A STUDY OF RADIATION-INDUCED CHANGES IN POLYMERS LEADING TO GRAFT COPOLYMERIZATION AS INFLUENCED BY STRUCTURAL FACTORS
Technical Report
·
OSTI ID:4037952
The preparation, irradiation, and grafting of a number of polymethacrylates are described. A mechanism of radiatior attack on the polymers is proposed. Free-radical measurements, the quantitative determination of the volatile products of irradiation, and chemical analysis of the grafted copolymer were used in establishing this mechanism. The data suggest that a major portion of total free-radical formation is accomplished by means of a whole or partial ester scission, the size and configuration of the hydrocarbon tail of the ester group irfluence the efficiency of site formation, site formation is accompanied, in some cases, by a scission of the polymer backbone, and the amount of grafted copolymer increases with increased free-radlcal concentration. (auth)
- Research Organization:
- Battelle Memorial Inst., Columbus, Ohio
- DOE Contract Number:
- W-7405-ENG-92
- NSA Number:
- NSA-15-016963
- OSTI ID:
- 4037952
- Report Number(s):
- BMI-1511
- Country of Publication:
- United States
- Language:
- English
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