Radiation-Induced Effects on Water-Soluble Polymers in Their Aqueous Solutions

Journal Article · Sun Jan 01 04:00:00 EST 1961 · Kobunshi Kagaku (Chemistry of High Polymers)

DOI:https://doi.org/10.1295/koron1944.18.492· OSTI ID:4767879

Matsuda, Tatsuo; Lin, Chen-Chong; Hayakawa, Kiyoshi

Aqueous solutions of 2 of the polymers PVA, PVP, PAM, MC, and PMAA, each with a 4% total concentration were irradiated by a 300-c Co⁶⁰ source at 6.2 x 10⁴ r/hr up to 1.0 x 10⁶ at room temperature. Each polymer was also dissolved below its critical concentration for gelation. Results showed that networks between 2 different polymer components resulted if both were of the cross-linking type. However, gel formation was retarded if one of the 2 poly mers was of the degradative-type. Co-cross-linking was observed in the case of PVA + PVP, and the effects of irradiation on the viscosity and solubility of the polymers dissolved in methanol are discussed. A linear relationship existed between the gelation dosage and the content of the polymers in PVA + PVP and PVA + PAM. The network formation in the cross-linking-type polymers in aqueous solutions was retarded in the presence of methylcellulose.

• Research Organization: Chien-chung Lin
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-033045
• OSTI ID: 4767879
• Journal Information: Kobunshi Kagaku (Chemistry of High Polymers), Journal Name: Kobunshi Kagaku (Chemistry of High Polymers) Journal Issue: 196 Vol. 18; ISSN 0023-2556
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
CELLULOSE
CHEMICAL REACTIONS
COBALT 60
COLLOIDS
GAMMA SOURCES
METHANOL
ORGANIC NITROGEN COMPOUNDS
POLYMERIZATION
POLYMERS
POLYVINYLS
PVA
PVP
PYRROLIDONES
RADIATION CHEMISTRY
SOLUBILITY
SOLUTIONS
TEMPERATURE
VISCOSITY
WATER