CN104893106A - High-impact-resistant polypropylene composite material for bumpers of automobiles and method for manufacturing polypropylene composite material - Google Patents

High-impact-resistant polypropylene composite material for bumpers of automobiles and method for manufacturing polypropylene composite material Download PDF

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Publication number
CN104893106A
CN104893106A CN201510365616.3A CN201510365616A CN104893106A CN 104893106 A CN104893106 A CN 104893106A CN 201510365616 A CN201510365616 A CN 201510365616A CN 104893106 A CN104893106 A CN 104893106A
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China
Prior art keywords
parts
composite material
impact
ester
polypropylene composite
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CN201510365616.3A
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Inventor
李子健
任浩楠
陈逸涵
金林墨
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    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer

Abstract

The invention discloses a high-impact-resistant polyethylene composite material for bumpers of automobiles and a method for manufacturing the high-impact-resistant polyethylene composite material. The high-impact-resistant polyethylene composite material comprises, by weight, 90-110 parts of polyethylene, 15-25 parts of polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol terephthalate, 5-7 parts of bi-12-carbon alcohol ester, 7-9 parts of liquid nitrile rubber, 3-5 parts of graphene, 4-6 parts of zirconium boride, 2-3 parts of lead sulfate tribasic, 6-10 parts of zinc stearate, 6-8 parts of dipropyl maleate, 5-8 parts of thermoplastic polyurethane elastomers, 4-6 parts of rosin glycerin ester, 6-9 parts of Chinese insect wax, 9-11 parts of epoxidized soybean oil, 8-10 parts of glass fibers, 10-14 parts of gypsum whiskers, 6-9 parts of stronWiNTC, 4-6 parts of zinc molybdate, 7-9 parts of antimony trioxide and 13-15 parts of nanometer diamond. The high-impact-resistant polyethylene composite material and the method have the advantages that the high-impact-resistant polyethylene composite material manufactured by the aid of the method is excellent in impact-resistant performance and high in tensile strength and impact strength.

