Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Eckhard W. Hellmuth"'
Publikováno v:
Macromolecular Rapid Communications. 21:481-484
Polyimides can be synthesized from a diamine-acid salt and a dianhydride in the presence of excess triethylamine, thereby avoiding the use of air-sensitive aromatic diamine compounds as monomers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b51c36027b1d157594f96f96d4b750d1
https://doi.org/10.1002/(sici)1521-3927(20000501)21:8<481::aid-marc481>3.0.co
https://doi.org/10.1002/(sici)1521-3927(20000501)21:8<481::aid-marc481>3.0.co
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 36:3049-3056
Positron annihilation lifetime (PAL) spectroscopy has been employed to study subnanometer hole properties in polysulfone (PSF). In this study, hole properties of size, fraction, and distribution of PSF exposed to CO 2 are reported. In the PSF/CO 2 sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78f08aabb6a2bb75ee7429341b486063
https://doi.org/10.1002/(sici)1099-0488(199812)36:17<3049::aid-polb5>3.0.co
https://doi.org/10.1002/(sici)1099-0488(199812)36:17<3049::aid-polb5>3.0.co
Publikováno v:
Pharmaceutical Research. 14:601-605
Purpose. Calculation of the ideal solubility of a crystalline solute in a liquid solvent requires knowledge of the difference in the molar heat capacity at constant pressure of the solid and the supercooled liquid forms of the solute, ΔCp. Since thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a12c541029ebba87e2df9b43975bfba
https://doi.org/10.1023/a:1012148910975
https://doi.org/10.1023/a:1012148910975
Publikováno v:
Journal of Non-Crystalline Solids. 204:158-163
The thermal conductivity of an amorphous polymer (Scotchcast-8) were measured in its densified and undensified states. The densified sample was compressed under a pressure of 15 GPa for 2 h at room temperature. The thermal conductivity of this densif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bcef084aa14b04700f1b544fcf9ae8c
https://doi.org/10.1016/s0022-3093(96)00407-3
https://doi.org/10.1016/s0022-3093(96)00407-3
Publikováno v:
International Journal of Pharmaceutics. 99:303-310
The crystalline nature of β-adrenergic antagonist racemates was characterized by differential scanning calorimetry. Melting point phase diagrams were prepared for the free base and hydrochloride salt forms of bevantolol, pindolol and propranolol. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20282c5a32951212fc86fd7697621c54
https://doi.org/10.1016/0378-5173(93)90373-n
https://doi.org/10.1016/0378-5173(93)90373-n
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 31:729-733
Materials that polymerize without substantial volume contraction have numerous valuable applications in dentistry and other fields. Two new symmetrical aliphatic spiro-orthocar-bonates, formulated from cis- and trans-2-hydroxymethyl-cyclohexanol to g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41c28fa0506fd9ebfe60e9fef6c90366
https://doi.org/10.1002/polb.1993.090310613
https://doi.org/10.1002/polb.1993.090310613
Autor:
Qi Lin Deng, S. Sung, C.F. Tsai, K.L. Cheng, G.M. Zhou, X. Lu, S.Y. Shen, M.F. Lou, Eckhard W. Hellmuth, Yan Ching Jean, T.A. Mahmoud
Publikováno v:
Materials Science Forum. :1541-1544
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26a21b03b112630bcf47b5f038b390ea
https://doi.org/10.4028/www.scientific.net/msf.105-110.1541
https://doi.org/10.4028/www.scientific.net/msf.105-110.1541
Publikováno v:
Journal of Applied Polymer Science. 26:2197-2204
Various reaction parameters in a propylene glow discharge polymerization were investigated with the objective of synthesizing films having good adhesion to metal and glass substrate. Monomer flow rate (at a constant pumping efficiency) was found to e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36c1d8ac3c1ccd42b72c53111d689a36
https://doi.org/10.1002/app.1981.070260708
https://doi.org/10.1002/app.1981.070260708
Publikováno v:
Journal of Applied Physics. 49:5055-5059
The glow‐discharge polymerization of propylene has been studied using an electrodeless electromagnetically coupled (inductive coupling perpendicular to the reactor) tubular reactor operating at a radio frequency of 27.1 MHz. The effects of monomer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb7c48e548e2756f44bcc67fe0cdb93
https://doi.org/10.1063/1.324441
https://doi.org/10.1063/1.324441
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 13:2143-2150
On the basis of values of Mark–Houwink constants of rigid rod—polymer systems and their conformers a unique stage can be recognized which is common to all polymers of this type, independent of polymer conformation and solvent medium. The crude va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60ca9c581ec4956304335b7289917347
https://doi.org/10.1002/pol.1975.170130918
https://doi.org/10.1002/pol.1975.170130918