Basic calcium/zinc mixed soaps

Details Basic calcium/zinc mixed soaps Basic calcium/zinc mixed soaps

C - Chemistry, Metallurgy

11

D

C11D 9/06 (2006.01) C07C 51/41 (2006.01) C07C 53/126 (2006.01) C07C 53/128 (2006.01) C07C 57/03 (2006.01) C07C 57/12 (2006.01) C07C 59/01 (2006.01) C07C 59/185 (2006.01) C07F 3/06 (2006.01) C08K 5/098 (2006.01) C08L 27/06 (2006.01)

Patent

CA 2156929

Calcium/zinc mixed soaps are provided corresponding to the formula: (CaO)n .cndot. Zn(OOCR1)2 in which R1 represents one or more alkyl, alkenyl, hydroxyalkyl, hydroxyalkenyl radicals containing 7 to 21 carbon atoms or ketoalkyl radicals containing 11 to 21 carbon atoms and n is a number of 0.1 to 2.5, the basic calcium/zinc mixed soaps being dissolved or suspended in typical lubricants for halogen-containing plastics, prepared by adding calcium oxide or calcium hydroxide to a melt containing zinc soaps Zn(OOCR1)2, where R1 is as already defined, and typical lubricants with low melt viscosities for halogen- containing plastics in a quantity of 0.1 to 2.5 moles of calcium oxide or calcium hydroxide per mole of zinc soap. Such soaps are useful as stabiliser compositions for halogen- containing thermoplastics which contain basic calcium/zinc mixed soaps dissolved or suspended in lubricants. Also provided is a process for the production of the basic calcium/zinc mixed soaps.

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