CN105885232A - High-performance polypropylene for automobile bumper - Google Patents

High-performance polypropylene for automobile bumper Download PDF

Info

Publication number
CN105885232A
CN105885232A CN201610407126.XA CN201610407126A CN105885232A CN 105885232 A CN105885232 A CN 105885232A CN 201610407126 A CN201610407126 A CN 201610407126A CN 105885232 A CN105885232 A CN 105885232A
Authority
CN
China
Prior art keywords
parts
polypropylene
performance
bumper
performance polypropylene
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
Application number
CN201610407126.XA
Other languages
Chinese (zh)
Inventor
邹晓明
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.)
Suzhou Haoshun Plastic Rubber Co Ltd
Original Assignee
Suzhou Haoshun Plastic Rubber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Haoshun Plastic Rubber Co Ltd filed Critical Suzhou Haoshun Plastic Rubber Co Ltd
Priority to CN201610407126.XA priority Critical patent/CN105885232A/en
Publication of CN105885232A publication Critical patent/CN105885232A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C08K2201/011—Nanostructured additives
    • 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
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Abstract

The invention discloses high-performance polypropylene for an automobile bumper. The high-performance polypropylene comprises, by weight, 50-60 parts of polypropylene, 30-35 parts of polypropylene-ethylene propylene diene monomer copolymer, 10-15 parts of ethylene/octylene random copolymer, 5-10 parts of polyethylene, 5-10 parts of polyamide, 20-30 parts of filler, 1-3 parts of antioxidant, 0.5-2.0 parts of polyethylene wax, 3-5 parts of a silane coupling agent, 0.5-1.5 parts of ultraviolet light absorber, 5-8 parts of p-(p-hydroxyphenyl) phenyl-phosphine oxide and 3-5 parts of a bulking agent. According to the high-performance polypropylene, raw material selection and formula design are conducted, the high-performance polypropylene has excellent fluidity, high mechanical strength, good impact toughness and the high thermal deformation temperature and meanwhile has the performance of being low in low hot-shrinkage rate and easy to coat and the like, is easy to process and short in formation cycle and can meet the injection molding requirement of the automobile bumper, an obtained product is good in dimension stability and excellent in comprehensive performance.

