D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 11/05 (2006.01) D06M 11/60 (2006.01) D06M 11/61 (2006.01) D06M 13/127 (2006.01)
Patent
CA 2115572
2115572 9305196 PCTABS00020 A process and apparatus for treating cellulosic fiber containing fabrics to improve durable press and shrinkage resistance includes using steam (36) as a vehicle to supply vaporized liquid cellulosic cross-linking agent and vaporized liquid catalyst to a reaction chamber (10) in which the fabric articles (30) are treated by cross-linking the cellulose. Normally liquid cross-linking agent (46) and liquid catalysts (52) are directly injected into a stream of treating steam to cause vaporization of the cross-linking agent and catalyst. Alternatively, a steam driven ejector type pump (42) is utilized to entrain and vaporize liquid cross-linking agent and liquid catalyst in a flowing stream of steam (32) supplied to the reaction chamber. Gaseous ammonia (52) may also be supplied to the reaction chamber to condition the cellulosic material containing fabric before cross-linking.
Mcclain David R.
Shattuck Ewart H.
American Laundry Machinery Inc.
Ridout & Maybee Llp
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