Preparation method of water-based double-component system acrylic resin with interpenetrating network structure
An interpenetrating network structure and acrylic resin technology, applied in the field of polymers, can solve the problems of low adhesion, hardness, insufficient chemical resistance of hardness development, and unsatisfactory performance, achieve good chemical resistance, promote comprehensive water-based, fast The effect of hardness development
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Embodiment 1
[0026] Weigh cobalt oxalate and methacrylic acid according to the molar ratio of cobalt oxalate and methacrylic acid of 10%:90%, then put the two into the reaction bottle, and react at 160°C for 1 hour, and add oxidation copper as a catalyst. After the reaction was completed, it was confirmed by FT-IR and cooled to room temperature as a cross-linked network intermediate for future use.
[0027] According to the molar percentage of methyl methacrylate, styrene, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl methacrylate, mercaptopropionic acid is 20%: 14%: 10%: 25% : 25%: 5%: 1%, stir evenly, then add deionized water to make it into an aqueous solution with a solid content of 40%, add 2% ethylene glycol dimethacrylate, 1% sodium sulfite, and react at 80°C for 1 hours and keep warm for 1 hour, then cool down to 50°C.
[0028] Add 10% of the above-mentioned synthetic cross-linked network intermediate, and continue to add 20%: 30%: 10%: 30%: 10% of methyl me...
Embodiment 2
[0032] Weigh cobalt oxalate and methacrylic acid according to the molar ratio of cobalt oxalate and methacrylic acid of 20%:80%, then put the two into the reaction bottle, and react for 1 hour at 160°C. During the reaction, add Copper oxide acts as a catalyst. After the reaction was completed, it was confirmed by FT-IR and cooled to room temperature as a cross-linked network intermediate for future use.
[0033]According to the molar percentage of methyl methacrylate, styrene, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl methacrylate, and mercaptopropionic acid is 20%: 14%: 10%: 25% : 25%: 5%: 1%, stir evenly, then add deionized water to make it an aqueous solution with a solid content of 40%, add 2% ethylene glycol dimethacrylate, 1% sodium sulfite, and react at 80 ° C for 1 hours and keep warm for 1 hour, then cool down to 50°C.
[0034] Add 10% of the above-mentioned synthetic cross-linked network intermediate, and continue to add 20%: 30%: 10%: 30%...
Embodiment 3
[0038] Weigh cobalt oxalate and methacrylic acid according to the molar ratio of cobalt oxalate and methacrylic acid of 10%:90%, then put the two into the reaction bottle, and react for 1 hour at 160°C. During the reaction, add Copper oxide acts as a catalyst. After the reaction was completed, it was confirmed by FT-IR and cooled to room temperature as a cross-linked network intermediate for future use.
[0039] According to the molar percentage of methyl methacrylate, styrene, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl methacrylate, and mercaptopropionic acid is 20%: 14%: 10%: 25% :25%:5%:1%, stir well, then add deionized water to make it solid and 40% aqueous solution, add 3% ethylene glycol dimethacrylate, 1% sodium sulfite, react at 80 ° C 1 hour and keep warm for 1 hour, then cool down to 50°C.
[0040] Add 20% of the above-mentioned synthetic cross-linked network intermediate, and continue to add 20%: 30%: 10%: 30%: 10% of methyl methacrylate, ...
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