CN109109405A - A kind of environment-friendly type meets the nylon vacuum bag and production technology of material - Google Patents
A kind of environment-friendly type meets the nylon vacuum bag and production technology of material Download PDFInfo
- Publication number
- CN109109405A CN109109405A CN201811018449.5A CN201811018449A CN109109405A CN 109109405 A CN109109405 A CN 109109405A CN 201811018449 A CN201811018449 A CN 201811018449A CN 109109405 A CN109109405 A CN 109109405A
- Authority
- CN
- China
- Prior art keywords
- nylon
- vacuum bag
- aluminium foil
- environment
- friendly type
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 42
- 239000004677 Nylon Substances 0.000 title claims abstract description 40
- 229920001778 nylon Polymers 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims abstract description 28
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims abstract description 18
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- 229920006284 nylon film Polymers 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000001361 adipic acid Substances 0.000 claims abstract description 8
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 239000003610 charcoal Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 7
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 7
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 7
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000839 emulsion Substances 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 238000006068 polycondensation reaction Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000004945 emulsification Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910003978 SiClx Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/088—Layered products comprising a layer of metal comprising metal 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 comprising polyamides
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses nylon vacuum bags and production technology that a kind of environment-friendly type meets material, and the nylon vacuum bag which meets material includes inner layer film and outer membrane: outer membrane is to be prepared from the following raw materials: adipic acid, hexamethylene diamine, regulator.Inner layer film is made of following material: aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano-ceramic powder, glycerin monostearate, silicone emulsion, nanometer rubber powder, paraffin oil.A kind of environment-friendly type provided by the invention meets the nylon vacuum bag and production technology of material, by the way that nylon film is compound with aluminium foil, can effectively increase the stretch-proof and wear-resisting performance of vacuum bag.
Description
Technical field
The present invention relates to nylon vacuum bag and productions that vacuum bag technique field more particularly to a kind of environment-friendly type meet material
Technique.
Background technique
Vacuum bag, also known as personal moisture barrier bag, aluminium foil bag, Aluminum-plastic composite bag, material are generally PET/AL/CPE or PET/
NY/AL/CPE.Wherein PET-- printing effect is good, and NY-- oxygen permeability is low, and AL-- barrier property is strong, opaque, and CPE-- packs internal layer.
Glue: water soluble glue (relatively sanitary, environmentally friendly, no solvent residue amount) this product have good antistatic, it is oxygen barrier, shielding,
Moisture-proof, shade function and excellent heat sealability.
Currently, existing vacuum bag is mostly that die is combined with aluminium foil, during use, vacuum bag be easy because
Tensile force is larger and generates deformation.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of environment-friendly type proposed meets material
Nylon vacuum bag and production technology.
To achieve the goals above, present invention employs following technical solutions:
A kind of environment-friendly type meets the nylon vacuum bag of material, and the nylon vacuum bag which meets material includes inner layer film
And outer membrane:
Outer membrane is to be prepared from the following raw materials: adipic acid, hexamethylene diamine, regulator.
Inner layer film is made of following material: aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano ceramics
Powder, glycerin monostearate, silicone emulsion, nanometer rubber powder, paraffin oil.
Preferably, the environment-friendly type meet the nylon vacuum bag of material production technology it is as follows:
S1, the adipic acid for taking equimolar ratio and hexamethylene diamine are added reaction kettle and carry out polycondensation reaction, obtain nylon salt.
S2, take nylon salt obtained in S1 make 63% nylon saline solution, then by nylon saline solution and tune
Static mixer mixing is added in section agent together, is transported to evaporation reactor, pressure maintaining 3 is small at 230 DEG C of temperature, pressure 1.8MPa
When.
S3, the material after the completion of pressure maintaining in S2 is sent to tubular reactor, in 285 DEG C of temperature, pressure 0.28MPa pressure maintaining 3
Hour.
S4, the material after the completion of pressure maintaining in S3 is sent to post-reactor, carries out finishing reaction, polymer is made and extrudes casting
Band, is dried to obtain nylon resin at pelletizing.
S5, inflation film manufacturing machine is added in nylon resin obtained in S4, nylon film is made in inflation film manufacturing machine blowfilm shaping.
S6, aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano-ceramic powder, glycerin monostearate, cream are taken
SiClx oil, nanometer rubber powder, paraffin oil raw material are added smelting furnace and carry out melting.
S7, the raw material after melting in S6 is subjected to casting, obtains 0.2-0.3 millimeters of aluminium foil embryo material, and in temperature
It is once annealed at 200-230 DEG C.
