Non-woven web containing antimicrobial siloxane quaternary ammon

Details Non-woven web containing antimicrobial siloxane quaternary ammon Non-woven web containing antimicrobial siloxane quaternary ammon

1998-04-20

1998-12-29

Wilson, Donald R.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coating or impregnation functions biologically

424403, 424443, 525102, 524188, 556423, D04H 300, D01R 110

Patent

active

058541470

ABSTRACT:
A non-woven web having antimicrobial properties made from a melt-extrudable thermoplastic composition. The thermoplastic composition includes a thermoplastic polyolefin and an additive. The additive is an antimicrobial siloxane quaternary ammonium salt which can be either of two general classes: (1) a trisiloxane having a pendent quaternary ammonium group and a molecular weight of from about 600 to about 1,700; and (2) an ABA-type siloxane having a polydispersity of up to about 3.0 and a weight-average molecular weight of from about 800 to about 2,000, in which a central siloxane moiety is terminated at each end by a quaternary ammonium salt group. The anion in general can be any anion which does not adversely affect the thermal stability of the salt.

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