POLYLACTIC ACID RESIN FIBER, POLYLACTIC ACID LONG FIBER, POLYLACTIC ACID SHORT FIBER, AND POLYLACTIC ACID FIBER

USPTO Patent Application US 2018/0291532 A1
Application Date: Oct. 11st, 2018

ABSTRACT

A polylactic acid resin fiber is obtained by melt-spinning a mixture containing 100 parts by weight of a poly-L-lactic acid (A) having an L-lactic acid purity of 99 mol percent...
Assignee(s):
Application Number:
16/003,345
International Classification:
D01F 6/92 (20060101); D06P 1/34 (20060101); D06P 3/52 (20060101); C08L 67/04 (20060101); D01D 5/098 (20060101); D01F 6/62 (20060101); D02J 1/22 (20060101); D01F 1/10 (20060101)
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CLAIMS

What is claimed is:

1. A polylactic acid resin fiber obtained by melt-spinning a mixture containing 100 parts by weight of a poly-L-lactic acid (A) having an L-lactic acid purity of 99 mol percent or more, 3 to 10 parts by weight of a plasticizer (B), and 0.3 to 1.0 parts by weight of...

DESCRIPTION

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2015-239689, filed on Dec. 8, 2015 and International Patent Application No. PCT/JP2016/086517, filed on Dec. 8, 2016, the entire content of each of which is incorporated herein by reference.
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