S8, the aluminium foil embryo material after once annealing in S7 is subjected to cold rolling, obtains 0.12-0.14 millimeters of aluminium foil embryo material.
S9, the aluminium foil embryo material in S8 is subjected to finish rolling, obtains 0.08-0.1 millimeters of aluminium foil.
S10, double annealing is carried out at 50-70 DEG C of temperature to the aluminium foil in S9.
S11, the aluminium foil in the nylon film and S11 in S5 be bonded it is compound.
S12, will be compound in S11 after nylon film and aluminium foil carry out bag making, nylon vacuum bag can be obtained.
Preferably, the regulator is the mixture of acetic acid and hexamethylene diamine.
A kind of environment-friendly type provided by the invention meets the nylon vacuum bag and production technology of material, by by nylon film with
Aluminium foil is compound, can effectively increase the stretch-proof and wear-resisting performance of vacuum bag.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of environment-friendly type meets the nylon vacuum bag of material, and the nylon vacuum bag which meets material includes inner layer film
And outer membrane:
Outer membrane is to be prepared from the following raw materials: adipic acid, hexamethylene diamine, regulator.
Inner layer film is made of following material: aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano ceramics
Powder, glycerin monostearate, silicone emulsion, nanometer rubber powder, paraffin oil.
The production technology that the environment-friendly type meets the nylon vacuum bag of material is as follows:
S1, the adipic acid for taking equimolar ratio and hexamethylene diamine are added reaction kettle and carry out polycondensation reaction, obtain nylon salt.
S2, take nylon salt obtained in S1 make 63% nylon saline solution, then by nylon saline solution and tune
It saves agent (acetic acid and adipic acid) and static mixer mixing is added together, evaporation reactor is transported to, in 230 DEG C of temperature, pressure
Pressure maintaining 3 hours under 1.8MPa.
S3, the material after the completion of pressure maintaining in S2 is sent to tubular reactor, in 285 DEG C of temperature, pressure 0.28MPa pressure maintaining 3
Hour.
S4, the material after the completion of pressure maintaining in S3 is sent to post-reactor, carries out finishing reaction, polymer is made and extrudes casting
Band, is dried to obtain nylon resin at pelletizing.
S5, inflation film manufacturing machine is added in nylon resin obtained in S4, nylon film is made in inflation film manufacturing machine blowfilm shaping.
S6, aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano-ceramic powder, glycerin monostearate, cream are taken
SiClx oil, nanometer rubber powder, paraffin oil raw material are added smelting furnace and carry out melting.
S7, the raw material after melting in S6 is subjected to casting, obtains 0.2-0.3 millimeters of aluminium foil embryo material, and in temperature
It is once annealed at 200-230 DEG C.
S8, the aluminium foil embryo material after once annealing in S7 is subjected to cold rolling, obtains 0.12-0.14 millimeters of aluminium foil embryo material.
S9, the aluminium foil embryo material in S8 is subjected to finish rolling, obtains 0.08-0.1 millimeters of aluminium foil.
S10, double annealing is carried out at 50-70 DEG C of temperature to the aluminium foil in S9.
S11, the aluminium foil in the nylon film and S11 in S5 be bonded it is compound.
S12, will be compound in S11 after nylon film and aluminium foil carry out bag making, nylon vacuum bag can be obtained.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. the nylon vacuum bag that a kind of environment-friendly type meets material, which is characterized in that the environment-friendly type meets the nylon vacuum bag of material
Including inner layer film and outer membrane:
Outer membrane is to be prepared from the following raw materials: adipic acid, hexamethylene diamine, regulator.
Inner layer film is made of following material: aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano-ceramic powder, list
Tristerin, silicone emulsion, nanometer rubber powder, paraffin oil.
2. meeting the nylon vacuum bag of material according to a kind of environment-friendly type of the claim 1, which is characterized in that environment-friendly type symbol
The production technology of the nylon vacuum bag of condensation material is as follows:
S1, the adipic acid for taking equimolar ratio and hexamethylene diamine are added reaction kettle and carry out polycondensation reaction, obtain nylon salt.
S2, take nylon salt obtained in S1 make 63% nylon saline solution, then by nylon saline solution and regulator
Static mixer mixing is added together, is transported to evaporation reactor, the pressure maintaining 3 hours at 230 DEG C of temperature, pressure 1.8MPa.
S3, the material after the completion of pressure maintaining in S2 is sent to tubular reactor, in 285 DEG C of temperature, pressure 0.28MPa pressure maintaining 3 hours.
