在采用高真空两级薄膜蒸发分离甲苯二异氰酸酯（TDI）-三羟甲基丙烷（TMP）聚氨酯固化剂中游离TDI的实验研究基础上，进行了中试研究。
The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.
该粘合剂一改以往自交联反应单体采用羟甲基丙烯酰胺，使粘合剂游离甲醛超标的弊端。
While conventional adhesive will cause free formaldehyde because of using another self-crosslinking reactive monomer methylol acrylamide.
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