CN103965629A - Wear-resistant polypropylene modified polyphenylene sulfide material for car plastic parts - Google Patents

Abstract

The invention belongs to the field of polymer materials, and particularly relates to a wear-resistant polypropylene modified polyphenylene sulfide material for car plastic parts. The material is prepared from the following raw materials by weight: 100 parts of polyphenylene sulfide, 20-23 parts of polypropylene random copolymer, 6-10 parts of carbon black, 1-2 parts of ferric oxalate, 18-22 parts of high abrasion-resistant carbon black N330, 8-12 parts of aluminium hydroxide, 5-7 parts of zinc oxide, 0.3-0.7 part of an accelerating agent DM, 2-3 parts of zinc stearate, 4-6 parts of fatty glyceride, 1-2 parts of butyl mercaptan tin and 12-15 parts of additives. The material combines the advantages of the raw materials of polyphenylene sulfide, polypropylene random copolymer and the like, and adds the raw materials of high abrasion-resistant carbon black N330, and the like for modified processing, so that the material has favorable processability and mechanical properties; the material prepared is high in strength, wear-resistant, heat ageing resistant, flame-retardant, low-temperature tendering resistant, shock-resistant, safe and reliable, and can be widely used for manufacturing various car plastic parts.

Description

Wear-resisting polypropene modified polyphenyl thioether material for a kind of automotive plastic parts

Technical field

The invention belongs to polymeric material field, be specifically related to a kind of automotive plastic parts wear-resisting polypropene modified polyphenyl thioether material and preparation method thereof.

Background technology

PPS resin has high strength, high rigidity, and under hot conditions, rigidity reduction is very little, has outstanding fatigue performance and creep-resistant property; In automobile component, being used widely, is to have good development potentiality and competitive capacity.But polyphenylene sulfide also exists, and fragility is large, poor toughness, shortcoming that impact strength is low, thereby in application, has been subject to certain restriction.

In order to improve the performance of PPS resin material, widen materials'use scope, need to carry out modification to PPS resin material, can be widely used in each position of automobile.

Summary of the invention

The object of the invention is to, a kind of automotive plastic parts wear-resisting polypropene modified polyphenyl thioether material is provided, promoted the performance of conventional nylon material, make it possess good mechanical property, can adapt to specific environment for use, to achieve these goals, the technical solution used in the present invention is as follows:

Wear-resisting polypropene modified polyphenyl thioether material for a kind of automotive plastic parts, it is characterized in that, material of the present invention is made up of the raw material of following weight part: polyphenylene sulfide 100, atactic copolymerized polypropene 20-23, carbon black 6-10, ironic oxalate 1-2, high abrasion furnace carbon black N330 18-22, aluminium hydroxide 8-12, zinc oxide 5-7, altax 0.3-0.7, Zinic stearas 2-3, glycerin fatty acid ester 4-6, butanethiol tin 1-2, auxiliary agent 12-15.

Described auxiliary agent is made up of the raw material of following weight part: clay 300-320, magnesium oxide 3-4, aluminum oxide 1-2, bauxitic clay powder 5-6, vanadium boride 1-2, xitix 2-3, V ₂o ₅3-4, double pentaerythritol methacrylate 2-3, silane resin acceptor kh-550 1-2, dimethyl tin oxide 1-2, Syzygium aromaticum stem oil 1-2, jade powder 20-24; Preparation method puts into calcining furnace by clay to calcine 3-4 hour at 710-740 DEG C, cooling, puts into 10-12% hydrochloric acid soln and soaks 1-2 hour, filter and take out, clean and dry with clear water, be ground into 200-400 order powder, mix with other remaining component, grinding distribution is even, to obtain final product.

Wear-resisting polypropene modified polyphenyl thioether material for described a kind of automotive plastic parts, its preparation method is:

(1) atactic copolymerized polypropene, carbon black, glycerin fatty acid ester, auxiliary agent mixed melting are stirred to 10-15 minute, send into twin screw extruder granulation, obtain A material;

(2) polyphenylene sulfide, high abrasion furnace carbon black N330 and other remaining component mixed melting were stirred after 5-8 minute, send into extruding pelletization in twin screw extruder, obtain B material;

(3) after A, B material is mixed, on twin screw extruder, melt extrude granulation, to obtain final product.

