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Title:
SHEATH/CORE CONJUGATE FIBER
Document Type and Number:
Japanese Patent JP2010059580
Kind Code:
A
Abstract:

To provide a sheath/core conjugate fiber ameliorated in dripping when combusted, and expressing flame retardancy.

The sheath/core conjugate fiber is composed of the core component (component A) and the sheath component (a blend polymer of component B and component C). In the conjugate fiber, the core component is a polyester selected from a polyalkylene terephthalate, polyalkylene naphthalate and a copolymerization polymer thereof, while the sheath component is composed of the component B: a polyester selected from a polyalkylene terephthalate, a polyalkylene naphthalate and a copolymerization polymer thereof and the component C: a polyarylene sulfide, and the weight ratios for the components A, B, and C meet the following general formulas (1) and (2): (1) 0.01(B/C)0.2; and (2) 0.05(B+C)/A20.


Inventors:
TSUTSUMI KENICHI
MOCHIZUKI KATSUHIKO
Application Number:
JP2008000228007
Publication Date:
March 18, 2010
Filing Date:
September 05, 2008
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
D01F8/14; D01D5/34; D01F8/16
Domestic Patent References:
JPH0222372U1990-02-14
JP2007513270A2007-05-24
JPS59204920A1984-11-20