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Vehicle capacitor epoxy resin adhesive and preparation method thereof

A technology of epoxy resin and adhesive, which is applied in the direction of epoxy resin glue, adhesive, adhesive type, etc., can solve the problems that the performance and quality cannot fully meet the requirements, achieve low linear expansion coefficient, accelerate the improvement of technology, and optimize Effect of Crack Resistance

Active Publication Date: 2016-12-21
宜兴市普利泰电子材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, only a very small number of enterprises at home and abroad can produce this product, but the performance and quality cannot fully meet the requirements

Method used

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  • Vehicle capacitor epoxy resin adhesive and preparation method thereof
  • Vehicle capacitor epoxy resin adhesive and preparation method thereof

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Experimental program
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Embodiment 1

[0044] Weigh each component according to the following parts by mass, component A: 20 parts by mass of 128 epoxy resin (E-51), 10 parts by mass of bis((3,4-epoxycyclohexyl)methyl) adipate, 8 parts by mass of poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-(hydroxymethyl)-1,3-propanediol ether, 25 parts by mass of 20 μm spherical silica powder Parts, 30 parts by mass of 27 μm spherical silica powder, 0.5 parts by mass of liquid rheological additives for solvent-based and solvent-free coatings (German BYK-410 anti-settling agent), 2 parts by mass of nano-sized boron nitride, silicone defoaming agent 0.1 parts by mass of agent, 0.2 parts by mass of silane coupling agent (560), 1.2 parts by mass of color paste milled from carbon black and low-halogen epoxy resin (E-51), Qishi toughener (QS-VE ) 3 mass parts, 678 active epoxy resin thinner (neopentyl glycol diglycidyl ether) 3 mass parts, flame retardant (red phosphorus) 3 mass parts;

[0045]Component B: 20 ​​parts by mass of me...

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Abstract

The invention discloses a vehicle capacitor epoxy resin adhesive and a preparation method thereof. The epoxy resin adhesive comprises a component A and a component B according to a mass ratio of the component A to the component B of 100:90-100, wherein the component A comprises a low-halogen epoxy resin, a special epoxy resin, an alicyclic epoxy resin, 25-30 parts by mass of 20 [mu]m spherical silicon micro-powder, 27 [mu]m spherical silicon micro-powder, an anti-settling agent, nano-scale boron nitride, a defoamer, a coupling agent, a pigment paste, 3-5 parts by mass of a toughener, a diluent agent and a flame retardant agent, and the component B comprises methylhexahydrophthalic anhydride, Nadic anhydride, 20 [mu]m spherical silicon micro-powder, 27 [mu]m spherical silicon micro-powder, 2-hexyl-4-methylimidazole, an antioxidant, and 1 [mu]m aluminum hydroxide. According to the present invention, the adhesive has the good performance, and the preparation method has characteristics of simpleness and clear steps, the reaction conditions are easy to meet, and the operation is easy.

Description

technical field [0001] The invention belongs to the field of potting adhesive materials, and relates to an epoxy resin adhesive for automobile capacitors and a preparation method thereof. Background technique [0002] At present, the annual production capacity of domestic new energy vehicles is about 200,000 vehicles, and it is expected to reach an annual production capacity of more than 3 million vehicles by 2020. With the rapid economic development and continuous improvement of new energy technologies, the global automobile industry structure is facing the fourth round of restructuring, and automobile products will move towards safety, energy saving and environmental protection. [0003] Capacitors are the main components of new energy vehicles, and their consumption will continue to increase, as will the use of epoxy potting adhesives for automotive capacitors. Special attention is also paid to the performance and quality of the potting adhesives. This product should be ...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J11/04C09J11/06
CPCC08K2201/011C08K2201/014C08L2203/206C08L2205/025C08L2205/035C09J11/04C09J11/06C09J163/00C08L63/00C08K13/02C08K3/36C08K2003/385C08K2003/2227C08K5/3445
Inventor 顾铖庄雪峰蒋寅
Owner 宜兴市普利泰电子材料有限公司
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