Ciba-geigy Corporation

Klaus-Peter Michaelis

Wolfgang Wehner

Horst Muller

Rainer Schneider

Hermann O Wirth

Holger Andreas

Chlorine-containing polymer containing (a) at least one compound of the formula I ##STR1## in which R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl, phenyl or phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl or halogen, n is 1 or 2 and, if n is 1, R is C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkyl which is substituted by --OH or --SH, C.sub.2 -C.sub.20 -alkyl which is interrupted by ##STR2## phenyl, phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl, benzyl, benzyl which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl or --NR.sup.2 R.sup.3 in which R.sup.2 and R.sup.3 are identical or different and are as defined for R.sup.1, and, if n is 2, R is a direct bond, C.sub.1 -C.sub.10 -alkylene, C.sub.1 -C.sub.10 -alkylene which is substituted by phenyl, benzyl, --OH, C.sub.1 14 C.sub.4 -alkoxy, C.sub.1 -C.sub.20 -acyloxy, phenylsulfonyl or C.sub.1 -C.sub.4 -alkylsulfonyl or C.sub.2 -C.sub.10 -alkylene which is interrupted by ##STR3## in which R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl, phenyl, benzyl, naphthyl, cyclohexyl or C.sub.1 -C.sub.20 -acyl, or R is also C.sub.2 -C.sub.10 -alkylidene, phenylene, benzylene or xylylene, and (b) at least one organotin compound and/or lead compound and/or organic antimony compound.

Stabilized chlorine-containing polymers

Compounds of formulae Ia and Ib ##STR1## wherein R.sup.1 is C.sub.6 -C.sub.22 alkyl, phenyl or phenyl which is substituted by one or two C.sub.1 -C.sub.9 alkyl groups, or is C.sub.5 -C.sub.7 cycloalkyl or a group of formula IIa or IIb ##STR2## or R.sup.1 is a group of formula IIIa or IIIb ##STR3## R.sup.2 and R.sup.3 are each independently of the other C.sub.1 -C.sub.20 alkyl, phenyl or phenyl which is substituted by one or two C.sub.1 -C.sub.9 alkyl groups, or are C.sub.5 -C.sub.7 cycloalkyl, and R.sup.4 is C.sub.2 -C.sub.12 alkylene, are suitable for stabilizing chlorinated polymers against light- and/or heat-induced degradation.

Alpha, beta-unsaturated carbonyl-containing carbonate stabilizers for

Compounds of formula I ##STR1## wherein R is --COOCH.sub.3, --COOC.sub.2 H.sub.5 or methyl, R.sub.1 is --COOR.sub.3, R.sub.2 is hydrogen, methyl or ethyl and R.sub.3 is C.sub.1 -C.sub.22 alkyl, are suitable for stabilizing organic polymers, in particular chlorinated thermoplastics, against the influence of heat and/or light.

Novel triazole derivatives and the use thereof for stabilizing organic

The compounds according to the invention correspond to the formula I ##STR1## in which R is a hydrocarbon radical, A is one of the groups --O.CO--, --O-- or ##STR2## (in which m is 0-30) and Q, depending on the definition of A, is a hydrocarbon radical, a P-containing radical, an N-heterocyclic group or a radical containing N-heterocyclic groups. The compounds according to the invention also include those which are formed by an addition reaction of an O,O-dialkyl dithiophosphate with an epoxidised soybean oil. The compounds according to the invention are very useful as lubricant additives.

Dithiophosphates

Compounds of the formula I, II, III or IV ##STR1## wherein X is halogen, OH, --OR.sup.1, --OOCR.sup.2, --OOC--R.sup.4 --COOR.sup.3 or --N(R.sup.5)(R.sup.6), or the two X groups together form a group --O--R.sup.9 --O-- or --OOC--R.sup.9 --COO--, Y has one of the meanings given for X, or it is --NHR.sup.5, --NHNH.sub.2 or --NHNH-phenyl, Z has one of the meanings given for X, or is --SR, and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.9 and R' are organic radicals having the meanings defined hereinbelow, are thermal stabilizers for chlorine-containing thermoplastics particularly for PVC. Their effect can be further intensified by the addition of co-stabilizers.

Novel organic antimony-sulfur compounds and their use as stabilizers for

The invention relates to alkanolamido-.beta.-carboxylic acid esters of the formula I ##STR1## A full definition of the above formula will be found in claim 1 of the specification. These compounds are useful stabilizers for chlorinated thermoplastics.

Imide containing stabilizers for chlorinated thermoplastics

Organo-tin compounds of the formula I ##STR1## wherein n is 1 or 2, R is hydrogen or a C.sub.1 -C.sub.18 acyl radical, X is oxygen or sulfur, and R' is C.sub.1 -C.sub.20 alkyl. These compounds are stabilizers for halogen-containing polymers. The starting materials for obtaining these compounds are also claimed.

Novel organo-tin compounds

Organotin compounds of the formula I ##STR1## wherein n is 1 or 2, and R is a C.sub.1 -C.sub.18 -acyl group, as stabilizers for halogen-containing polymers.

Novel organotin compounds

Organo-antimony compounds of the formula I ##STR1## wherein R is hydrogen or C.sub.1 -C.sub.18 acyl, R' is C.sub.1 -C.sub.20 alkyl or C.sub.1 -C.sub.18 acyl, and X is sulfur or oxygen. The compounds are stabilizers for halogen-containing polymers.

Growing community of inventors

Lindenfels, Germany

Klaus-Peter Michaelis