Radiation-induced copolymerization of methyl trifluoroacrylate with. cap alpha. -olefins

Journal Article · Thu Jun 01 00:00:00 EDT 1978 · J. Polym. Sci., Polym. Lett. Ed.; (United States)

DOI:https://doi.org/10.1002/pol.1978.130160606· OSTI ID:6660540

Matsuda, O; Watanabe, T; Tabata, Y; Machi, S

Paper describes the radiation-induced bulk copolymerization of methyl trifluoroacrylate with various ..cap alpha.. olefins; propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, and isobutylene. MTFA (purity above 98%) was synthesized by method described in literature. Reagent grade ..cap alpha..-olefins were used. An equimolar mixture of MTFA and ..cap alpha..-olefin was charged into the reactor. Trace amounts of oxygen were purged by the freeze-thaw technique. Irradiation was carried out with gamma rays from a /sup 60/Co source under vapor pressure of the monomers at 25/sup 0/C. The product was precipitated and washed with methanol to remove unreacted monomers, and dried under vacuum at 60/sup 0/C. Infrared spectra of the copolymers were measured; compositions were determined from elemental analysis. Reactivity of the ..cap alpha..-olefins appears to be related to the electron density at the double bond. All copolymers were found to have almost equimolar compositions and were soluble in polar solvents such as tetrahydrofuran and acetone. Copolymerization was inhibited completely by the addition of 1,1-diphenyl-2-picrihydrazil, but not by water, indicating that the copolymerization proceeds via a radical mechanism. 1 table; 2 figures.

• Research Organization: Japan Atomic Energy Research Inst., Takasaki
• OSTI ID: 6660540
• Journal Information: J. Polym. Sci., Polym. Lett. Ed.; (United States), Vol. 16:6
• Country of Publication: United States
• Language: English

Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
2-METHYLPROPENE
CHEMICAL RADIATION EFFECTS
ACRYLATES
BUTENES
HEXENES
OCTENES
ORGANIC FLUORINE COMPOUNDS
PENTENES
PROPYLENE
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COPOLYMERS
GAMMA RADIATION
GASES
INFRARED SPECTRA
MEDIUM PRESSURE
MEDIUM TEMPERATURE
PRESSURE DEPENDENCE
SAMPLE PREPARATION
TEMPERATURE DEPENDENCE
ALKENES
CARBOXYLIC ACID SALTS
CHEMISTRY
ELECTROMAGNETIC RADIATION
FLUIDS
HYDROCARBONS
IONIZING RADIATIONS
KINETICS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
POLYMERS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
REACTION KINETICS
SPECTRA
YIELDS
400600* - Radiation Chemistry