Description

A kind of bumper high-performance polypropylene
Technical field
The present invention relates to polymeric material field, particularly relate to a kind of bumper high-performance polypropylene.
Background technology
Bumper is one of exterior trimming parts maximum on automobile, is arranged on automobile as an independent assembly, is the important component part of car load, and the security protection of vehicle, modeling effect, air pertormance etc. are had large effect.Therefore, the material of bumper is made it is necessary to have sufficiently high high-temperature modulus and of a sufficiently low low temperature modulus.
Polypropylene (PP) is one of five big general-purpose plastics, due to its abundant raw material source, low price, is prone to processing and forming, product high comprehensive performance etc., is the ideal material making bumper at present.But there is the defects such as tolerance to cold is poor, fragile under low temperature to be split, and shrinkage factor is big, and creep resistance is poor, easily produces buckling deformation, and weatherability is poor in PP so that PP must be modified when being applied to bumper field processing.The method of modifying of existing PP is a lot, including toughening modifying, cold-resistant modification and high covering with paint property modification etc..But these method of modifying modified effects are single, the combination property of the PP product obtained is not good enough.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of bumper high-performance polypropylene.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of bumper high-performance polypropylene, including following parts by weight of component: polypropylene 50～60 parts, polypropylene-ethylene propylene diene rubber copolymer 30～35 parts, ethylene/octene random copolymer 10～15 parts, polyethylene 5～10 parts, polyamide 5～10 parts, filler 20～30 parts, antioxidant 1～3 parts, Tissuemat E 0.5～2.0 parts, silane coupler 3～5 parts, UV absorbent 0.5～1.5 parts, double (p-hydroxyphenyl) phenyl phosphine oxide 5～8 parts, bulking agent 3～5 parts.
In a preferred embodiment of the present invention, described filler includes fiberfill and granular filler, and the mass ratio of described fiberfill and granular filler is 2～3:5.
In a preferred embodiment of the present invention, described fiberfill includes nylon fiber and the glass fibre that mass ratio is 1～2:3.
In a preferred embodiment of the present invention, described granular filler be white carbon, Pulvis Talci and nano titanium oxide, SILICA FUME with 1～2:3～5:0.3～0.5:2～3 mass ratio mix mixture.
In a preferred embodiment of the present invention, the mixture that described antioxidant is the double lauryl of thio-2 acid and antioxidant 1010 mixes with the mass ratio of 2:1.
In a preferred embodiment of the present invention, described bulking agent is maleic anhydride inoculated polypropylene.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provides the preparation method of a kind of bumper high-performance polypropylene, comprises the steps:
(1) weighing: weigh a raw material by formula, standby；
(2) Feedstock treating: be placed in high-speed mixer by the granular filler in described filler, adds the silane coupler weighed up, stirring mixing 10～30min, carries out surface coupling processing；
(3) extruding pelletization: the granular filler high-speed mixer after being processed on surface in each raw material weighed in step (1) and step (2) is uniformly mixed, be subsequently adding in double screw extruder extrude, cool down, pelletize, it is vacuum dried again, obtains described bumper high-performance polypropylene.
In a preferred embodiment of the present invention, in described step (3), the process conditions of described extruding pelletization are: screw speed 65～75r/min, each section of temperature 175～225 DEG C.
In a preferred embodiment of the present invention, in described step (3), described vacuum drying condition is: vacuum 0.01～0.03MPa, temperature 70～80 DEG C, the time 30～60min.
The invention has the beneficial effects as follows: one bumper high-performance polypropylene of the present invention, designed by material choice and formula, there is mobility, higher mechanical strength, good impact flexibility and the higher heat distortion temperature of excellence, it is also equipped with that percent thermal shrinkage is low, be prone to the performances such as application simultaneously, it is prone to processing, molding cycle is short, the Shooting Technique requirement of bumper can be met, products obtained therefrom good dimension stability, product can be met at different temperatures, the requirement of Various Seasonal dimensional stability, excellent combination property.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
The embodiment of the present invention includes:
Embodiment 1
A kind of bumper high-performance polypropylene, including following parts by weight of component:
Polypropylene 50 parts；
Polypropylene-ethylene propylene diene rubber copolymer 30 parts；
Ethylene/octene random copolymer 10 parts；
Polyethylene 5 parts；
Polyamide 5 parts；
Filler 20 parts, including the fiberfill that mass ratio is 2:5 and granular filler, wherein, fiberfill includes nylon fiber and the glass fibre that mass ratio is 1:3, granular filler be mass ratio be the white carbon of 1:3:0.3:2, Pulvis Talci, nano titanium oxide and SILICA FUME；
Double (p-hydroxyphenyl) phenyl phosphine oxide 5 parts；
Function additive, specifically includes: 1 part of antioxidant, the mixture mixed with the mass ratio of 2:1 for the double lauryl of thio-2 acid and antioxidant 1010；Tissuemat E 0.5 part, uses as dispersant；Silane coupler 3 parts；UV absorbent 0.5 part and bulking agent 3 parts, maleic anhydride inoculated polypropylene.
Embodiment 2
A kind of bumper high-performance polypropylene, including following parts by weight of component:
Polypropylene 60 parts；
Polypropylene-ethylene propylene diene rubber copolymer 35 parts；
Ethylene/octene random copolymer 15 parts；
Polyethylene 10 parts；
Polyamide 10 parts；
Filler 30 parts, including the fiberfill that mass ratio is 3:5 and granular filler, wherein, fiberfill includes nylon fiber and the glass fibre that mass ratio is 2:3, granular filler be mass ratio be the white carbon of 2:5:0.5:3, Pulvis Talci, nano titanium oxide and SILICA FUME；
Double (p-hydroxyphenyl) phenyl phosphine oxide 8 parts；
Function additive, specifically includes: 3 parts of antioxidant, the mixture mixed with the mass ratio of 2:1 for the double lauryl of thio-2 acid and antioxidant 1010；Tissuemat E 2.0 parts, uses as dispersant；Silane coupler 5 parts；UV absorbent 1.5 parts and bulking agent 5 parts, maleic anhydride inoculated polypropylene.
The preparation method of the bumper high-performance polypropylene in above-mentioned two embodiment, comprises the steps:
(1) weighing: weigh a raw material by formula, standby；
(2) Feedstock treating: be placed in high-speed mixer by the granular filler in above-mentioned filler, is subsequently adding the silane coupler weighed up, stirring mixing 10～30min, carries out surface coupling processing；
(3) extruding pelletization: the granular filler high-speed mixer after being processed on surface in each raw material weighed in step (1) and step (2) is uniformly mixed, it is subsequently adding in double screw extruder, extrusion, cooling, pelletize, it is 0.01～0.03MPa in vacuum again, temperature is to be dried 30～60min in the vacuum drying oven of 70～80 DEG C, obtains described bumper high-performance polypropylene.The process conditions of described extruding pelletization are: screw speed 65～75r/min, each section of temperature 175～225 DEG C, specifically, one district's temperature 175 DEG C, two district's temperature 185 DEG C, three district's temperature 195 DEG C, four district's temperature 205 DEG C, five district's temperature 215 DEG C, head temperature 225 DEG C, the temperature fluctuation of above-mentioned each section is ± 3 degree.
The polypropylene granules injection molded layers test bars obtained is carried out performance test, result such as following table:
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.

