Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1975-12-04
1976-11-30
Hoffman, James R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427389, 427390E, 427392, 428264, 428265, 428270, 428272, 428274, 428290, D06M 1538, D06M 1568
Patent
active
039950859
ABSTRACT:
A new class of hybrid copolymers which confer improved spray rating, resistance to staining, particularly aqueous stains and improved resistance to crocking on surfaces is obtained from (I) fluoroaliphatic radical-containing component in combination with (II) hydrocarbyl radical-containing component together conferring controlled oleophobicity and hydrophobicity in air and (III) a balanced combination of hydrophilic components conferring oleophobicity in water.
REFERENCES:
patent: 3356628 (1967-12-01), Smith et al.
patent: 3574791 (1971-04-01), Sherman et al.
patent: 3598515 (1971-08-01), Moore et al.
patent: 3869465 (1975-03-01), Waldmann
Hoffman James R.
Minnesota Mining and Manufacturing Company
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