Surface-treated connecting device for modular building
A connection device and surface treatment technology, which is applied in the field of surface treatment of modular building connection devices, can solve problems such as damage to the surface treatment layer of steel materials, damage to the interface of the contact surface, and failure to put it on the market, so as to reduce water absorption and increase crosslinking degree, strong adhesion effect
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Embodiment 1
[0023] (1) Mix 210g of acrylic acid, 100g of N-methylolacrylamide, 50g of 1,4-cyclohexanedimethanol diacrylate, 240g of N-vinylpyrrolidone, 180g of lauryl methacrylate, and 250g of isomeric tridecyl alcohol polyoxyethylene Add ether and 150g resorcinol monobenzoate to 1000g water, stir for 30 minutes, then add 100mL of 0.1g / mL potassium persulfate aqueous solution dropwise, the dropwise addition is completed within 20 minutes, and react at 75°C for 1.5 hours to obtain a prepolymer ;
[0024] (2) Dissolve 110g of 4,4'-bistrifluoromethoxyazobenzene and 0.1g of dicumyl peroxide into 400g of N,N-dimethylformamide, then add 1000g of tetraglycidyl ether tetraphenyl Diethyl ethane, after stirring for 30 minutes, add 280g lauryl methacrylate and 280g maleic anhydride, react at 95°C for 2 hours, then add 50g 4-dimethylaminopyridine, and continue the reaction for 1 hour to obtain an adhesive;
[0025] (3) Add 1000g of hydroxyl silicone resin, 1g of dimethylimidazole, and 50g of solid a...
Embodiment 2
[0029] (1) Mix 250g of acrylic acid, 150g of N-methylolacrylamide, 80g of 1,4-cyclohexanedimethanol diacrylate, 260g of N-vinylpyrrolidone, 190g of lauryl methacrylate, and 280g of isomeric tridecyl alcohol polyoxyethylene Add ether and 180g resorcinol monobenzoate to 1000g water, stir for 30 minutes and then add 110mL of 0.1g / mL potassium persulfate aqueous solution dropwise, the dropwise addition is completed within 30 minutes, and react at 75°C for 2.5 hours to obtain a prepolymer ;
[0030] (2) Dissolve 150g of 4,4'-bistrifluoromethoxyazobenzene and 0.15g of dicumyl peroxide into 400g of N,N-dimethylformamide, then add 1000g of tetraglycidyl ether tetraphenyl Base ethane, after stirring for 30 minutes, add 320g of lauryl methacrylate and 290g of maleic anhydride, react at 95°C for 2 hours, then add 80g of 4-dimethylaminopyridine, and continue to react for 2 hours to obtain an adhesive;
[0031] (3) Add 1000g of hydroxyl silicone resin, 1.5g of dimethylimidazole, and 80g o...
Embodiment 3
[0035] (1) Mix 210g of acrylic acid, 100g of N-methylolacrylamide, 50g of 1,4-cyclohexanedimethanol diacrylate, 240g of N-vinylpyrrolidone, 180g of lauryl methacrylate, and 250g of isomeric tridecyl alcohol polyoxyethylene Add ether and 150g resorcinol monobenzoate to 1000g water, stir for 30 minutes, then add 100mL of 0.1g / mL potassium persulfate aqueous solution dropwise, the dropwise addition is completed within 20 minutes, and react at 75°C for 2.5 hours to obtain a prepolymer ;
[0036] (2) Dissolve 150g of 4,4'-bistrifluoromethoxyazobenzene and 0.15g of dicumyl peroxide into 400g of N,N-dimethylformamide, then add 1000g of tetraglycidyl ether tetraphenyl Base ethane, after stirring for 30 minutes, add 320g of lauryl methacrylate and 290g of maleic anhydride, react at 105°C for 1 hour, then add 80g of 4-dimethylaminopyridine, and continue to react for 1 hour to obtain an adhesive;
[0037] (3) Add 1000g of hydroxyl silicone resin, 1.5g of dimethylimidazole, and 80g of so...
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