A kind of α-cyanoacrylate thermally conductive adhesive and preparation method thereof

A cyanoacrylate and thermally conductive adhesive technology, applied in the field of thermally conductive adhesives, can solve the problems of limited application range, poor impact resistance and heat resistance, and achieve the effects of avoiding high temperature damage, increasing thermal decomposition temperature and heat resistance.

Active Publication Date: 2018-11-27
绍兴市上虞舜东橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, α-cyanoacrylate thermally conductive adhesive also has certain defects: poor impact resistance and heat resistance, which limits its application range
However, the acrylate adhesive also has the problems of poor impact resistance and heat resistance

Method used

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  • A kind of α-cyanoacrylate thermally conductive adhesive and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] α-cyanoacrylate thermal conductive adhesive, in parts by weight, is made of the following components: 100 parts of α-cyanoacrylate, 3 parts of PMMA, 2 parts of DOP, 0.1 part of sulfur dioxide, 1 part of hydroquinone, cyanoacrylate 25 parts of ethyl acrylate, 3.5 parts of aluminum hydroxide, 1.2 parts of organic pigments, 104 parts of quartz powder, 13 parts of magnesium hydrogen phosphate, and 8.5 parts of liquid polyisobutylene.

[0027] The steps of its preparation method are as follows:

[0028] (1) Magnesium hydrogen phosphate is added into distilled water and dispersed evenly to obtain a mass fraction of 10% magnesium hydrogen phosphate solution, and the octadecyltrimethylammonium chloride with a weight of 1.8 times of magnesium hydrogen phosphate is added in the magnesium hydrogen phosphate solution , heated to 90°C by microwave, then magnetically stirred for 3 hours, taken out, filtered with absolute ethanol, washed 5 times with distilled water, dried in an oven ...

Embodiment 2

[0032] α-cyanoacrylate thermal conductive adhesive, in parts by weight, is made of the following components: 100 parts of α-cyanoacrylate, 2 parts of PMMA, 4 parts of DOP, 0.4 parts of sulfur dioxide, 0.7 parts of hydroquinone, cyanoacrylate 27 parts of ethyl acrylate, 4 parts of aluminum hydroxide, 1.4 parts of organic pigments, 108 parts of aluminum oxide, 14 parts of magnesium hydrogen phosphate, and 8.8 parts of liquid polyisobutylene.

[0033] The steps of its preparation method are as follows:

[0034] (1) Magnesium hydrogen phosphate is added into distilled water and dispersed evenly to obtain a mass fraction of 10% magnesium hydrogen phosphate solution, and the octadecyltrimethylammonium chloride with a weight of 1.8 times of magnesium hydrogen phosphate is added in the magnesium hydrogen phosphate solution , heated to 90°C by microwave, then magnetically stirred for 3 hours, taken out, filtered with absolute ethanol, washed 5 times with distilled water, dried in an ov...

Embodiment 3

[0038] α-cyanoacrylate thermal conductive adhesive, in parts by weight, is made of the following components: 100 parts of α-cyanoacrylate, 4 parts of PMMA, 2.5 parts of DOP, 0.2 parts of sulfur dioxide, 0.5 parts of hydroquinone, cyanide 20 parts of ethyl acrylate, 6 parts of aluminum hydroxide, 1.5 parts of organic pigments, 105 parts of aluminum oxide, 12.5 parts of magnesium hydrogen phosphate, and 9 parts of liquid polyisobutylene.

[0039] The steps of its preparation method are as follows:

[0040] (1) Magnesium hydrogen phosphate is added into distilled water and dispersed evenly to obtain a mass fraction of 10% magnesium hydrogen phosphate solution, and the octadecyltrimethylammonium chloride with a weight of 1.8 times of magnesium hydrogen phosphate is added in the magnesium hydrogen phosphate solution , heated to 90°C by microwave, then magnetically stirred for 3 hours, taken out, filtered with absolute ethanol, washed 5 times with distilled water, dried in an oven a...

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PUM

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Abstract

The invention provides alpha-cyanoacrylate heat-conducting glue. The alpha-cyanoacrylate heat-conducting glue comprises the following components in parts by weight: 100 parts of alpha-cyanoacrylate, 2-5 parts of a thickening agent, 2-4 parts of a plasticizer, 0.1-0.4 parts of a stabilizing agent, 0.5-1 part of a polymerization inhibitor, 20-30 parts of a cross-linking agent, 3-6 parts of a fire retardant, 1-2 parts of pigment, 100-110 parts of a heat-conducting filling material, 10-14 parts of magnesium hydrogen phosphate, and 8-10 parts of liquid polyisobutylene. The invention also provides a preparation method of the alpha-cyanoacrylate heat-conducting glue. The alpha-cyanoacrylate heat-conducting glue has good impact-resistance performance and heat-resistance performance.

Description

Technical field: [0001] The invention relates to a thermally conductive adhesive, in particular to an α-cyanoacrylate thermally conductive adhesive and a preparation method thereof. Background technique: [0002] Thermally conductive adhesive refers to the thermally conductive adhesive used for packaging and thermal interface materials. It is mostly used for bonding in electrical insulation applications, such as the bonding of semiconductor tubes and heat sinks, the protection of dies, the sealing of shells, Thermal conduction and insulation of rectifiers and thermistors, thermal conduction and insulation assembly of multilayer boards in micro-packages, chemical heat exchanger bonding and thermal conduction potting, etc. Thermally conductive adhesives are generally composed of a resin matrix with high bonding strength, thermally conductive fillers, and additives. The resin matrix of thermally conductive adhesives generally includes epoxy resins, silicone resins, acrylate res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J4/04C09J4/06C09J11/04C09J11/06
Inventor 李晓明
Owner 绍兴市上虞舜东橡塑制品有限公司
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