Abstract: The present invention relates to a stabilizer composition for halogen-containing thermoplastic resins, the stabilizer composition comprising

Abstract: The present invention relates to a stabilizer composition for weather-resistant halogen-containing thermoplastic resin compositions, in particular based on PVC. The stabilizer composition according to the invention contains at least one natural or synthetic hydrotalcite, at least one basic calcium-aluminum-hydroxy compound, selected from basic calcium-aluminum-hydroxy-phosphites and basic calcium-aluminum-hydroxy-carboxylates, and at least one polyol and/or at least one hydroxy group-containing isocyanurate.

Abstract: The invention describes basic calcium aluminum hydroxy phosphites of the general formulaCa.sub.x Al.sub.2 (OH).sub.2(x+3-y) (HPO.sub.3).sub.y.mH.sub.2 Owhereinx=2-12, ##EQU1## and m=0-12,with the proviso that y.noteq.1, if x=2-8.The compounds according to the invention are particularly suited as stabilizers for halogen-containing polymers, in particular PVC.

Abstract: The invention describes basic calcium aluminum hydroxide dicarboxylates of the general formulaCa.sub.x Al.sub.2 (OH).sub.2(x+3-y) A.sub.y .multidot.m H.sub.2 Owhereinx means 2 to 12, ##EQU1## m means 0 to 12, and A means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereof,with the proviso that y.noteq. 1, if x= 2-8and a process for their production.The compounds according to the invention are particularly suited as stabilizers for halogen-containing thermoplastic resins, in particular PVC.

Abstract: The invention describes basic calcium aluminum hydroxy phosphites of the general formulaCa.sub.x Al.sub.2 (OH).sub.2(x+2) HPO.sub.3 .multidot.mH.sub.2 Owhereinx=2-8 andm=0-12and a process for their production.The compounds according to the invention are especially suited as stabilizers for halogen-containing polymers, in particular PVC.

Abstract: The invention relates to a process for the direct synthesis of organotin compounds of the formulaR.sub.n SnCl.sub.4-nwhereinn=1-4, and,R=a linear or branched or cycloaliphatic alkyl having 4-18 C atoms,by reacting metallic tin with alkyl chlorides, characterized in that the reaction is carried out in the presence of amines of the general formulaA) R.sup.1.sub.a N [(CH.sub.2 CH.sub.2 O).sub.m CH.sub.2 CH.sub.2 OR.sup.2 ].sub.3-aand/or ammonium chlorides of the formulaB) R.sup.1.sub.b N [(CH.sub.2 CH.sub.2 O).sub.m CH.sub.2 CH.sub.2 OR.sup.2 ].sub.4-b.sup.Clwhereina=0, 1 or 2;b=0, 1, 2 or 3;R.sup.1 =linear or branched or cycloaliphatic alkyl having 2 to 24 C atoms, aryl, alkyl aryl or substituted aryl and, if a=2, or b=2 or 3, the R.sup.1 groups may be the same or different;R.sup.2 =H, linear or branched alkyl having 1 to 20 C. atoms, aryl, substituted aryl or alkyl aryl; andm=1-20.

Abstract: The invention describes basic calcium aluminum hydroxide dicarboxylates of the general formulaCa.sub.x Al.sub.2 (OH).sub.2(x+2) A . m H.sub.2 Owhereinx means 2-8,m means 0-12 andA means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereofand a process for their production.The compounds according to the invention are especially suited as stabilizers for halogen-containing, thermoplastic resins, in particular PVC.