Anti-cracking polyphenyl thioether composite material and preparation method thereof

A technology of polyphenylene sulfide and composite materials, which is applied in the field of polyphenylene sulfide composite materials and its preparation, can solve problems such as easy cracking at thin-walled joints, and achieve improved crack resistance toughness, easy injection molding, and melt fluidity Good results

Active Publication Date: 2011-02-09
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
View PDF5 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to obtain a kind of toughening system through special toughening system and composite technology, which can not only solve the problem of easy cracking of the thin-walled joints of porous connector parts, but also meet the high flow performance required by the injection molding process of porous connectors. Composite materials

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The following components by weight percentage are used in this embodiment: 58.3% polyphenylene sulfide resin, 35% alkali-free fiber, 5% random ethylene-acrylate-maleic anhydride terpolymer, 0.6% silane coupling agent, Silicone powder 0.4%, β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate 0.7%.

[0021] Add the phenylene sulfide resin, toughening agent and coupling agent to the batching mixer first, stir at low speed for 1 minute, then add lubricant and antioxidant to the batching mixer, and mix at high speed for 1-2 minutes; mix the premixed The material is placed in twin-screws and granulated by melt extrusion. The extrusion process is as follows: twin-screw machine temperature zone: first-stage temperature 275°C, second-stage temperature 285°C, third-stage temperature 285°C, fourth-stage temperature 290°C, fifth-stage temperature Temperature 295°C, head temperature 300°C; host frequency: 35Hz; feeding frequency: 11Hz; add glass fiber from the side feeding po...

Embodiment 2

[0024] In this embodiment, the following components by weight percentage are used: 53.4% ​​polyphenylene sulfide resin, 40% medium alkali fiber, 4% random ethylene-acrylic acid ester-maleic anhydride terpolymer, 1.2% phosphoric acid ester coupling agent 1.0% silicone mesh granules, 0.4% tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester.

[0025] Add the phenylene sulfide resin, toughening agent and coupling agent to the batching mixer first, stir at low speed for 1 minute, then add lubricant and antioxidant to the batching mixer, and mix at high speed for 1-2 minutes; mix the premixed The material is placed in a twin-screw and granulated by melt extrusion. The extrusion process is as follows: twin-screw machine temperature zone: first-stage temperature 280°C, second-stage temperature 290°C, third-stage temperature 290°C, fourth-stage temperature 295°C, fifth-stage temperature Temperature 300°C, head temperature 310°C; host frequency: 35Hz; feedin...

Embodiment 3

[0028] In this embodiment, the following components by weight percentage are used: polyphenylene sulfide resin 60.0%, high silica fiber 35%, powder rubber organic ultrafine particles 3%, borate coupling agent 1.0%, modified ethylene bismuth Fatty acid amide 0.5%, N,N'-1,6-hexylidene-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionamide 0.5%.

[0029] Add the phenylene sulfide resin, toughening agent and coupling agent to the batching mixer first, stir at low speed for 1 minute, then add lubricant and antioxidant to the batching mixer, and mix at high speed for 1-2 minutes; mix the premixed The material is placed in twin-screws and granulated by melt extrusion. The extrusion process is as follows: twin-screw machine temperature zone: first-stage temperature 275°C, second-stage temperature 285°C, third-stage temperature 285°C, fourth-stage temperature 290°C, fifth-stage temperature Temperature 295°C, head temperature 300°C; host frequency: 35Hz; feeding frequency: 11Hz; add glas...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
tensile strengthaaaaaaaaaa
impact strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to view more

Abstract

The invention provides an anti-cracking polyphenyl thioether composite material comprising the following components in percentage by weight: 50-70 percent of polyphenylene sulfide, 25-45 percent of fibre glass, 3-7 percent of toughener, 0.3-1.5 percent of coupling agent, 0.2-1.0 percent of lubricant and 0.2-1 percent of antioxidant. The invention also provides a preparation method of the composite material. The invention has the advantages that by a specific toughening system and a composite technology, the invention better maintains the mechanical property of the polyphenyl thioether composite material and greatly increases the anti-cracking toughness of the composite material at the same time, and otherwise, the anti-cracking polyphenyl thioether composite material has good melt liquidity and is easy to inject and mold.

Description

technical field [0001] The invention relates to a polyphenylene sulfide composite material and a preparation method thereof, in particular to a polyphenylene sulfide composite material which can be used for anti-cracking and a preparation method thereof, which can solve the problem of easy cracking at the thin-wall joints of porous connector parts question. Background technique [0002] Polyphenylene sulfide (PPS) has been widely used due to its high temperature resistance, corrosion resistance, high strength, high insulation and flame retardancy, and is the most industrialized material among high-performance engineering plastics. A large number of benzene rings on the main chain of PPS increase its rigidity, but its impact toughness is not high; and the glass transition temperature of the amorphous phase is low (Tg = 85 ° C), so that its application is limited, usually It is compounded with fiber to obtain higher strength and high temperature stability. PPS composite mater...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/00C08L51/06C08L81/02C08L23/08C08K7/14C08L21/00C08K13/04B29C47/92B29C48/92
CPCB29C48/04
Inventor 余雪江刘涛芦艾王宪忠孙素明朱敬芝
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap