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CN109370006A - A kind of high apparent mass blow molding fretting map car duct material and preparation method thereof - Google Patents

A kind of high apparent mass blow molding fretting map car duct material and preparation method thereof Download PDF

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Publication number
CN109370006A
CN109370006A CN201811165831.9A CN201811165831A CN109370006A CN 109370006 A CN109370006 A CN 109370006A CN 201811165831 A CN201811165831 A CN 201811165831A CN 109370006 A CN109370006 A CN 109370006A
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China
Prior art keywords
parts
acid
agent
fretting map
apparent mass
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CN201811165831.9A
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Chinese (zh)
Inventor
王滨
刘曙阳
蒋顶军
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NANJING JULONG TECHNOLOGY Co Ltd
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NANJING JULONG TECHNOLOGY Co Ltd
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Priority to CN201811165831.9A priority Critical patent/CN109370006A/en
Publication of CN109370006A publication Critical patent/CN109370006A/en
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    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/107—Nitroso 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—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
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
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    • 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
    • C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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    • 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
    • C08J2423/26—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
    • C08J2423/28—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
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    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds

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  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of high apparent mass blow molding fretting map car duct materials and preparation method thereof.Material of the invention includes the component of following parts by weight: 60-85 parts of polyethylene, 1-10 parts of filler, 1-10 parts of hyper-dispersant, 5-20 parts of toughener, 1-10 parts of foaming agent, 5-15 parts of blowing promotor, 1-5 parts of nucleating agent, 0.5-2 parts of other auxiliary agents.And disclose preparation method.Material of the present invention has molding abscess aperture small, and cell density is high, and blow molding air duct inside and outside wall has the characteristics that high apparent mass, reduces product windage；The features such as product also has light-weight, good stability of the dimension, short molding cycle, and product qualified rate is high；Meanwhile meeting automobile main frame maker about smell and VOC performance requirement.

Description

A kind of high apparent mass blow molding fretting map car duct material and preparation method thereof
Technical field
The present invention relates to a kind of car duct material and preparation method thereof, especially a kind of high apparent mass is blow molded fretting map Car duct material and preparation method thereof, belongs to field of material technology.
Background technique
Car duct material is located at the junction of air conditioning for automobiles and cockpit, and carry has the hot and cold air that air-conditioning generates Effect is transmitted to cockpit, generates refrigeration or heating effect, guarantees the effect of the comfort of cockpit under high and low temperature environment. Therefore there is strict demand to gas-flow resistance to its leakproofness and its tube wall.
Fretting map blow molding technique not only can significantly mitigate existing product weight in the application of air duct, Energy conservation and environmental protection also has many advantages, such as excellent resiliency, sound insulation value.Components lightweight problem is being solved, is being also solved existing There is the problems such as air-conditioning duct heat preservation is uneven, may be omitted with the use of product surface bonding agent, reduces poisonous and harmful substance and dissipate Hair.Therefore, for the great market of 28,000,000 automobiles of Chinese production every year, application market has a extensive future.
However, fretting map air duct is in practical application, still encounter many challenges, wherein product apparent mass is poor, foaming bubble Hole collapses, recessed contracting, pit are serious, causes product surface, especially inner surface uneven, it is close that this aspect directly affects air duct Feng Xing and installation reliability can also generate windage, directly affect air-conditioning efficiency, even result in product and are unable to satisfy It is required that；On the other hand, it is easy to produce dust extruding, bacteria breed at hollow, at fold, influences passenger's health of human body and even pacifies Entirely.Products application promote before, such issues that be badly in need of solve.
Summary of the invention
In order to solve the above problem, the present invention provides high apparent mass blow molding fretting map car duct material and its preparation side Method, for material under the premise of guaranteeing product weight lighting, it is good to realize melt forming tensile property, foam bubble aperture is small, Abscess without collapse, the retention time is long, product inside and outside wall is smooth, rigidity is high, good stability of the dimension the advantages that, well solve puzzlement Inside and outside apparent mass difference problem in products application.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of high apparent mass blow molding fretting map car duct material, material includes the component of following parts by weight:
60-85 parts of polyethylene
1-10 parts of filler
1-10 parts of hyper-dispersant
5-20 parts of toughener
1-10 parts of foaming agent
5-15 parts of blowing promotor
1-5 parts of nucleating agent
0.5-2 parts of other auxiliary agents
Further scheme, the polyethylene are high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, metallocene One of polyethylene or two kinds of mixtures, preferably high density polyethylene (HDPE).
