POLYLACTIC ACID RESIN COMPOSITION FOR 3D PRINTING

USPTO Patent Application US 2017/0233899 A1
Application Date: Aug. 17th, 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...
Application Number:
15/504,286
International Classification:
D01F 6/70 (20060101); B33Y 10/00 (20060101); C08G 18/83 (20060101); B29C 67/00 (20060101); C08G 18/48 (20060101); C08G 63/06 (20060101); C08G 18/10 (20060101); B33Y 70/00 (20060101); C08G 18/73 (20060101)
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CLAIMS

What is claimed is:

1. 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...

DESCRIPTION

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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