Low-temperature metal adhesive and preparation method thereof

A low-temperature metal and adhesive technology, applied in adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of adhesive performance discount, longer gelation time, and adhesive brittle adhesive strength. Problems such as degradation, to achieve the effect of stable performance

Active Publication Date: 2014-09-10
上海汉司实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] At present, adhesives have been widely used in various fields. Although the adhesives used for bonding between metals are relatively mature and have relatively stable performance, they are generally used under special environmental conditions, such as low temperature conditions. The performance of the adhe

Method used

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  • Low-temperature metal adhesive and preparation method thereof
  • Low-temperature metal adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A low-temperature metal adhesive, comprising by weight components: 45 parts of ethyl cyanoacrylate, 35 parts of tetrahydrofuran polyether epoxy resin, 5 parts of ethylene carbonate, 8 parts of cyanoethylethylenediamine, oxidized 10 parts of aluminum powder, 0.5 parts of hydroquinone; 1 part of zinc oxide, 2 parts of titanium tetrachloride, 5 parts of polyvinyl butyral.

[0030] The preparation method of the above-mentioned low-temperature metal adhesive is prepared according to the following steps:

[0031] (1) take each component according to parts by weight;

[0032] (2) Add ethyl 2-cyanoacrylate, tetrahydrofuran polyether epoxy resin, ethylene carbonate, and polyvinyl butyral into the reaction kettle, mix well, and react at 60°C for 40 minutes;

[0033] (3) Add the remaining components into the reaction mixture obtained in step (2), and react at 0.02 MPa and 50° C. for 1 hour.

Embodiment 2

[0035] A low-temperature metal adhesive, comprising by weight components: 46 parts of ethyl cyanoacrylate, 38 parts of tetrahydrofuran polyether epoxy resin, 6 parts of ethylene carbonate, 10 parts of cyanoethylethylenediamine, oxidized 15 parts of aluminum powder, 0.7 parts of hydroquinone; 2 parts of zinc oxide, 4 parts of titanium tetrachloride, and 9 parts of polyvinyl butyral.

[0036] The preparation method of the above-mentioned low-temperature metal adhesive is prepared according to the following steps:

[0037] (1) take each component according to parts by weight;

[0038] (2) Add ethyl 2-cyanoacrylate, tetrahydrofuran polyether epoxy resin, ethylene carbonate, and polyvinyl butyral into the reaction kettle, mix well, and react at 63°C for 48 minutes;

[0039] (3) Add the remaining components into the reaction mixture obtained in step (2), and react at 0.03 MPa and 50° C. for 1 hour.

Embodiment 3

[0041] A low-temperature metal adhesive, comprising by weight components: 48 parts of ethyl cyanoacrylate, 36 parts of tetrahydrofuran polyether epoxy resin, 7 parts of ethylene carbonate, 10 parts of cyanoethylethylenediamine, oxidized 16 parts of aluminum powder, 0.7 parts of hydroquinone; 2 parts of zinc oxide, 4 parts of titanium tetrachloride, and 8 parts of polyvinyl butyral.

[0042] The preparation method of the above-mentioned low-temperature metal adhesive is prepared according to the following steps:

[0043] (1) take each component according to parts by weight;

[0044] (2) Add ethyl 2-cyanoacrylate, tetrahydrofuran polyether epoxy resin, ethylene carbonate, and polyvinyl butyral into the reaction kettle, mix well, and react at 65°C for 50 minutes;

[0045] (3) The remaining components were added to the reaction mixture obtained in step (2), and reacted at 0.04 MPa and 55° C. for 3 hours.

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Abstract

The invention discloses a low-temperature metal adhesive and a preparation method thereof. The adhesive comprises the following components in parts by weight: 45-60 parts of 2-ethyl cyanoacrylate, 35-45 parts of tetrahydrofuran polyether epoxy resin, 5-10 parts of ethylene carbonate, 8-15 parts of cyanoethyl ethylenediamine, 10-20 parts of aluminum oxide powder, 0.5-1 part of p-dihydroxybenzene, 1-5 parts of zinc oxide, 2-8 parts of titanium tetrachloride and 5-10 parts of polyvinyl butyral. The preparation method comprises the steps of adding 2-ethyl cyanoacrylate, tetrahydrofuran polyether epoxy resin, ethylene carbonate and polyvinyl butyral into a reaction kettle, and performing reaction for 40-60 minutes at 60-70 DEG C; then adding the other components into the mixture obtained in the above reaction, and reacting for 1-3 hours at 50-60 DEG C under the pressure of 0.02-0.06 MPa. The low-temperature metal adhesive disclosed by the invention can keep good adhesion performance at a low temperature and has stable performances at the same time.

Description

technical field [0001] The invention belongs to the technical field of chemical adhesive preparation, and in particular relates to a low-temperature metal adhesive and a preparation method thereof. Background technique [0002] Adhesive refers to a class of natural or synthetic, organic or inorganic substances that can connect two or more parts or materials together through interface adhesion and cohesion. Collectively referred to as adhesives, also known as adhesives, customarily referred to as glue. In short, an adhesive is a substance that can bind adherends together through bonding. "Adhesive" is a general standard term that also includes other glues, putties, mucilages, plasters, etc. Adhesives generally consist of the following components: [0003] 1. Adhesive substances. [0004] Adhesive substances are also called sticky materials, which are the basic components in adhesives and play a role in bonding. Its properties determine the performance, use and conditions...

Claims

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Application Information

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IPC IPC(8): C09J4/02C09J11/06C09J11/04
Inventor 顾肖红肖运根过俊宏
Owner 上海汉司实业有限公司
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