the National Natural Science Foundation of China (Grant Nos. 20574075, 20774099, 20423003 and 50521302)
Hyperbranched polymer-cored star polyfluorenes with high molecular weights and narrow molecular weight distribution were prepared by palladium-catalyzed one-pot Suzuki polycondensation of multi- functional cores and a...
the Outstanding Youth Fund of the National Natural Science Founda-tion of China (Grant No 20425414);National Natural Science Foundations of China (Grant Nos. 50521302, 20423003, 20574079,and 20604031);State "973" Pro-grams from the Ministry of Science and Technology of China (Grant No.2003CB615602)
Crystallization behavior and resultant crystalline structure of a series of temperature-rising elu-tion-fractionated specimen of a Ziegler-Natta catalyst-synthesized propylene-ethylene random co-polymer were studied b...
the Outstanding Youth Fund and the National Natural Science Founda-tion of China (Grant Nos. 50521302, 20574079 and 20423003)
The isothermal and non-isothermal crystallization kinetics of LCBPP and linear-iPP was investigated by optical microscopy and differential scanning calorimetry (DSC). The optical microscopy results in the isothermal c...
Supported by the National Natural Science Foundation of China (Grant Nos. 50403008 and 20423003);the NSFC Fund for Creative Research Groups (Grant No. 50621302)
Morphology of synthetic imogolite nanotubes formed in droplet evaporation was investigated by transmission electron microscopy and electron diffraction. The nanotubes form a dense entangled network at higher concentra...
This work was supported by the National Natural Science Foundation of China(Grant Nos.20425414,20374056,20304018,50521302 and 20423003);the 973 Programs from M0ST of China.
Highly oriented ultrathin polyethylene (PE) films were prepared by a melt-draw technique. Transmission electron microscopy study on the obtained ultrathin films indicates that the melt drawn PE thin films consist of h...
This work was supported by the National Natural Science Foundation of China (Grant Nos. 20225415, 20423003 and 20374053);the Major State Basic Research Development Program (Grant No. 2002CB613401).
Porphyrin-containing conjugated poly- mers with fluorene or carbazole as spacer groups were prepared by Sonogashira cross-coupling reac- tions. The polymers were of high molecular weight and the flexible alkyl chains ...