Further scheme, the filler are one of calcium carbonate, talcum powder, glass fibre, preferably talc powder.
Further scheme, the hyper-dispersant are maleic anhydride grafted ethene-alpha olefin copolymer, haloflex, Malaysia Anhydride-acrylic acid copolymer, glycidyl methacrylate graft polyethylene, one in ethylene-methacrylic acid copolymer Kind, preferably haloflex.
Further scheme, the toughener are ethylene-alpha-olefin copolymer, ethylene-vinyl acetate copolymer, EP rubbers One of, optimal ethylene-alpha olefin copolymer, such as POE etc..
Further scheme, the foaming agent is the combination of one or both of organic and inorganic type foaming agent, wherein organic hair Infusion is sulfohydrazide type blowing agent, in nitroso group foaming agent, azo foaming agent, Semicarbazido compound, triazole class compounds One kind, inorganic type foaming agent be azido compound, sodium borohydride, carbonate, bicarbonate, nitric acid or nitrites in One kind.It is preferred that sulfohydrazide type blowing agent and bicarbonate salts blowing agent combination.
Further scheme, the blowing promotor are organic acid and its esters, such as stearic acid and its metallic salt, citric acid And its esters, acetic acid and its esters, boric acid and its esters, sulfonic acid or sulfinic acid and its esters, adipic acid and its esters, tartaric acid And its esters, oxalic acid and its esters etc., preferably stearic acid and its metallic salt, such as stearic acid, zinc stearate etc.；
Further scheme, the nucleating agent are organic electrodeless Compositional type nucleating agent, and wherein organic nucleating agent is dibenzal sorbitol And its one of derivative, benzoate and its derivative, organic phosphate and its derivative, preferably dibenzal sorbitol and Its derivative, inorganic nucleator be nano zine oxide, nano-titanium dioxide, nano silica, nano layered silicate (such as Organic modification montmonrillonite etc.), carbon nanotubes, one of graphene, preferably nano-titanium oxide；
Further scheme, the auxiliary agent be dispersing agent and antioxidant, wherein the dispersing agent be ethylene bis stearamide (EBS), One of polyethylene wax, tristerin, preferably polyethylene wax.The antioxidant is 1010,1098,168, H10, H318 One of, preferably 1010.
Further scheme, the preparation method of the high apparent mass blow molding fretting map car duct material, including following step It is rapid:
Step 1: by 60-85 parts of polyethylene, 1-10 parts of filler, 1-10 parts of hyper-dispersant, 5-20 parts of toughener, blowing promotor 5-15 parts, 1-5 parts of nucleating agent, 0.5-2 parts of other auxiliary agents mix 2-4min in mixing machine, are added to twin-screw by hopper and squeeze It out in machine, is granulated at a temperature of 150-220 DEG C, screw speed 300-600r/min obtains blow-molding polyethylene composite material；
Step 2: foaming agent is sufficiently mixed in high mixer in advance according to parts by weight, is then added by side spout In single screw rod blow moulding machine；Meanwhile the composite polyethylene material that step 1 obtains is added to single screw rod blow moulding machine barrel；In 150- It at a temperature of 220 DEG C, is blow molded, obtains the fretting map car duct material with inside and outside wall great surface quality.Wherein, blow moulding machine Screw rod is one of divergence type, barrier type, bypass type screw rod, preferable separate type screw rod.
Beneficial effect
Compared with prior art, the present invention has the advantage that
1, present invention obtains great surface qualities to be blow molded fretting map car duct material, and micropore average pore size is less than 150um, this Be conducive to improve air retention, further mitigate product weight；Moreover, abscess without collapse, the retention time it is long；Product inside and outside wall Smooth, good stability of the dimension, it is good to solve the problems, such as puzzlement blow molding fretting map car duct material product apparent mass, it reduces Fretting map air duct inner wall windage, smooth air duct inner wall effectively improve dust, bacterium attachment, solve fretting map air duct and answer With health and safety hidden danger in the process；In addition, it also has preferable rigidity, excellent resiliency, heat-insulated, sound insulation value etc. Advantage improves ride comfort.In addition, eliminating the use of bonding agent, therefore, greatly due to eliminating outer bonding EVA foam Width reduces the smell and VOC harmful substance burst size of air duct assembly, meets main engine plants to the sporadic standard of air duct It is required that；General assembly qualification rate is improved simultaneously；Product also has good long term heat ageing performance, meets main engine plants' height The components requirement of experiment such as warm circulation, condensation test, low temperature ball falling impact.
