RE-EMULSIFIABLE RESIN POWDER, AQUEOUS EMULSION AND ADHESIVE COMPOSITION USING SAME

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A re-emulsifiable resin powder is provided which, when re-emulsified in water, gives an emulsion having almost the same physical properties as the original emulsion before powdering. The emulsion obtained by re-emulsifying the powder can form a film having improved water resistance. The resin powder is a re-emulsifiable resin powder obtained from an aqueous synthetic resin emulsion dispersed and stabilized with a polyvinyl alcohol-based resin, wherein the aqueous synthetic resin includes, as a copolymerizable monomer, a hydrophobic monomer having a solubility in water at 20°C of 0.1% or lower in an amount of 30% by weight or larger based on all copolymerizable monomers.