C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/22 (2006.01) C08K 5/58 (2006.01)
Patent
CA 2521237
The invention comprises a method for preparing a stabilizer comprising organotinthioalkanol comprising reacting the ingredients in a mixture comprising both alkyltin and dialkyltin containing compounds, a thioalkanol, an additional sulfur containing compound and optionally an oxygen containing compound. The amount of thioalkanol in the composition is limited to no more than about 0.5000 equivalent per equivalent of the alkyltin and dialkyltin containing compounds. There is also present from about 1 percent by weight to about 50 percent by weight, based on the weight of the organotinthioalkanol stabilizer of a low volatility, low water solubility, aliphatic hydroxyl-containing, liquid organic compound that is introduced into the reaction mixture following completion of the reaction. The invention includes the organotinthioalkanol stabilizer made by the above method.
Akzo Nobel N.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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