Description

A kind of high impact-resistant polypropylene composite material for automobile bumper and preparation method thereof
Technical field
The present invention relates to a kind of matrix material, specifically relate to a kind of high impact-resistant polypropylene composite material for automobile bumper and preparation method thereof.
Background technology
Collision bumper is equipped with in automobile front and back end, not only has decoration functions, more importantly absorbs and relax the security device of foreign impacts power, protection vehicle body protection vehicle body and occupant safety function.Before many years, automobile front/rear collision bumper is based on metallic substance, U-lag steel is pressed into the steel plate stamping that thickness is more than 3 millimeters, surface treatment chromium plating, rivet with longitudinal beam or weld together, having one section of larger gap with vehicle body, seems that the parts added up look very unsightly.Along with the development of automotive industry and engineering plastics are in the extensive application of automotive industry, bumper has also moved towards as a kind of important security device the road reformed.Current automobile front/rear collision bumper, except keeping original defencive function, also will be pursued and the harmony of car body moulding and unification, the lightweight of pursuit itself.The front/rear collision bumper of car is all that plastics are made, and people are called plastic bumper.
Current polypropylene material is to prepare bumper Application comparison extensive.It has good comprehensive strength, easily machine-shaping, the advantages such as recoverable, but polypropylene material toughness and impact resistance poor, therefore for needing during automobile insurance, modification is carried out to it.Traditional method of modifying uses elastic body toughening polypropylene, and as toughness reinforcing with second third glue, POE, SBS etc., technique is comparative maturity, and main drawback is that the flowing property of material is bad, and rigidity and intensity also decline thereupon.
Summary of the invention
The object of this invention is to provide a kind of high impact-resistant polypropylene composite material for automobile bumper and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of high impact-resistant polypropylene composite material for automobile bumper, formed by the preparation of raw material of following weight part: polypropylene 90-110, polyethylene terephthalate-1, 4-cyclohexanedimethanoester ester 15-25, two Lauryl Alcohol ester 5-7, liquid acrylonitrile butadiene rubber 7-9, Graphene 3-5, zirconium boride 99.5004323A8ure 4-6, lead sulfate tribasic 2-3, Zinic stearas 6-10, maleic acid ester 6-8, Polyurethane Thermoplastic Elastomer 5-8, ester gum 4-6, Insect Wax 4-5, epoxy soybean oil 9-11, glass fibre 8-10, crystal whisker of gypsum 10-14, strong prestige powder 6-9, zinc molybdate 4-6, antimonous oxide 7-9, Nano diamond 13-15.
A preparation method for high impact-resistant polypropylene composite material for automobile bumper, comprises the following steps:
(1) polypropylene, polyethylene terephthalate-1 is taken by weight, 4-cyclohexanedimethanoester ester, two Lauryl Alcohol ester, liquid acrylonitrile butadiene rubber, Graphene, zirconium boride 99.5004323A8ure, lead sulfate tribasic, Zinic stearas, maleic acid ester, Polyurethane Thermoplastic Elastomer, ester gum, Insect Wax, epoxy soybean oil, be placed in mixing machine and under 1500-1600r/min, rotate 5-8min obtain mixture, for subsequent use;
(2) in mill, add glass fibre, crystal whisker of gypsum, strong prestige powder, zinc molybdate, antimonous oxide, Nano diamond etc., refining 8-10min is opened at the temperature of 140-160 DEG C, then add the mixture that step (1) obtains, continue out to refine 4-6min, obtain mixture;
(3) mixture that step (2) obtains is put into twin screw extruder extruding pelletization, the rotating speed of dual-screw-stem machine is 300-400r/min, and temperature is 180-200 DEG C, obtained high impact-resistant polypropylene composite material for automobile bumper.
Beneficial effect of the present invention:
The polyethylene terephthalate that the present invention adds-1,4 cyclohexane dimethanol ester, Polyurethane Thermoplastic Elastomer, can significantly improve the shock resistance of polypropylene composite material; The maleic acid ester added, ester gum, liquid acrylonitrile butadiene rubber can improve mineral filler and organic resin consistency, improve the stretching of matrix material, shock strength, the zinc molybdate added, antimonous oxide have the effect of cooperative flame retardant, the mineral fillers such as the glass fibre added, crystal whisker of gypsum, Graphene, zirconium boride 99.5004323A8ure, strong prestige powder, Nano diamond, decrease the consumption of resin, reduce cost, enhance the physical and mechanical properties of matrix material simultaneously.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of high impact-resistant polypropylene composite material for automobile bumper, formed by the preparation of raw material of following weight part (kg): polypropylene 90, polyethylene terephthalate-1,4 cyclohexane dimethanol ester 15, two Lauryl Alcohol ester 5, liquid acrylonitrile butadiene rubber 7, Graphene 3, zirconium boride 99.5004323A8ure 4, lead sulfate tribasic 2, Zinic stearas 6, maleic acid ester 6, Polyurethane Thermoplastic Elastomer 5, ester gum 4, Insect Wax 4, epoxy soybean oil 9, glass fibre 8, crystal whisker of gypsum 10, strong prestige powder 6, zinc molybdate 4, antimonous oxide 7, Nano diamond 13.
A preparation method for high impact-resistant polypropylene composite material for automobile bumper, comprises the following steps:
(1) polypropylene, polyethylene terephthalate-1 is taken by weight, 4-cyclohexanedimethanoester ester, two Lauryl Alcohol ester, liquid acrylonitrile butadiene rubber, Graphene, zirconium boride 99.5004323A8ure, lead sulfate tribasic, Zinic stearas, maleic acid ester, Polyurethane Thermoplastic Elastomer, ester gum, Insect Wax, epoxy soybean oil, be placed in mixing machine and under 1500-1600r/min, rotate 5-8min obtain mixture, for subsequent use;
(2) in mill, add glass fibre, crystal whisker of gypsum, strong prestige powder, zinc molybdate, antimonous oxide, Nano diamond etc., refining 8-10min is opened at the temperature of 140-160 DEG C, then add the mixture that step (1) obtains, continue out to refine 4-6min, obtain mixture;
(3) mixture that step (2) obtains is put into twin screw extruder extruding pelletization, the rotating speed of dual-screw-stem machine is 300-400r/min, and temperature is 180-200 DEG C, obtained high impact-resistant polypropylene composite material for automobile bumper.
Embodiment 2:
A kind of high impact-resistant polypropylene composite material for automobile bumper, formed by the preparation of raw material of following weight part (kg): polypropylene 100, polyethylene terephthalate-1, 4-cyclohexanedimethanoester ester 20, two Lauryl Alcohol ester 6, liquid acrylonitrile butadiene rubber 8, Graphene 4, zirconium boride 99.5004323A8ure 5, lead sulfate tribasic 2.5, Zinic stearas 8, maleic acid ester 7, Polyurethane Thermoplastic Elastomer 6.5, ester gum 5, Insect Wax 4.5, epoxy soybean oil 10, glass fibre 9, crystal whisker of gypsum 12, strong prestige powder 7.5, zinc molybdate 5, antimonous oxide 8, Nano diamond 14.
Preparation method is with embodiment 1.
Embodiment 3:
A kind of high impact-resistant polypropylene composite material for automobile bumper, formed by the preparation of raw material of following weight part (kg): polypropylene 110, polyethylene terephthalate-1,4 cyclohexane dimethanol ester 25, two Lauryl Alcohol ester 7, liquid acrylonitrile butadiene rubber 9, Graphene 5, zirconium boride 99.5004323A8ure 6, lead sulfate tribasic 3, Zinic stearas 10, maleic acid ester 8, Polyurethane Thermoplastic Elastomer 8, ester gum 6, Insect Wax 5, epoxy soybean oil 11, glass fibre 10, crystal whisker of gypsum 14, strong prestige powder 9, zinc molybdate 6, antimonous oxide 9, Nano diamond 15.
Preparation method is with embodiment 1.
The performance test results of the high impact-resistant polypropylene composite material for automobile bumper that above-described embodiment 1-3 obtains is in table 1.
The performance test results of the high impact-resistant polypropylene composite material for automobile bumper that table 1 embodiment 1-3 obtains
Embodiment 1 Embodiment 2 Embodiment 3
Flexural strength, Mpa 24.5 23.8 24.8
Tensile strength, Mpa 19.2 20.5 21.4
Elongation at break, % 364 383 397
Notched Izod impact strength, KJ/ ㎡ 54.2 56.8 57.3
Heat-drawn wire, DEG C 105 108 106

