POLYMERIZATION OF AQUEOUS FORMALDEHYDE INDUCED BY IONIZING-RADIATION

被引：2
|
作者：
NEGRONMENDOZA, A
CASTILLOROJAS, S
机构：
[1] Instituto de Ciencias Nucleares, UNAM Circuito Exterior, D.F. 04510
来源：
RADIATION PHYSICS AND CHEMISTRY | 1993年 / 42卷 / 1-3期
关键词：
FORMALDEHYDE; POLYMERS; RADIATION-INDUCED; GAMMA-RAYS; RADIOLYSIS;
D O I：
10.1016/0969-806X(93)90226-K
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work we examined the formation of polymeric material from the radiation-induced reactions of aqueous formaldehyde. The polymers obtained by this procedure are very different from those formed by thermal or UV polymerization. Two polymeric materials precipitated between 0.8 and 1.3 MGy. Although these polymers have the same chemical composition (C2H3O), infrared spectrum, and NMR spectrum, they differ in density, color and melting point. The interconversion of the polymeric materials increase when the dose is raised.
引用
收藏
页码：163 / 166
页数：4
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