4% antioxidant and residual pearl powder, the core layer B is 50% polypropylene, 30% pearl powder, 5% antistatic agent and residual antioxidant, the surface layer C is 30% polyphenylene Ethylene, 35% epoxy resin, 20% heat stabilizer, 5% antistatic agent, 3% antioxidant, 10% pearlescent diester and residual slip agent, thickness distribution of the layers A, B and C
  • the surface layer A has a thickness of 2.4 ⁇ m
  • the core layer B has a thickness of 5 ⁇ m
  • the surface layer C has a thickness of 3 ⁇ m.
  • the antioxidant is p-phenylenediamine, dihydroquinoline, trioctyl ester, tridecyl ester or 2,6 - Tert-butyl-4-methylphenol
  • the antistatic agent is an anionic antistatic agent
  • the main components of the slip agent are ⁇ -amylase preparation, ⁇ -glucose, sodium alkylbenzene sulfonate and Arabian gum.
  • a method for manufacturing a BOPP pearl film comprises the following steps: (1) filtering raw materials, and filtering the raw materials for forming the surface layer A, the core layer B and the surface layer C one by one with a filter screen to drive out the filtered impurities; 2) Mixing and mixing, the raw materials for making the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing, stirring time is 5 minutes, (3) secondary filtration, after mixing by mixing The raw materials are filtered by a filter screen, filtered, and placed in an extruder; (4) melt-extruded, and the pre-heated extruder is preheated before the secondary filtered mixed raw materials are placed in the extruder.
  • the mixed raw materials are placed in an extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder, and passed through two of the third and fifth heating zones.
  • the exhaust port sucks out the moisture on the raw material, and the air is discharged by a vacuum pump.
  • the raw material After the raw material is melted, it enters the filter through the metering pump and then enters the die; (5) the cast piece is melted in the mold.
  • the head is divided into three layers, the temperature of the die is 260 ° C, and then cooled by cold water in the slab roll to form a slab.
  • the surface temperature of the slab roll is 5 ° C, (6) longitudinal stretching, longitudinal stretching Before, the slab is preheated by the preheating roller, and then enters the longitudinal stretching machine for 6 times longitudinal stretching, which is stretched into a sheet, (7) transversely stretched, and the sheet is longitudinally stretched and then introduced into the transverse stretching machine. Perform 3 horizontal stretching in the inside, then enter the setting area for secondary cooling, (8) Traction trimming, and then pull the cutting edge before conducting inspection. Check the sheet with the inspection device or the naked eye to see if it exists. ⁇ , if it exists, whether it can be repaired during the process of traction trimming, and then trimming, the waste generated during the trimming process is sent to the pulverizer for smashing, (9) winding, after the trimming is completed, the winding is completed.
  • the device performs winding, (10) slitting, and then the unwinding film is unwound, and after the film is laid in the unwinding process, the slitting device is used for slitting according to a predetermined size, (11) acceptance, The film after slitting is accepted, the qualified package is accepted, and the acceptance is unqualified. Back, (12) the acceptance of the product packaging, final storage.
  • the BOPP pearlescent film of the present embodiment comprises three layers of A, B, and C which are sequentially stacked, wherein the A and C layers are surface layers, and B is a core layer; and the surface layer A is mainly composed of 90% chlorinated by weight.
  • the core layer B is mainly composed of 55% polypropylene, 25% pearl powder, 5% antistatic agent and balance
  • the surface layer C is mainly composed of 45% polystyrene, 20% epoxy resin, 12% heat stabilizer, 6% antistatic agent, 4% antioxidant, 10% pearl film diester and Made of a slip agent.
  • each layer of A, B, and C surface layer A has a thickness of 1.8 ⁇ m, core layer B has a thickness of 7 ⁇ m, surface layer C has a thickness of 1 ⁇ m, and the antioxidant is p-phenylenediamine, and the antistatic agent
  • the agent is an anionic antistatic agent, and the main components of the slip agent are ⁇ -amylase preparation, ⁇ -glucosidase, sodium alkylbenzene sulfonate and gum arabic.
  • the method for producing the BOPP pearl film comprises the following steps: (1) filtering the raw materials, and filtering the raw materials for preparing the surface layer A, the core layer B and the surface layer C by using a filter screen twice to remove the filtered impurities; (2) The mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 5 minutes. (3) Secondary filtration, the raw materials after the mixture is stirred. Filtered by secondary filtration, filtered and placed in an extruder; (4) melt-extruded, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C after secondary filtration are separately extruded.
  • the extruder Before the machine, the extruder is preheated in advance.
  • the temperature of the heating zone is 180 °C
  • the mixed raw materials are placed in the extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder.
  • the water on the raw material is sucked out through the two exhaust ports of the third and fifth heating zones, the air is discharged by a vacuum pump, the mixed raw material is melted, enters the filter through the metering pump, and then enters the die; (5) the cast piece,
  • the melt corresponding to the surface layer A, the core layer B and the surface layer C is divided into three layers in the die.
  • the die temperature is 225 ° C, and then cooled by cold water in the casting roll to form a thick piece, the surface temperature of the casting roll is 5 ° C; (6) longitudinal stretching, before longitudinal stretching The slab is preheated by the preheating roller, and then enters the longitudinal stretching machine for 6 times longitudinal stretching to stretch it into a sheet; (7) transverse stretching, the sheet is longitudinally stretched Enter the transverse stretching machine for 3 times of horizontal stretching, then enter the setting area for secondary cooling, (8) to pull the trimming edge, and then to pull the trimming edge before performing the inspection, and use the inspection device or the naked eye to carry out the sheet. Check and see if there is any flaws.
  • the winding device is used for winding, (10) slitting, and then the wound film is unwound, and after the film is laid in the unwinding process, the slitting device is used for slitting according to a predetermined size.
  • the BOPP pearlescent film of the present embodiment comprises three layers of A, B, and C which are sequentially stacked, wherein the A and C layers are surface layers, and B is a core layer; the surface layer A is mainly composed of 87% chlorinated by weight.
  • the core layer B is mainly composed of 45% polypropylene, 30% pearl powder, 4% antistatic agent and balance.
  • the surface layer C is mainly composed of 30% polystyrene, 25% epoxy resin, 15% heat stabilizer, 10% antistatic agent, 5% antioxidant, 12% pearl film diester and Made of a slip agent.
  • each layer of A, B, and C surface layer A has a thickness of 2 micrometers, core layer B has a thickness of 6 micrometers, surface layer C has a thickness of 3 micrometers, and the antioxidant is dihydroquinoline, and the antistatic agent
  • the agent is an anionic antistatic agent, and the main components of the slip agent are ⁇ -amylase preparation, ⁇ -glucosidase, sodium alkylbenzene sulfonate and gum arabic.
  • the method for producing the BOPP pearl film comprises the following steps: (1) filtering the raw materials, and filtering the raw materials for preparing the surface layer A, the core layer B and the surface layer C by using a filter screen twice to remove the filtered impurities; (2) The mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 5 minutes. (3) Secondary filtration, the raw materials after the mixture is stirred. Filtered by secondary filtration, filtered and placed in an extruder; (4) melt-extruded, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C after secondary filtration are separately extruded.
  • the extruder Before the machine, preheat the extruder in advance.
  • the temperature of the heating zone is 200 °C
  • the mixed raw materials are put into the extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder.
  • the water on the raw material is sucked out through the two exhaust ports of the third and fifth heating zones, the air is discharged by a vacuum pump, the mixed raw material is melted, enters the filter through the metering pump, and then enters the die; (5) the cast piece,
  • the melt corresponding to the surface layer A, the core layer B and the surface layer C is divided into three layers in the die.
  • the temperature of the die is 240 ° C, and then cooled by cold water in the slab roll to form a thick sheet, the surface temperature of the slab roll is 8 ° C; (6) longitudinal stretching, before longitudinal stretching The slab is preheated by the preheating roller and then enters the longitudinal stretching machine for 6 times longitudinal stretching to stretch it into a thin sheet; (7) transversely stretching, the sheet is longitudinally stretched and then enters the transverse stretching machine. Perform 3 times of horizontal stretching, then enter the setting area for secondary cooling, (8) pull the trimming edge, and then pull the trimming edge before performing the inspection. Check the sheet with the inspection device or the naked eye to see if there is any flaw.
