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Nanometer graphene ultraviolet light-moisture curing composition and preparation method thereof

A nano-graphene and moisture curing technology, which is applied in the field of electronic component material engineering, can solve the problem that thermally conductive resins cannot meet the heat dissipation requirements of high-power electronic equipment, and achieve excellent heat dissipation, fast curing speed, and excellent thermal conductivity.

Inactive Publication Date: 2020-06-19
苏州恩多科石墨烯科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to address the problem that traditional thermally conductive resins cannot meet the heat dissipation requirements of high-power electronic equipment, and provide a nano-graphene UV-moisture curing composition and its preparation method

Method used

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preparation example Construction

[0040] The preparation method of described nano-graphene ultraviolet-moisture curing composition comprises the following steps:

[0041] (1) Accurately weigh various raw materials according to the formula ratio;

[0042] (2) Add acrylic resin, ethyl isocyanate acrylate, isocyanate silane, acrylic monomer, photoinitiator, nano-graphene, and additives into the reaction kettle in sequence, fill with nitrogen to protect and stir, and discharge after stirring evenly ;

[0043] (3) The obtained nano-graphene UV-moisture curing composition is stored in vacuum packaging.

Embodiment 1

[0046] Hyperbranched oligomer 48 parts

[0047] 16 parts ethyl isocyanate acrylate

[0048] Isocyanatopropylmethyldimethoxysilane 4 parts

[0049] 23 parts of isononyl acrylate

[0050] Camphorquinone 1 part

[0051] Nano graphene 7 parts

[0052] 1 part spherical silica

[0053] Preparation:

[0054] Accurately weigh various raw materials according to the proportion of the formula. Spherical silicon dioxide is added into the reaction kettle in turn, filled with nitrogen to protect and stir, and the material is discharged after stirring evenly. Store in vacuum pack.

Embodiment 2

[0056] Polybutadiene urethane acrylate 20 parts

[0057] Hydrophobic urethane acrylate 15 parts

[0058] Hyperbranched Oligomer 15

[0059] Ethyl isocyanate acrylate 10 parts

[0060] 1 part trimethoxysilylpropyl isocyanurate

[0061] Acrylic polydibutylene 10 parts

[0062] Tricyclodecane dimethanol diacrylate 12 parts

[0063] Methyl benzoylformate 2 parts

[0064] Nano graphene 13 parts

[0065] 2 parts organic bentonite

[0066] Preparation:

[0067] Accurately weigh various raw materials according to the formula ratio, first polybutadiene urethane acrylate, hydrophobic urethane acrylate, hyperbranched oligomer, ethyl isocyanate acrylate, trimethoxysilylpropyl Acrylate, polydibutylene acrylate, tricyclodecane dimethanol diacrylate, methyl benzoylformate, nano-graphene, and organic bentonite were added to the reaction kettle in sequence, filled with nitrogen to protect and stir, and discharged after stirring evenly. Store in vacuum pack.

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Abstract

The invention relates to a nano graphene ultraviolet light-moisture curing composition and a preparation method thereof, wherein the composition is prepared from an acrylic resin, ethyl isocyanate acrylate, isocyanate silane, an acrylic monomer, a photoinitiator, nano graphene and an auxiliary agent according to a certain ratio. According to the invention, mainly nano graphene is added to solve the high heat-conducting property requirement of the composition; a polymer resin, especially a hyperbranched oligomer, hydrophobic polyurethane acrylate, polybutadiene polyurethane acrylate, organosilicon polyurethane acrylate, ethyl isocyanate acrylate, 3-isocyanatopropylmethyldimethoxysilane, trimethoxysilyl propyl isocyanurate, is preferably selected, and different types of acrylic monomers, photoinitiators, auxiliary agents, fillers and the like are added, so that rapid curing and moisture curing of a shadow part are achieved, and after curing, the properties of high thermal conductivity, excellent adhesive force, high flexibility and excellent damp-heat aging resistance are achieved, and good application prospect is achieved.

Description

technical field [0001] The invention relates to the field of electronic component material engineering, in particular to a nano-graphene ultraviolet light-moisture curing composition and a preparation method thereof. Background technique [0002] In recent years, with the continuous innovation of electronic network technology, smart home appliances and other fields are also constantly updating equipment. More and more high-power electronic devices are used in the manufacturing process, and the heat dissipation requirements of the devices are getting higher and higher. In order to promote the development of electronic products in the direction of multi-function, high speed and high power, thermal interface materials play a very critical role in thermal management design. How to increase the efficiency of heat transfer between components and heat sinks, the thermal conductivity and thermal impedance characteristics of the thermal interface material play an important role. ...

Claims

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Application Information

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IPC IPC(8): C08F283/00C08F291/12C08F220/34C08F220/18C08F222/14C08F2/48C08F2/44C08K3/04C08K7/18C08K3/34C08K7/26
CPCC08F283/008C08F291/12C08F2/48C08F2/44C08K3/042C08K7/18C08K3/346C08K7/26C08K2201/011C08F220/34C08F222/22
Inventor 章春芳
Owner 苏州恩多科石墨烯科技有限公司
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