Compositions – Radioactive compositions
Patent
1982-03-09
1985-07-23
Kyle, Deborah L.
Compositions
Radioactive compositions
523502, G21F 916
Patent
active
045307830
ABSTRACT:
A composition of matter suitable for solidifying radioactive wastes is formed of unsaturated polyester resins comprising a polyester (I) obtained polycondensing (a) maleic anhydride and/or maleic and/or fumaric acid, (b) isophthalic and/or terephthalic acid, (c) neopentylglycol, (d) optionally one or more conventional glycols, wherein the amount of (c) is at least 50% by moles with respect to (c)+(d); another polyester (II) obtained polycondensing (a) maleic anhydride and/or maleic and/or fumaric acid, (b) isopropylidene-bis-(phenylene-oxypropanol-2), (c) optionally one or more conventional glycols, wherein the amount of (b) is at least 50% by moles with respect to (b)+(c); an ethylenically unsaturated monomer (III) capable of copolymerizing with (I) and (II); inhibitors, initiators, accelerators, glass fibers and other conventional additives and fillers the weight ratio of component (I) to (II) being from 100:0 to 20:80.
REFERENCES:
patent: 3629169 (1971-12-01), Bedighian
patent: 4077901 (1978-03-01), Arnold et al.
patent: 4077931 (1978-03-01), Leitheiser et al.
patent: 4256625 (1981-03-01), Dachs
Arcuri Luigi
Bertotti Elvio
Carignani Giancarlo
Cipriani Aldo
Donato Aldo
Comitoto Nazionale Per L'Energia Nucleare
Kyle Deborah L.
Snial Resine Poliestere S.p.A.
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