  • the waste generated in the trimming process is sent to the crusher for crushing, (9) winding, after the trimming is completed, the winding device is used for collecting Roll, (10) slitting, and then unwinding the finished film, and then slitting the film according to the predetermined size after the film is unwound, (11) acceptance, after slitting The film is accepted and accepted, and the qualified packaging is accepted. The acceptance is unqualified and returned. (12) The products that have passed the acceptance are packaged and finally put into storage.
  • the BOPP pearl film of the present embodiment comprises three layers of A, B, and C which are sequentially stacked, wherein the A and C layers are surface layers, and B is a core layer; and the surface layer A is mainly composed of 85% chlorinated by weight.
  • the core layer B is mainly composed of 48% polypropylene, 35% pearl powder, 3% antistatic agent and balance.
  • the surface layer C is mainly composed of 50% polystyrene, 20% epoxy resin, 10% heat stabilizer, 5% antistatic agent, 3% antioxidant, 10% pearl film diester and the balance Made of a slip agent.
  • the thickness distribution of each of the layers A, B, and C is 1 micrometer, the thickness of the core layer B is 5 micrometers, the thickness of the surface layer C is 2 micrometers, and the antioxidant is 2,6-tertiary butyl- 4-methylphenol, the antistatic agent is an anionic antistatic agent, and the main component of the slip agent is an ⁇ -amylase preparation.
  • the method for producing the BOPP pearl film comprises the following steps: (1) filtering the raw materials, and filtering the raw materials for preparing the surface layer A, the core layer B and the surface layer C by using a filter screen twice to remove the filtered impurities; (2) The mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 5 minutes. (3) Secondary filtration, the raw materials after the mixture is stirred. Filtered by secondary filtration, filtered and placed in an extruder; (4) melt-extruded, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C after secondary filtration are separately extruded.
  • the mixed raw materials are put into the extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder.
  • the water on the raw material is sucked out through the two exhaust ports of the third and fifth heating zones, the air is discharged by a vacuum pump, the mixed raw material is melted, enters the filter through the metering pump, and then enters the die; (5) the cast piece,
  • the melt corresponding to the surface layer A, the core layer B and the surface layer C is divided into three layers in the die.
  • the temperature of the die is 260 ° C, and then cooled by cold water in the slab roll to form a slab, the surface temperature of the slab roll is 10 ° C; (6) longitudinal stretching, before longitudinal stretching The slab is preheated by the preheating roller and then enters the longitudinal stretching machine for 6 times longitudinal stretching to stretch it into a thin sheet; (7) transversely stretching, the sheet is longitudinally stretched and then enters the transverse stretching machine. Perform 3 times of horizontal stretching, then enter the setting area for secondary cooling, (8) pull the trimming edge, and then pull the trimming edge before performing the inspection. Check the sheet with the inspection device or the naked eye to see if there is any flaw.
  • the waste generated during the trimming process is sent to the pulverizer for smashing, (9) winding, after the trimming is completed, the winding device is used. Winding, (10) slitting, then winding The completed film is unwound, and after the film is laid in the unwinding process, the slitting device is used for slitting according to a predetermined size, (11) acceptance, the film after slitting is accepted, the qualified package is accepted, and the acceptance is unqualified. Returned, (12) The products that have passed the acceptance inspection are packaged and finally put into storage.
  • the BOPP pearlescent film of the present embodiment comprises three layers of A, B, and C which are sequentially stacked, wherein the A and C layers are surface layers, and B is a core layer; and the surface layer A is mainly composed of 90% chlorinated by weight.
  • the core layer B is mainly composed of 52% polypropylene, 28% pearl powder, 2% antistatic agent and the balance.
  • the surface layer C is mainly composed of 35% polystyrene, 30% epoxy resin, 10% heat stabilizer, 6% antistatic agent, 4% antioxidant, 11% pearl film diester and Made of a slip agent.
  • the thickness distribution of each of the layers A, B, and C the thickness of the surface layer A is 0.7 micrometers, the thickness of the core layer B is 7 micrometers, the thickness of the surface layer C is 1 micrometer, and the antioxidants are p-phenylenediamine and 2,6- Tert-butyl-4-methylphenol, the antistatic agent is an anionic antistatic agent, and the main components of the slip agent are ⁇ -amylase preparation, ⁇ -glucose, sodium alkylbenzene sulfonate and gum arabic .
  • the method for producing the BOPP pearl film comprises the following steps: (1) filtering the raw materials, and filtering the raw materials for preparing the surface layer A, the core layer B and the surface layer C by using a filter screen twice to remove the filtered impurities; (2) The mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 5 minutes. (3) Secondary filtration, the raw materials after the mixture is stirred. Filtered by secondary filtration, filtered and placed in an extruder; (4) melt-extruded, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C after secondary filtration are separately extruded.
  • the extruder Before the machine, the extruder is preheated in advance.
  • the temperature of the heating zone is 180 °C
  • the mixed raw materials are placed in the extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder.
  • the water on the raw material is sucked out through the two exhaust ports of the third and fifth heating zones, the air is discharged by a vacuum pump, the mixed raw material is melted, enters the filter through the metering pump, and then enters the die; (5) the cast piece,
  • the melt corresponding to the surface layer A, the core layer B and the surface layer C is divided into three layers in the die.
  • the temperature of the die is 260 ° C, and then cooled by cold water in the slab roll to form a slab, the surface temperature of the slab roll is 5 ° C; (6) longitudinal stretching, before longitudinal stretching The slab is preheated by the preheating roller and then enters the longitudinal stretching machine for 6 times longitudinal stretching to stretch it into a thin sheet; (7) transversely stretching, the sheet is longitudinally stretched and then enters the transverse stretching machine. Perform 3 times of horizontal stretching, then enter the setting area for secondary cooling, (8) pull the trimming edge, and then pull the trimming edge before performing the inspection. Check the sheet with the inspection device or the naked eye to see if there is any flaw.
  • the waste generated during the trimming process is sent to the pulverizer for smashing, (9) winding, after the trimming is completed, the winding device is used.
  • the winding is performed, (10) slitting, and then the film which has been wound up is unwound, and after the film is laid in the unwinding process, the slitting device is used according to a predetermined size. Cut, (11) acceptance, acceptance of the film after slitting, acceptance of qualified packaging, acceptance of unqualified return, (12) the acceptance of qualified products for packaging, and finally into the warehouse.
  • the BOPP pearlescent film of the present embodiment comprises three layers of A, B, and C which are sequentially stacked, wherein the A and C layers are surface layers, and B is a core layer; and the surface layer A is mainly composed of 90% chlorinated by weight.
  • the core layer B is mainly composed of 50% polypropylene, 32% pearl powder, 4% antistatic agent and balance Made of an antioxidant
  • the surface layer C is mainly composed of 32% polystyrene, 35% epoxy resin, 11% heat stabilizer, 5% antistatic agent, 3% antioxidant, 10% pearl film diester and Made of a slip agent.
  • each layer of A, B, and C surface layer A has a thickness of 2.4 micrometers, core layer B has a thickness of 5 micrometers, surface layer C has a thickness of 2 micrometers, and the antioxidant is triterpene ester, and the antistatic agent It is an anionic antistatic agent, and the main components of the slip agent are an ⁇ -amylase preparation and gum arabic.
  • the method for producing the BOPP pearl film comprises the following steps: (1) filtering the raw materials, and filtering the raw materials for preparing the surface layer A, the core layer B and the surface layer C by using a filter screen twice to remove the filtered impurities; (2) The mixture is stirred, and the raw materials for forming the surface layer A, the core layer B and the surface layer C are respectively placed in a mixer for mixing and stirring, and the stirring time is 5 minutes. (3) Secondary filtration, the raw materials after the mixture is stirred. Filtered by secondary filtration, filtered and placed in an extruder; (4) melt-extruded, and the mixed raw materials corresponding to the surface layer A, the core layer B and the surface layer C after secondary filtration are separately extruded.
