UV light curing polyacrylate-chlorinated polypropylene composite aqueous emulsion for bopp coating and its preparation method and application
A technology of polyacrylate and chlorinated polypropylene, which is applied in the direction of coating, etc., can solve the problems of reduced adhesion between the coating and the substrate, the decline of the comprehensive performance of the coating, and the non-compliance with environmental protection, etc., to improve cohesion and operation Simple, low energy consumption effect
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Embodiment 1
[0036] (1) Preparation of polyacrylate aqueous emulsion: by weight ratio, add 100 parts of butanone, 20 parts of methacrylic acid, 70 parts of isobutyl methacrylate, 10 parts of methyl Methyl acrylate, 4 parts of azobisisobutyronitrile, heated to 80°C for 6 hours, added 5 parts of glycidyl acrylate, 0.8 parts of hydroquinone, 0.4 parts of tetrabutylammonium bromide, and continued the reaction for 4 hours. Remove the solvent to obtain a polyacrylate polymer; dissolve 20 parts of the polymer in tetrahydrofuran, neutralize to neutral, add 50 parts of water, stir and disperse at 2000r / min, remove the solvent, and obtain UV light-curable polyacrylate water lotion.
[0037](2) Preparation of modified chlorinated polypropylene aqueous emulsion: According to the weight ratio, add 150 parts of toluene into the reactor equipped with agitator, condenser and thermometer, raise the temperature to 60 °C, add 50 parts of chlorinated polypropylene, Stir and mix evenly, add 10 parts of butyl ...
Embodiment 2
[0041] (1) Preparation of polyacrylate aqueous emulsion: Add 100 parts of ethylene glycol methyl ether, 20 parts of methacrylic acid, 50 parts of isooctyl acrylate, 30 parts of Butyl methacrylate, 3 parts of azobisisobutyronitrile, heat up to 80°C for 4 hours, add 8 parts of glycidyl acrylate, 0.8 parts of hydroquinone, 0.4 parts of tetrabutylammonium bromide, and continue the reaction for 4 hours , remove the solvent to obtain a polyacrylate polymer; take 25 parts of the polymer and dissolve it in tetrahydrofuran, neutralize it to neutrality, add 50 parts of water, stir and disperse at 10000r / min, remove the solvent, and obtain UV light-curable polyacrylate water emulsion.
[0042] (2) Preparation of modified chlorinated polypropylene aqueous emulsion: According to the weight ratio, add 100 parts of toluene into the reactor equipped with agitator, condenser and thermometer, raise the temperature to 60 ° C, add 50 parts of chlorinated polypropylene, Stir and mix evenly, add 5...
Embodiment 3
[0046] (1) Preparation of polyacrylate aqueous emulsion: Add 100 parts of ethylene glycol methyl ether, 20 parts of methacrylic acid, 50 parts of cyclohexyl methacrylate, 30 parts of isobutyl methacrylate, 4 parts of azobisisobutyronitrile, heat up to 75 ° C for 4 hours, add 8 parts of glycidyl acrylate, 0.8 parts of hydroquinone, 0.4 parts of tetrabutylammonium bromide, continue React for 4 hours, remove the solvent, and get polyacrylate polymer; take 25 parts of the polymer and dissolve it in tetrahydrofuran, neutralize to neutral, add 70 parts of water, stir and disperse at 5000r / min, remove the solvent, and get UV light Cured polyacrylate emulsion in water.
[0047] (2) Preparation of modified chlorinated polypropylene aqueous emulsion: According to the weight ratio, add 100 parts of toluene into the reactor equipped with agitator, condenser and thermometer, raise the temperature to 60 ° C, add 50 parts of chlorinated polypropylene, Stir and mix evenly, add 5 parts of but...
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