Patent ID: 6194530
Filing Date: 2001-02-27
Classification: A01N,C07C,C08F

Abstract:
Polymers with antimicrobial properties, comprising:a) 99 to 40% by weight of a nonfunctional polymerizable monomer having a terminal ethylenically unsaturated group; andb) 1 to 60% by weight of a functional polymerizable monomer having a terminal ethylenically unsaturated group of general formula (I)[V--A.sub.y --HSp].sub.m --N.sup..sym. (R.sup.1).sub.4-(m+t) --(R.sup.2).sub.t.X.sup.- (I)whereinV=vinyl, (meth)acroyl, allyl or styryl;A=a linking unit selected from the group consisting of an alkyl group, an aryl group, an arylalkyl group or a hydroxyalkyl group, a urethane group, a carbonate group, an ester group, an amide group and an ether group;where y=0 or 1;Hsp=a hydrophilic spacer of general formula(i) --(O--CH.sub.2 --CH.sub.2).sub.r -- and/or(ii) --(O--CH.sub.2 --CH(CH.sub.3)).sub.swhere r=0 to 40, s=0 to 40 and r+s=2 to 40; andwhereinm=1, 2 or 3;R.sup.1 =CH.sub.3, ethyl or benzyl;R.sup.2 =an alkyl residue with 8 to 20 C atoms, where t=1, 2 or 3; andX.sup.- =Cl.sup.-, Br.sup.-, I.sup.- or (alkyl sulfate).sup.-.