Composite adhesive for inflatable boats
A technology for composite adhesives and boats, applied in adhesives, adhesive additives, polymer adhesive additives, etc. Problems such as the normal operation of boats, etc., to achieve the effect of smooth surface, fast curing speed, and small thermal expansion coefficient
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[0020] A composite adhesive for inflatable boats, made of the following components in parts by weight, bisphenol F type epoxy resin 47, bisphenol A type epoxy resin 15, isophorone diisocyanate 5, dimethylol Propionic acid 20, mica powder 0.1, polyester diol 24, dibutyl phthalate 0.3, acrylamide 8, borax 0.3, 1,4-butanediol 20, methyl methacrylate 5, maple poplar Seed and bamboo powder mixed cooking liquid 4, sodium lignosulfonate 1, epoxy soybean oil 3;
[0021] The bisphenol F type epoxy resin is pretreated: heat the bisphenol F type epoxy resin to 140°C, then add 4% by mass of amino polysiloxane and bentonite mixture, stir at 450r / min for 40 minutes, That is, the aminopolysiloxane and nano-bentonite mixture are mixed at a mass ratio of 4:1, and the nano-bentonite is soaked in a maleic acid solution with a mass concentration of 6.4% at 38°C for 45 minutes, and filtered , drying at 48°C, the particle size of the nano-bentonite is 20-22nm;
[0022] The mica powder is pretreat...
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