The present invention combines the advantage of the raw material such as polyphenylene sulfide, atactic copolymerized polypropene, and has added the raw materials such as high abrasion furnace carbon black N330, and material has been carried out to modification, make it have good processing characteristics and mechanical property, the strength of materials of preparation is high, wear-resisting, heat-proof aging, fire-retardant, low temperature resistant embrittlement, shock resistance, long service life, can meet specific environment for use condition, market application foreground is wide.

Embodiment

Embodiment

The present embodiment material is made up of the raw material of following weight part: polyphenylene sulfide 100, atactic copolymerized polypropene 23, carbon black 8, ironic oxalate 2, high abrasion furnace carbon black N330 22, aluminium hydroxide 10, zinc oxide 6, altax 0.5, Zinic stearas 3, glycerin fatty acid ester 6, butanethiol tin 2, auxiliary agent 15.This routine polyphenylene sulfide used is high molecular weight crosslinked PPS resin, weight-average molecular weight 3.0-5 × 105.

Described auxiliary agent is made up of the raw material of following weight part: clay 300, magnesium oxide 4, aluminum oxide 2, bauxitic clay powder 5, vanadium boride 1, xitix 3, V ₂o ₅3, double pentaerythritol methacrylate 3, silane resin acceptor kh-550 1, dimethyl tin oxide 1, Syzygium aromaticum stem oil 2, jade powder 20; Preparation method puts into calcining furnace by clay at 740 DEG C, to calcine 4 hours, cooling, puts into 12% hydrochloric acid soln and soaks 2 hours, filters and takes out, and cleans and dries with clear water, is ground into 400 order powder, mixes with other remaining component, and grinding distribution is even, to obtain final product.

Wear-resisting polypropene modified polyphenyl thioether material for described a kind of automotive plastic parts, its preparation method is:

(1) atactic copolymerized polypropene, carbon black, glycerin fatty acid ester, auxiliary agent mixed melting are stirred 12 minutes, send into twin screw extruder granulation, obtain A material;

(2) polyphenylene sulfide, high abrasion furnace carbon black N330 and other remaining component mixed melting were stirred after 8 minutes, send into extruding pelletization in twin screw extruder, obtain B material;

(3) after A, B material is mixed, on twin screw extruder, melt extrude granulation, to obtain final product.

The performance test results of material of the present invention is: performance index of the present invention;

Tensile strength (MPa) 153

Elongation at break (%) 2.1

Flexural strength (MPa) 241

Modulus in flexure (MPa) 11300

Notched Izod impact strength (KJ/m2) 11.2.

Claims (2)

1. a wear-resisting polypropene modified polyphenyl thioether material for automotive plastic parts, it is characterized in that, this material is made up of the raw material of following weight part: polyphenylene sulfide 100, atactic copolymerized polypropene 20-23, carbon black 6-10, ironic oxalate 1-2, high abrasion furnace carbon black N330 18-22, aluminium hydroxide 8-12, zinc oxide 5-7, altax 0.3-0.7, Zinic stearas 2-3, glycerin fatty acid ester 4-6, butanethiol tin 1-2, auxiliary agent 12-15;

Described auxiliary agent is made up of the raw material of following weight part: clay 300-320, magnesium oxide 3-4, aluminum oxide 1-2, bauxitic clay powder 5-6, vanadium boride 1-2, xitix 2-3, V ₂o ₅3-4, double pentaerythritol methacrylate 2-3, silane resin acceptor kh-550 1-2, dimethyl tin oxide 1-2, Syzygium aromaticum stem oil 1-2, jade powder 20-24; Preparation method puts into calcining furnace by clay to calcine 3-4 hour at 710-740 DEG C, cooling, puts into 10-12% hydrochloric acid soln and soaks 1-2 hour, filter and take out, clean and dry with clear water, be ground into 200-400 order powder, mix with other remaining component, grinding distribution is even, to obtain final product.

2. wear-resisting polypropene modified polyphenyl thioether material for a kind of automotive plastic parts as claimed in claim 1, its manufacture craft is:

(1) atactic copolymerized polypropene, carbon black, glycerin fatty acid ester, auxiliary agent mixed melting are stirred to 10-15 minute, send into twin screw extruder granulation, obtain A material;

(2) polyphenylene sulfide, high abrasion furnace carbon black N330 and other remaining component mixed melting were stirred after 5-8 minute, send into extruding pelletization in twin screw extruder, obtain B material;

(3) after A, B material is mixed, on twin screw extruder, melt extrude granulation, to obtain final product.