Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1996-07-08
1998-03-10
Berman, Susan W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522129, 522146, 522170, 528405, 528407, 528408, C08J 328, C08G 5918, C08G 6526, C08G 6528
Patent
active
057262160
ABSTRACT:
Mixtures of epoxy resins with cationic initiators are curable under high energy ionizing radiation such as electron beam radiation, X-ray radiation, and gamma radiation. The composition of this process consists of an epoxy resin, a cationic initiator such as a diaryliodonium or triarylsulfonium salt of specific anions, and a toughening agent such as a thermoplastic, hydroxy-containing thermoplastic oligomer, epoxy-containing thermoplastic oligomer, reactive flexibilizer, rubber, elastomer, or mixture thereof. Cured compositions have high glass transition temperatures, good mechanical properties, and good toughness. These properties are comparable to those of similar thermally cured epoxies.
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Dorsey George F.
Havens Stephen J.
Janke Christopher J.
Lopata Vincent J.
Berman Susan W.
Ericson Ivan L.
Lockheed Martin Energy Systems, Inc.
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