PA6/PC/ PBT ternary alloy material and preparation method thereof

A ternary alloy and raw material technology, which is applied in the field of PA6/PC/PBT ternary alloy materials and its preparation, can solve the problems of impact strength, toughness, heat resistance, low processing performance, poor processing fluidity of polycarbonate, polycarbonate Carbonate application limitations and other issues, to achieve good processing performance, solve the effects of poor processing fluidity and low cost

Active Publication Date: 2017-11-21
广东壹豪新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polycarbonate (PC) has good mechanical strength, impact resistance and dimensional stability, but polycarbonate has poor processing fluidity, poor chemical resistance, and is prone to stress cracking, so polycarbonate is subject to greater application restrictions
However, PC is modified by mixing resin plastics such as PP and PET with PC, but the compatibility of mixing PC with PP and PET is poor, and a large amount of compatibilizer or toughening agent needs to be added to improve the stability of PC. Comprehensive performance increases the production cost, and the impact strength, toughness, heat resistance, processing performance and other properties are low, which cannot meet the needs of electronic appliances, medical equipment, mechanical equipment and other fields

Method used

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  • PA6/PC/ PBT ternary alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A PA6 / PC / PBT ternary alloy material, the ternary alloy material includes the following raw materials in parts by weight:

[0036] PA6 resin 80 parts

[0037] 10 parts polycarbonate

[0038] 10 parts polybutylene terephthalate

[0039] 5 parts glass fiber

[0040] Compatibilizer 2 parts

[0041] Antioxidant 0.1 parts

[0042] Lubricant 0.1 part.

[0043] The molecular weight of the PA6 resin is 3000, and the characteristic density is 1.1435g / cm 3 .

[0044] The characteristic density of the polycarbonate is 1.1823g / cm 3 , the linear expansion rate is 3.2×10 -5 cm / °C.

[0045] The polybutylene terephthalate has a molecular weight of 8000 and a degree of polymerization of 400.

[0046] The compatibilizer is imide modified acrylate.

[0047] The antioxidant is 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane.

[0048] The lubricant is silicone powder.

[0049] A preparation method of the above-mentioned PA6 / PC / PBT ternary alloy material, comprising the s...

Embodiment 2

[0053] A PA6 / PC / PBT ternary alloy material, the ternary alloy material includes the following raw materials in parts by weight:

[0054] PA6 resin 65 parts

[0055] polycarbonate 25 parts

[0056] Polybutylene terephthalate 15 parts

[0057] 11 parts glass fiber

[0058] Compatibilizer 5 parts

[0059] Antioxidant 0.3 parts

[0060] Lubricant 0.3 parts.

[0061] The molecular weight of the PA6 resin is 6000, and the characteristic density is 1.1453g / cm 3 .

[0062] The characteristic density of the polycarbonate is 1.1913g / cm 3 , the linear expansion rate is 3.6×10 -5 cm / °C.

[0063] The polybutylene terephthalate has a molecular weight of 160,000 and a degree of polymerization of 340.

[0064] The compatibilizer is maleic anhydride grafted polyolefin.

[0065] The antioxidant is 1,3,5-tris(3,5-di-tert-butyl-4-hydroxyphenyl) isocyanate.

[0066] The lubricant is simethicone.

[0067] A preparation method of the above-mentioned PA6 / PC / PBT ternary alloy material, co...

Embodiment 3

[0071] A PA6 / PC / PBT ternary alloy material, the ternary alloy material includes the following raw materials in parts by weight:

[0072] PA6 resin 50 parts

[0073] Polycarbonate 40 parts

[0074] Polybutylene terephthalate 20 parts

[0075] 17 parts glass fiber

[0076] Compatibilizer 8 parts

[0077] Antioxidant 0.5 parts

[0078] Lubricant 0.5 parts.

[0079] The molecular weight of the PA6 resin is 9000, and the characteristic density is 1.1471g / cm 3 .

[0080] The characteristic density of the polycarbonate is 1.2003g / cm 3 , the linear expansion rate is 3.9×10 -5 cm / °C.

[0081] The polybutylene terephthalate has a molecular weight of 24000 and a degree of polymerization of 280.

[0082] The compatibilizer is at least one of hydrogenated styrene-butadiene-styrene copolymer grafted glycidyl methacrylate and m-isopropenyl-2,2-dimethylbenzoyl isocyanate.

[0083] The antioxidant is pentaerythritol bis-diphosphite bis(2,4-di-tert-butylphenyl) ester.

[0084] The l...

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Abstract

The invention relates to the technical field of polymer materials, in particular to a PA6 / PC / PBT ternary alloy material and a preparation method of the PA6 / PC / PBT ternary alloy material. The ternary alloy material comprises the following raw materials in parts by weight: 20 to 80 parts of PA6 resin, 10 to 70 parts of PC, 10 to 30 parts of polybutylene terephthalate, 5 to 30 parts of glass fibers, 2 to 15 parts of compatibilizers, 0.1 to 1 part of an antioxidant and 0.1 to 1 part of a lubricant. The PA6 / PC / PBT ternary alloy material disclosed by the invention has high performances of toughness, dimensional stability, corrosion resistance, stress cracking resistance, oil resistance, mechanical strength and the like, and is high in molding performance, excellent in processability, low in cost and high in use value, and the preparation method is simple, convenient to operate and control, stable in quality, high in production efficiency, low in production cost and suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a PA6 / PC / PBT ternary alloy material and a preparation method thereof. Background technique [0002] Polycarbonate (PC) has good mechanical strength, impact resistance and dimensional stability, but polycarbonate has poor processing fluidity, poor chemical resistance, and is prone to stress cracking, so polycarbonate is subject to relatively large application restrictions. However, PC is modified by mixing resin plastics such as PP and PET with PC, but the compatibility of mixing PC with PP and PET is poor, and a large amount of compatibilizer or toughening agent needs to be added to improve the performance of PC. The overall performance increases the production cost, and the impact strength, toughness, heat resistance, processing performance and other properties are low, which cannot meet the needs of electronic appliances, medical equipment, mechanical equipment and ot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L69/00C08L67/02C08L51/06C08L51/00C08L83/04C08L23/06C08K13/04C08K7/14C08K5/20C08K5/526C08K5/29B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704C08K2201/014C08L69/00C08L77/02C08L2201/08C08L2205/035C08L2205/08C08L67/02C08L83/04C08K7/14C08K5/13C08L51/06C08K5/29C08L51/006C08K13/04C08K5/20C08K5/526C08L23/06C08L51/003C08K5/523
Inventor 张工厂
Owner 广东壹豪新材料科技股份有限公司
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