Alumite adhesive layer resin containing hyperbranched polyamide and preparing method thereof
A technology of hyperbranched polyamide and anodized aluminum, which is applied in the field of anodized aluminum adhesive layer resin, an anodized aluminum adhesive layer resin containing hyperbranched polyamide, and its preparation field, can solve the problem of difficulty in filling in the field, hotness on anodized aluminum, separation and separation. Severe cutting requirements, sharp edges, etc.
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Embodiment 1
[0059] Add 22.82 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, and self-polymerize at 80°C for 5 hours to obtain a bright yellow liquid, and then dry to obtain a yellow powder That is HBPs-A1.
[0060] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 2.223g IPDI, 0.671g DMPA and 10gDMF at one time, raise the temperature to 60°C, add 1 drop of T-12, and slowly raise the temperature to Stir at 85°C for 6 hours; lower the temperature to 40°C, add TEA to adjust the pH to 7, react for 50 minutes, slowly drop 32.98g of deionized water into the reaction vessel under high-speed stirring at 2000r / min for emulsification and dispersion, and obtain the solid content 30% PU prepolymer emulsion.
[0061] Put 48g of n-butanol into the reaction kettle, and control the temperature in the kettle to 30°C; add 30g of polyurethane resin and 6g of nitrocellulose ...
Embodiment 2
[0063] Add 53.25 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, and autopolymerize at 60°C for 1 hour to obtain a bright yellow liquid, which is then dried to obtain a yellow powder That is HBPs-A2.
[0064] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 1.67g IPDI, 0.60g DMPA and 5gDMF at one time, raise the temperature to 40°C, add 1 drop of T-12, and slowly heat up to Stir at 80°C for 1 hour; lower the temperature to 30°C, add TEA to adjust the pH to 7, react for 10 minutes, slowly drop 151.18g of deionized water into the reaction vessel under high-speed stirring at 1000r / min for emulsification and dispersion, and obtain the solid content It is 8% PU prepolymer emulsion.
[0065] Put 70g of n-butanol into the reaction kettle, and control the temperature in the kettle to 25°C; add 25g of polyurethane resin and 5g of nitrocellulose in sequ...
Embodiment 3
[0067] Add 114.11 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, autopolymerize at 90°C for 6 hours to obtain a bright yellow liquid, and dry to obtain a yellow powder That is HBPs-A3.
[0068] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 2.78g IPDI, 0.68g DMPA and 20gDMF at one time, raise the temperature to 80°C, add 2 drops of T-12, and slowly raise the temperature to Stir at 90°C for 8 hours; lower the temperature to 50°C, add TEA to adjust the pH to 8, react for 90 minutes, slowly drop 5.34g of deionized water into the reaction vessel under high-speed stirring at 3000r / min for emulsification and dispersion, and obtain the solid content It is 80% PU prepolymer emulsion.
[0069] Put 40g of n-butanol into the reaction kettle, and control the temperature in the kettle to 60°C; add 40g of polyurethane resin and 15g of nitrocellulose in s...
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