Antiadhesive Polymers for Prevention of Adhesion of Microorganisms to Textiles and for Prevention of Laundry Odor
Textile treatment agents and/or capsules comprising a polymer having antiadhesive action against microorganisms which adhere to a textile substrate, methods of treating textile substrates therewith and the textile so treated, wherein the polymer comprises a polymeric structural element selected from the group consisting of polyesters, polysaccharides, polyethers, polyurethanes, polyureas, polyamides, and heteropolymers thereof.
1 - 27 . (canceled)
28 . A method comprising:
(a) providing a textile substrate;
(b) contacting the substrate with a polymer such that adhesion of a microorganism to the substrate is reduced.
29 . The method according to claim 28 , wherein the polymer comprises a polymeric structural element selected from the group consisting of polyesters, polysaccharides, polyethers, polyurethanes, polyureas, polyamides, and heteropolymers thereof.
30 . The method according to claim 28 , wherein the polymer comprises a polymeric structural element selected from the group consisting water-soluble polyethylene glycols and copolymers of ethylene glycol and propylene glycol having a molecular weight of about 100 to about 50,000 g/mole.
31 . The method according to claim 29 , wherein the polymer comprises a graft copolymer and the polymeric structural element represents a graft base of the graft copolymer.
32 . The method according to claim 31 , wherein the graft copolymer comprises graft branches obtained by reacting an ester of an unsaturated C 1-6 alcohol with linear or branched saturated monocarboxylic acids having 2 to 24 C atoms.
33 . The method according to claim 30 , wherein the polymer comprises a polyurethane having the polymeric structural element incorporated therein.
34 . The method according to claim 33 , wherein the polymeric structural element is incorporated into the polyurethane with a diisocyanate.
35 . The method according to claim 34 , wherein the polyurethane further comprises a short-chain, non-polymeric diol monomer.
36 . The method according to claim 28 , wherein the polymer comprises a polyurethane prepared by a process comprising: reacting (i) a diisocyanate, (ii) a polyethylene glycol having a molecular weight of about 11,000 to 13,000 g/mole, (iii) a diol having 16 to 20 C atoms, and (iv) a diol having 4 to 8 C atoms; in a ratio of about 4:1:2.2:1.
37 . The method according to claim 28 , wherein the polymer comprises a polyurethane prepared by a process comprising: reacting (i) a diisocyanate, (ii) a polyethylene glycol having a molecular weight of about 5,000 to 7,000 g/mole, (iii) a diol having 16 to 20 C atoms, and (iv) a prePU having a molecular weight of 2,500 to 3,500 g/mole; in a ratio of about 6.1:1:1.7:4.
38 . The method according to claim 28 , wherein the polymer comprises a polyurethane prepared by a process comprising: reacting (i) a diisocyanate, (ii) a polyethylene glycol having a molecular weight of about 5,000 to 7,000 g/mole, and (iii) a polyethylene glycol having a molecular weight of about 500 to 700 g/mole; in a ratio of about 1:0.1:1.
39 . The method according to claim 28 , wherein the polymer comprises a graft copolymer prepared by a process comprising: grafting a polyethylene glycol having a molecular weight of about 5,000 to 7,000 g/mole with an ester of a C 2-6 enol and a C 2-4 carboxylic acid, wherein a ratio of percentages by weight of polyethylene glycol to ester is 50:50 to 199:1 in the grafting mixture.
40 . A capsule comprising a polymer having antiadhesive action against microorganisms which adhere to a textile substrate.
41 . The capsule according to claim 40 , wherein the capsule has a polymeric matrix structure.
42 . The capsule according to claim 41 , wherein the polymeric matrix structure comprises a matrix material selected from the group consisting of alginate, carrageenan, gellan gum and mixtures thereof.
43 . The capsule according to claim 40 , wherein the polymer comprises a polymeric structural element selected from the group consisting water-soluble polyethylene glycols and copolymers of ethylene glycol and propylene glycol having a molecular weight of about 100 to about 50,000 g/mole.
44 . The capsule according to claim 43 , wherein the polymer comprises a polyurethane having the polymeric structural element incorporated therein.
45 . The capsule according to claim 44 , wherein the polymeric structural element is incorporated into the polyurethane with a diisocyanate.
46 . The capsule according to claim 45 , wherein the polyurethane further comprises a short-chain, non-polymeric diol monomer.
47 . A textile treatment agent comprising a polymer having antiadhesive action against microorganisms which adhere to a textile substrate.
48 . A textile substrate treated with a textile treatment agent according to claim 47 .