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US5675032A Process for the preparation of specific polyethylene glycol di (2-(4-chloro-2-methylphenoxy)-propionic acid ester mixtures 失效
制备特定聚乙二醇二(2-(4-氯-2-甲基苯氧基) - 丙酸酯混合物的方法

Process for the preparation of specific polyethylene glycol di
(2-(4-chloro-2-methylphenoxy)-propionic acid ester mixtures
摘要:
The present invention relates to an-economically and ecologically advantageous process, which is easy to carry out, for the preparation of specific polyethylene glycol diesters of 2-(4-chloro-2-methylphenoxy)-propionic acid, and to the substance mixture obtainable by this process and the use thereof as a root penetration inhibitor in building materials and insulating compositions, such as, for example, bitumen.
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