Antibacterial high-strength wood-plastic composite board and preparation process thereof
A preparation process and composite board technology, which is applied in the field of wood-plastic boards, can solve the problems of not having strong sterilization, antibacterial, mildew proof and strong waterproof, impact resistance to bending, bending and impact resistance, hidden safety hazards, etc., to achieve growth Long-term anti-ultraviolet aging performance, enhanced antistatic ability, and improved heat resistance
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Embodiment 1
[0060] 1) Preparation of irradiation agent: a) Dissolve 5,5-dimethylhydantoin and sodium hydroxide in absolute ethanol, shake until completely dissolved, react at 85°C for 10 minutes, cool down to obtain mixed solution;
[0061] b) Add 1-bromo-2-chloroethane to the mixed solution obtained in step a), condense and reflux at 80°C for 8 hours, remove the solution with a rotary evaporator after the reaction, and purify to obtain white crystals;
[0062] c) Mix the white crystals obtained in step b) with dimethylaminoethyl methacrylate, co-dissolve in excess dimethylformamide, add potassium iodide and hydroquinone, and react at 80°C for 22 hours under nitrogen protection. After filtering by-products and rotary evaporation to obtain high-purity olefin-based haloamine monomers containing quaternary ammonium groups;
[0063] 2) Dissolve the high-purity olefin-based haloamine monomer containing quaternary ammonium groups obtained in step 1) in deionized water 20 times its mass, and os...
Embodiment 2
[0075] 1) Preparation of irradiation agent: a) Dissolve 5,5-dimethylhydantoin and sodium hydroxide in absolute ethanol, shake until completely dissolved, react at 90°C for 15 minutes, cool down to obtain mixed solution;
[0076] b) Add 1-bromo-2-chloroethane to the mixed solution obtained in step a), condense and reflux at 85°C for 10 hours, remove the solution with a rotary evaporator after the reaction, and purify to obtain white crystals;
[0077] c) Mix the white crystals obtained in step b) with dimethylaminoethyl methacrylate, co-dissolve in excess dimethylformamide, add potassium iodide and hydroquinone, and react at 95°C for 24 hours under nitrogen protection. After filtering by-products and rotary evaporation to obtain high-purity olefin-based haloamine monomers containing quaternary ammonium groups;
[0078] 2) Dissolve the high-purity olefin-based haloamine monomer containing quaternary ammonium groups obtained in step 1) in deionized water 20 times its mass, and v...
Embodiment 3
[0090] 1) Preparation of irradiation agent: a) Dissolve 5,5-dimethylhydantoin and sodium hydroxide in absolute ethanol, shake until completely dissolved, react at 85°C for 10 minutes, cool down to obtain mixed solution;
[0091] b) Add 1-bromo-2-chloroethane to the mixed solution obtained in step a), condense and reflux at 85°C for 8 hours, remove the solution with a rotary evaporator after the reaction, and purify to obtain white crystals;
[0092] c) Mix the white crystals obtained in step b) with dimethylaminoethyl methacrylate, co-dissolve in excess dimethylformamide, add potassium iodide and hydroquinone, and react at 80°C for 22 hours under nitrogen protection. After filtering by-products and rotary evaporation to obtain high-purity olefin-based haloamine monomers containing quaternary ammonium groups;
[0093] 2) Dissolving the high-purity olefin-based haloamine monomer containing quaternary ammonium groups obtained in step 1) in deionized water 33 times its mass, and ...
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