Environment-friendly low-whitening instant adhesive
An instant adhesive and environmentally friendly technology, applied in the field of instant adhesive, can solve the problems of strong irritating odor, easy whitening, poor heat resistance and aging resistance, etc., achieve fast curing speed, reduce incidence and irritation Odor volatilization, effect of improving impact resistance
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Embodiment 1
[0030] The environment-friendly low-whitening instant adhesive of this embodiment is composed of the following raw materials: cage-type silsesquioxane / acrylate copolymer modified ethyl α-cyanoacrylate, hydrophilic modified n-octyl α-cyanoacrylate , α-n-butyl cyanoacrylate and additives; the cage silsesquioxane / acrylate copolymer modified α-ethyl cyanoacrylate, hydrophilic modified α-n-octyl cyanoacrylate, α - The mass ratio of n-butyl cyanoacrylate and additives is 1:8:90:1.
[0031] The preparation method of the cage-type silsesquioxane / acrylate copolymer modified α-cyanoacrylate ethyl ester is as follows: the cage-type silsesquioxane and the acrylate compound monomer are contacted under the action of a catalyst. Branch copolymerization reaction, during the reaction process, slowly drop α-cyanoacrylate ethyl ester monomer to participate in the copolymerization reaction, after the dropwise addition is completed, add a polymerization inhibitor to terminate the reaction, and obt...
Embodiment 2
[0043] The environment-friendly low-whitening instant adhesive of this embodiment is composed of the following raw materials: cage-type silsesquioxane / acrylate copolymer modified ethyl α-cyanoacrylate, hydrophilic modified n-octyl α-cyanoacrylate , α-n-butyl cyanoacrylate and additives; the cage silsesquioxane / acrylate copolymer modified α-ethyl cyanoacrylate, hydrophilic modified α-n-octyl cyanoacrylate, α - The mass ratio of n-butyl cyanoacrylate and additives is 4:1.5:94:0.5.
[0044]The preparation method of the cage-type silsesquioxane / acrylate copolymer modified α-cyanoacrylate ethyl ester is as follows: the cage-type silsesquioxane and the acrylate compound monomer are contacted under the action of a catalyst. Branch copolymerization reaction, during the reaction process, slowly drop α-cyanoacrylate ethyl ester monomer to participate in the copolymerization reaction, after the dropwise addition is completed, add a polymerization inhibitor to terminate the reaction, and ...
Embodiment 3
[0056] The environment-friendly low-whitening instant adhesive of this embodiment is composed of the following raw materials: cage-type silsesquioxane / acrylate copolymer modified ethyl α-cyanoacrylate, hydrophilic modified n-octyl α-cyanoacrylate , α-n-butyl cyanoacrylate and additives; the cage silsesquioxane / acrylate copolymer modified α-ethyl cyanoacrylate, hydrophilic modified α-n-octyl cyanoacrylate, α - The mass ratio of n-butyl cyanoacrylate and additives is 10:1:86:3.
[0057] The preparation method of the cage-type silsesquioxane / acrylate copolymer modified α-cyanoacrylate ethyl ester is as follows: the cage-type silsesquioxane and the acrylate compound monomer are contacted under the action of a catalyst. Branch copolymerization reaction, during the reaction process, slowly drop α-cyanoacrylate ethyl ester monomer to participate in the copolymerization reaction, after the dropwise addition is completed, add a polymerization inhibitor to terminate the reaction, and ob...
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