Composition comprising water composed of 3 - isotiazolona microbicidamente active and an effective quantity of a stabilizing agent of the type composed of iodosila or iodila unsaturated cyclic and processStabilisation of a 3 - isotiazolona microbicidamente active in an aqueous solution

摘要

Compositions comprising water, microbicidally active 3- isothiazolone compound, and an effective stabilizing amount of unsaturated, cyclic iodosyl or iodyl compound of formula I and II ##STR1## wherein: X=C(O), SO.sub.2, OPO.sub.3 H, CH.sub.2 C(O);P PY=O, NR.sup.3 ; PPR.sup.1 =H, Cl, Br, I, substituted or unsubstituted C.sub.1 -C.sub.18 alkyl, substituted or unsubstituted C.sub.2 -C.sub.18 alkenyl, substituted or unsubstituted C. sub.4 -C.sub.6 aryl, substituted or unsubstituted C.sub.7 -C.sub.10 aralkyl;PPR.sup.2 =H, Cl, Br, I, substituted or unsubstituted C.sub.1 -C.sub.18 alkyl, substituted or unsubstituted C.sub. 2 -C.sub.18 alkenyl, substituted or unsubstituted C.sub.4 -C.sub.6 aryl, substituted or unsubstituted C.sub.7 -C.sub.10 aralkyl, SO.sub.3 H, CO. sub.2 R.sup.4, C(O)NR.sup.5 R.sup.6 ;P PR.sup.1 and R.sup. 2 may by joined to form a substituted or unsubstituted 5 or 6 membered ring, optionally fused to another 5 or 6 membered aromatic ring;P PR.sup.3 =H, C(O)R.sup.7, substituted or unsubstituted C.sub.1 -C. sub.18 alkyl, substituted or unsubstituted C.sub.2 -C.sub.18 alkenyl, substituted or unsubstituted C. sub.4 -C.sub.6 aryl, substituted or unsubstituted C.sub.7 -C.sub.10 aralkyl;PPR.sup.4 =H, substituted or unsubstituted C.sub. 1 -C.sub.18 alkyl, substituted or unsubstituted C.sub.2 -C.sub.18 alkenyl, substituted or unsubstituted C. sub.4 -C.sub.6 aryl, substituted or unsubstituted C.sub.7 -C.sub.10 aralkyl, (CH.sub.2 CH.sub.2).sub.p --OH, M;PPR.sup.5 =H, substituted or unsubstituted C.sub.1 -C. sub.18 alkyl, CH.sub.2 CH.sub.2 SO.sub.3 H, CH.sub.2 CH.sub.2 SO.sub.3 M; PPR.sup.6 =H, substituted or unsubstituted C.sub.1 -C.sub. 18 alkyl;PPR. sup.7 =H, substituted or unsubstituted C.sub. 1 -C.sub.18 alkyl, substituted or unsubstituted C.sub.2 -C.sub.18 alkenyl, substituted or unsubstituted C.sub.4 -C.sub.6 aryl, substituted or unsubstituted C.sub.7 -C.sub.10 aralkyl;PPR.sup.8, R.sup. 9, R.sup.10 are independently selected from the group consisting of CN, OH, C.sub.1 -C. sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, Cl, Br, F, NO.sub.2, SO.sub.3 H, SO. sub.3 M, OCH.sub.2 CH.sub.2 N.sup.+ R.sup.6 3 X.sup.-, CO. sub.2 H, CO. sub.2 M, OPO.sub.3 H;PPM=a monovalent or divalent metal cation;PPX=halogen;PPn=0, 1; andP Pp=1-30, are disclosed. Also disclosed are methods of stabilizing a microbicidally active 3-isothiazolone in a water solution comprising introducing an effective stabilizing amount of unsaturated, cyclic iodosyl or iodyl compound of formula I and II.