Quick-drying carton adhesive
A kind of adhesive and quick-drying technology, which is applied in the direction of adhesive types, starch-derived adhesives, polymer adhesive additives, etc., can solve the problems of moisture absorption and efflorescence, and the drying speed is not fast enough, so as to improve the Anti-corrosion, fast drying, good fluidity
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Embodiment 1
[0016] Example 1: Mix 40kg of modified starch with a particle size of 100 mesh and 50kg of water, add 0.4kg of potassium permanganate oxidizing agent in turn, fully react at room temperature to gelatinize the starch, and add 0.18kg of vinyl acetate emulsion after 100 minutes to terminate Then carry out solid-liquid separation, after the separation, add water to make the emulsion concentration reach 38%, add 6.5kg vinyl acetate synthesis agent, 0.4kg sodium hydroxide catalyst, 0.05kg alum, react for 4 hours, and the pH value is above 7 , and then carry out solid-liquid separation, washing, drying, packaging and storage.
Embodiment 2
[0017] Example 2: Get 55kg of modified starch with a particle size of 100 mesh and 50kg of water, add 0.45kg of potassium permanganate oxidizing agent in turn, fully react at room temperature to gelatinize the starch, add 0.25kg of vinyl acetate emulsion after 100 minutes to terminate Then carry out solid-liquid separation, after separation finishes, add water, make emulsion concentration reach 42%, add 8kg vinyl acetate synthetic agent, 0.55kg sodium hydroxide catalyst, 0.2kg alum, react 4.5 hours, pH value is more than 7, Then carry out solid-liquid separation, washing, drying, packaging and storage.
Embodiment 3
[0018] Example 3: Get 45kg of modified starch with a particle size of 100 mesh and 60kg of water, add 0.44kg of potassium permanganate oxidizing agent in turn, fully react at normal temperature, make the starch gelatinization, add 0.35kg of vinyl acetate emulsion after 120 minutes to terminate agent. Carry out solid-liquid separation then, after separation finishes, add water, make emulsion concentration reach 40%, add 7kg vinyl acetate synthetic agent and 0.5kg sodium hydroxide catalyst and 0.2kg alum, react 5 hours, pH value is more than 7, then Then carry out solid-liquid separation, washing, drying, packaging and storage.
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