Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1974-08-15
1976-05-04
Newsome, John H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
260 338F, 260890, 427390, 428264, 428267, 428274, 428421, 526 18, B32B 700
Patent
active
039550273
ABSTRACT:
An improved process and composition for water- and oil-proofing textiles which comprises treating a textile with a polymeric fluorocarbon finishing agent and at least one reactive polymer extender of the formula ##EQU1## and curing the treated textile at from 80.degree.C to 170.degree.C for 0.1 to 60 minutes; wherein C.sub.1 and C.sub.2 are carbon atoms of a polyalkylene copolymer chain, R and R' are hydrogen, alkyl, phenyl, --COOH or a segment of a polyalkylene chain, R.sub.1 and R.sub.2 are alkyl, aryl, aralkyl, alkaryl, or the like, of up to about 20 carbon atoms, and X is a halogen. The treatment in accordance with the present invention results in synergistic improvements in the oil- and/or water-repellent properties of the conventional fluorocarbon agents.
REFERENCES:
patent: 3147066 (1964-09-01), Brown et al.
patent: 3378609 (1968-04-01), Fasick et al.
patent: 3523930 (1970-08-01), Maloney
Lee Walter J.
Newsome John H.
The Dow Chemical Company
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