Title: Crimpable nylon bicomponent filament and fabrics made therefrom

Abstract: A crimpable, nylon bicomponent filament having a sheath of a selected polyamide on an eccentric core of a random copolymer of hexamethylene dodecanedioamide and .epsilon.-caproamide units. The copolymer contains about 25-45% by weight of .epsilon.-caproamide units.

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Inventors: Segraves, William Benjamin (Martinsville, VA, US)
Mulholland, Kenneth Lee (Hockessin, DE, US)

Application Number: 702446
Filing Date: 1976-07-06
Publication_date: 1978-01-17
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Primary Class(es): 442/311 66/178A, 66/202, 428/359, 428/362, 428/370, 428/374, 428/397
Other Classes:
US Patent Ref:

3399108	Aug, 1968	Olson	428/229.
3418199	Dec, 1968	Anton et al.	428/374.
3526571	Sep, 1970	Ogata	428/373.
3574047	Apr, 1971	Ando et al.	428/374.
3667207	Jun, 1972	Ben et al.	264/171.
3779853	Dec, 1973	Olson	264/168.

Other Refs:
Primary Examiner: Kendell, Lorraine T.
Assistant Examiner:
Attorney: