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A high-efficiency flame-retardant alicyclic epoxy resin castable for outdoor insulators

An epoxy resin, alicyclic technology, applied in plastic/resin/wax insulators, organic insulators, etc., can solve the problems of low oxygen index of alicyclic epoxy resin, limit the application in the field of high voltage insulation, etc., to achieve flame retardant performance Improved, good outdoor weather resistance, excellent heat resistance effect

Active Publication Date: 2022-03-11
浙江茵科贝森科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, cycloaliphatic epoxy resin has a low oxygen index (LOI) and is a flammable material, which limits its application in the field of high voltage insulation

Method used

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  • A high-efficiency flame-retardant alicyclic epoxy resin castable for outdoor insulators
  • A high-efficiency flame-retardant alicyclic epoxy resin castable for outdoor insulators
  • A high-efficiency flame-retardant alicyclic epoxy resin castable for outdoor insulators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A high-efficiency flame-retardant cycloaliphatic epoxy resin castable for outdoor insulators, comprising the following components, all parts are by weight:

[0036]

[0037] The preparation method of the castable of the present embodiment comprises the following steps:

[0038] (1) Take each component raw material in proportion;

[0039] (2) After alicyclic glycidyl type epoxy resin and methyltetrahydrophthalic anhydride are stirred evenly, flame retardant, aluminum hydroxide and color paste are added to stir evenly, amine accelerator is added, and stirring is continued to obtain the high-efficiency Flame retardant cycloaliphatic epoxy castable for outdoor insulators.

Embodiment 2

[0041] A high-efficiency flame-retardant cycloaliphatic epoxy resin castable for outdoor insulators, comprising the following components, all parts are by weight:

[0042]

[0043]

[0044] The preparation method of the castable of the present embodiment comprises the following steps:

[0045] (1) Take each component raw material in proportion;

[0046] (2) After alicyclic glycidyl epoxy resin and methyltetrahydrophthalic anhydride are stirred evenly, flame retardants, fillers and colorants are added to stir evenly, amine accelerators are added, and stirring is continued to obtain the high-efficiency flame-retardant Cycloaliphatic epoxy resin castable for outdoor insulators.

Embodiment 3

[0048] A high-efficiency flame-retardant cycloaliphatic epoxy resin castable for outdoor insulators, comprising the following components, all parts are by weight:

[0049]

[0050] The weight ratio of 2,4,6-tribromoaniline to antimony trioxide is 2.2:1.

[0051] The preparation method of the castable of the present embodiment comprises the following steps:

[0052] (1) Take each component raw material in proportion;

[0053] (2) After alicyclic glycidyl type epoxy resin and methyltetrahydrophthalic anhydride are stirred evenly, flame retardant, aluminum hydroxide and color paste are added to stir evenly, amine accelerator is added, and stirring is continued to obtain the high-efficiency Flame retardant cycloaliphatic epoxy castable for outdoor insulators.

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PUM

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Abstract

The invention discloses a high-efficiency flame-retardant alicyclic epoxy resin casting material for outdoor insulators. The casting material includes the following components: 100-200 parts of cycloaliphatic epoxy resin, 50-200 parts of curing agent, 0.1-50 parts of accelerator, 1-50 parts of flame retardant and 50-500 parts of filler, wherein, All parts are by weight, and the flame retardant is at least one of 2,4,6-tribromoaniline and antimony trioxide. In the present invention, by optimizing the type of flame retardant and the dosage ratio of each component, the prepared insulator castable has good outdoor weather resistance, heat resistance, insulation, mechanical properties and flame retardancy.

Description

technical field [0001] The invention relates to the technical field of outdoor high-voltage insulating materials, in particular to a high-efficiency flame-retardant alicyclic epoxy resin castable for outdoor insulators. Background technique [0002] Insulators are widely used insulation equipment in transmission and distribution networks. Although the cost is low and the structure is simple, they play an indispensable role in the stable and safe operation of the entire power system. The failure of any one of the insulators may cause a safety accident of the entire power system. [0003] So far, insulators widely used in power systems mainly include porcelain insulators, glass insulators and silicone rubber composite insulators. Porcelain glass insulators have excellent mechanical properties and strong aging resistance, but the related electrical properties are poor and the weight is heavy. Silicone rubber composite insulators have excellent electrical properties, but poor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08K3/22C08K5/18C08K3/02H01B3/40
CPCC08K3/22C08K5/18C08K3/2279C08K3/02H01B3/40C08K2003/2227C08L2201/08C08L2201/02C08L63/00
Inventor 张一丁刘雨丹吴雯丽
Owner 浙江茵科贝森科技有限公司
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