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Novel flame-retardant epoxy potting resin and preparation method thereof

A new type of epoxy technology, which is applied in the field of new flame-retardant epoxy potting resin and its preparation, can solve the problem of less epoxy potting resin, achieve suitable viscosity, strong sealing performance, ensure moisture-heat performance and waterproof performance Effect

Pending Publication Date: 2022-06-21
镇江利德尔复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At this stage, there are more applications of epoxy potting resins, but there are fewer epoxy potting resins that are specially used in condensate pumps and meet the special environment in which they are used.

Method used

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  • Novel flame-retardant epoxy potting resin and preparation method thereof
  • Novel flame-retardant epoxy potting resin and preparation method thereof

Examples

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Effect test

preparation example Construction

[0031] The raw materials for the preparation of the A component, in parts by weight, include: 25-35 parts of epoxy resin, 20-35 parts of inorganic filler, 1-15 parts of diluent, and 1-5 parts of black paste;

[0032] The preparation raw materials of the B component include: a curing agent and an accelerator.

[0033] As a preferred embodiment, the raw materials for the preparation of the A component further include a silane coupling agent, a wetting and dispersing agent, a defoaming agent, a leveling agent, and a flame retardant.

[0034] As a preferred embodiment, the raw materials for the preparation of component A also include 0.1-1 part of silane coupling agent, 0.1-1 part of wetting and dispersing agent, 0.1-1 part of defoaming agent, and 0.1 part of leveling agent. -1 part, 20-30 parts of flame retardant.

[0035] As a preferred embodiment, the weight ratio of the wetting and dispersing agent, the defoaming agent, and the leveling agent is (1-2):(1.5-2.5):1.

[0036] A...

Embodiment 1

[0079] A new type of flame retardant epoxy potting resin comprises A component and B component; the weight ratio of A component and B component is 100:30.

[0080] The raw materials for the preparation of component A, in parts by weight, include: 25 parts of bisphenol A epoxy resin, 1 part of black paste, 0.1 part of silane coupling agent, 1 part of wetting and dispersing agent, 1 part of defoamer, 0.5 part of leveling agent, 20 parts of flame retardant, 20 parts of inorganic filler, 1 part of diluent.

[0081] The silane coupling agent is selected from KH560;

[0082] The wetting and dispersing agent is selected from BYK110;

[0083] Described defoamer is selected from BYK065;

[0084] Described leveling agent is selected from BYK320;

[0085] The flame retardant is selected from phosphorus-nitrogen flame retardants;

[0086] The inorganic filler is selected from aluminum hydroxide;

[0087] The diluent is selected from benzyl glycidyl ether, purchased from Suzhou Senfei...

Embodiment 2

[0099] A new type of flame retardant epoxy potting resin comprises A component and B component; the weight ratio of A component and B component is 100:30.

[0100] The raw materials for the preparation of component A, in parts by weight, include: 35 parts of bisphenol A epoxy resin, 5 parts of black paste, 1 part of silane coupling agent, 1 part of wetting and dispersing agent, 1 part of defoamer, 0.5 part of leveling agent, 30 parts of flame retardant, 30 parts of inorganic filler and 15 parts of thinner.

[0101] The silane coupling agent is selected from KH560;

[0102] The wetting and dispersing agent is selected from BYK110;

[0103] Described defoamer is selected from BYK065;

[0104] Described leveling agent is selected from BYK320;

[0105] The flame retardant is selected from phosphorus-nitrogen flame retardants;

[0106] Described inorganic filler is selected from silica;

[0107] The diluent is selected from benzyl glycidyl ether, purchased from Suzhou Senfeida...

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Abstract

The invention belongs to the technical field of epoxy resin, and particularly relates to novel flame-retardant epoxy potting resin and a preparation method thereof. The novel flame-retardant epoxy potting resin comprises a component A and a component B, the weight ratio of the component A to the component B is 100: (20-50). The epoxy encapsulating resin prepared by the invention can meet the condition that no defoaming equipment exists in the preparation process, is appropriate in viscosity and good in fluidity, avoids the precipitation of inactive substances in the use process, and has durability; according to the epoxy potting resin prepared by the invention, the heat resistance of the epoxy potting resin is changed by adding the filler, and when the epoxy potting resin is used in the system, the influence on the flexibility of the epoxy potting resin caused by adding the filler can be avoided.

Description

technical field [0001] The invention belongs to the technical field of epoxy resins, and more particularly relates to a novel flame-retardant epoxy potting resin and a preparation method thereof. Background technique [0002] At present, in various fields such as home appliances, automobiles, rail transit, semiconductors, etc., epoxy resins are widely used due to their excellent electrical properties and thermal stability. Among them, the condensate pump has high requirements for materials in terms of waterproof, dustproof, especially fireproof due to its specific use environment. In order to ensure its normal use, it often needs to have good heat resistance and low temperature resistance. Cracks, peeling and other phenomena that may occur when the condensate pump is used. [0003] At this stage, there are many applications of epoxy potting resins, but there are few epoxy potting resins that are specially used in condensate pumps and meet the special environment of their us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/02C08K13/02C08K3/016C08K5/00
CPCC08L63/00C08L2201/02C08L2201/08C08L101/00C08K13/02C08K3/016C08K5/0066
Inventor 谢富平陆璐侃
Owner 镇江利德尔复合材料有限公司
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