Patent ID: 9499658
Filing Date: 2016-11-22
CPC Classification: B65D,C08G,C08J,Y02W

Claim Text:
1. A polylactic acid resin, comprising: a hard segment comprising a polylactic acid repeating unit of the following Chemical Formula 1; and a soft segment comprising a polyurethane polyol repeating unit in which structures of the following Chemical Formula 2 are linearly linked to each other via a urethane bond, wherein the urethane bond is bonded directly to each of the structures of Chemical Formula 2, wherein the polylactic acid resin has a glass transition temperature (Tg) from 22° C. to 55° C.: wherein A is a linear or branched alkylene of 2 to 5 carbon atoms, m is an integer of 10 to 100, and n is an integer of 700 to 5000.