Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1977-05-09
1978-12-05
McCamish, Marion E.
Stock material or miscellaneous articles
Composite
Of polycarbonate
428437, B32B 2736
Patent
active
041286944
ABSTRACT:
A laminate comprising a sheet of the polycarbonate or polyacrylate resin in face-to-face contact with a sheet of polyvinyl butyral plasticized with an effective amount of a plasticizer which is at least a partial ester formed by reaction of an alcohol having from 2 to 4 hydroxyl groups and a C.sub.16 -C.sub.20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule.
REFERENCES:
patent: 3388034 (1968-06-01), McCombie
patent: 3406086 (1968-10-01), Foster
patent: 3671370 (1972-06-01), Littel
Fabel David A.
Fariss Robert H.
Snelgrove James A.
Bennett David
Buffalow E. Rollins
Farrington W. J.
Logomasini J. C.
McCamish Marion E.
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