Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Melvin D. Croucher"'
Autor:
Melvin D. Croucher
Publikováno v:
Surfactants in Emerging Technologies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04ff46985f0dddd9b6411441371710a4
https://doi.org/10.1201/9781003065852-1
https://doi.org/10.1201/9781003065852-1
Autor:
Maura A. Sweeney, Melvin D. Croucher, Thomas W. Smith, Sam Kaplan, Massoud J Miri, Andreas Langner, Dwight Tshudy, Alex Klymachyov
Publikováno v:
Journal of Colloid and Interface Science. 253:53-61
Stable, colloidal sols of submicron size were prepared by titration of aqueous solutions of alkylene oxide surfactants with phosphotungstic acid, H 3 PW 12 O 40 (PTA), followed by neutralization with ammonium or potassium hydroxide. The stoichiometry
Publikováno v:
European Polymer Journal. 30:121-128
A series of poly(styrene-b-ethylene oxide) copolymers were investigated as stabilizers for the dispersion polymerization of styrene in methanol. The effects of stabilizer molecular weight, stabilizer/anchor ratio and stabilizer concentration on parti
Autor:
Mitchell A. Winnik, J. M. R. D'Oliveira, Guy Hurtrez, Tetje Jensma, Renliang Xu, Gérard Riess, Melvin D. Croucher, José M. G. Martinho, Zdenek Hruska
Publikováno v:
Langmuir. 9:1092-1097
Autor:
Mark C. Piton, Ahmad Yekta, Jean Duhamel, Mitchell A. Winnik, Melvin D. Croucher, Gérard Riess, Zdenek Hruska
Publikováno v:
Macromolecules. 26:1825-1828
Phosphorescene quenching kinetics were studied for 4-bromo-1-acetonaphthone (BAN) in water in the presence of a series of polystyrene-poly(ethylene oxide) block copolymer micelles. The quencher, NaNO 2 , remains in the aqueous phase. The exit and ent
Publikováno v:
Macromolecules. 25:644-652
PS-PEO di- or triblock copolymer micelles of various compositions and molecular weights in waterwere investigated by light scattering. The hydrodynamic radius values for the micelles were in good accord with the scaling relationship of Halperin's sta
Publikováno v:
Journal of Applied Polymer Science. 51:135-149
Publikováno v:
Journal of Chromatography A. 547:434-438
Size-exclusion chromatography experiments are reported for aqueous solutions of polystyrene-poly-(ethylene oxide) (PS-PEO) diblock and triblock copolymers. These samples show two peaks: the first peak elutes due to polymer micelles (characterized ind
Autor:
Manfred Wilhelm, Mitchell A. Winnik, Renliang Xu, Gérard Riess, Cheng Le Zhao, Jean Luc Mura, Yongcai Wang, Melvin D. Croucher
Publikováno v:
Macromolecules. 24:1033-1040
L'etude en fonction de la concentration du copolymere de la variation des proprietes spectroscopiques du pyrene provoquee par son partage entre les phases micellaires et aqueuses permet de determiner les concentrations critiques micellaires et les co
Publikováno v:
Macromolecules. 24:87-93
Des copolymeres bi- et trisequences forment en solution aqueuse des micelles spheriques de 2 types dont les dimensions respectives sont constantes dans le domaine de concentration 2•10 −5 −2•10 −3 g/ml. La fraction en masse des particules l