Pressure sensitive adhesives having quaternary ammonium functionality, articles, and methods
First Claim
1. A pressure sensitive adhesive composition comprising a pressure sensitive adhesive polymer comprising:
- at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25°
C.;
wherein the pressure sensitive adhesive polymer includes covalently bonded quaternary ammonium functionality.
1 Assignment
0 Petitions
Accused Products
Abstract
A pressure sensitive adhesive composition is provided that includes a pressure sensitive adhesive polymer. The polymer includes: at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25° C.; at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25° C.; covalently bonded quarternary ammonium functionality; and, optionally, at least one copolymerized monoethylenically unsaturated poly(alkylene oxide) monomer. The composition optionally further includes at least one nonreactive poly(alkylene oxide) polymer and/or at least one antimicrobial agent.
-
Citations
51 Claims
-
1. A pressure sensitive adhesive composition comprising a pressure sensitive adhesive polymer comprising:
-
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25°
C.;
wherein the pressure sensitive adhesive polymer includes covalently bonded quaternary ammonium functionality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 27, 28, 29, 30, 31, 32, 33, 44)
-
-
16. A pressure sensitive adhesive composition comprising a pressure sensitive adhesive polymer comprising:
-
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C. - View Dependent Claims (34, 45)
-
-
17. A pressure sensitive adhesive composition comprising a pressure sensitive adhesive polymer comprising:
-
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.;
at least one copolymerized quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C.; and
at least one copolymerized poly(alkylene oxide) (meth)acrylic acid ester monomer. - View Dependent Claims (18, 19, 35, 46)
-
-
20. A pressure sensitive adhesive composition comprising:
-
at least one antimicrobial agent; and
a pressure sensitive adhesive polymer comprising;
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.;
at least one copolymerized quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C.; and
at least one copolymerized poly(alkylene oxide) (meth)acrylic acid ester monomer. - View Dependent Claims (36, 47)
-
-
21. A pressure sensitive adhesive composition comprising:
-
at least one nonreactive poly(alkylene oxide) polymer; and
a pressure sensitive adhesive polymer comprising;
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C. - View Dependent Claims (22, 23, 37, 48)
-
-
24. A pressure sensitive adhesive composition comprising:
-
at least one antimicrobial agent;
at least one nonreactive poly(alkylene oxide) polymer; and
a pressure sensitive adhesive polymer comprising;
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C. - View Dependent Claims (38, 49)
-
-
25. A pressure sensitive adhesive composition comprising a pressure sensitive adhesive polymer comprising:
-
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25°
C.;
wherein the pressure sensitive adhesive polymer includes covalently bonded quaternary ammonium functionality and no more than about 5 weight percent of copolymerized acidic monomers, based on the total weight of pressure sensitive adhesive polymer. - View Dependent Claims (39, 50)
-
-
26. A pressure sensitive adhesive composition comprising a chlorhexidine-compatible pressure sensitive adhesive polymer comprising:
-
at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25°
C.; and
at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25°
C.;
wherein the pressure sensitive adhesive polymer includes covalently bonded quaternary ammonium functionality. - View Dependent Claims (40, 51)
-
-
41. A method of making a pressure sensitive adhesive composition, the method comprising combining under conditions effective to cause polymerization:
-
at least one monoethylenically unsaturated (meth)acrylic acid ester monomer, which when homopolymerized, has a Tg of less than about 25°
C.;
at least one quaternary ammonium monomer, wherein the quaternary ammonium monomer, when homopolymerized, has a Tg of at least about 25°
C.; and
optionally at least one monoethylenically unsaturated poly(alkylene oxide) monomer. - View Dependent Claims (42, 43)
-
Specification