发明授权
US5710086A Titanate catalysts 失效
钛酸盐催化剂

Titanate catalysts
摘要:
Reaction mixtures prepared from tetraalkyl titanates and mixtures of glycols, said reaction mixtures comprising titanium bisglycoxide oligomers, may be used as depolymerization catalysts for conversion of linear polyesters to macrocyclic polyester oligomers.
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