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    • 9. 发明授权
    • Conjugate fibers and nonwoven molding thereof
    • 共轭纤维及其非织造成型
    • US4840847A
    • 1989-06-20
    • US189439
    • 1988-05-02
    • Tadayuki OhmaeTadashi SakuraiKouichiro Asao
    • Tadayuki OhmaeTadashi SakuraiKouichiro Asao
    • C08F20/52C08F210/00C08F210/02C08F220/60D01F8/06D01F8/10D04H1/541H01B1/12H01M2/16
    • D04H1/54D01F8/06H01B1/122H01M2300/0005Y10T428/24694Y10T428/2929Y10T428/2931Y10T442/641Y10T442/68
    • 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): ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; R.sub.2 and R.sub.3 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.
    • 通过熔融纺丝(A)结晶聚α-烯烃和(B)含有40至95重量%乙烯单元和5至60重量%的至少一种二烷基氨基烷基丙烯酰胺共聚单体的乙烯共聚物获得的复合纤维 由式(I)表示的单元:其中R 1表示氢原子或甲基; R2和R3各自表示具有1至4个碳原子的烷基; n表示2〜5的整数,根据JIS K-6760测定,所述乙烯共聚物的熔融指数为10〜1000g / 10min,通过将组分(A)和(B)平行排列 或通过将组分(A)作为芯和组分(B)作为护套对准。 复合纤维的热粘合性,酸性水溶液的吸收性和染色性优异,并且可以容易地制成适用于各种应用的无纺织物或非织造模制品,包括铅蓄电池的分离器。