Specifically,suggestions for the projects of clean coal,propylene oxide,methyl-carbonate,polyether,cumene,acrylonitrile,propylene glycol ether,etc. were proposed.
The low-lengthed carboxylic ester, ethyl acetate is propoxylated by utilizing the novel catalyst above. ESI-MS and GC-MS and IR of the propoxylated product result demonstrates that the poly metal complex catalyst works effectively, which inserts ethylene oxide between the carbonyl carbon and the ester oxygen and propylene glycol ether acetate with other poly proylene glycol ether acetate is synthesized.
Individuals applying paint or other PPh-containing coatings may be exposed to this propylene glycol ether.
例句来源
The raw materials(propylene oxide),catalysts,and improvementof technical routes about propylene glycol ether were reviewed. The differe- nt synthesis processes wore compared.
A variety of improved cleaner technologies were recommended on the basis of the investigation of the technologies in the four largest chemical corporations in Shanghai.It will hopefully replace existing technologies which have led to serious pollution.Specifically,suggestions for the projects of clean coal,propylene oxide,methyl-carbonate,polyether,cumene,acrylonitrile,propylene glycol ether,etc.were proposed.