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US5055606A Alkylthiopropionic pentaerythritol esters and solvent refining thereof 失效
烷基硫代丙酸季戊四醇酯及其溶剂精制

Alkylthiopropionic pentaerythritol esters and solvent refining thereof
摘要:
3-alkylthiopropionic acids which are esterified with pentaerythritol are provided. The esters are solvent refined with especially effective organic solvent blends. Tetraesters thus processed are especially useful as stabilizers for polymer resins and polymers.
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