2, by the present invention in that effectively improving the sag resistant ability and bubble in foaming process of polyethylene with toughener Hole production stability improves the uniformity of foam structure；The use of blowing promotor can effectively improve foaming agent point in the present invention It solves efficiency and reduces foaming agent residual, improve solubility of the gas in polyethylene, improve guarantor of the gas in blow-molding process Rate is stayed, guarantees that product weight mitigates；In particular by the compounding of organic-inorganic nucleating agent, system have stronger better bubble at Nuclear activity, it is significant to miniaturize abscess effect, Effective Regulation cell nucleation and the speed of growth, increase cell density, stable bubble hole knot Structure improves abscess and collapses, improves product flatness, is conducive to improve air duct products appearance quality, and using foaming agent environmental protection, nontoxic Side effect.
3, by using hyper-dispersant and dispersing agent coordinative role, it is effectively improved interface cohesion between each component, is especially sent out The dispersion in base polyethylene such as infusion, blowing promotor, nucleating agent guarantees that foaming agent decomposes the gas generated and effectively disperses, Will not local excessive accumulation, nucleating agent refine aperturing, Effective Regulation foaming process nucleation and the speed of growth, stable bubble hole knot Structure help to obtain the product that average pore size is small, foam structure is excellent, and then is advantageously implemented the flat of excellent product inside and outside wall Slip.
4, in the preparation method of material of the present invention, foaming agent is introduced by side feed material, this is conducive to that foaming agent is avoided to exist Decomposition in advance in screw rod, the waste of gas improve foaming agent efficiency.
5, the present invention provides the preparation method of the material, and technique is controllable, and production cost is low, high-efficient, be easily achieved industry Change.
Detailed description of the invention
Fig. 1 is the schematic diagram of car duct material inner surface prepared by comparative example 1；
Fig. 2 is the schematic diagram of car duct outer surface prepared by comparative example 1；
Fig. 3 is the schematic diagram of car duct outer surface prepared by the present invention；
Fig. 4 is the schematic diagram of car duct material inner surface prepared by the present invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment.
Embodiment
A kind of preparation method of high apparent mass blow molding fretting map car duct material, comprising the following steps:
Step 1: by 60-85 parts of polyethylene, 1-10 parts of filler, 1-10 parts of hyper-dispersant, 5-20 parts of toughener, blowing promotor 5-15 parts, 1-5 parts of nucleating agent, 0.5-2 parts of other auxiliary agents mix 2-4min in mixing machine, are added to twin-screw by hopper and squeeze It out in machine, is granulated at a temperature of 150-220 DEG C, screw speed 300-600r/min obtains blow-molding polyethylene composite material；
Step 2: foaming agent is sufficiently mixed in high mixer in advance according to parts by weight, is then added by side spout In single screw rod blow moulding machine；Meanwhile the composite polyethylene material that step 1 obtains is added to single screw rod blow moulding machine barrel；In 150- It at a temperature of 220 DEG C, is blow molded, obtains the fretting map car duct material with inside and outside wall great surface quality.
The polyethylene is high density polyethylene (HDPE), in low density polyethylene (LDPE), linear low density polyethylene, metallocene PE One or two kinds of mixture, preferred high density polyethylene (HDPE).
The filler is one of calcium carbonate, talcum powder, glass fibre, preferably talc powder.
The hyper-dispersant is maleic anhydride grafted ethene-alpha olefin copolymer, haloflex, maleic acid anhydride-propenoic acid One of copolymer, glycidyl methacrylate graft polyethylene, ethylene-methacrylic acid copolymer, preferably chlorination Polyethylene.
The toughener be one of ethylene-alpha-olefin copolymer, ethylene-vinyl acetate copolymer, EP rubbers, it is excellent Select ethylene-alpha-olefin copolymer, such as POE etc..
The foaming agent is the combination of one or both of organic and inorganic type foaming agent, and wherein organic foaming agent is sulphonyl One of hydrazine foaming agent, nitroso group foaming agent, azo foaming agent, Semicarbazido compound, triazole class compounds, it is inorganic Type foaming agent is one of azido compound, sodium borohydride, carbonate, bicarbonate, nitric acid or nitrites.It is preferred that Sulfohydrazide type blowing agent and bicarbonate salts blowing agent combination.
