glycols例句
2024年06月18日 05:29:21
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.
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.
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.