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Liquid crystal polymer/ semi-aromatic nylon alloy material and preparation method thereof

A semi-aromatic nylon, liquid crystal polymer technology, applied in the field of engineering plastics, can solve the problems of poor strength, rigidity, heat resistance, poor fluidity, etc., and achieve improved mechanical and thermal properties, improved dispersion effect, and low cost. Effect

Inactive Publication Date: 2014-05-21
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first purpose of the present invention is to provide a liquid crystal polymer / semiaromatic nylon alloy material, which has the advantages of high strength, high stiffness, good heat resistance and excellent chemical stability, so as to solve the problem of semiaromatic nylon in the prior art. Nylon resin has the disadvantages of being hard and brittle and has poor fluidity, and liquid crystal polymers have the disadvantages of poor strength, rigidity, and heat resistance

Method used

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  • Liquid crystal polymer/ semi-aromatic nylon alloy material and preparation method thereof

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Effect test

Embodiment 1

[0036] The liquid crystal polymer / semi-aromatic nylon alloy material of the present embodiment is made of raw material components comprising the following parts by weight: 45 parts of semi-aromatic nylon PA10T, 20 parts of liquid crystal polymer C130, and 0.5 parts of compatibilizer maleic anhydride , 45 parts of alkali-free glass fiber 568H, 1 part of calcium stearate lubricant, 0.5 part of processing aid, wherein the processing aid includes antioxidant and filler, and the antioxidant is tetrakis [β-(3,5-di tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, that is, antioxidant 1010, the filler is heavy barium sulfate, and the weight ratio of the two is 1:1.

[0037] The preparation method of the liquid crystal polymer / semi-aromatic nylon alloy material in this embodiment:

[0038] (1) Vacuum dry the above semi-aromatic nylon PA10T and liquid crystal polymer C130 at 120°C and 130°C for 8 hours respectively;

[0039] Calcium stearate, antioxidant 1010, and heavy b...

Embodiment 2

[0045] The liquid crystal polymer / semi-aromatic nylon alloy material of the present embodiment is made of raw material components comprising the following parts by weight: 50 parts of semi-aromatic nylon PA10T, 15 parts of liquid crystal polymer C130, and 0.5 parts of compatibilizer maleic anhydride , 40 parts of alkali-free glass fiber 568H, 1 part of calcium stearate lubricant, 0.5 part of processing aid, wherein the processing aid includes antioxidant and filler, and the antioxidant is tetrakis [β-(3,5-di tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, that is, antioxidant 1010, the filler is heavy barium sulfate, and the weight ratio of the two is 1:1.

[0046] The preparation method of the liquid crystal polymer / semi-aromatic nylon alloy material in this embodiment:

[0047] (1) Vacuum dry the above semi-aromatic nylon PA10T / liquid crystal polymer C130 at 120°C and 130°C for 8 hours;

[0048] Calcium stearate, antioxidant 1010, and heavy barium sulfate wer...

Embodiment 3

[0054] The liquid crystal polymer / semi-aromatic nylon alloy material of the present embodiment is made of the raw material components comprising the following parts by weight: 55 parts of semi-aromatic nylon PA10T, 10 parts of liquid crystal polymer C130, 0.5 part of compatibilizer maleic anhydride , 35 parts of alkali-free glass fiber 568H, 1 part of calcium stearate lubricant, 0.5 part of processing aid, wherein the processing aid includes antioxidant and filler, and the antioxidant is tetrakis[β-(3,5-di tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, that is, antioxidant 1010, the filler is heavy barium sulfate, and the weight ratio of the two is 1:1.

[0055] The preparation method of the liquid crystal polymer / semi-aromatic nylon alloy material in this embodiment:

[0056] (1) Vacuum dry the above semi-aromatic nylon PA10T / liquid crystal polymer C130 at 120°C and 130°C for 8 hours;

[0057] Calcium stearate, antioxidant 1010, and heavy barium sulfate were ...

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Abstract

The invention discloses a liquid crystal polymer / semi-aromatic nylon alloy material and a preparation method thereof. The alloy material is prepared through the raw materials of semi-aromatic nylon, a liquid crystal polymer, a compatilizer, a filling reinforcing agent, a lubricating agent and other processing aids. The preparation method comprises the following steps of: (1) respectively drying the semi-aromatic nylon and the liquid crystal polymer, uniformly mixing the lubricating agent with the processing aids, and drying; (2) adding all raw materials processed in step (1), mixing in a high-speed mixer at a high speed, then adding the compatilizer, and uniformly mixing; and (3) adding the filling reinforcing agent to the materials mixed in step (2), performing melt extrusion through a twin-screw extruder, and then pelletizing. The liquid crystal polymer / semi-aromatic nylon alloy material has the advantages of high strength, high rigidity and resistance to high temperature; and the preparation method is simple in process, low in cost and high in economic benefit.

Description

technical field [0001] The invention relates to the technical field of engineering plastics, in particular to a liquid crystal polymer / semi-aromatic nylon alloy material and a preparation method thereof. Background technique [0002] Semi-aromatic nylon is prepared by polycondensation of aliphatic diamine or diacid and diacid or diamine with aromatic ring. It is a kind of aromatic nylon, which is due to the introduction of aromatic ring structure , so that the heat resistance and mechanical properties of nylon products have been greatly improved, while the water absorption rate has also been reduced to varying degrees, and has a high cost performance; but it is also hard and brittle, and the fluidity is poor. The processing difficulty and other disadvantages. [0003] Liquid crystal polymer (LCP) is a crystalline material in the molten state, which has very good fluidity, chemical stability, electrical insulation properties and high mechanical strength, but liquid crystal p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L101/12C08K13/06C08K9/00C08K7/14C08K5/092C08K5/1539C08K5/1515C08K3/34C08K3/30C08K3/26C08K3/36B29B7/00B29C47/92B29C48/92
CPCB29B7/00B29C48/92B29C2948/9258B29C2948/92704C08L77/06C08L2205/03C08L2205/035C08L2205/08C08L101/12C08K13/06C08K9/00C08K7/14B29C48/40B29C2948/9259B29C2948/92885B29C2948/92895
Inventor 李宗仁
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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