Transition 2009,中国聚合物网

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Molecular Mobility and Glass Transition of Thin Films of Poly(bisphenol A carbonate)
Glass transition behavior of thin poly(bisphenol A carbonate) (PBAC) films capped between two aluminum (Al) layers is investigated by means of dielectric expansion dilatometry and dielectric relaxation spectroscopy accompanied by contact angle measurements. The thermal glass transition temperature is more or less independent of the film thickness down to 20 nm. For thickness below 20 nm, an i...
http://www.polymer.cn//ss/hjyin/publicationsshow_3637.html

Thermally Induced Phase Transition of Glucose-sensitive Core-shell Microgels
Four series of poly(N-isopropylacrylamide) (PNIPAM) (core)/poly(N-isopropylacrylamide-co-3-acrylamidophenylboronic acid) (P(NIPAM-AAPBA)) (shell) microgels were synthesized by the modification of PNIPAM (core)/poly(N-isopropylacrylamide-coacrylic acid) (P(NIPAM-AA)) (shell) microgels with 3-aminophenylboronic acid (APBA). Their thermosensitive behaviors were studied by dynamic light scattering. Tw...
http://www.polymer.cn//ss/zhangyongjun/publicationsshow_3270.html

65. Dendritic-to-faceted crystal pattern transition of ultrathin poly(ethylene oxide) films
The detailed Tc-sensitive crystal pattern transition from dendrites through fourfold-symmetric structures to faceted crystals of ultrathin poly(ethylene oxide) films has been experimentally observed using atomic force microscopy. The transition has been quantitatively described by the Tc-dependences of the fractal dimension and of the velocity ratio caused by forward and transverse growths i...
http://www.polymer.cn//ss/wangwei/publicationsshow_3096.html

Synthesis and phase transition of cellulose-graft-poly(ethylene glycol) copolymers
Cellulose-graft-poly(ethylene glycol) copolymers were synthesized, and the thermal properties of the copolymers were investigated. The cellulose-graft-poly(ethylene glycol) copolymers showed solid-solid phase-transition behavior with a high thermal storage density and good thermal stability in the temperature region of 25-250 degrees C. The phase-transition temperature and enthalpy of the cel...
http://www.polymer.cn//ss/rgliu/publicationsshow_2963.html

Synthesis and Electrochemical Properties of Layered Lithium Transition Metal Oxides
Layered lithium transition metal oxide cathode materials which had spherical morphology with primary nanoparticles assembled in secondary micropartciles were generally synthesized through a simple carbonate co-precipitation method.
http://www.polymer.cn//ss/liuzhaoping/publicationsshow_2837.html

Forward tunneling effect and metal-insulator transition in the BaTiO3 film/Si n-n heterojunction
A n-n heterojunction composed of BaTiO3 film and silicon substrate was fabricated, and it shows good rectifying properties in the temperature range of 80–300 K. The forward tunneling effect in the junction at low temperatures (200 K) is proved by the phenomenon that the current increases abruptly when the forward electrical voltage exceeds a high threshold (12 V). The temperature dependence...
http://www.polymer.cn//ss/xueqingzhong/publicationsshow_2661.html

97. Phase transition and rheological behaviors of concentrated cellulose/ionic liquid solutions
暂无。
http://www.polymer.cn//ss/zhigangwang/publicationsshow_2594.html

21. Brittle-tough transition in PP/EPDM blends: Effects of interparticle distance and temperature
暂无。
http://www.polymer.cn//ss/zhigangwang/publicationsshow_2487.html

14. Effect of r-irradiation on brittle-tough transition of PBT/EPDM blends
暂无。
http://www.polymer.cn//ss/zhigangwang/publicationsshow_2477.html

Recent Progress in the Vinylic Polymerization and Copolymerization of Norbornene Catalyzed by Transition Metal Catalysts.
Here progress in the development of the catalytic addition polymerization and copolymerization of norbornene by various transition-metal complexes is described. A full literature account is given in this review mostly covering the years of 2000 to the early of 2009. The interest in vinyl homo-polynorbornene is driven by its dielectric and mechanical properties for the technical application as an i...
http://www.polymer.cn//ss/baofeng/publicationsshow_2240.html

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