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High-temperature-resistance hydrolysis-resistance deformation-resistance polyphenyl ether composite material and preparation method thereof

A composite material and polyphenylene ether technology, which is applied in the field of polymer composite material preparation, can solve the problems of harsh processing technology, poor solution fluidity, and high molding temperature, and achieves low operating cost, simple preparation method, and wide application range. Effect

Inactive Publication Date: 2018-02-23
江门市荣龙新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, polyphenylene ether also has certain disadvantages, such as poor melt fluidity, high molding temperature, relatively harsh processing technology requirements, high temperature resistance and hydrolysis resistance need to be improved, so it is necessary to modify polyphenylene ether according to actual applications , to improve its shortcomings and make full use of its advantages, so as to prepare polyphenylene ether composite materials with excellent wear resistance, high temperature resistance, hydrolysis resistance and deformation resistance, so as to expand the application of polyphenylene ether in various fields

Method used

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  • High-temperature-resistance hydrolysis-resistance deformation-resistance polyphenyl ether composite material and preparation method thereof

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Effect test

Embodiment 1

[0022] A polyphenylene ether composite material with high temperature resistance, hydrolysis resistance and deformation resistance, comprising the following components in weight percentage: 58% polyphenylene ether with a weight average molecular weight of 30000g / mol, 23% modified polystyrene, 13% styrene-mass Anhydride copolymer, 2.5% polycarbodiimide UN-03, 1% 2-mercaptobenzimidazole, 1% antioxidant 1098 and 1.5% magnesium stearate.

[0023] A method for preparing a high-temperature-resistant, hydrolysis-resistant and deformation-resistant polyphenylene ether composite material, comprising the following steps:

[0024] 1) Dry each component at 90°C for 15 hours to make the moisture content less than 0.5%;

[0025] 2) Put the dried components in a high-speed mixer with a rotation speed of 8000rmin and mix them for 60 minutes, so that the components are fully mixed and even;

[0026] 3) Add the mixed components into a twin-screw extruder, extrude and granulate.

[0027] The p...

Embodiment 2

[0029] A polyphenylene ether composite material with high temperature resistance, hydrolysis resistance and deformation resistance, comprising the following components in weight percentage: 68.6% polyphenylene ether with a weight average molecular weight of 35000g / mol, 16% modified polystyrene, 12% polyethylene octene Copolymerized elastomer-maleic anhydride copolymer, 1% polycarbodiimide UN-03, 0.8% cuprous iodide, 0.6% mixture of antioxidant 1010 and antioxidant 168 (mass ratio 1:1), 1% Calcium stearate.

[0030] A method for preparing a high-temperature-resistant, hydrolysis-resistant and deformation-resistant polyphenylene ether composite material, comprising the following steps:

[0031] 1) Dry each component at 110°C for 6 hours to make the moisture content less than 0.5%;

[0032] 2) Put the dried components in a high-speed mixer with a rotation speed of 12000rmin and mix for 30 minutes to fully mix the components;

[0033] 3) Add the mixed components into a twin-scre...

Embodiment 3

[0036] A polyphenylene ether composite material with high temperature resistance, hydrolysis resistance and deformation resistance, comprising the following components in weight percentage: 70% polyphenylene ether with a weight average molecular weight of 45000g / mol, 20% modified polystyrene, 8% polystyrene- Ethylene-butylene-polystyrene-maleic anhydride copolymer, 1% polycarbodiimide UN-03, 0.3% 2-mercaptobenzimidazole, 0.2% antioxidant 1098, 0.5% stearic acid amide .

[0037] A method for preparing a high-temperature-resistant, hydrolysis-resistant and deformation-resistant polyphenylene ether composite material, comprising the following steps:

[0038] 1) Dry each component at 100°C for 12 hours to make the moisture content less than 0.5%;

[0039] 2) Put the dried components in a high-speed mixer with a rotation speed of 10000rmin and mix for 40 minutes, so that the components are fully mixed and even;

[0040] 3) Add the mixed components into a twin-screw extruder, extr...

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Abstract

The invention discloses a high-temperature-resistance hydrolysis-resistance deformation-resistance polyphenyl ether composite material which is prepared from the following ingredients in weight percentage: 55 to 85% of polyphenyl ether, 8 to 25% of modified polystyrene, 3 to 15% of toughening compatilizer, 0.2 to 2.5% of hydrolysis-resistance stabilizer, 0.1 to 1% thermal stabilizer, 0.1 to 1% ofantioxidant and 0.2 to 1.5% of lubricating dispersant. According to the high-temperature-resistance hydrolysis-resistance deformation-resistance polyphenyl ether composite material, the toughening compatilizer, the thermal stabilizer and the hydrolysis-resistance stabilizer are added to prepare the polyphenyl ether composite material with the polyphenyl ether. The prepared polyphenyl ether composite material has the advantages of high temperature resistance, wear resistance, hydrolysis resistance and deformation resistance, the polyphenyl ether with a weight-average molecular weight as 30000 to 70000g / mol is added, good thermal resistance and electrical performance are provided, an application range is wide, the application range of the polyphenyl ether composite material is widened, and apreparation method has the advantages of simpleness, easiness in achieving and low operation cost.

Description

technical field [0001] The invention relates to the technical field of polymer composite material preparation, and more specifically relates to a high-temperature-resistant, hydrolysis-resistant, and deformation-resistant polyphenylene ether composite material and a preparation method thereof. Background technique [0002] Polyphenylene ether (PPO) is a thermoplastic engineering plastic, which has the advantages of high rigidity, high heat resistance, non-flammability, low density, low water absorption, high strength, and excellent electrical properties. Non-toxic, pollution-resistant and other advantages, its dielectric constant and dielectric loss are one of the smallest varieties in engineering plastics. In addition, polyphenylene ether has good mechanical and electrical properties in a wide range, high glass transition temperature, excellent high temperature creep resistance, small molding shrinkage and thermal expansion coefficient, and excellent acid and alkali resista...

Claims

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Application Information

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IPC IPC(8): C08L71/12C08L25/06C08L35/06C08L51/04C08L51/06C08L79/00B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08L71/12C08L2201/08C08L2205/035C08L25/06C08L35/06C08L79/00C08L51/06C08L51/04
Inventor 梁生
Owner 江门市荣龙新材料科技有限公司