S4, the material after the completion of pressure maintaining in S3 is sent to post-reactor, carries out finishing reaction, be made polymer extrude Cast Strip,
Pelletizing is dried to obtain nylon resin.
S5, inflation film manufacturing machine is added in nylon resin obtained in S4, nylon film is made in inflation film manufacturing machine blowfilm shaping.
S6, aluminium ingot, polyvinyl resin, bamboo charcoal particle, Sodium Polyacrylate, nano-ceramic powder, glycerin monostearate, emulsification silicon are taken
Oil, nanometer rubber powder, paraffin oil raw material are added smelting furnace and carry out melting.
S7, the raw material after melting in S6 is subjected to casting, obtains 0.2-0.3 millimeters of aluminium foil embryo material, and in temperature 200-230
It is once annealed at DEG C.
S8, the aluminium foil embryo material after once annealing in S7 is subjected to cold rolling, obtains 0.12-0.14 millimeters of aluminium foil embryo material.
S9, the aluminium foil embryo material in S8 is subjected to finish rolling, obtains 0.08-0.1 millimeters of aluminium foil.
S10, double annealing is carried out at 50-70 DEG C of temperature to the aluminium foil in S9.
S11, the aluminium foil in the nylon film and S11 in S5 be bonded it is compound.
S12, will be compound in S11 after nylon film and aluminium foil carry out bag making, nylon vacuum bag can be obtained.
3. the nylon vacuum bag that a kind of environment-friendly type according to claim 1 meets material, which is characterized in that the regulator
For the mixture of acetic acid and hexamethylene diamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018449.5A CN109109405A (en) | 2018-09-03 | 2018-09-03 | A kind of environment-friendly type meets the nylon vacuum bag and production technology of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018449.5A CN109109405A (en) | 2018-09-03 | 2018-09-03 | A kind of environment-friendly type meets the nylon vacuum bag and production technology of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109109405A true CN109109405A (en) | 2019-01-01 |
Family
ID=64860464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811018449.5A Pending CN109109405A (en) | 2018-09-03 | 2018-09-03 | A kind of environment-friendly type meets the nylon vacuum bag and production technology of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109109405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271224A (en) * | 2019-06-13 | 2019-09-24 | 余姚市华寅包装材料有限公司 | A kind of preparation method for the fresh-keeping compressed bag of food vacuum |
| CN111590989A (en) * | 2020-05-07 | 2020-08-28 | 合肥佛斯德新材料科技有限公司 | NY/PE transparent vacuum compression bag for packaging low-temperature refrigerated food |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135654A (en) * | 1979-04-10 | 1980-10-22 | Toppan Printing Co Ltd | Packing material with chemical resisting property |
| GB2051672A (en) * | 1979-06-26 | 1981-01-21 | Transparent Paper Ltd | Transparent film complex |
| CN1198449A (en) * | 1997-04-30 | 1998-11-11 | 三井化学株式会社 | Sealant resin composition for use in biocidal films and sealant films |
| CN204998067U (en) * | 2015-09-09 | 2016-01-27 | 上海贝达包装材料有限公司 | High resistant separates dampproofing vacuum bag |
-
2018
- 2018-09-03 CN CN201811018449.5A patent/CN109109405A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135654A (en) * | 1979-04-10 | 1980-10-22 | Toppan Printing Co Ltd | Packing material with chemical resisting property |
| GB2051672A (en) * | 1979-06-26 | 1981-01-21 | Transparent Paper Ltd | Transparent film complex |
| CN1198449A (en) * | 1997-04-30 | 1998-11-11 | 三井化学株式会社 | Sealant resin composition for use in biocidal films and sealant films |
| CN204998067U (en) * | 2015-09-09 | 2016-01-27 | 上海贝达包装材料有限公司 | High resistant separates dampproofing vacuum bag |
Non-Patent Citations (2)
| Title |
|---|
| 沈新元: "《化学纤维手册》", 30 September 2008, 中国纺织出版社 * |
| 高彩茹: "《材料成型机械设备》", 30 June 2014, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271224A (en) * | 2019-06-13 | 2019-09-24 | 余姚市华寅包装材料有限公司 | A kind of preparation method for the fresh-keeping compressed bag of food vacuum |
| CN111590989A (en) * | 2020-05-07 | 2020-08-28 | 合肥佛斯德新材料科技有限公司 | NY/PE transparent vacuum compression bag for packaging low-temperature refrigerated food |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190101 |