POLYLACTIDE POLYESTER RESIN, POLYLACTIDE POLYESTER RESIN SOLUTION, AQUEOUS POLYLACTIDE POLYESTER RESIN DISPERSION, AND METHOD FOR MANUFACTURING AQUEOUS POLYLACTIDE POLYESTER RESIN DISPERSION

WIPO Patent Application WO/2014/157507

A1

[Problem] To provide: a biodegradable polylactide polyester resin, which has a high biomass level and for which the results of the biodegradability test described in ISO 14855 (JISK 6953) "Determination of ultimate aerobic biodegradability and degree of degradation under controlled composting conditions" but with temperature conditions of 28±2°C are at least 90% by the 365th day in said determination method; a resin varnish composition, aqueous dispersion resin composition, adhesive composition, ink, laminate formed using adhesive/ink, and packaging material comprising same; and an aqueous dispersion manufacturing method. [Solution] A biodegradable polylactide polyester resin for which the acid value is 200-2,500 eq/106 g, the number average molecular weight is 2,000- 50,000, Tg is -50~40°C, lactic acid content is at least 40 weight%, and the results of the biodegradability test described in ISO 14855 (JISK 6953) "Determination of ultimate aerobic biodegradability and degree of degradation under controlled composting conditions" but with temperature conditions of 28±2°C are at least 90% by the 365th day in said determination method.

ODA NAOKO (JP)
TANAKA HIDEKI (JP)

PCT/JP2014/058831

October 02, 2014

March 27, 2014

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TOYO BOSEKI (JP)

C08G63/06; A01N25/10; B32B27/36; C08K5/00; C08K5/29; C08L67/04; C09D11/00; C09D167/04; C09J167/04; C08L101/16

WO2008059645A1

2008-05-22

JPH06308765A	1994-11-04
JP2004204033A	2004-07-22
JP2003096281A	2003-04-03
JP2008208196A	2008-09-11
JP2008081576A	2008-04-10
JP2000007789A	2000-01-11
JP2012172027A	2012-09-10

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