SOLID STATE POLYMERIZATION OF FORM-ALDEHYDE INDUCED BY IONIZING RADIATION

Journal Article · Tue Jan 31 23:00:00 EST 1961 · J. Polymer Sci.

DOI:https://doi.org/10.1002/pol.1961.1204915218· OSTI ID:4003488

Tsuda, Y

Irradiation with gamma rays or electrons of solid formaldehyde at --196 deg C induces polymerization, which proceeds explosively on warming. The G value for conversion was much larger than those of any other radiation polymerizations. Polyoxymethylene of very high molecular weight was obtained in bulk snd in solid solution irrespectively of dose rate and irradiation time. Acrylonitrile was found also to polymerize explosively on warming the solid monomer irradiated at -- 196 deg C. It was concluded thnt ions or highly excited molecules formed from the irradiation at --196 deg C are trapped in the solid state and that they initiate the polymerization on warming the irradiated solid monomer. (auth)

• Research Organization: Toyo Rayon Co., Ltd., Otsu, Japan
• NSA Number: NSA-15-019430
• OSTI ID: 4003488
• Journal Information: J. Polymer Sci., Journal Name: J. Polymer Sci. Vol. Vol: 49
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ACRYLIC ACID
ACRYLONITRILES
ALDEHYDES
ALKENES
CHEMISTRY
CYANIDES
ELECTRONS
EXCITATION
EXPLOSIONS
FORMIC ACID
GAMMA RADIATION
INDUCTION
METHYLENE
MOLECULES
NITRILES
POLYMERIZATION
POLYMERS
RADIATIONS
SOLIDS
TEMPERATURE
WEIGHT