A STUDY OF THE MECHANISM OF RADIATION-INDUCED GELATION IN MONOMER-POLYMER MIXTURES. %Period Covered<, May 1, 1961-October 31, 1963 [electronic resource]
Polyfunctional monomers such as allyl methacrylate, adlyl acrylate, and diallyl maleate were found to greatly enhance the radiation crosslinking of many polymers. The radiation dose for incipient gelation of polyethylene is reduced by a factor of approximately 25; for polypropylene, the factor is 15...
Saved in:
| Online Access: |
Online Access |
|---|---|
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1963.
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| Subjects: |
MARC
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| 035 | |a (TOE)4102695 | ||
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| 086 | 0 | |a E 1.99:rai-329 | |
| 086 | 0 | |a E 1.99:rai-329 | |
| 088 | |a rai-329 | ||
| 245 | 0 | 2 | |a A STUDY OF THE MECHANISM OF RADIATION-INDUCED GELATION IN MONOMER-POLYMER MIXTURES. %Period Covered<, May 1, 1961-October 31, 1963 |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1963. | ||
| 300 | |a Pages: 98 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 11/30/1963. | ||
| 500 | |a "rai-329" | ||
| 500 | |a Odian, G; Bernstein, B S. | ||
| 500 | |a Radiation Applications Inc., Long Island City, N.Y. | ||
| 520 | 3 | |a Polyfunctional monomers such as allyl methacrylate, adlyl acrylate, and diallyl maleate were found to greatly enhance the radiation crosslinking of many polymers. The radiation dose for incipient gelation of polyethylene is reduced by a factor of approximately 25; for polypropylene, the factor is 1500. Normally degradable polymers such as polyisobutylene and cellulose acetate were readily crosslinked at doses less than 1 Mirad. The ultimate scission/ crosslinking ratio for polyethylene and polypropylene is unchanged by the presence of monomer, and the swelling behavior of the gels follows the Flory-Rehner equation. Physical properties of the monomer-crosslinked polyethylene were markedly improved over the straight crosslinked polymer. High temperature properties of all polymers were improved. Polyvinyl alcohol film exhibits enhanced crosslinking when irradiated in the presence of methanol/water/allyl methacrylate mixtures. Incipient gelation occurs at 0.06 Mrad for a typical 99% hydrolyzed polyvinyl alcohol. 6,6 Nylon was crosslinked employing doses of 1--3 Mrads. A mechanism is discussed for the enhancement of polymer crosslinking via polyfunctional monomers. (auth) | |
| 536 | |b AT(30-1)-2816. | ||
| 650 | 7 | |a Acetates. |2 local. | |
| 650 | 7 | |a Acrylic Acid. |2 local. | |
| 650 | 7 | |a Alcohols. |2 local. | |
| 650 | 7 | |a Alkenes. |2 local. | |
| 650 | 7 | |a Alkyl Radicals. |2 local. | |
| 650 | 7 | |a Amides. |2 local. | |
| 650 | 7 | |a Butylene. |2 local. | |
| 650 | 7 | |a Cellulose. |2 local. | |
| 650 | 7 | |a Chemical Reactions. |2 local. | |
| 650 | 7 | |a Colloids. |2 local. | |
| 650 | 7 | |a Configuration. |2 local. | |
| 650 | 7 | |a Decomposition. |2 local. | |
| 650 | 7 | |a Diagrams. |2 local. | |
| 650 | 7 | |a Efficiency. |2 local. | |
| 650 | 7 | |a Equations. |2 local. | |
| 650 | 7 | |a Esters. |2 local. | |
| 650 | 7 | |a Expansion. |2 local. | |
| 650 | 7 | |a Films. |2 local. | |
| 650 | 7 | |a High Temperature. |2 local. | |
| 650 | 7 | |a Hydrolysis. |2 local. | |
| 650 | 7 | |a Maleic Acid. |2 local. | |
| 650 | 7 | |a Measured Values. |2 local. | |
| 650 | 7 | |a Mechanical Properties. |2 local. | |
| 650 | 7 | |a Methacrylic Acid. |2 local. | |
| 650 | 7 | |a Methanol. |2 local. | |
| 650 | 7 | |a Mixing. |2 local. | |
| 650 | 7 | |a Molecules. |2 local. | |
| 650 | 7 | |a Nylon. |2 local. | |
| 650 | 7 | |a Organic Acids. |2 local. | |
| 650 | 7 | |a Polyesters. |2 local. | |
| 650 | 7 | |a Polyethylenes. |2 local. | |
| 650 | 7 | |a Polymerization. |2 local. | |
| 650 | 7 | |a Polymers. |2 local. | |
| 650 | 7 | |a Polyvinyls. |2 local. | |
| 650 | 7 | |a Production. |2 local. | |
| 650 | 7 | |a Propylene. |2 local. | |
| 650 | 7 | |a Pyrolysis. |2 local. | |
| 650 | 7 | |a Radiation Chemistry. |2 local. | |
| 650 | 7 | |a Radiation Doses. |2 local. | |
| 650 | 7 | |a Radiation Effects. |2 local. | |
| 650 | 7 | |a Radiolysis. |2 local. | |
| 650 | 7 | |a Solutions. |2 local. | |
| 650 | 7 | |a Stability. |2 local. | |
| 650 | 7 | |a Tables. |2 local. | |
| 650 | 7 | |a Variations. |2 local. | |
| 650 | 7 | |a Viscosity. |2 local. | |
| 650 | 7 | |a Water. |2 local. | |
| 650 | 7 | |a Chemistry. |2 edbsc. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/4102695 |z Online Access |
| 907 | |a .b80977303 |b 03-08-23 |c 08-04-15 | ||
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