Optically active polyurethane was synthesized by the polyaddition of (2R, 3R)-(+)-diethyl L-tartrate (DET), 4,4’-diphenylmethane diisocyanate (MDI) and polyeth
Two kinds of fishbone-like, β-diketone-based liquid crystalline polysilsesquioxanes(FBDKLCP’S), homopolymeric (H-FBDKLCP) and copolymeric (C-FBDKaLCP) have been fir
The phase transition kinetics of thennotropic liquid crystalline aromatic-aliphatic regular copolyester: were studied by DSC. By means of Kissinger’s method th
Associations between the autumn Arctic sea ice concentration(SIC) and Asian winter temperature are discussed using the singular value decomposition analysis.Res