THE REACTION OF LOW MOLECULAR WEIGHT ORGANIC COMPOUNDS INITIATED BY COBALT- 60 GAMMA-RADIATION. IV. POLYMERIZATION OF METHYL METHACRYLATE. EFFECTS OF MONO-AND DI-FUNCTIONAL ADDITIVES

Journal Article · Sun Oct 01 00:00:00 EDT 1961 · Tokyo Kogyo Shikensho Hokoku (Japan) Changed to J. Natl. Chem. Lab. Ind.

OSTI ID:4817367

Hamashima, M

Methyl methacrylate was polymerized by gamma irradiation from a 2000- curie Co/sup 60/ source in the absence or presence of additives in the temperature range from 20 to 30 deg C in vacuum. The value of R/sub E/(R/sub E/ = R/sub P/ x R/sub M/) changes with the kind of additive when the latter has two kinds of functional groups in the molecule and its concentration is 0.1 mole/1. The values of R/sub p/ and R/sub M/, and hence R/sub E/,depend on the concentration of the additive, when the additive has only one kind of functional group in the molecule and its concentration range is from 0.02 to 0.2 mole/1. The values of chain transfer constant of the additives were also calculated. (auth)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-16-008790
• OSTI ID: 4817367
• Journal Information: Tokyo Kogyo Shikensho Hokoku (Japan) Changed to J. Natl. Chem. Lab. Ind., Vol. Vol: 56; Other Information: Orig. Receipt Date: 31-DEC-62
• Country of Publication: Country unknown/Code not available
• Language: Japanese

Related Subjects

CHEMISTRY
CATALYSIS
CHEMICAL REACTIONS
COBALT 60
GAMMA SOURCES
METHACRYLATES
METHYL RADICALS
MOLECULES
ORGANIC COMPOUNDS
POLYMERIZATION
VACUUM
WEIGHT