Stock material or miscellaneous articles – Composite – Of polyisocyanurate
Patent
1990-12-12
1993-07-27
Thibodeau, Paul J.
Stock material or miscellaneous articles
Composite
Of polyisocyanurate
428358, 428331, 428458, 428463, B32B 2700
Patent
active
052309614
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 hexafluoropropylene to give a concentration gradient.
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Burgess Richard H.
E. I. Du Pont de Nemours and Company
Le Hoa T.
Thibodeau Paul J.
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