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為原料,制備了 PU 彈性體.
A new process of Hydration of propylene oxide to
glycols was introduced.
采用反應(yīng)精餾新工藝由環(huán)氧丙烷水合制丙二醇.
Polyoxyethylene
glycols containing tertiary amine groups were synthesized with different amine initiators.
以胺類化合物為起始劑,制備了幾種含叔胺基的聚氧化乙烯二醇.