ptmg
abbr.
polytetra-methylene-ether-glycol 聚四亚甲基乙二醇醚;
polytetramethyleneglycol 聚丁二醇;
例句:
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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.