Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Patricia M. Cotts"'
Publikováno v:
Macromolecules. 38:6648-6655
The dynamics of rodlike polymer molecules in the nematic phase are mainly controlled by the rotational diffusivity, Dr, which is highly sensitive to molecular weight. However, few experimental dete...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffa7c3e6cd24cdae0d44ebb45fa361e5
https://doi.org/10.1021/ma048632j
https://doi.org/10.1021/ma048632j
Publikováno v:
Science. 283:2059-2062
Ethylene pressure has been used to control the competition between isomerization (chain walking) and monomer insertion processes for ethylene coordination polymerization catalyzed by a palladium-α-diimine catalyst. The topology of the polyethylene v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0032ce7ea166cae933363115d983672
https://doi.org/10.1126/science.283.5410.2059
https://doi.org/10.1126/science.283.5410.2059
Publikováno v:
Journal of Colloid and Interface Science. 191:291-302
Micelle structural properties were determined for five poly(ethylene oxide)–poly(propylene oxide)–poly(ethylene oxide) triblock copolymer solutions at 25°C by using light scattering techniques. Size distributions for the Pluronic series P103, P1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4810f037c74bf049d3273f34a1ac255
https://doi.org/10.1006/jcis.1997.4918
https://doi.org/10.1006/jcis.1997.4918
Autor:
Julia E. Rice, C. Poga, Hans Horn, Ralph G. DeVoe, Christian Geletneky, Donald M. Burland, Patricia M. Cotts, Robert J. Twieg, Rüdiger Wortmann, Christopher R. Moylan, P. M. Lundquist
Publikováno v:
The Journal of Chemical Physics. 105:10637-10647
It is demonstrated that the microscopic mechanism of the photorefractive (PR) effect in organic composites with low glass transition temperatures involves the formation of refractive index gratings through a space‐charge field‐modulated Kerr effe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cad873b47f1f5c6623fc88a4cb082a30
https://doi.org/10.1063/1.472950
https://doi.org/10.1063/1.472950
Publikováno v:
Macromolecules. 29:7323-7328
The unusual electronic and optical properties of many electroluminescent and conducting polymers arise from extended conjugation along the polymer backbone, which can also lead to insolubility, aggregation, and gelation. Synthetic efforts to produce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b28790312f1b8f8206d971455cb3ed4
https://doi.org/10.1021/ma9602583
https://doi.org/10.1021/ma9602583
Autor:
Patricia M. Cotts
Publikováno v:
Macromolecules. 27:6487-6491
A group of three different perfluoropolyethers (PFPE) (perfluoropoly(ethylene oxide) (PF-PEO), perfluoropoly(trimethylene oxide) (PF-3MO), and a copolymer of perfluoropoly(ethylene oxide) and perfluoropoly(methylene oxide) (PF-PEO/MO)) has been studi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eae853b8b1bbe88c0a6e69e4ded232e
https://doi.org/10.1021/ma00100a036
https://doi.org/10.1021/ma00100a036
Autor:
Patricia M. Cotts
Publikováno v:
Macromolecules. 27:2899-2903
The mixed solvent of 2-propanol and hexane (41.3 wt% iPrOH) is shown to be a macroscopic 8-solvent for poly(di-n-hexylsilane) at room temperature. Both the root-mean-square radius of gyration and the Stokes radius have been measured for a series of f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24e19a1812eabebf7ab1f010bcc0c875
https://doi.org/10.1021/ma00089a001
https://doi.org/10.1021/ma00089a001
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 30:373-379
The transamidation reaction in a polyamic acid solution has been investigated using size-exclusion chromatography and low-angle light scattering. Mixtures of a high-molecular weight (DP = 150) and a low-molecular weight (DP = 10) polymer and of the h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::471e185afbc32bbb96d36f08b065feb5
https://doi.org/10.1002/polb.1992.090300407
https://doi.org/10.1002/polb.1992.090300407
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 30:177-183
The dimensions of the polyimide precursor prepared from meta-diethyl ester of pyromellitic dianhydride and from para-phenylenediamine were measured by SEC using a multiangle scattering detector. The dependence of the root mean square radius of gyrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b078a06a4d4dca12e14144bf121d3f29
https://doi.org/10.1002/polb.1992.090300206
https://doi.org/10.1002/polb.1992.090300206
Publikováno v:
Macromolecules. 24:6730-6735
The molecular weight M w , the second virial coefficient, the intrinsic viscosity [η] and the Huggins coefficient were determined for poly(dihexylsilane) with a molecular weight range of 10 5 -10 7 in THF dilute solution. [η] was also determined in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31baa37fd5c86e233ef5708a86572472
https://doi.org/10.1021/ma00025a027
https://doi.org/10.1021/ma00025a027