Some nove polyimides containing bisthiazole rings were prepared by reacting 2,2’-diamino-4, 4’-bisthiazole (DABT) with different aromatic dianhydride. The polyi
Two series of polyurethanes based on mixed polychloromethyl methyl siloxane and poly-tetramethylene oxide in different weight fractions were synthesized. The ph
It was first found that Ind2Y(μ-Et)2A1Et2 and Ind2LnN(i-Pr)2 (Ln = Y, Yb) exhibit extremely high catalytic activity in the polymerization of methyl methacrylat
The photosensitive system which can initiate methyl methacrylate with visible light was composedof compound 1 bis(η-5-cyclopentadienyl)-bis[2,6-difluoro-3-(1-H-py
Silica-bound 15-Crown-5, 18-Crown-6 with a spacer of propyloxymethyl and their platinum complexes have been synthesized. It was found that they were efficient c
The <sup>13</sup>C T<sub>1s</sub> of --CH<sub>3</sub> side group in PPU/P (St-co-AA), AB-crosslinked polymers (i. e.ABCP) was studied by using high resolution solid
A series of acrylonitrile (AN) copolymers with methyl acrylate (MA) or ethyl acrylate(EA) as comonomer (5--23 wt%) was prepared by free-radical copolymerization