Water-resistant flame-retardant polyurethane adhesive
A technology of polyurethane adhesives and polyester polyols, applied in the direction of adhesive additives, polymer adhesive additives, non-polymer adhesive additives, etc. Very good, water resistance is not very good, etc., to achieve the effect of isolating the transmission of oxygen and heat, improving thermal stability, and high bonding performance
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Embodiment 1
[0013] A water-resistant and flame-retardant polyurethane adhesive proposed by the present invention, its raw materials include by weight: 50 parts of polyester polyol, 10 parts of fluorine-containing polyether diol, 28 parts of bis-ferrocenyl alcohol, diphenylmethane -40 parts of 4,4'-diisocyanate, 10 parts of 3,3'-dichloro-4,4'-diaminodiphenylmethane, 0.2 parts of catalyst, 15 parts of chain extender, 2 parts of melamine, chitosan 5 parts, 3 parts of calcium alginate fiber, 5 parts of polyimide, 1 part of amino silicone oil, 8 parts of epoxy resin, 2 parts of aldehyde and ketone resin, 10 parts of attapulgite, and 100 parts of solvent.
Embodiment 2
[0015] A water-resistant and flame-retardant polyurethane adhesive proposed by the present invention, its raw materials include by weight: 30 parts of polyester polyol, 35 parts of fluorine-containing polyether diol, 5 parts of bis-ferrocenyl alcohol, diphenylmethane -60 parts of 4,4'-diisocyanate, 2 parts of 3,3'-dichloro-4,4'-diaminodiphenylmethane, 0.8 parts of catalyst, 3 parts of chain extender, 8 parts of melamine, chitosan 1 part, 15 parts of calcium alginate fiber, 1 part of polyimide, 5 parts of amino silicone oil, 2 parts of epoxy resin, 10 parts of aldehyde and ketone resin, 2 parts of attapulgite, 150 parts of solvent.
Embodiment 3
[0017] A water-resistant and flame-retardant polyurethane adhesive proposed by the present invention, its raw materials include by weight: 37 parts of polyester polyol, 30 parts of fluorine-containing polyether diol, 9 parts of bis-ferrocenyl alcohol, diphenylmethane -52 parts of 4,4'-diisocyanate, 4 parts of 3,3'-dichloro-4,4'-diaminodiphenylmethane, 0.7 parts of catalyst, 9 parts of dimethylthiotoluenediamine, 7 parts of melamine 1.9 parts of chitosan, 13 parts of calcium alginate fiber, 2.8 parts of polyimide, 3.6 parts of amino silicone oil, 5 parts of epoxy resin, 9 parts of aldehyde and ketone resin, 4.5 parts of attapulgite, 140 parts of acetone;
[0018] Wherein, the catalyst is a mixture of dibutyltin dilaurate and zinc isooctanoate, and the weight ratio of dibutyltin dilaurate and zinc isooctanoate is 1:8;
[0019] The attapulgite is γ-aminopropyltriethoxysilane modified attapulgite.
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