Sulfo-(combination) tin reverse-ester, preparation method and application
The invention relates to sulfo-(combination) tin reverse-ester which adopts the structure shown in a formula (I). The invention further provides a preparation method of the sulfo-(combination) tin reverse-ester and the application of the sulfo-(combination) tin reverse-ester in PVC heat stabilizer....
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to sulfo-(combination) tin reverse-ester which adopts the structure shown in a formula (I). The invention further provides a preparation method of the sulfo-(combination) tin reverse-ester and the application of the sulfo-(combination) tin reverse-ester in PVC heat stabilizer. The sulfo-(combination) tin reverse-ester creates sulfur bridges, increases sulfur tin bonds, and increases molecular weight; all the performances of the sulfo-(combination) tin reverse-ester are superior to those of the conventional tin reverse-ester heat stabilizer; and the sulfo-(combination) tin reverse-ester can be used as the novel PVC heat stabilizer with a better effect. In the preparation method, raw materials has low prices and are easy to get, a synthetic method adopts mild conditions and is simple and convenient to operate, and a favorable application prospect can be achieved. |
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