Title:
METHOD FOR PRODUCING BIODEGRADABLE MONOFILAMENT
Document Type and Number:
WIPO Patent Application WO/2014/077402
Kind Code:
A1
Abstract:
A method for producing a biodegradable monofilament, which is characterized by comprising: a step for obtaining an undrawn yarn by melt spinning a biodegradable resin that contains 35% by mass or more of a polyglycolic acid resin; a step for obtaining a monofilament by primarily drawing the undrawn yarn in the length direction; and a step for secondarily drawing the primarily drawn monofilament 1.02-1.6 times in the length direction at a temperature that is higher than the glass transition temperature of the polyglycolic acid resin by 22°C or less.
Inventors:
OZAWA NORIO (JP)
SHIMADA KEN ICHIRO (JP)
TERASHIMA HISAAKI (JP)
TSUBONUMA AKEMI (JP)
SHIMADA KEN ICHIRO (JP)
TERASHIMA HISAAKI (JP)
TSUBONUMA AKEMI (JP)
Application Number:
PCT/JP2013/081111
Publication Date:
May 22, 2014
Filing Date:
November 19, 2013
Export Citation:
Assignee:
KUREHA CORP (JP)
International Classes:
D01F6/62
Domestic Patent References:
| WO2005090657A1 | 2005-09-29 | |||
| WO2012066955A1 | 2012-05-24 |
Foreign References:
| JP2012251277A | 2012-12-20 | |||
| JP2000027030A | 2000-01-25 |
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
Patent business corporation cent Crest international patent firm (JP)
Patent business corporation cent Crest international patent firm (JP)
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