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Synthesis method of high solid content vinyl acetate-ethylene copolymer emulsion

July 19, 2022

The invention relates to a method for synthesizing a high solids vinyl acetate-ethylene copolymer emulsion. The method adopts a loop-type reaction device in the prior art and adopts a continuous emulsion polymerization process to obtain a product. For detailed formulas and preparation methods, see the specification. The invention has the advantages of adopting a continuous production method to solve the problems brought about by the limitations of equipments such as agitation and heat transfer effects in batch polymerization processes in the past; simply using polyvinyl alcohol as a protective colloid, no emulsifier is used, and emulsification is avoided. The introduction of the agent leads to a decrease in the initial tack force and a decrease in the adhesion to the polar substrate. The product has uniform quality, wide adjustable viscosity range, fast curing speed, high initial tack, and high water-resistant bonding strength to wood, etc. It can be used in wood bonding and packaging industries. /CN 1603350


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