Stock material or miscellaneous articles – Composite – Of polyisocyanurate
Patent
1991-09-23
1993-08-31
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Composite
Of polyisocyanurate
4273855, 428458, 428463, B32B 2708, B32B 1508
Patent
active
052407756
ABSTRACT:
Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of polytetrafluoroethylene and a perfluorinated copolymer of tetrafluoroethylene and perfluoro vinyl ether to give a concentration gradient.
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Burgess Richard H.
E. I. Du Pont de Nemours and Company
Herbert, Jr. Thomas J.
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