Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1992-11-17
1995-01-24
Withers, James D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
252606, 428288, 428703, 428913, 428920, 428921, B32B 516, C09K 2100
Patent
active
053841883
ABSTRACT:
A flexible, resilient, intumescent mat material comprising fiber, binder, and an intumescent agent which includes a mixture of unexpanded vermiculite and expandable graphite undergoes intumescence at a lower temperature, with an enhanced degree of expansion and with a lesser degree of contraction upon prolonged heating. The intumescent mat can be employed in catalytic converters for motor vehicles and as a firestop material.
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U.S. Ser. No. 7/977,390, Nov. 17, 1992, A. R. Lebold, et al.
Lebold Alan R.
Ten Eyck John D.
Hansen Richard L.
The Carborundum Company
Withers James D.
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