  • the extruder Before the machine, the extruder is preheated in advance.
  • the temperature of the heating zone is 180 °C
  • the mixed raw materials are placed in the extruder.
  • the raw materials are plasticized and kneaded under the action of the extruder.
  • the water on the raw material is sucked out through the two exhaust ports of the third and fifth heating zones, the air is discharged by a vacuum pump, the mixed raw material is melted, enters the filter through the metering pump, and then enters the die; (5) the cast piece,
  • the melt corresponding to the surface layer A, the core layer B and the surface layer C is divided into three layers in the die.
  • the temperature of the die is 260 ° C, and then cooled by cold water in the slab roll to form a slab, the surface temperature of the slab roll is 5 ° C; (6) longitudinal stretching, before longitudinal stretching The slab is preheated by the preheating roller and then enters the longitudinal stretching machine for 6 times longitudinal stretching to stretch it into a thin sheet; (7) transversely stretching, the sheet is longitudinally stretched and then enters the transverse stretching machine. Perform 3 times of horizontal stretching, then enter the setting area for secondary cooling, (8) pull the trimming edge, and then pull the trimming edge before performing the inspection. Check the sheet with the inspection device or the naked eye to see if there is any flaw.
  • the waste generated during the trimming process is sent to the pulverizer for smashing, (9) winding, after the trimming is completed, the winding device is used.
  • the winding is carried out, (10) slitting, and then the film which has been wound up is unwound, and after the film is laid in the unwinding process, the slitting device is used for slitting according to a predetermined size, (11) acceptance, halving After the cut film is accepted, the qualified packaging is accepted, and the acceptance is not Grid return, (12) the acceptance of the product packaging, final storage.
  • the BOPP pearlescent film of the invention has the advantages of simple structure, convenient operation, low manufacturing cost, low defect rate generated in the manufacturing process, beautiful appearance and good performance.

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Abstract

L'invention concerne un film nacré BOPP et un procédé de fabrication correspondant. Le film nacré BOPP comprend trois couches, à savoir, des couches A, B et C. Les couches A et C sont des couches de surface, et la couche B est une couche centrale ; la couche de surface A est constituée de 85 à 90 % de polyéthylène chloré, de 5 % de polyéthylène, de 3 % de polypropylène et de 1 à 4 % d'un antioxydant, le reste étant de la poudre de nacre ; la couche centrale B est constituée de 50 % de polypropylène, de 30 % de poudre de nacre et de 2 à 5 % d'un agent antistatique, le reste étant un antioxydant ; la couche de surface C est constituée de 30 à 56 % de polystyrène, de 20 à 35 % d'une résine époxy, de 10 à 20 % d'un stabilisant thermique, de 5 à 15 % d'un agent antistatique, de 3 à 5 % d'un antioxydant et de 10 à 15 % d'un distéarate d'éthylène glycol, le reste étant un agent de glissement. Le film perlé présente une structure simple, est pratique à utiliser et présente de faibles coûts de fabrication ; la perte de rendement pendant le processus de fabrication est faible ; le produit présente un bel aspect et une efficacité satisfaisante.
