Photoinitiated polymerization of 1-vinylimidazole
Journal Article
·
· J. Appl. Polym. Sci.; (United States)
The photoinitiated polymerization of 1-vinylimidazole (VI) does not follow the classical kinetic scheme for free radical polymerization. Kinetic results for VI suggest a degradative addition reaction between the macroradical and the monomer to produce a relatively stable, unreactive radical, which does not reinitiate polymerization, is low, 1.5 kcal/mol. Among the 3 photoinitiators used, the highest quantum efficiency was demonstrated by 2,2'-diethoxyacetophenone followed by bezoin methyl ether and benzoin isopropyl ether. Under the experimental conditions used, the polymerization of VI does not proceed to complete conversion, and the phenomenon of dead-end polymerization is observed.
- Research Organization:
- Cornell Univ., New York
- OSTI ID:
- 6139487
- Journal Information:
- J. Appl. Polym. Sci.; (United States), Journal Name: J. Appl. Polym. Sci.; (United States) Vol. 29:4; ISSN JAPNA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
400500 -- Photochemistry
ACTIVATION ENERGY
ALKANES
AZOLES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
DATA
DECOMPOSITION
EFFICIENCY
ENERGY
ENERGY-LEVEL TRANSITIONS
ETHERS
EXCITATION
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
IMIDAZOLES
INFORMATION
IONIZATION
KETONES
KINETICS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOIONIZATION
PHOTOLYSIS
POLYMERIZATION
REACTION KINETICS
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
400500 -- Photochemistry
ACTIVATION ENERGY
ALKANES
AZOLES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
DATA
DECOMPOSITION
EFFICIENCY
ENERGY
ENERGY-LEVEL TRANSITIONS
ETHERS
EXCITATION
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
IMIDAZOLES
INFORMATION
IONIZATION
KETONES
KINETICS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOIONIZATION
PHOTOLYSIS
POLYMERIZATION
REACTION KINETICS