Claims (9)

1. a bumper high-performance polypropylene, it is characterized in that, including following parts by weight of component: polypropylene 50～60 parts, polypropylene-ethylene propylene diene rubber copolymer 30～35 parts, ethylene/octene random copolymer 10～15 parts, polyethylene 5～10 parts, polyamide 5～10 parts, filler 20～30 parts, antioxidant 1～3 parts, Tissuemat E 0.5～2.0 parts, silane coupler 3～5 parts, UV absorbent 0.5～1.5 parts, double (p-hydroxyphenyl) phenyl phosphine oxide 5～8 parts, bulking agent 3～5 parts.
Bumper high-performance polypropylene the most according to claim 1, it is characterised in that described filler includes fiberfill and granular filler, and the mass ratio of described fiberfill and granular filler is 2～3:5.
Bumper high-performance polypropylene the most according to claim 2, it is characterised in that described fiberfill includes nylon fiber and the glass fibre that mass ratio is 1～2:3.
Bumper high-performance polypropylene the most according to claim 2, it is characterised in that described granular filler be white carbon, Pulvis Talci and nano titanium oxide, SILICA FUME with 1～2:3～5:0.3～0.5:2～3 mass ratio mix mixture.
Bumper high-performance polypropylene the most according to claim 1, it is characterised in that the mixture that described antioxidant is the double lauryl of thio-2 acid and antioxidant 1010 mixes with the mass ratio of 2:1.
Bumper high-performance polypropylene the most according to claim 1, it is characterised in that described bulking agent is maleic anhydride inoculated polypropylene.
7. the preparation method of the bumper high-performance polypropylene as described in one of claim 1,2,5,6, it is characterised in that comprise the steps:
(1) weighing: weigh a raw material by formula, standby；
(2) Feedstock treating: be placed in high-speed mixer by the granular filler in described filler, adds the silane coupler weighed up, stirring mixing 10～30min, carries out surface coupling processing；
(3) extruding pelletization: the granular filler high-speed mixer after being processed on surface in each raw material weighed in step (1) and step (2) is uniformly mixed, be subsequently adding in double screw extruder extrude, cool down, pelletize, it is vacuum dried again, obtains described bumper high-performance polypropylene.
The preparation method of bumper high-performance polypropylene the most according to claim 7, it is characterised in that in described step (3), the process conditions of described extruding pelletization are: screw speed 65～75r/min, each section of temperature 175～225 DEG C.
The preparation method of bumper high-performance polypropylene the most according to claim 7, it is characterised in that in described step (3), described vacuum drying condition is: vacuum 0.01～0.03MPa, temperature 70～80 DEG C, the time 30～60min.
CN201610407126.XA 2016-06-12 2016-06-12 High-performance polypropylene for automobile bumper Pending CN105885232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610407126.XA CN105885232A (en) 2016-06-12 2016-06-12 High-performance polypropylene for automobile bumper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610407126.XA CN105885232A (en) 2016-06-12 2016-06-12 High-performance polypropylene for automobile bumper