PCT/CN2017/104039 2017-03-31 2017-09-28 Film nacré bopp et procédé de fabrication correspondant Ceased WO2018176770A1 (fr)

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CN201710207331 2017-03-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116811184A (zh) * 2023-07-24 2023-09-29 厦门聚富新材科技有限公司 一种薄膜的生产工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310356A1 (fr) * 2001-11-07 2003-05-14 Nan Ya Plastics Corp. Procédé de fabrication pour améliorer le rendement et la production d'un papier synthétique en polypropylène biaxialement étiré à lustre nacré
CN201712234U (zh) * 2010-06-29 2011-01-19 天津市天塑科技集团有限公司包装材料分公司 多层共挤可热封型珠光膜
CN104004301A (zh) * 2014-06-13 2014-08-27 滁州市宏源喷涂有限公司 一种变色珠光色母料
CN205112575U (zh) * 2015-10-31 2016-03-30 宿迁市金田塑业有限公司 一种双向拉伸聚丙烯珠光薄膜

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW445332B (en) * 1999-07-01 2001-07-11 Nanya Plastics Corp Improved manufacturing method for obtaining biaxially oriented polypropylene pearlized synthetic paper with thickness of 25 to 250 mu by single threaded rod extruder
CN1133535C (zh) * 1999-07-28 2004-01-07 南亚塑胶工业股份有限公司 聚丙烯珠光合成纸的改良制法
US6379605B1 (en) * 1999-10-22 2002-04-30 Nan Ya Plastics Corporation Process for producing a 3-layer co-extruded biaxial-oriented polypropylene synthetic paper and transparent film for in-mold label
EP1310357A1 (fr) * 2001-11-07 2003-05-14 Nan Ya Plastics Corp. Etiquette en papier synthétique à lustre nacré, en trois couches, extrudée et étirée biaxialement pour le moulage intégral avec une bouteille
JP4259980B2 (ja) * 2003-10-27 2009-04-30 南亜塑膠工業股▲ふん▼有限公司 五層共押出二軸延伸ポリプロピレンパール光沢合成紙及びその製造法
CN101015974A (zh) * 2007-02-13 2007-08-15 泉州利昌塑胶有限公司 双向拉伸聚丙烯合成纸及其制备方法
CN102922847A (zh) * 2012-10-10 2013-02-13 宿迁市金田塑业有限公司 一种彩色bopp薄膜及其生产工艺
CN105365315A (zh) * 2015-11-11 2016-03-02 宿迁市金田塑业有限公司 一种双面转移消光膜及其生产工艺
CN105315555A (zh) * 2015-11-11 2016-02-10 宿迁市金田塑业有限公司 一种高透抗静电bopp薄膜及其生产工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310356A1 (fr) * 2001-11-07 2003-05-14 Nan Ya Plastics Corp. Procédé de fabrication pour améliorer le rendement et la production d'un papier synthétique en polypropylène biaxialement étiré à lustre nacré
CN201712234U (zh) * 2010-06-29 2011-01-19 天津市天塑科技集团有限公司包装材料分公司 多层共挤可热封型珠光膜
CN104004301A (zh) * 2014-06-13 2014-08-27 滁州市宏源喷涂有限公司 一种变色珠光色母料
CN205112575U (zh) * 2015-10-31 2016-03-30 宿迁市金田塑业有限公司 一种双向拉伸聚丙烯珠光薄膜

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110302712A (zh) * 2019-07-18 2019-10-08 南京汇科高分子材料有限公司 一种玻璃包边材料生产用预处理釜
US20210101372A1 (en) * 2019-10-07 2021-04-08 Mucell Extrusion, Llc Lightweight multilayer foam film with enhanced perceived surface whiteness
US12397533B2 (en) * 2019-10-07 2025-08-26 Mucell Extrusion, Llc Lightweight multilayer foam film with enhanced perceived surface whiteness
CN110588117A (zh) * 2019-10-19 2019-12-20 杭州和顺科技股份有限公司 一种复合型窗膜及其制备方法
CN110588117B (zh) * 2019-10-19 2024-05-03 杭州和顺科技股份有限公司 一种复合型窗膜及其制备方法
CN113150332A (zh) * 2021-01-23 2021-07-23 南昌诚鑫包装有限公司 一种幻彩珠光聚乙烯膜的制造方法
CN113150332B (zh) * 2021-01-23 2024-01-09 南昌诚鑫包装有限公司 一种幻彩珠光聚乙烯膜的制造方法
CN117087272A (zh) * 2022-05-11 2023-11-21 宁波瑞成包装材料有限公司 软包装印刷复合用消光bopa薄膜的生产方法
CN116533615A (zh) * 2023-04-20 2023-08-04 湖北富思特材料科技集团有限公司 一种bopp涂布光感变色膜及其制备方法与应用
CN118578701A (zh) * 2024-08-07 2024-09-03 国网智能电网研究院有限公司 高等规窄分子量分布聚丙烯树脂双向拉伸薄膜的制备方法
CN119858371A (zh) * 2025-03-21 2025-04-22 福建长塑实业有限公司 一种pa-evoh多层共挤薄膜及其制备方法及复合膜

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