Antimicrobial siloxane quaternary ammonium salts

Details Antimicrobial siloxane quaternary ammonium salts Antimicrobial siloxane quaternary ammonium salts

C - Chemistry, Metallurgy

07

F

C07F 7/10 (2006.01) A01N 25/34 (2006.01) A01N 55/00 (2006.01) A61F 13/15 (2006.01) A61L 15/26 (2006.01) A61L 15/46 (2006.01) C07F 7/08 (2006.01) C08G 77/04 (2006.01) C08K 5/00 (2006.01) C08K 5/54 (2006.01) C08K 5/544 (2006.01) C08L 23/00 (2006.01) D04H 1/42 (2006.01)

Patent

CA 2103440

ABSTRACT OF DISCLOSURE A siloxane quaternary ammonium salt is provided 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. The siloxane quaternary ammonium salt possesses antimicrobial properties and is intended for inclusion in a ther- moplastic composition which can be melt extruded to form fibers and nonwoven webs, or other shaped articles, which exhibit antimicrobial properties.

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