Coating processes – Application to opposite sides of sheet – web – or strip
Patent
1983-11-30
1985-12-31
Lawrence, Evan K.
Coating processes
Application to opposite sides of sheet, web, or strip
427210, 427244, 427288, 8477, B05D 126
Patent
active
045620970
ABSTRACT:
A continuous process for the application of a textile treating composition in the form of a froth or foam to a substrate such as textiles. The process enables the application in a uniform manner of any foamable functional composition that can be used in the treatment of a textile fabric to improve its properties. In the process of foamed functional treating composition is continuously conveyed to the applicator nozzle, the substrate is continuously passed across and in contact with the applicator nozzle so as to simultaneously contact said substrate with the foamed composition and the applicator nozzle at a rate such that a predetermined controlled amount of the foamed functional treating composition is uniformly applied to the surface of the substrate and the foam immediately breaks on contact with the substrate and is readily absorbed. The process of this invention generally leaves the textile material essentially dry to the touch and thus requires less energy consumption in drying and further treatment of the textile.
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Bryant, G. M., "Energy and Related Savings From Controlled Low Wet Pick-Up Application Of Textile Chemicals And Dyes Via Semistable Foams", American Chemical Society Symposium Series No. 107, 1979, pp. 145-154.
Baker, K. L., et al., "Foam Finishing Technology", Textile Research Journal, vol. 52, No. 6, Jun. 1982, pp. 395-403.
Bryant, G. M., "Dynamic Sorption Of Semistable Foams By Fabrics", Textile Research Journal, vol. 54, No. 4, Apr. 1984, pp. 217-226.
Bryant George M.
Readshaw Ronald L.
Walter Andrew T.
Fazio Francis M.
Lawrence Evan K.
Union Carbide Corporation
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