The blowing promotor is organic acid and its esters, such as stearic acid and its metallic salt, citric acid and its esters, vinegar Acid and its esters, boric acid and its esters, sulfonic acid or sulfinic acid and its esters, adipic acid and its esters, tartaric acid and its esters, grass Acid and its esters etc., preferably stearic acid and its metallic salt, such as stearic acid, zinc stearate etc.；
The nucleating agent is organic electrodeless Compositional type nucleating agent, wherein organic nucleating agent be dibenzal sorbitol and its derivative, One of benzoate and its derivative, organic phosphate and its derivative, preferably dibenzal sorbitol and its derivative, nothing Machine nucleating agent is nano zine oxide, nano-titanium dioxide, nano silica, nano layered silicate (such as organically-modified illiteracy De- soil etc.), carbon nanotubes, one of graphene, preferably nano-titanium oxide；
The auxiliary agent is dispersing agent and antioxidant, wherein the dispersing agent is ethylene bis stearamide (EBS), polyethylene wax, hard One of glycerol, preferably polyethylene wax.The antioxidant is 1010,1098,168, one of H10, H318, excellent Select 1010.
According to above-mentioned preparation method, comparative example 1, embodiment 1, embodiment 2, embodiment 3, embodiment 4, specific formula is as follows Shown in table:
Component Comparative example 1 Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
High density polyethylene (HDPE) 100 60 65
Low density polyethylene (LDPE) 85
Linear low density polyethylene 70
Talcum powder 1 8
Calcium carbonate 3 10
Ethylene-methacrylic acid copolymer 1
Haloflex 2 5
Copolymer of maleic anhydride and acrylic acid 10
EP rubbers 20
Ethylene-alpha-olefin copolymer 5 15
Ethylene-vinyl acetate copolymer 10
Aoxidize benzene sulfonyl hydrazide 0.4 1
Dinitroso pentamethylene tetramine 5
Azodiisobutyronitrile 2
Sodium bicarbonate 2 0.6 2
Ammonium nilrite 5
Sodium carbonate 4
Boratex 10
Adipic acid 5
Stearic acid 7
Sodium tartrate 15
Dibenzal sorbitol 0.4 1
Sodium benzoate 2 1
Nano zine oxide 3
Nano-titanium oxide 0.6 2
Carbon nanotubes 1
Antioxidant 1010 0.3 0.3 0.4 0.5 1.2
Polyethylene wax 0.2 0.2 0.6 0.5 0.8
To in upper table comparative example and embodiment detect, results of property is as shown in the table:
Detection project Standard Comparative example 1 Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Sag resistant performance/cm JL method 50 32 26 21 20
Abscess average diameter/micron JL method > 250 120 102 78 56
Density/g/cm3 ISO 1183 0.86 0.60 0.51 0.46 0.40
Izod notched impact strength/kJ/m2(23 DEG C) ISO 179 NB NB NB NB NB
As can be seen from the above results, compared with comparative example 1, the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment 4 are produced Product density is lower, and weight loss effect is more preferable, this has benefited from its smaller abscess aperture.Meanwhile comparison diagram 1 and Fig. 2, it can be seen that The embodiment of the present invention foams air duct surfaces externally and internally, bubble-free, without gas trace, recess the defects of, apparent mass is substantially better than pair Ratio 1, while can satisfy the requirement of main engine plants, it solves inside and outside visual defects problem existing for blow molding foaming air duct, helps It is applied in expanding its.In addition, the uniform abscess of structure of the invention, makes it have excellent resiliency, automobile traveling is also reduced The noise that air duct vibration generates in the process, improves ride comfort.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any Those skilled in the art's equivalent change or modification made by Spirit Essence according to the present invention, should all cover of the invention Within protection scope.

Claims (11)

1. a kind of high apparent mass is blow molded fretting map car duct material, which is characterized in that the component including following parts by weight:
60-85 parts of polyethylene
1-10 parts of filler
1-10 parts of hyper-dispersant
5-20 parts of toughener
1-10 parts of foaming agent
5-15 parts of blowing promotor
1-5 parts of nucleating agent
0.5-2 parts of other auxiliary agents.
2. high apparent mass is blow molded fretting map car duct material according to claim 1, it is characterised in that: the polyethylene It is mixed for one of high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, metallocene PE or two kinds Object；
The filler is one of calcium carbonate, talcum powder, glass fibre；
The hyper-dispersant is maleic anhydride grafted ethene-alpha olefin copolymer, haloflex, maleic acid anhydride-propenoic acid copolymerization One of object, glycidyl methacrylate graft polyethylene, ethylene-methacrylic acid copolymer；
The toughener is one of ethylene-alpha-olefin copolymer, ethylene-vinyl acetate copolymer, EP rubbers.
