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Polylactic acid based polyester resin, polylactic acid based polyester resin aqueous dispersion, and production method of polylactic acid based polyester resin aqueous dispersion
Polylactic acid based polyester resin, polylactic acid based polyester resin aqueous dispersion, and production method of polylactic acid based polyester resin aqueous dispersion
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机译:聚乳酸类聚酯树脂,聚乳酸类聚酯树脂水分散体及聚乳酸类聚酯树脂水分散体的制造方法
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摘要
A polylactic acid-type polyester resin which fulfills the requirements represented by formulae (1), (2) and (3), has such a self-emulsifying function that an aqueous emulsion of the resin can be produced without using any emulsifying agent or any organic solvent, and has a high biomass level; an aqueous dispersion, an aqueous resin composition, an aqueous adhesive agent, an aqueous coating agent and an aqueous ink, each of which contains the polyester resin; a laminate formed from an aqueous adhesive agent/an aqueous ink; a packaging material; a sustained-release biodegradable covering agent; and a sustained-release biodegradable covering material which is produced from a sustained-release biodegradable covering agent. 1 = Log(MV) = 4 ···(1) 300 = (AV) = 2,500 ···(2) Log(MV) = 0.0028×(AV)+1.2 ···(3) In the formulae, MV represents the melt viscosity (Pa·s) of the resin at 80°C; and AV represents the carboxyl group acid value (eq/t) in the resin.
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