Spontaneously degradable fibers and goods made thereof

Details Spontaneously degradable fibers and goods made thereof Spontaneously degradable fibers and goods made thereof

2005-01-18

2005-01-18

Edwards, N. (Department: 1774)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S373000, C428S374000

Reexamination Certificate

active

06844063

ABSTRACT:
A spontaneously degradable fiber excellent in bulkiness, softness, stretchability and feeling, which comprises (A) a low heat-shrinkable fiber component comprising a high crystalline aliphatic polyester and (B) a high heat-shrinkable fiber component comprising an aliphatic polyester, e.g., a low crystalline or non-crystalline aliphatic polyester, and a block copolymer or a mixture the main component of which is an aliphatic polyester and which comprises a high-melting component and a low-melting component. Further, fibers excellent in self-crimpability or self-adhesion property and dividable fibers are obtained by suitably combining the fiber components (A) and (B) to form conjugated fibers or composite yarns.

REFERENCES:
patent: 5254616 (1993-10-01), Benko et al.
patent: 5593778 (1997-01-01), Kondo et al.
patent: 5688582 (1997-11-01), Nagaoka et al.
patent: 5760144 (1998-06-01), Ozeki et al.
patent: 7-34369 (1995-02-01), None
patent: 7-133511 (1995-05-01), None
patent: 7-310236 (1995-11-01), None
patent: 9-41223 (1997-02-01), None
patent: 10088425 (1998-04-01), None

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