Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.

以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.

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A new process of Hydration of propylene oxide to glycols was introduced.

采用反应精馏新工艺由环氧丙烷水合制丙二醇.

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Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators.

以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.

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Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂.

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