Journal of Polymer Science, Part B: Polymer Physics

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Preparation and properties of nanocomposites based on acrylonitrile–butadiene rubber, styrene–butadiene rubber, and polybutadiene rubber
Journal of Polymer Science, Part B: Polymer Physics - Tập 42 Số 9 - Trang 1573-1585 - 2004
Susmita Dey Sadhu, Anil K. Bhowmick
AbstractNanocomposites were prepared with different grades of nitrile rubber with acrylonitrile contents of 19, 34, and 50%, with styrene–butadiene rubber (23% styrene content), and with polybutadiene rubber with Na‐montmorillonite clay. The clay was modified with stearyl amine and was characterized by X‐ray diffraction (XRD), Fourier transform infrared (FTIR) spec...... hiện toàn bộ
Modelling of water transport in ionic hydrophilic polymers
Journal of Polymer Science, Part B: Polymer Physics - Tập 32 Số 6 - Trang 1093-1103 - 1994
Deepak Hariharan, Nikolaos A. Peppas
AbstractWater and ion transport in thin sheets of initially dry, ionic, hydrophilic crosslinked polymers was modelled throughout the dynamic swelling process. The water transport was expressed in terms of a non‐Fickian equation with a diffusion term containing a Fujitatype concentration‐dependent diffusion coefficient coupled with a pseudoconvective term arising fr...... hiện toàn bộ
FTIR analysis of hydrogen bonding in amorphous linear aromatic polyurethanes. II. Influence of styrene solvent
Journal of Polymer Science, Part B: Polymer Physics - Tập 32 Số 8 - Trang 1315-1320 - 1994
Fu Cai Wang, M Feve, T. M. Lam, Jean‐Pierre Pascault
AbstractFourier‐transform infrared (FTIR) spectral studies were carried out on a polyurethane in styrene solutions at styrene concentrations from 30 to 90% (w/w). NH vibrations were studied in the stretching and bending regions. The results demonstrated that the NH groups of the polyurethane can hydrogen bond not only with the CO groups but also with other group...... hiện toàn bộ
Hole‐growth instability in the dewetting of evaporating polymer solution films
Journal of Polymer Science, Part B: Polymer Physics - Tập 40 Số 24 - Trang 2825-2832 - 2002
Xiaohong Gu, Dharmaraj Raghavan, Jack F. Douglas, Alamgir Karim
AbstractWe investigate the dewetting of aqueous, evaporating polymer [poly(acrylic acid)] solutions cast on glassy hydrophobic (polystyrene) substrates. As in ordinary dewetting, the evaporating films initially break up through the nucleation of holes that perforate the film, but the rapidly growing holes become unstable and form nonequilibrium patterns resembling ...... hiện toàn bộ
The equation of state and heat of fusion of poly(ether ether ketone)
Journal of Polymer Science, Part B: Polymer Physics - Tập 27 Số 5 - Trang 993-1007 - 1989
P. Zoller, Thomas A. Kehl, Howard W. Starkweather, Glover A. Jones
AbstractThe pressure‐volume‐temperature properties of poly(ether ether ketone) (PEEK) were studied experimentally at temperatures of 400°C and pressures to 200 MPa. Specific volume data were fitted successfully to the empirical Tait equation for T < Tg and T >...... hiện toàn bộ
Gravimetric study of high‐pressure sorption of gases in polymers
Journal of Polymer Science, Part B: Polymer Physics - Tập 24 Số 7 - Trang 1525-1539 - 1986
Yoshinori Kamiya, Takuji Hirose, Keishin Mizoguchi, Yasutoshi Naito
AbstractA gravimetric method for determining precisely the solubility of gases in polymers at high pressure is described. The solubilities of N2 and CO2 in low‐density polyethylene (LDPE); CO2 in polycarbonate (PC); and N2, CH4, C2H... hiện toàn bộ
Sorption and dilation in poly(ethyl methacrylate)–carbon dioxide system
Journal of Polymer Science, Part B: Polymer Physics - Tập 27 Số 4 - Trang 879-892 - 1989
Yoshinori Kamiya, Keishin Mizoguchi, Takuji Hirose, Yasutoshi Naito
AbstractSorption and dilation in the system poly(ethyl methacrylate) (PEMA) and carbon dioxide are reported for pressures up to 50 atm over the temperature range 15–85°C. The sorption isotherms were obtained gravimetrically. The dilation accompanying sorption was measured directly with a cathetometer. At low temperatures the sorption and dilation isotherms were con...... hiện toàn bộ
Nanocomposites polyurethane với các loại organoclay khác nhau: Tính chất nhiệt cơ, hình thái, và khả năng thẩm thấu khí* Dịch bởi AI
Journal of Polymer Science, Part B: Polymer Physics - Tập 40 Số 7 - Trang 670-677 - 2002
Jin‐Hae Chang, Yeong Uk An
AbstractCác tính chất của nanocomposite polyurethane (PU) với ba loại organoclay khác nhau đã được so sánh dựa trên độ ổn định nhiệt, tính chất cơ học, hình thái và khả năng thẩm thấu khí. Hexadecylamine–montmorillonite, dodecyltrimethyl ammonium–montmorillonite, và Cloisite 25A được sử dụng làm organoclay để tạo ra các phim PU hybrid. Các tính chất được kiểm tra n...... hiện toàn bộ
Sorption and swelling of semicrystalline polymers in supercritical CO2
Journal of Polymer Science, Part B: Polymer Physics - Tập 44 Số 11 - Trang 1531-1546 - 2006
Barbara Bonavoglia, Giuseppe Storti, Massimo Morbidelli, Arvind Rajendran, Marco Mazzotti
AbstractThe equilibrium sorption and swelling behavior of four different polymers—poly(methyl methacrylate), poly(tetrafluoroethylene), poly(vinylidene fluoride), and the random copolymer tetrafluoroethylene–perfluoromethylvinylether–in supercritical CO2—are studied at different temperatures (from 40 to 80 °C) and pressures (up to 200 bar). Swe...... hiện toàn bộ
Electronic structure and electrical properties of interfaces between metals and π‐conjugated molecular films
Journal of Polymer Science, Part B: Polymer Physics - Tập 41 Số 21 - Trang 2529-2548 - 2003
Antoine Kahn, Norbert Koch, Weiying Gao
AbstractThe field of organic thin films and devices is progressing at an extremely rapid pace. Organic–metal and organic–organic interfaces play crucial roles in charge injection into, and transport through, these devices. Their electronic structure, chemical properties, and electrical behavior must be fully characterized and understood if the engineering and contr...... hiện toàn bộ
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