CN103937247A - Polyphenyl ether modified polyphenylene sulfide material for automotive plastic part - Google Patents

Abstract

The invention belongs to the field of high molecular materials and particularly relates to a polyphenyl ether modified polyphenylene sulfide material for an automotive plastic part. The material is prepared from the following raw materials in parts by weight: 100 parts of polyphenylene sulfide, 14-18 parts of polyphenyl ether, 4-5 parts of carbodiimide, 3-5 parts of aluminum citrate, 1-2 parts of silane coupling agent KH-550, 1-2 parts of di(2-Ethylhexyl)-4,5-epoxycyclohexane-1,2-dicarboxylate, 2-3 parts of chitosan, 12-15 parts of white carbon black, 1-2 parts of silicon carbide and 12-15 parts of assistant. The material provided by the invention combines the advantages of the raw materials such as polyphenylene sulfide and polyphenyl ether and improves the performances of conventional nylon materials, so that the material has good processing and mechanical performances. The prepared material is firm and wear-resistant, high-temperature resistant and waterproof, good in electric insulating performance, flame-retardant and safe and reliable to use, and can be widely applied to preparing various automotive plastic parts.

Description

The polyphenyl ether modified polyphenyl thioether material of a kind of automotive plastic parts

Technical field

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

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, provide a kind of automotive plastic parts polyphenyl ether modified polyphenyl thioether material, 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:

The polyphenyl ether modified polyphenyl thioether material of 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, polyphenylene oxide 14-18, carbodiimide 4-5, Tiorco 677 3-5, silane resin acceptor kh-550 1-2, epoxy tetrahydro-2-ethylhexyl phthalate 1-2, chitosan 2-3, white carbon black 12-15, silicon carbide 1-2, auxiliary agent 12-15.

Described auxiliary agent is made up of the raw material of following weight part: diatomite 300-320, jade powder 20-24, nano-sized carbon 1-2, vinylformic acid dimethylamino ethyl ester 4-5, Sodium Benzoate 1-2, tri (propylene glycol) diacrylate 2-3, Silane coupling agent KH550 1-2, Sodium Selenite 1-2, lily bulb powder 2-3, Syzygium aromaticum stem oil 1-2, tripoly phosphate sodium STPP 5.0-7.0; 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.

The described polyphenyl ether modified polyphenyl thioether material of a kind of automotive plastic parts, its preparation method is:

(1) polyphenylene oxide, epoxy tetrahydro-2-ethylhexyl phthalate, auxiliary agent mixed melting are stirred to 10-15 minute, send into twin screw extruder granulation, obtain A material;

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

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

The present invention combines the advantage of the raw material such as polyphenylene sulfide, polyphenylene oxide, improve the performance of conventional nylon material, make it have good processing characteristics and mechanical property, the material of preparation is firm wear-resisting, fire resistant water resistant, and electrical insulation capability is good, fire-retardant, use safety, can meet specific environment for use condition, market application foreground is wide.

Embodiment

Embodiment

The present embodiment material is made up of following weight part raw material: polyphenylene sulfide 100, polyphenylene oxide 16, carbodiimide 5, Tiorco 677 5, silane resin acceptor kh-550 2, epoxy tetrahydro-2-ethylhexyl phthalate 2, chitosan 3, white carbon black 15, silicon carbide 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: diatomite 300, jade powder 20, nano-sized carbon 2, vinylformic acid dimethylamino ethyl ester 4, Sodium Benzoate 1, tri (propylene glycol) diacrylate 2, Silane coupling agent KH550 1, Sodium Selenite 1, lily bulb powder 3, Syzygium aromaticum stem oil 1, tripoly phosphate sodium STPP 5.0; 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.

The described polyphenyl ether modified polyphenyl thioether material of a kind of automotive plastic parts, its preparation method is:

(1) polyphenylene oxide, epoxy tetrahydro-2-ethylhexyl phthalate, auxiliary agent mixed melting are stirred 12 minutes, send into twin screw extruder granulation, obtain A material;

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

(3) A, B material is mixed, in 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) 168

Elongation at break (%) 2.1

Flexural strength (MPa) 241

Modulus in flexure (MPa) 11200

Notched Izod impact strength (KJ/m2) 10.9.

Claims (2)

1. the polyphenyl ether modified polyphenyl thioether material of automotive plastic parts, it is characterized in that, this material is made up of the raw material of following weight part: polyphenylene sulfide 100, polyphenylene oxide 14-18, carbodiimide 4-5, Tiorco 677 3-5, silane resin acceptor kh-550 1-2, epoxy tetrahydro-2-ethylhexyl phthalate 1-2, chitosan 2-3, white carbon black 12-15, silicon carbide 1-2, auxiliary agent 12-15;

Described auxiliary agent is made up of the raw material of following weight part: diatomite 300-320, jade powder 20-24, nano-sized carbon 1-2, vinylformic acid dimethylamino ethyl ester 4-5, Sodium Benzoate 1-2, tri (propylene glycol) diacrylate 2-3, Silane coupling agent KH550 1-2, Sodium Selenite 1-2, lily bulb powder 2-3, Syzygium aromaticum stem oil 1-2, tripoly phosphate sodium STPP 5.0-7.0; 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. the polyphenyl ether modified polyphenyl thioether material of a kind of automotive plastic parts as claimed in claim 1, its manufacture craft is:

(1) polyphenylene oxide, epoxy tetrahydro-2-ethylhexyl phthalate, auxiliary agent mixed melting are stirred to 10-15 minute, send into twin screw extruder granulation, obtain A material;

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

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