A STUDY OF THE MECHANISM OF RADIATION INDUCED GELATIN IN MONOMER-POLYMER MIXTURES. Quarterly Summary Report, November 1, 1960 to January 30, 1961
Polyvinyl chloride degrades quite badly under irradiation due to the ease of splitting out of HCl. The incorporation of polyfunctional monomers, however, was found to lower the radiation doses required for gelation below those which result in degradation. Thus, gelation of polyfunctional monomer-polyvinyl chloride mixtures was achieved quite readily. On irradiation, the behavior of polypropylene lies between that of polyethylene, which crosslinks readily with little main chain fracture, and polyisobutylene, in which main chain fracture is the main reaction. On "straight" irradiation, crosslinking only slightly exceeds degradation and therefore the dose to gel is very high. It was found that the radiation dose to gel can be drastically reduced via the use of polyfunctional monomers. Polyethylene, unlike polyvinyl chloride and polypropylene, crosslinks quite readily on irradiation. However, the dose requirements for gelation are high. It was found that the dose to gel may be lowered by the use of the various polyfunctional monomers. (auth)
- Research Organization:
- Radiation Applications Inc., Long Island City, N.Y.
- NSA Number:
- NSA-15-016966
- OSTI ID:
- 4019469
- Report Number(s):
- NYO-9106
- Country of Publication:
- United States
- Language:
- English
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