POLYLACTIC ACID RESIN COMPOSITION FOR 3D PRINTING

EPO Patent Application EP 3196/227 A1
Application Date: Jul. 26th, 2017

ABSTRACT

A polylactic acid resin composition, which comprises: a hard segment containing a polylactic acid repeat unit; and a soft segment containing a polyurethane polyol repeat unit in which polyether-based polyol...
Assignee(s):
Inventor(s):
KIM, Min-young
KIM, Jong Ryang
KIM, Tae-Young
JEON, Sung-wan
Application Number:
15842012.5
International Classification:
C08G 71/04 (20060101); C08G 63/08 (20060101); C08G 18/48 (20060101); C08G 18/83 (20060101)
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CLAIMS

What is claimed is:

A polylactic acid resin composition for three-dimensional (3D) printing, comprising: (a) a hard segment comprising a polylactic acid repeat unit represented by Formula 1; and (b) a soft segment comprising a polyurethane polyol repeat unit in which polyether-based polyol repeat units represented by Formula 2 are linearly linked via urethane bonds, wherein...

DESCRIPTION

Technical Field

The present invention relates to a polylactic acid resin composition for three-dimensional (3D) printing, which has not only a lower melting temperature than those of conventional polylactic acid resin compositions, to thereby undergo low-temperature and high-speed processing, but also a high solidification rate and eco-friendly characteristics.
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