Environment-friendly type adhesive and preparing method thereof
An adhesive and environment-friendly technology, applied in the direction of adhesives, grafted polymer adhesives, adhesive types, etc., can solve the problems of unsatisfactory cold resistance, long production cycle, large investment in equipment, etc., and achieve excellent bonding performance , low cost and high economic benefit
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Embodiment 1
[0021] First take 10kg of polyvinyl alcohol (model 2099) and 100kg of water and add them to the reaction kettle at the same time, heat up under constant stirring, cool to 50-60°C after it dissolves completely, add emulsifier OP-104kg, dodecane 2 kilograms of sodium phenylsulfate; under stirring, it is added successively to make a total amount of 20-40% ammonium persulfate aqueous solution of 0.5 kilograms, and then adding a mixed total amount of 10-20% vinyl acetate ( 43 kg) and fumaric anhydride (2 kg), the temperature rose to 80°C under constant stirring; Complete in 2-4 hours; heat up to 90°C and keep for one hour, add 6 kg of kaolin after cooling down to 70-80°C, stir evenly and keep for 20 minutes, cool to 30°C, and pack out the material, that is, the finished product of one-component adhesive is about 167 kg (due to the volatilization of a small amount of water).
[0022] Performance:
[0023] 1. Appearance: milky white. Uniform and fine viscous glue.
[0024] 2. Sol...
Embodiment 2
[0034] Take 14 kg of polyvinyl alcohol (model 2099), 100 kg of water, 4.5 kg of emulsifier OP-10, 2 kg of sodium dodecylbenzenesulfonate, and 0.5 kg of potassium persulfate aqueous solution (dissolve potassium persulfate in water first) , 42 kilograms of methyl methacrylate, 3 kilograms of methacrylic acid, and 6 kilograms of bentonite; finally produce about 172 kilograms of one-component adhesive finished products (due to the volatilization of a small amount of water).
[0035] Its preparation method is the same as that of Example 1, so it is omitted.
Embodiment 3
[0037] Take 9 kilograms of polyvinyl alcohol (model 2099), 100 kilograms of water, 3 kilograms of emulsifier OP-103, 3 kilograms of sodium dodecylbenzene sulfate, and 0.7 kilograms of sodium persulfate aqueous solution (dissolve sodium persulfate in water first), 38 kilograms of butyl methacrylate, 3 kilograms of maleic anhydride, and 5 kilograms of light calcium carbonate; finally produce about 163 kilograms of single-component adhesive finished products (due to the volatilization of a small amount of water).
[0038] Its preparation method is the same as that of Example 1, so it is omitted.
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