Title:
BIODEGRADABLE FIBER, METHOD FOR PRODUCING SAME, AND UNWOVEN FABRIC PRODUCED FROM SAME
Document Type and Number:
WIPO Patent Application WO/2010/098514
Kind Code:
A1
Abstract:
The present invention relates to a biodegradable fiber, to a method for producing same, and to unwoven fabric produced from same. More particularly, the present invention relates to a method for producing a biodegradable fiber, comprising the steps of: mixing together and melting 50 to 92 wt % of a polylactic acid (PLA) resin, 7 to 45 wt % of a PBS-based resin, and 1 to 5 wt % of inorganic matter, in order to obtain a mixture; spinning the mixture at a temperature of 180 to 250°C to produce an undrawn fiber; drawing the undrawn fiber at a draw ratio of 1.2 to 2.5; crimping the drawn fiber; applying a spinning oil to the surface of the crimped fiber; and heat-setting the drawn fiber to which the spinning oil is applied and cutting the fiber into a predetermined length. The present invention also relates to the biodegradable fiber produced by the method, and to unwoven fabric produced from the biodegradable fiber.
More Like This:
Inventors:
KWAK, Dong Hun (602Ho Hyundai Apt, 262-2 Jincheon-dong, Dalseo-gu, Daegu 704-360, 704-360, KR)
곽동헌 (대구시 달서구 진천동 262-2 현대아파트 602호, 704-360 Daegu, 704-360, KR)
곽동헌 (대구시 달서구 진천동 262-2 현대아파트 602호, 704-360 Daegu, 704-360, KR)
Application Number:
KR2009/002754
Publication Date:
September 02, 2010
Filing Date:
May 25, 2009
Export Citation:
Assignee:
KOLON GLOTECH, INC. (8F. Kolon Tower, 1-23 Byeoryang-dong, Gwacheon-si, Gyeonggi-do 427-040, 427-040, KR)
코오롱글로텍 주식회사 (경기도 경기도 과천시 별양동 1-23 코오롱타워 8층, 427-040 Gyeonggi-do, 427-040, KR)
KWAK, Dong Hun (602Ho Hyundai Apt, 262-2 Jincheon-dong, Dalseo-gu, Daegu 704-360, 704-360, KR)
코오롱글로텍 주식회사 (경기도 경기도 과천시 별양동 1-23 코오롱타워 8층, 427-040 Gyeonggi-do, 427-040, KR)
KWAK, Dong Hun (602Ho Hyundai Apt, 262-2 Jincheon-dong, Dalseo-gu, Daegu 704-360, 704-360, KR)
International Classes:
D01F6/62; D01F6/76; D04H1/435
Attorney, Agent or Firm:
INNO PATENT LAW FIRM (8F Shinhankook Bldg, 1699-3 Seocho-dong, Seocho-gu, Seoul 137-883, 137-883, KR)
Download PDF:
Previous Patent: CONNECTOR FOR CONNECTION OF CONDUCTIVE FILM
Next Patent: CARRIER HEAD FOR A BARE SILICON WAFER POLISHING APPARATUS
Next Patent: CARRIER HEAD FOR A BARE SILICON WAFER POLISHING APPARATUS