Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-07-18
1995-07-11
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156167, 156229, 156296, 1563082, 2641761, 428288, 428296, B32B 2714
Patent
active
054319862
ABSTRACT:
Spunbonded nonwoven nylon fabrics are formed from a blend of nylon 6 and nylon 6,6 polymers. A blend or copolymer of 0.1 to 10 percent by weight of nylon 6, balance nylon 6,6 is extruded into continuous filaments, pneumatically attenuated and drawn, and deposited onto a collection surface forming a web. The web is bonded either chemically or thermally. The fabric exhibits improved filament bonding. The addition of nylon 6 also improves the spinning performance of a nylon 6,6 spunbonded nonwoven process.
REFERENCES:
patent: 3344013 (1967-09-01), Fahrbach
patent: 3853659 (1974-12-01), Rhodes
patent: 4168195 (1979-09-01), Anderson et al.
patent: 4729923 (1988-03-01), Windley
patent: 5155178 (1992-10-01), Windley
patent: 5202178 (1993-04-01), Turner
Butler Robert A.
Edgar J. Don
Gill William T.
Ortega Albert E.
Shafer Charles F.
Bell James J.
Cerex Advanced Fabrics, L. P.
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