Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1994-10-05
1995-04-04
Acquah, Samuel A.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
525480, 525486, 525505, 525534, 525535, 525540, 521 505, 521110, 521114, 521117, 521120, 521134, 428224, 4283111, 4283115, 4283171, 4284735, B32B 2700
Patent
active
054036550
ABSTRACT:
Toughened thermosetting resins are disclosed comprising a thermosetting resin having a Tg of at least 150.degree. C., preferably 180.degree. C., and having dispersed substantially uniformly therethrough microspheres of a thermoplastic resin having a Tg of at least 150.degree. C., preferably 180.degree. C. It is preferred to use thermoplastic resins with functional groups on the surface thereof capable of bonding to an available group on the thermosetting resin. High performance structural composites made from such toughened resins are disclosed as well as the process of making such composites.
REFERENCES:
patent: 4640971 (1987-02-01), Echigo et al.
patent: 4778695 (1988-10-01), Echigo et al.
patent: 5098781 (1992-03-01), Minnick et al.
patent: 5234757 (1993-08-01), Wong
Deviney Marvin L.
Kampa Joel J.
Acquah Samuel A.
Sigalos John L.
Southwest Research Institute
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