3. high apparent mass is blow molded fretting map car duct material according to claim 2, it is characterised in that: the polyethylene For high density polyethylene (HDPE)；
The filler is talcum powder；
The hyper-dispersant is haloflex；
The toughener is ethylene-alpha-olefin copolymer.
4. high apparent mass is blow molded fretting map car duct material according to claim 1, it is characterised in that: the foaming agent For the combination of one or both of organic and inorganic type foaming agent, wherein organic foaming agent is sulfohydrazide type blowing agent, nitroso One of class foaming agent, azo foaming agent, Semicarbazido compound, triazole class compounds, inorganic type foaming agent are Azide Close one of object, sodium borohydride, carbonate, bicarbonate, nitric acid or nitrites；
The blowing promotor is organic acid and its esters, organic acid and its esters blowing promotor be stearic acid and its metallic salt, Citric acid and its esters, acetic acid and its esters, boric acid and its esters, sulfonic acid or sulfinic acid and its esters, adipic acid and its esters, One of tartaric acid and its esters, oxalic acid and its esters.
5. high apparent mass is blow molded fretting map car duct material according to claim 4, it is characterised in that: the foaming Agent is sulfohydrazide type blowing agent and bicarbonate salts blowing agent combination；
The blowing promotor is stearic acid and its metallic salt.
6. high apparent mass is blow molded fretting map car duct material according to claim 1, it is characterised in that: the nucleating agent For organic-inorganic Compositional type nucleating agent, wherein organic nucleating agent is dibenzal sorbitol and its derivative, benzoate and its spreads out One of biology, organic phosphate and its derivative, inorganic nucleator are nano zine oxide, nano-titanium dioxide, nanometer two One of silica, nano layered silicate, carbon nanotubes, graphene.
7. high apparent mass is blow molded fretting map car duct material according to claim 6, it is characterised in that: it is described it is organic at Core agent dibenzal sorbitol and its derivative, inorganic nucleator are nano-titanium oxide.
8. high apparent mass is blow molded fretting map car duct material according to claim 1, it is characterised in that: the auxiliary agent packet Include dispersing agent and antioxidant, wherein the dispersing agent is ethylene bis stearamide, polyethylene wax, one in tristerin Kind；The antioxidant is 1010,1098,168, one of H10, H318.
9. high apparent mass is blow molded fretting map car duct material according to claim 8, it is characterised in that: the dispersion Agent is polyethylene wax, and the antioxidant is 1010.
10. the preparation method of any one of the claim 1-9 high apparent mass blow molding fretting map car duct material, feature It is: the following steps are included:
Step 1: by 60-85 parts of polyethylene, 1-10 parts of filler, 1-10 parts of hyper-dispersant, 5-20 parts of toughener, blowing promotor 5-15 parts, 1-5 parts of nucleating agent, 0.5-2 parts of other auxiliary agents mix 2-4min in mixing machine, are added to twin-screw by hopper and squeeze It out in machine, is granulated at a temperature of 150-220 DEG C, screw speed 300-600r/min obtains blow-molding polyethylene composite material；
Step 2: foaming agent is sufficiently mixed in high mixer in advance according to parts by weight, is then added by side spout In single screw rod blow moulding machine；Meanwhile the composite polyethylene material that step 1 obtains is added to single screw rod blow moulding machine barrel；In 150- It at a temperature of 220 DEG C, is blow molded, obtains the fretting map car duct material with micro pore shape.
11. the preparation method of high apparent mass blow molding fretting map car duct material, feature exist according to claim 10 In: the single screw rod blow moulding machine is one of divergence type, barrier type, bypass type screw rod blow moulding machine, and compression ratio is more than 20:1.