Publications (1)

Publication Number Publication Date
CN105885232A true CN105885232A (en) 2016-08-24

Family

ID=56730248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610407126.XA Pending CN105885232A (en) 2016-06-12 2016-06-12 High-performance polypropylene for automobile bumper

Country Status (1)

Country Link
CN (1) CN105885232A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108841082A (en) * 2018-06-21 2018-11-20 张俊杰 A kind of glass fiber reinforcement PP/PA composite modification material
CN110054842A (en) * 2018-01-18 2019-07-26 盛嘉伦橡塑(深圳）股份有限公司 Thermoplastic elastic material and preparation method thereof
CN112662055A (en) * 2020-12-10 2021-04-16 南京大学 Modified polypropylene material for composite insulator
CN115612207A (en) * 2022-10-17 2023-01-17 杭州恒峰塑料制品有限公司 Process for preparing thermoplastic resin blow molding body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110054842A (en) * 2018-01-18 2019-07-26 盛嘉伦橡塑(深圳）股份有限公司 Thermoplastic elastic material and preparation method thereof
CN108841082A (en) * 2018-06-21 2018-11-20 张俊杰 A kind of glass fiber reinforcement PP/PA composite modification material
CN112662055A (en) * 2020-12-10 2021-04-16 南京大学 Modified polypropylene material for composite insulator
CN115612207A (en) * 2022-10-17 2023-01-17 杭州恒峰塑料制品有限公司 Process for preparing thermoplastic resin blow molding body
CN115612207B (en) * 2022-10-17 2023-11-03 杭州恒峰塑料制品有限公司 Preparation process of thermoplastic resin blow-molded body

Similar Documents

Publication Publication Date Title
CN107973976B (en) High-impact-resistance high-gloss spray-free PP/PETG alloy material and preparation method thereof
CN103992561B (en) A kind of polyolefin masterbatch prepares the method for pipe fitting
CN103030972B (en) A kind of high heat-resisting low-warpage nylon dragon 66 matrix materials and preparation method thereof
CN105885232A (en) High-performance polypropylene for automobile bumper
CN103044910B (en) Glass fiber reinforced nylon 6 composite material with superhigh content and preparation method thereof
CN102050978B (en) Polyethylene composition for rotational moulding and preparation method of polyethylene composition
CN102952336A (en) Active basic magnesium sulfate whisker modified polypropylene composite material and preparation method thereof
CN102643480B (en) Anti-static alloy composite material and preparation method thereof
CN105713355A (en) High-performance warping-proof glass fiber reinforced PBT (polybutylene terephthalate)/PC (polycarbonate) alloy material
CN102516662B (en) Polypropylene composite material with high strength and high heat resistance and its preparation method
CN113088006B (en) Polypropylene composite master batch and preparation method thereof
CN112552582B (en) Anti-tiger stripe and high-heat-resistance automobile instrument board material and preparation method and application thereof
CN103360656A (en) Regenerated polyethylene composition and preparation method thereof
CN103740027A (en) Glass fiber reinforced AES composite material and preparation method thereof
CN105504528A (en) Polypropylene composite material capable of realizing light weight and with low linear expansion coefficient and preparation method thereof
CN111534099A (en) Low-cost low-fiber-floating high-glass-fiber-content reinforced polyphenylene sulfide composite material and preparation method thereof
CN107200919A (en) A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof
CN112552599A (en) Low-odor low-VOC low-haze glass fiber reinforced polypropylene composite material and preparation method thereof
CN104559007A (en) High-glossiness scratch-resistant polypropylene material and preparation method thereof
CN110903650B (en) High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof
CN104788817A (en) Modified polypropylene composite toughening material and preparation method thereof
CN105273374B (en) A kind of high-performance anti-warp glass fiber enhancing PBT/ASA alloy material
CN111978641A (en) High-modulus, high-fluidity and high-impact-resistance glass fiber reinforced polypropylene composite material and preparation method thereof
CN103991246A (en) Method of preparing three-layer co-extrusion pipe fittings from polyolefin master batch
CN113637248A (en) Preparation of low-shrinkage HDPE sheath material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160824