C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
260/471, 260/486
C08K 5/37 (2006.01) C07F 3/00 (2006.01)
Patent
CA 1117971
Abstract of the Disclosure A process for preparing alkaline earth metal mercaptides in a two-step process, useful as synergists for organotin stablizers in halogen containing resins such as polyvinyl chloride, comprising: (1) reacting a metallic oxide or hydroxide of the metal desired in the final mercaptide; a magnesium aluminum or calcium alkoxide; and an alcohol to provide an alkoxide of the metal of the final mercaptan; and then (2) reacting the final alkoxide of (1) with a mercaptan to provide the desired metal mercaptide.
319489
Borden Ladner Gervais Llp
Pennwalt Corporation
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