D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
8/93.38
D06M 13/192 (2006.01) D06M 13/203 (2006.01)
Patent
CA 1331826
ABSTRACT OF THE DISCLOSURE Catalysts for the rapid esterification and crosslinking of fibrous cellulose in textile form by polycarboxylic acids at elevated temperatures are dis- closed. The catalysts are acidic or weakly basic salts selected from the alkali metal salts of phosphorous, hypophosphorous, and polyphosphoric acids. Suitable polycarboxylic acids include saturated, unsaturated and aromatic acids, as wlee as alpha-hydroxy acids. The textiles so treated exhibit high levels of wrinkle resis- tance and smooth drying properties durable to repeated laundering in alkaline detergents, and do not contain or release formaldehyde.
602725
Andrews Bethlehem K.
Welch Clark M.
Gowling Lafleur Henderson Llp
U.s. Departm Ent Of Commerce The United States Of America Represented By The Secretary
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