在回应，积极进取的化学品公司已加强了与东道国的替代溶剂，包括液体二氧化碳，有机硅，丙烯乙二醇醚，并改善了碳氢化合物。
In response, enterprising chemical companies have stepped up with a host of alternative solvents, including liquid carbon dioxide, silicones, propylene glycol ethers, and improved hydrocarbons.
以聚乙二醇- 200与丙烯酸直接缩合反应，在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇单酯。
Acrylate polyethylene glycol monoester was synthesized by condensation of PEG (200) and acrylic acid without water-carrying reaction.
以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料，以联二脲（LDA）、聚磷酸铵（APP）作为阻燃剂，制作了聚醚聚氨酯弹性体。
Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.
丙烯酸松香与乙二醇二缩水甘油醚酯化合成环氧树脂预聚体。
Prepolymer from acrylic acid rosin and ethylene diglycidyl ether was prepared by esterification between acrylic acid rosin and ethylene diglycidyl ether.
本文采用丙烯醇、不同分子量聚乙二醇(PEG)以及2,4 -甲苯二异氰酸酯(2,4 -TDI)为主要原料合成了系列不同分子量的非离子型可聚合聚氨酯表面活性剂。
A series of polymerizable nonionic urethane surfactants were synthesized with 2, 4-tolylene di-iso-cyanate (2, 4-tdi), polyethylene glycols (PEG) of different molecular weight and allyl alcohol.
本文采用丙烯醇、不同分子量聚乙二醇(PEG)以及2,4 -甲苯二异氰酸酯(2,4 -TDI)为主要原料合成了系列不同分子量的非离子型可聚合聚氨酯表面活性剂。
A series of polymerizable nonionic urethane surfactants were synthesized with 2, 4-tolylene di-iso-cyanate (2, 4-tdi), polyethylene glycols (PEG) of different molecular weight and allyl alcohol.
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