Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-02-28
1987-06-02
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428272, 428290, 428421, 428422, B32B 2700
Patent
active
046703284
ABSTRACT:
An impregnated material comprising an organic or inorganic material selected from the group consisting of a woven fabric, a non-woven fabric and an open cell porous material which is impregnated with a copolymer which comprises 50 to 95% by mole of repeating units derived from tetrafluoroethylene and 5 to 50% by mole of repeating units derived from perfluoroalkyl vinyl ether of the formula:
REFERENCES:
patent: 4600651 (1986-07-01), Aufdermarsh
Kawachi Shoji
Oka Masahiko
Tomoda Masayasu
Ueta Yutaka
Daikin Industries Ltd.
McCamish Marion C.
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