Zobrazeno 1 - 10
of 49
pro vyhledávání: '"ROBERT E. LOWRY"'
Autor:
Francis W. Wang, Robert E. Lowry
Publikováno v:
Journal of Applied Polymer Science. 101:747-750
The feasibility of using wavelength-shift fluorescent probes for cure monitoring of an epoxy resin and an acrylic resin was evaluated. 4-(N,N-dihexylaminostyryl)-4′-pyridinium propylsulfonate (DHASP-PS), as well as each of other wavelength-shift fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03cc585bd08803fb6bc657b117045c0f
https://doi.org/10.1002/app.23975
https://doi.org/10.1002/app.23975
Publikováno v:
Macromolecules. 25:3503-3510
Steady-state fluorescence anisotropy measurements were carried out under zero shear and under finite shear conditions over a shear rate range for which the specimen displayed non-New-tonian behavior, 2.64×10 -3 to 5.3 s -1 . Anisotropy was observed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26188105623e5c3dae7a0b2b1c3c1321
https://doi.org/10.1021/ma00039a031
https://doi.org/10.1021/ma00039a031
Publikováno v:
Macromolecules. 24:3715-3717
Anisotropy of tagged polybutadiene doped in a polybutadiene matrix is measured as a function of shear stress over a range of shear rates for which the matrix is non-Newtonian
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11ae488f3092f9162f14cfbbcaf12c2e
https://doi.org/10.1021/ma00012a040
https://doi.org/10.1021/ma00012a040
Publikováno v:
Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781468457742
We are employing fluorescence spectroscopy as a tool to monitor polymer processing parameters which are important for understanding process behavior. The measurements involve the detection of fluorescence spectra from fluorescent dyes which have been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f49f6ba6d374eb308d46315ba1dc40e1
https://doi.org/10.1007/978-1-4684-5772-8_258
https://doi.org/10.1007/978-1-4684-5772-8_258
Publikováno v:
Journal of Polymer Science: Polymer Physics Edition. 12:1303-1318
Copolymers of tetrafluoroethylene and propylene were prepared that contained 30–65 mole-% of the former. Reactivity ratios of tetrafluoroethylene- and propylene-ended radicals are 0.008 and 0.06, respectively, resulting in formation of highly alter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ecb1e2b372961a9f1333f335c644404
https://doi.org/10.1002/pol.1974.180120705
https://doi.org/10.1002/pol.1974.180120705
Publikováno v:
Macromolecules. 13:248-252
The hydrolytic degradation of polyester urethane elastomers is due to the acid catalyzed hydrolysis of the ester group. Acid content (A) and the reciprocal of the number average molecular weight increase by equivalent amounts indicating that each mol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74e8455e90a47a802689ec5476768448
https://doi.org/10.1021/ma60074a009
https://doi.org/10.1021/ma60074a009
Autor:
Robert E. Lowry, Daniel W. Brown
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 13:1677-1689
Tetrafluoroethylene (A) and 1,2,3,4,5-pentafluorostyrene (B) were irradiated at 15/sup 0/C at autogenous pressure by use of 30 to 92 mole percent A and at 5000 atm by use of 42 to 99.9 mole percent A. The high-pressure results indicate that the react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a315a3c5f7aa144cdfe7f086272ac27e
https://doi.org/10.1002/pol.1975.170130718
https://doi.org/10.1002/pol.1975.170130718
Publikováno v:
Macromolecules. 15:453-458
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68b2375a83523a30c01542e305748857
https://doi.org/10.1021/ma00230a049
https://doi.org/10.1021/ma00230a049
Autor:
Robert E. Lowry, Francis W. Wang
Publikováno v:
Polymer. 26:1046-1052
An excimer fluorescence technique for the study of polymer-segment mobility has been developed and applied to pyrene-labelled poly(methyl methacrylate) and poly(methyl acrylate) polymers in solution. The results of the study have been interpreted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9e18744d3b1ba71c9d9c07052db0f6b
https://doi.org/10.1016/0032-3861(85)90227-7
https://doi.org/10.1016/0032-3861(85)90227-7