Method for strengthening cellulosic substrates, celluosic non wo

Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Cellulose fibers

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8194, 8196, 8119, 8120, 81271, 1621641, 1621642, 1621681, D06M 13192

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active

057187282

ABSTRACT:
This invention relates to a method for strengthening a cellulosic substrate by treating the substrate with a formaldehyde-free curable aqueous composition and curing the composition. The cellulosic substrates include, for example, paper oil- and air-filter stock, rayon nonwoven wipes, cellulosic laminating stock, cotton woven fabrics, and wood flakes suitable to be consolidated into flakeboard.

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Textile Research Journal, C.Q. Yang, "Effect of pH on Nonformaldehyde Durable Press Finishing of Cotton Fabric: FT-IR Spectroscopy Study .sup.1 ", Jul, 1993, pp. 420-430.

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