A kind of antibacterial ultraviolet curing writing coating composition and preparation method and application thereof
A coating composition and ultraviolet light technology, applied in the field of coatings, can solve the problems that the antibacterial film does not have the writing function, residual oil marks in writing, and prone to writing ink shrinkage, etc., and achieve broad market application prospects, high-efficiency antibacterial performance, Excellent wear resistance effect
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Embodiment 1
[0083]In a four-necked round-bottomed flask equipped with a mechanical stirrer, a reflux condenser, a constant-pressure dropping funnel and a nitrogen inlet pipe, vacuum and nitrogen filling were repeated 3 times, and then low-hydrogen silicone oil (hydrogen content 1.2%) was added in turn. 10 parts, 7 parts of ethylene trimethoxysilane coupling agent, 3 parts of trifluoroethyl methacrylate, 0.32 part of polymerization inhibitor, heated to 85 ℃ under the protection of nitrogen, and added dropwise during the heating process containing 400 × 10 -6 Parts of the catalyst solution of chloroplatinic acid (chloroplatinic acid isopropanol solution) was added dropwise for 1.5 h (hour). After the dropwise addition, the reaction was continued for 4 h. After the insulation reaction is completed, the temperature is raised to 90°C, and 25 parts of 1,6-hexanediol diacrylate monomer and chloroplatinic acid isopropanol solution (containing 400×10 -6 The mixture of chloroplatinic acid) was add...
Embodiment 2
[0085] In a four-necked round-bottomed flask equipped with a mechanical stirrer, a reflux condenser, a constant-pressure dropping funnel and a nitrogen inlet pipe, vacuum and nitrogen filling were repeated 3 times, and then low-hydrogen silicone oil (hydrogen content 1.4%) was added in turn. 12 parts, 5.2 parts of γ-methacryloyloxypropyl trimethoxysiloxane, 2 parts of hexafluorobutyl methacrylate, 0.5 part of polymerization inhibitor, heated to 100°C under nitrogen protection, heated During the process of adding dropwise containing 450 × 10 -6 Parts of the catalyst solution of chloroplatinic acid (chloroplatinic acid isopropanol solution) was added dropwise for 2 h. After the dropwise addition, the reaction was continued for 4 h. After the insulation reaction is completed, adjust the temperature to 90°C and dropwise add 50 parts of tripropylene glycol diacrylate monomer and chloroplatinic acid isopropanol solution (containing 1000×10 -6 The mixture of chloroplatinic acid) wa...
Embodiment 3
[0087] In a four-necked round-bottomed flask equipped with a mechanical stirrer, a reflux condenser, a constant-pressure dropping funnel and a nitrogen inlet pipe, vacuum and nitrogen filling were repeated 3 times, and then low-hydrogen silicone oil (hydrogen content 1.1%) was added in turn. 11 parts, 3.8 parts of γ-methacryloyloxypropyl trimethoxysiloxane, 1.5 parts of dodecafluoroheptyl acrylate, 0.4 part of polymerization inhibitor, heated to 105 ℃ under the protection of nitrogen gas, the heating process Medium drop containing 500×10 -6 Parts of the platinum catalyst solution of chloroplatinic acid (chloroplatinic acid isopropanol solution) was added dropwise in 2 h. After the dropwise addition, the reaction was continued for 6 hours. After the insulation reaction is completed, adjust the temperature to 85 °C and dropwise add 26 parts of neopentyl glycol diacrylate monomer and chloroplatinic acid isopropanol solution (containing 500 × 10 -6 The mixture of chloroplatinic ...
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