Liquid crystal polyester resin composite and preparation method and application thereof

A technology of resin composite and liquid crystal polyester, which is applied in the field of liquid crystal polyester resin composite and its preparation, can solve the problems of the prepared products such as the performance decline of electronic components, high surface resistivity, easy accumulation, etc., and achieve excellent mechanical strength and The effect of workability, low surface resistivity and stable performance

Inactive Publication Date: 2017-08-08
JIANGSU WATER SPECIAL MATERIAL MFG CO LTD
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a liquid crystal polyester resin compound and its preparation method and application, so as to solve the problem that the existing liquid crystal polyester resin is very easy to accumulate charges due to its high surface resistivity. Technical problems that lead to performance degradation or even destruction of its manufactured products such as electronic components

Method used

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  • Liquid crystal polyester resin composite and preparation method and application thereof
  • Liquid crystal polyester resin composite and preparation method and application thereof
  • Liquid crystal polyester resin composite and preparation method and application thereof

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preparation example Construction

[0038] On the other hand, the embodiment of the present invention provides a preparation method of the liquid crystal polyester resin compound in the above embodiment. In one embodiment, the preparation method of the liquid crystal polyester resin compound includes the following steps:

[0039] Step S01: weighing the raw materials of each component according to the type and content of the components contained in the liquid crystal polyester resin compound described above;

[0040] Step S02: melt, knead and extrude the weighed raw materials of each component.

[0041]Wherein, the content of each component weighed in the above step S01 and the selected components are the same as those described above in the liquid crystal polyester resin compound, and will not be repeated here in order to save space.

[0042] In the above step S02, the raw materials of each component are fully dispersed and interact with each other under the action of high pressure and high heat of melt kneadin...

Embodiment 1

[0050] This embodiment provides a liquid crystal polyester resin compound and a preparation method thereof. The liquid crystal polyester resin compound includes components and contents in parts by weight in Table 1 below. in,

[0051] The average molecular weight of liquid crystal polyester resin is 50000, the size of talc powder is 300 mesh, the size of carbon fiber is 4mm in length, and the volume resistivity is 1.0×10 -3 Ω·cm, the size of carbon nanotubes is 5-15nm in diameter, 30-0μm in length, and the volume resistivity is (1.0-1.5)×10 -1 Ω·cm.

[0052] The preparation method of liquid crystal polyester resin compound is as follows:

[0053] S11. Preparation of liquid crystal polyester resin: the structural units of the resin are p-hydroxybenzoic acid, terephthalic acid, biphenol, 6-hydroxy-2-naphthoic acid and isophthalic acid, and the acetylating agent is acetic anhydride;

[0054] S12. According to the parts by weight described in Example 1 in Table 1, 70 parts of ...

Embodiment 2

[0057] This embodiment provides a liquid crystal polyester resin compound and a preparation method thereof. The liquid crystal polyester resin compound includes components and contents in parts by weight in Table 1 below. in,

[0058] The average molecular weight of liquid crystal polyester resin is 50000, the size of talc powder is 300 mesh, the size of carbon fiber is 4mm in length, and the volume resistivity is 1.0×10 -3 Ω·cm.

[0059] The preparation method of liquid crystal polyester resin compound is as follows:

[0060] S21. Preparation of liquid crystal polyester resin: the structural units of the resin are p-hydroxybenzoic acid, terephthalic acid, biphenol, 6-hydroxy-2-naphthoic acid and isophthalic acid, and the acetylating agent is acetic anhydride;

[0061] S22. According to the parts by weight described in Example 2 in Table 1, 70 parts of liquid crystal polyester resin (full aromatic liquid crystal polyester resin, Jiangsu Water Special Material Manufacturing ...

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Abstract

The invention discloses a liquid crystal polyester resin compound and a preparation method and application thereof. The liquid crystal polyester resin compound comprises components of the following components by weight: 60-80 parts of liquid crystal polyester resin, 15-35 parts of a filler, 0-20 parts of carbon fiber and 0-5 parts of carbon nanotubes. The liquid crystal polyester resin compound uses the liquid crystal polyester resin as a base resin component, the carbon fiber and the carbon nanotubes and the like are used for modifying the liquid crystal polyester resin, so that the surface resistivity of the liquid crystal polyester resin compound is low, the liquid crystal polyester resin compound has excellent mechanical strength and excellent processability, the preparation process is easy to control, a prepared material has stable properties, and the production cost can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to a liquid crystal polyester resin composite and its preparation method and application. Background technique [0002] Liquid crystal polyester resin (LCP) is widely used in the fields of electronics, electricity, automobiles, and aerospace due to its excellent flow properties, electrical insulation properties, heat resistance, and dimensional stability. It can also be used in printed circuit boards, food packaging, satellite electronic components, electrical and electronic and automotive components, and even as spacecraft component materials. Among the many application fields of LCP, one of the most important and widely used fields is as electronic and electrical components. Due to the excellent flow properties, heat resistance and dimensional stability of LCP materials, it can be used to make precision electronic components, but liquid crystal Pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/00C08K7/24C08K7/06C08K3/34
CPCC08K7/24C08K3/34C08K7/06C08L2203/20
Inventor 金东植杨云飞周小宇高海燕
Owner JIANGSU WATER SPECIAL MATERIAL MFG CO LTD
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