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Thermosetting resin material for automotive relay shell and preparing method of thermosetting resin material

A technology of automotive relays and resin materials, applied in the field of resin materials, can solve the problems of low impact strength, poor insulation and corrosion resistance, etc., and achieve the effects of strong protection, good insulation stability and good corrosion resistance

Inactive Publication Date: 2017-04-19
宁波永的电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such as electromagnets, contactor coils, transformers, dry-type transformers and other high-voltage and low-voltage electrical appliances, the manufacture of integrally sealed insulating packages has developed rapidly in the electrical industry. However, epoxy materials traditionally used for electrical insulation, Poor corrosion resistance and low impact strength, so in order to continuously improve the protection of electronic appliances, it is necessary to study higher performance epoxy materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A thermosetting resin material for an automotive relay housing, which is composed of the following raw materials in parts by weight:

[0018] Epoxy resin E40 100, methyl hexahydrophthalic anhydride 10, trimellitate 3, polytetrahydrofuran ether glycol 2, potassium zirconium carbonate 10, ethoxylated alkylphenol ammonium sulfate 0.7, hexamethyl Cyclotrisiloxane 0.1, maleic anhydride 6, dicumyl peroxide 0.1, 3(trifluoromethyl)benzophenone 17, hydroquinone 2, 2-mercaptobenzimidazole 0.1, straw powder 3.

Embodiment 2

[0020] A thermosetting resin material for an automotive relay housing, which is composed of the following raw materials in parts by weight:

[0021] Epoxy resin E40 115, methyl hexahydrophthalic anhydride 11, trimellitate 3, polytetrahydrofuran ether glycol 2.5, potassium zirconium carbonate 11, ethoxylated alkylphenol ammonium sulfate 0.8, hexamethyl Cyclotrisiloxane 0.15, maleic anhydride 7, dicumyl peroxide 0.3, 3-(trifluoromethyl)benzophenone 18, hydroquinone 2.5, 2-mercaptobenzimidazole 0.3, straw Powder 3.5.

Embodiment 3

[0023] A thermosetting resin material for an automotive relay housing, which is composed of the following raw materials in parts by weight:

[0024] Epoxy resin E40 130, methyl hexahydrophthalic anhydride 12, trimellitate 4, polytetrahydrofuran ether glycol 3, potassium zirconium carbonate 12, ethoxylated alkylphenol ammonium sulfate 1, hexamethyl Cyclotrisiloxane 0.2, maleic anhydride 9, dicumyl peroxide 0.5, 3-(trifluoromethyl)benzophenone 20, hydroquinone 3, 2-mercaptobenzimidazole 0.4, straw Powder 4.

[0025] A preparation method of the thermosetting resin material for the automotive relay housing, comprising the following steps:

[0026] (1) Mix the above-mentioned potassium zirconium carbonate and straw powder, add it to a 65% sulfuric acid solution that is 24 times the weight of the mixture, stir evenly, filter, wash the precipitate twice with water, send it to an oven at 50°C, and dry it for 3 hour, the discharge is cooled to obtain a modified filler;

[0027] (2) ...

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PUM

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Abstract

The invention discloses a thermosetting resin material for an automotive relay shell. The thermosetting resin material is characterized in by comprising the following raw materials including, by weight, 100-130 parts of epoxy resin E40, 10-12 parts of methylhexahydrophthalic anhydride, 3-4 parts of trimellitate, 2-3 parts of PTMG, 10-12 parts of zirconium carbonate, 0.7-1 part of ethoxylated alkyl phenol ammonium sulfate, 0.1-0.2 part of hexamethyl cyclotrisiloxane, 6-9 parts of maleic anhydride, 0.1-0.5 part of dicumyl peroxide, 17-20 parts of 3-(trifluoromethyl) benzophenone, 2-3 parts of hydroquinone, 0.1-0.4 part of 2-thiol group truxene imidazole and 3-4 parts of straw powder. The resin material has very good toughness and impact resistance, and is high in surface intensity, waterproof, good in corrosion resistance, high in protectiveness on a relay and good in insulation stability; and according to the thermosetting resin material, an acid anhydride grafting reaction is adopted, so that the dispersibility of fillers between the resin is effectively improved, and the comprehensive performance of the finished product material is improved.

Description

technical field [0001] The invention relates to the technical field of resin materials, in particular to a thermosetting resin material for an automobile relay casing and a preparation method thereof. Background technique [0002] After curing, the thermosetting resin forms a network structure due to intermolecular crosslinking, so it has high rigidity, high hardness, high temperature resistance, non-flammability, and good dimensional stability of the product, but it is brittle. Therefore, before molding most thermosetting resins into products, various reinforcing materials, such as wood powder, mineral powder, fibers or textiles, are added to strengthen them to make reinforced plastics. In the thermosetting resin, adding reinforcing materials and other additives, such as curing agent, colorant, lubricant, etc., can be made into thermosetting plastics, some are powdery, granular, and some are made into lumps and flakes, collectively referred to as molding compounds. . Comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L97/02C08K13/06C08K9/02C08K9/04C08K3/26C08K5/5419
CPCC08L63/00C08L2203/20C08L2205/16C08L97/02C08K13/06C08K9/02C08K9/04C08K9/08C08K3/26C08K5/5419
Inventor 舒小强
Owner 宁波永的电子科技有限公司
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