Conjugate fibers and nonwoven molding thereof

Details Conjugate fibers and nonwoven molding thereof Conjugate fibers and nonwoven molding thereof

D - Textiles, Paper

01

F

18/585

D01F 8/06 (2006.01) D04H 1/42 (2006.01) D04H 1/54 (2006.01) H01B 1/12 (2006.01)

Patent

CA 1295797

ABSTRACT OF THE DISCLOSURE A conjugate fiber obtained by melt spinning (A) a crystalline poly-.alpha.-olefin and (B) an ethylene copolymer containing from 40 to 95% by weight of an ethylene unit and from 5 to 60% by weight of at least one dialkylaminoalkylacrylamide comonomer unit represented by formula (I): Image (I) wherein R1 represents a hydrogen atom or a methyl group, R2 and R3 each represents an alkyl group having from 1 to 4 carbon atoms; and n represents an integer of from 2 to 5, said ethylene copolymer having a melt index of from 10 to 1000 g/10 min as measured according to JIS K-6760, either by aligning the components (A) and (B) in parallel or by aligning the component (A) as a core and the component (B) as a sheath. The conjugated fiber is excellent in thermal adhesion, absorptivity by an acid aqueous solution, and dyeability and can easily be fabricated into a nonwoven fabric or nonwoven molding suited for various applications including separators of lead accumulators.

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