1.Experiment 1.1 raw materials Acrylic acid (AA), sodium methacrylate (MAS) and ammonium persulfate (APS) were all commercially available chemical reagents. The degree of polymerization of polyoxyvinyl allyl ester monomers was about 9, 23 and 35, respectively. Cement, p.o42.5r, produced by chongqing tenghui jiangjin cement factory. 1.2 synthesis method of polycarboxylic…
Graduated from Bohai University in 2002, Jack joined in technical department, possessing 17 years’ experience communicating with customers overseas.
Four years’ research and experiment in Shenyang University of Chemical Technology, Mike acknowledged product management processes under the guidance of his Professor, Mr. Liu, a well-known expert in Chemical College.
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