Zobrazeno 1 - 10
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pro vyhledávání: '"Jack L. Koenig"'
Autor:
Jack L. Koenig, Michael R. Krejsa
Publikováno v:
Elastomer Technology Handbook ISBN: 9780138758851
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee767af41183574d10b32d5c8e425a68
https://doi.org/10.1201/9780138758851-11
https://doi.org/10.1201/9780138758851-11
Autor:
Jack L. Koenig, John P. Bobiak
Publikováno v:
Macromolecular Materials and Engineering. 292:801-816
This work reviews principles of Raman and infrared imaging, as well as applications of the art to understand physiochemical phenomena in polymer systems. Image sequences may be assessed in terms of spatial or spectral changes that occur over time, ei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::343be1975641774da9ed5d3c9eec3f47
https://doi.org/10.1002/mame.200700018
https://doi.org/10.1002/mame.200700018
Autor:
Jack L. Koenig, F. J. Boerio
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 43:205-218
Recent advances in instrumentation for Raman spectroscopy are described. The fundamental differences between infrared and Raman spectroscopy are discussed and related to differences in selection rules, sampling techniques, and applications. The use o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18ce4715fd50edbdcce3e3e6b76d5a4f
https://doi.org/10.1002/polc.5070430118
https://doi.org/10.1002/polc.5070430118
Autor:
Shaow‐Burn Lin, Jack L. Koenig
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 71:121-135
The transitions and melting behavior of thermally crystallized poly(ethylene terephthalate) (PET) are studied using a computerized differential scanning calorimeter (DSC). A transition occurs from a structural stage characterized by a strong glass tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c9a4f2608c524cbf6fdcafc5128023
https://doi.org/10.1002/polc.5070710113
https://doi.org/10.1002/polc.5070710113
Autor:
Jack L. Koenig, J.P. Bobiak
Publikováno v:
Journal of Controlled Release. 106:329-338
Effective image analysis of dynamic processes, such as diffusion and dissolution, requires precise reporting of component locations in space and time. An improved method for analyzing FTIR images is described which employs hypothesis testing in the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a572ab69cbc1c9b19dd2bd290eb37cef
https://doi.org/10.1016/j.jconrel.2005.05.011
https://doi.org/10.1016/j.jconrel.2005.05.011
Autor:
Carrie Couts-Lendon, Jack L. Koenig
Publikováno v:
Applied Spectroscopy. 59:717-723
Although infrared imaging is becoming more commonplace and publications demonstrating its utility are on the rise, only a small portion of the literature involves visualization strategies and techniques. In order to fully realize the potential of ima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29efd24a99055fa359bf5db57e6301e9
https://doi.org/10.1366/0003702054280720
https://doi.org/10.1366/0003702054280720
Publikováno v:
Journal of Controlled Release. 93:223-248
FT-IR imaging spectroscopy is well suited for studying dynamic processes occurring in multi-component systems. Each component is resolved spatially based on the spectral response at each detector element. Additionally, the sequential collection of im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bb30eada21469601b1d3ac7d23b4ed2
https://doi.org/10.1016/j.jconrel.2003.06.003
https://doi.org/10.1016/j.jconrel.2003.06.003
Autor:
Jack L. Koenig, Beth A. Miller-Chou
Publikováno v:
Progress in Polymer Science. 28:1223-1270
Polymer dissolution in solvents is an important area of interest in polymer science and engineering because of its many applications in industry such as microlithography, membrane science, plastics recycling, and drug delivery. Unlike non-polymeric m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79ab2e9fbed2b02bf01c7e90bd02ac1f
https://doi.org/10.1016/s0079-6700(03)00045-5
https://doi.org/10.1016/s0079-6700(03)00045-5
Publikováno v:
Macromolecules. 36:4851-4861
FT-IR imaging was used to study the dissolution of symmetric diblock copolymers of poly(styrene-b-methyl methacrylate) in neutral solvents (toluene and benzene), a selective solvent (2-ethoxyethanol), a nonsolvent (cyclohexane), and mixtures of the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b00a577d065b85d4b9fdc774a4458e2f
https://doi.org/10.1021/ma0215363
https://doi.org/10.1021/ma0215363
Publikováno v:
Rubber Chemistry and Technology. 76:212-219
The methods of solid-state 13C NMR and physical testing were used to examine carbon black filled natural rubber samples. The rubber samples were vulcanized under varying parameters of sulfur loading, cure times, and cure temperature. At constant cure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b3b0da76bd6a7e487602ae9843ff3b8
https://doi.org/10.5254/1.3547735
https://doi.org/10.5254/1.3547735