| 摘要 |
<p>The mixture has a determined content of tin and diminishes premature colouration produced on heating to 177 degrees C. It consists of (a) at least one ester of organostannic mercaptoacid having, per atom of tin, two 1-30C hydrocarbon radicals and at least one 2C-60C mercaptocarboxylic acid ester radicals joined to the tin by a sulphur atom and (b) a complex of diorganostannic oxide and an oxygenated acid ester.</p> |