Claims (2)

1. a high impact-resistant polypropylene composite material for automobile bumper, it is characterized in that, formed by the preparation of raw material of following weight part: polypropylene 90-110, polyethylene terephthalate-1, 4-cyclohexanedimethanoester ester 15-25, two Lauryl Alcohol ester 5-7, liquid acrylonitrile butadiene rubber 7-9, Graphene 3-5, zirconium boride 99.5004323A8ure 4-6, lead sulfate tribasic 2-3, Zinic stearas 6-10, maleic acid ester 6-8, Polyurethane Thermoplastic Elastomer 5-8, ester gum 4-6, Insect Wax 4-5, epoxy soybean oil 9-11, glass fibre 8-10, crystal whisker of gypsum 10-14, strong prestige powder 6-9, zinc molybdate 4-6, antimonous oxide 7-9, Nano diamond 13-15.
2. the preparation method of a kind of high impact-resistant polypropylene composite material for automobile bumper according to claim 1, is characterized in that, comprise the following steps:
(1) polypropylene, polyethylene terephthalate-1 is taken by weight, 4-cyclohexanedimethanoester ester, two Lauryl Alcohol ester, liquid acrylonitrile butadiene rubber, Graphene, zirconium boride 99.5004323A8ure, lead sulfate tribasic, Zinic stearas, maleic acid ester, Polyurethane Thermoplastic Elastomer, ester gum, Insect Wax, epoxy soybean oil, be placed in mixing machine and under 1500-1600r/min, rotate 5-8min obtain mixture, for subsequent use;
(2) in mill, add glass fibre, crystal whisker of gypsum, strong prestige powder, zinc molybdate, antimonous oxide, Nano diamond etc., refining 8-10min is opened at the temperature of 140-160 DEG C, then add the mixture that step (1) obtains, continue out to refine 4-6min, obtain mixture;
(3) mixture that step (2) obtains is put into twin screw extruder extruding pelletization, the rotating speed of dual-screw-stem machine is 300-400r/min, and temperature is 180-200 DEG C, obtained high impact-resistant polypropylene composite material for automobile bumper.
CN201510365616.3A 2015-06-29 2015-06-29 High-impact-resistant polypropylene composite material for bumpers of automobiles and method for manufacturing polypropylene composite material Pending CN104893106A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107793646A (en) * 2017-11-16 2018-03-13 安徽蓝德仪表有限公司 A kind of automobile instrument outer casing polyolefine material
CN108034128A (en) * 2017-12-01 2018-05-15 蚌埠泰欣电子科技有限公司 A kind of high pressure resistant automobile engine igniter shell polypropylene plastics
CN109942950A (en) * 2019-04-03 2019-06-28 金旸（厦门）新材料科技有限公司 A kind of resistance to stress whitens, mar-proof automobile-used PP/PETG alloy material and preparation method thereof
CN111961287A (en) * 2020-09-03 2020-11-20 常州兴烯石墨烯科技有限公司 Graphene impact-resistant bumper and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1159817A (en) * 1994-09-30 1997-09-17 出光石油化学株式会社 Propylene resin composition for interior material for automobiles, and interior material for automobiles
US6753373B2 (en) * 2002-06-20 2004-06-22 Kris W. Winowiecki Polyolefin compositions and method of use thereof in molded products
CN1745113A (en) * 2002-12-27 2006-03-08 Jsr株式会社 Olefinic thermoplastic elastomer sheet, process for production thereof, and laminates
CN103102592A (en) * 2013-02-04 2013-05-15 北京海科华昌新材料技术有限公司 Modified polypropylene material for automotive bumper and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1159817A (en) * 1994-09-30 1997-09-17 出光石油化学株式会社 Propylene resin composition for interior material for automobiles, and interior material for automobiles
US6753373B2 (en) * 2002-06-20 2004-06-22 Kris W. Winowiecki Polyolefin compositions and method of use thereof in molded products
CN1745113A (en) * 2002-12-27 2006-03-08 Jsr株式会社 Olefinic thermoplastic elastomer sheet, process for production thereof, and laminates
CN103102592A (en) * 2013-02-04 2013-05-15 北京海科华昌新材料技术有限公司 Modified polypropylene material for automotive bumper and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107793646A (en) * 2017-11-16 2018-03-13 安徽蓝德仪表有限公司 A kind of automobile instrument outer casing polyolefine material
CN108034128A (en) * 2017-12-01 2018-05-15 蚌埠泰欣电子科技有限公司 A kind of high pressure resistant automobile engine igniter shell polypropylene plastics
CN109942950A (en) * 2019-04-03 2019-06-28 金旸（厦门）新材料科技有限公司 A kind of resistance to stress whitens, mar-proof automobile-used PP/PETG alloy material and preparation method thereof
CN109942950B (en) * 2019-04-03 2021-05-11 金旸（厦门）新材料科技有限公司 Stress whitening-resistant scratch-resistant PP/PETG alloy material for vehicles and preparation method thereof
CN111961287A (en) * 2020-09-03 2020-11-20 常州兴烯石墨烯科技有限公司 Graphene impact-resistant bumper and preparation method thereof

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Application publication date: 20150909