Metal adhesive with high heat resistance

Abstract

The invention relates to the field of metal adhesives and provides a metal adhesive with high heat resistance. The metal adhesive is composed of the following raw materials in parts by weight: 10-20 parts of neoprene, 50-90 parts of methyl ethyl ketone, 0.1-0.8 part of magnesium oxide, 0.1-0.8 part of acetaldehyde, 0.05-0.1 part of activated zinc oxide, 0.3-0.8 part of an antioxidant, 5-8 parts of rosin modified phenolic resin and 0.3-0.8 part of a crosslinking agent; during preparation, neoprene, magnesium oxide and activated zinc oxide are kneaded uniformly, then the mixture is dissolved in the methyl ethyl ketone, acetaldehyde reflux is carried out for 4 h, rosin modified phenolic resin and the antioxidant are mixed uniformly, and the obtained mixture is uniformly mixed with the crosslinking agent, so that the metal adhesive is obtained. The metal adhesive is simple in formula, convenient to prepare and used rapidly, creates great convenience to processing of metal products, and greatly improves the production efficiency of the metal products, thereby being worthy of wide popularization.

Description

technical field [0001] The invention belongs to the field of metal adhesives, in particular to a metal adhesive with strong heat resistance. Background technique [0002] For a long time, the bonding between metals or alloys has become one of the problems that people have been troubled by. Although in 1958, American scientist Kufei introduced the "universal glue", which claims to be able to stick to everything, but it is difficult to bond metal or metal alloy products. There is an unsolvable problem: after the metal is heated, the bonding is very easy to separate, resulting in the early failure and scrapping of the metal products bonded with the adhesive in the later use. In addition, the metal surface bonded by the adhesive is prone to rust, which is also easy to cause For the early scrapping of metal products, adhesives do provide great convenience for improving production efficiency. Therefore, people have been working on developing a metal adhesive with strong heat resis...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the current metal adhesives have poor heat resistance and high corrosion resistance, and provide a metal adhesive with strong heat resistance. The adhesive of the present invention solves the problem that the current metal adhesives are not resistant to high temperatures