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Your search keyword '"Qingshan Zhou"' showing total 4 results
Start Over Author "Qingshan Zhou" Journal macromolecules
4 results on '"Qingshan Zhou"'

1. Copolymerization of 1,1-dimethyl-1-silacyclopent-3-ene and 1,1-diphenyl-1-silacyclopent-3-ene. Characterization of copolymer microstructures by proton, carbon-13, and silicon-29 NMR spectroscopy

Author

Qingshan Zhou, William P. Weber, and Georges Manuel

Subjects
Materials science, Polymers and Plastics, Proton, Silicon, Organic Chemistry, Carbon-13, chemistry.chemical_element, Nuclear magnetic resonance spectroscopy, Microstructure, Inorganic Chemistry, chemistry, Polymer chemistry, Materials Chemistry, Copolymer, Thermal stability, Ene reaction
Published
1990

2. Addition of dichlorocarbene to poly(1,1-dimethyl-1-sila-cis-pent-3-ene) and poly(1,1-dimethyl-1-sila-cis (and trans)-pent-3-ene. Characterization of microstructures by carbon-13 and silicon-29 NMR

Author

Qingshan Zhou and William P. Weber

Subjects
Reaction mechanism, Polymers and Plastics, Chemistry, Depolymerization, Organic Chemistry, Carbon-13, Chemical modification, Medicinal chemistry, Inorganic Chemistry, chemistry.chemical_compound, Dichlorocarbene, Materials Chemistry, Organic chemistry, Carbene, Cis–trans isomerism, Ene reaction
Abstract

Les produits d'addition sont moins stables que les produits de depart (dipolymerisation spontanee) a temperature ambiante

Published
1989

3. Anionic ring-opening polymerization of sila- and germacyclopent-3-enes

Author

Georges Manuel, Xuehai Zhang, Tak Hang Chan, Raymond F. Horvath, Qingshan Zhou, and William P. Weber

Subjects
Reaction mechanism, Polymers and Plastics, Chemistry, Organometallic polymer, Organic Chemistry, Cationic polymerization, Ring-opening polymerization, Inorganic Chemistry, Anionic addition polymerization, Polymer chemistry, Materials Chemistry, Molar mass distribution, Ionic polymerization, Living anionic polymerization
Published
1988

4. Addition of difluorocarbene to poly(1,1-dimethyl-1-sila-cis-pent-3-ene) and poly(1,1-dimethyl-1-sila-cis-(and - trans)-pent-3-ene). Characterization of microstructures by proton, carbon-13, fluorine-19, and silicon-29 NMR spectroscopies

Author

Qingshan Zhou and William P. Weber

Subjects
Addition reaction, Polymers and Plastics, Difluorocarbene, Chemistry, Organic Chemistry, Carbon-13, chemistry.chemical_element, Inorganic Chemistry, chemistry.chemical_compound, Polymer chemistry, Materials Chemistry, Fluorine, Molar mass distribution, Carbene, Ene reaction, Cis–trans isomerism
Abstract

Addition stereospecifique du difluorocarbene genere par decomposition du trifluoromethyl phenyl mercure sur la double liaison des polymeres. Diminution importante de la stabilite thermique des polymeres obtenus par rapport aux polymeres de depart

Published
1989

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