Radiation-induced copolymerization of. cap alpha. ,. beta. ,. beta. -trifluoroacrylonitrile with. cap alpha. -olefin. [Gamma radiation]

Journal Article · Wed Aug 15 00:00:00 EDT 1979 · J. Appl. Polym. Sci.; (United States)

DOI:https://doi.org/10.1002/app.1979.070240418· OSTI ID:6014742

Matsuda, O; Kostov, G K; Tabata, Y; Machi, S

Homopolymerization and copolymerization of ..cap alpha..,..beta..,..beta..-trifluoroacrylonitrile (FAN) with ..cap alpha..-olefins were carried out in bulk by ..gamma..-ray irradiation at 25/sup 0/C. FAN gives very small quantities of brown and greasy low molecular weight polymer. Cyano groups in FAN polymer were found to be readily hydrolyzed to acid amide groups in the atmosphere. FAN was found to copolymerize with ethylene, propylene, and isobutylene via a radical mechanism to form equimolar copolymers in a wide range of monomer compositions. The polymerization rate increases linearly with FAN fraction in the monomer mixture. These copolymers are also hydrolyzed in the atmosphere, and the hydrolysis proceeds with more difficulty for the copolymer with higher ..cap alpha..-olefin. The reactivity ratios r/sub 1/ (FAN) and r/sub 2/ (..cap alpha..-olefin) were determined to be 0.01 and 0.12 for the FAN/ethylene copolymerization and 0.01 and 0.07 for the FAN/propylene copolymerization. These results confirm that an alternating copolymerization takes place in the FAN/..cap alpha..-olefin system.

• Research Organization: Japan Atomic Energy Research Inst., Takasaki
• OSTI ID: 6014742
• Journal Information: J. Appl. Polym. Sci.; (United States), Vol. 24:4
• Country of Publication: United States
• Language: English

Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
BUTENES
CHEMICAL RADIATION EFFECTS
ETHYLENE
NITRILES
ORGANIC FLUORINE COMPOUNDS
PROPYLENE
ALKENES
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
COMPARATIVE EVALUATIONS
DOSE RATES
EXPERIMENTAL DATA
GAMMA RADIATION
HYDROLYSIS
INFRARED SPECTRA
ISOLATED VALUES
MEDIUM TEMPERATURE
POLYMERIZATION
POLYMERS
RADICALS
REACTIVITY
TEMPERATURE DEPENDENCE
TIME DEPENDENCE
CHEMICAL REACTIONS
CHEMISTRY
DATA
DATA FORMS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
HYDROCARBONS
INFORMATION
IONIZING RADIATIONS
KINETICS
LYSIS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
REACTION KINETICS
SOLVOLYSIS
SPECTRA
YIELDS
400600* - Radiation Chemistry