CN201811165831.9A 2018-10-08 2018-10-08 A kind of high apparent mass blow molding fretting map car duct material and preparation method thereof Pending CN109370006A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109927270A (en) * 2019-03-06 2019-06-25 江苏星辰星汽车附件有限公司 A kind of preparation method in blow molding foaming air duct
CN110669275A (en) * 2019-10-30 2020-01-10 南京聚隆科技股份有限公司 Micro-foaming automobile air duct material with strong shearing structure and preparation method thereof
CN110684282A (en) * 2019-10-30 2020-01-14 南京聚隆科技股份有限公司 3D hollow blow molding micro-foaming polyolefin material and preparation method thereof
CN111393740A (en) * 2020-05-12 2020-07-10 北京汽车集团越野车有限公司 Automobile air conditioner air pipe and preparation method and material thereof
CN111499952A (en) * 2020-05-09 2020-08-07 惠州市峄董塑胶科技有限公司 Sheet material of plastic hat brim board and processing method thereof
CN113354889A (en) * 2021-06-10 2021-09-07 宁波禾隆新材料股份有限公司 Polyethylene micro-foaming section bar for enhancing melt strength and manufacturing method thereof
CN113896973A (en) * 2021-11-01 2022-01-07 北京汽车集团越野车有限公司 Automobile air duct material, automobile air duct and automobile
CN114163708A (en) * 2021-12-13 2022-03-11 南京聚隆科技股份有限公司 High-appearance micro-foaming heavy truck air inlet channel material and preparation method thereof
CN114425895A (en) * 2022-01-12 2022-05-03 中国第一汽车股份有限公司 An environment-friendly composite micro-foaming air duct and its production process
CN114621508A (en) * 2020-12-10 2022-06-14 南京聚隆科技股份有限公司 Laser-engravable micro-foamed automobile air duct material and preparation method thereof
CN115891586A (en) * 2022-11-14 2023-04-04 中国第一汽车股份有限公司 An air-conditioning surface blowing duct and a vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106349539A (en) * 2016-08-29 2017-01-25 湖北祥源新材科技股份有限公司 Blister sheets of flame-retardant and heat insulation and preparing method thereof
CN106519399A (en) * 2016-11-28 2017-03-22 安徽瑞研新材料技术研究院有限公司 Low-density nano composite material
CN106750709A (en) * 2015-11-19 2017-05-31 宁波市胜源技术转移有限公司 A kind of PE foam composite materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106750709A (en) * 2015-11-19 2017-05-31 宁波市胜源技术转移有限公司 A kind of PE foam composite materials
CN106349539A (en) * 2016-08-29 2017-01-25 湖北祥源新材科技股份有限公司 Blister sheets of flame-retardant and heat insulation and preparing method thereof
CN106519399A (en) * 2016-11-28 2017-03-22 安徽瑞研新材料技术研究院有限公司 Low-density nano composite material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
黄锐 等: "《塑料工程手册 上册》", 30 April 2000, 机械工业出版社 *

Cited By (11)

* Cited by examiner, † Cited by third party
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CN109927270A (en) * 2019-03-06 2019-06-25 江苏星辰星汽车附件有限公司 A kind of preparation method in blow molding foaming air duct
CN110669275A (en) * 2019-10-30 2020-01-10 南京聚隆科技股份有限公司 Micro-foaming automobile air duct material with strong shearing structure and preparation method thereof
CN110684282A (en) * 2019-10-30 2020-01-14 南京聚隆科技股份有限公司 3D hollow blow molding micro-foaming polyolefin material and preparation method thereof
CN111499952A (en) * 2020-05-09 2020-08-07 惠州市峄董塑胶科技有限公司 Sheet material of plastic hat brim board and processing method thereof
CN111393740A (en) * 2020-05-12 2020-07-10 北京汽车集团越野车有限公司 Automobile air conditioner air pipe and preparation method and material thereof
CN114621508A (en) * 2020-12-10 2022-06-14 南京聚隆科技股份有限公司 Laser-engravable micro-foamed automobile air duct material and preparation method thereof
CN113354889A (en) * 2021-06-10 2021-09-07 宁波禾隆新材料股份有限公司 Polyethylene micro-foaming section bar for enhancing melt strength and manufacturing method thereof
CN113896973A (en) * 2021-11-01 2022-01-07 北京汽车集团越野车有限公司 Automobile air duct material, automobile air duct and automobile
CN114163708A (en) * 2021-12-13 2022-03-11 南京聚隆科技股份有限公司 High-appearance micro-foaming heavy truck air inlet channel material and preparation method thereof
CN114425895A (en) * 2022-01-12 2022-05-03 中国第一汽车股份有限公司 An environment-friendly composite micro-foaming air duct and its production process
CN115891586A (en) * 2022-11-14 2023-04-04 中国第一汽车股份有限公司 An air-conditioning surface blowing duct and a vehicle

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Application publication date: 20190222