Title:
POLYLACTIC POLYESTER RESIN, AQUEOUS POLYLACTIC POLYESTER RESIN DISPERSION, AND PRODUCTION METHOD FOR AQUEOUS POLYLACTIC POLYESTER RESIN DISPERSION
Document Type and Number:
WIPO Patent Application WO/2013/122245
Kind Code:
A1
Abstract:
A polylactic polyester resin comprising a chemical structure indicated by general formula (1), having an acid value of 300-2,500 eq/106g, having a number-average molecular weight of 2,000-50,000, and having a lactic acid content of at least 40 wt%. Z-(O-(CH2CH2O)p-(CO-Y-O)q-X)r … (1). Z is an r-valent organic group; Y is -CH(CH3)- or a mixture of -CH(CH3)- and a C2-10 linear or branched alkylene group; X is a residue of a polybasic acid having at least two carboxyl groups, or hydrogen; and X, Y, and Z can be either a single type or a mixture of a plurality of types. p, q, and r are 0 or a positive integer; the average value of p is at least 0.5, the average value of q is at least 5, and the average value of r is 3-15.
Inventors:
TANAKA HIDEKI (JP)
ODA NAOKO (JP)
ODA NAOKO (JP)
Application Number:
PCT/JP2013/053819
Publication Date:
August 22, 2013
Filing Date:
February 18, 2013
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C08G63/66; B32B27/36; B65D65/40; B65D65/46; C08L67/00; C09D11/00; C09D167/04; C09J167/04; C08L101/16
Domestic Patent References:
| WO2008120722A1 | 2008-10-09 |
Foreign References:
| JPH1143538A | 1999-02-16 | |||
| JPH08506848A | 1996-07-23 | |||
| JP2008222768A | 2008-09-25 | |||
| JP2008156665A | 2008-07-10 |
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Claims: