Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1976-01-02
1978-08-01
Schofer, Joseph L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
528174, 260DIG24, 260 304R, 260 338R, 260 61, 428260, 428290, 428921, C08G 6500, B32B 2508, B32B 2510, B32B 2712
Patent
active
041044339
ABSTRACT:
Coating compositions for polymeric substrates which reduce or eliminate dripping of the substrates by forming a cohesive, intumescent, adherent char during exposure to flame. The coating compositions comprise halogenated polymers containing oxacyclobutane units, especially the polycondensation product of tetrahalobisphenol and bishaloalkyl oxetane monomers.
REFERENCES:
patent: 3809681 (1974-05-01), Musser et al.
patent: 3846375 (1974-11-01), Wear
patent: 3875257 (1975-04-01), Musser et al.
Kirk James P.
Wear Robert L.
Alexander Cruzan
Bovee Warren R.
Kulkosky Peter F.
Minnesota Mining and Manufacturing Company
Schofer Joseph L.
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