Modified 250 DEG C high temperature resistant cyanate ester/benzoxazine resin adhesive and preparation method thereof
2012
The invention relates to a 250 DEG C high temperature resistant cyanate ester/benzoxazine resin adhesive and a preparation method thereof, and is characterized in that the adhesive comprises the following components: cyanate ester resin, bismaleimide resin, diallyl bisphenol A, benzoxazine resin and some solvents. The 250 DEG C high temperature resistant adhesive is prepared by adopting a fusion mixing method and a solution mixing method. When the 250 DEG C high temperature resistant adhesive is thermally cured, a co-curing reaction is carried out and a high temperature resistant adhesive in a co-curing structure is obtained. The adhesive has the advantages of excellent mechanical property, heat resistance and dielectric property. The adhesive has an irreplaceable action in production of an aviation power supply, and can be popularized to high temperature insulation aspects of aviation, ships, weapons, nuclear industry and high-speed electric locomotives and production of composites and copper-clad plates. The preparation method of the adhesive has the characteristics of wide applicability, simple operation process, and the like.
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