C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/386 (2006.01) C11D 1/72 (2006.01) C11D 3/00 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) D06L 3/11 (2006.01) D06M 16/00 (2006.01)
Patent
CA 2736496
Described are compositions and methods for enzymatic bleaching of textiles. A perhydrolase enzyme is used in combination with an ester substrate and hydrogen peroxide to produce a peracid for textile bleaching. Textiles bleached by the methods herein exhibit increased dye uptake, decreased textile damage, and/or bulkier softer handle than textiles bleached by con-ventional chemical bleaching processes
Linvention concerne des compositions et des procédés de blanchiment enzymatique de textiles. On utilise une enzyme perhydrolase combinée à un substrat dester et un peroxyde dhydrogène pour produire un peracide afin de blanchir des textiles. Les textiles blanchis par la mise en uvre au moyen de procédés de blanchiment chimique classiques. Les textiles blanchis présentent une absorption du colorant accrue, une détérioration des textiles améliorée, et/ou une manipulation de volume plus douce par rapport à des procédés de blanchiment chimiques classiques. Described are compositions and methods for enzymatic bleaching of textiles. A perhydrolase enzyme is used in combination with an ester substrate and hydrogen peroxide to produce a peracid for textile bleaching. Textiles bleached by the exhibit increased dye uptake, decreased textile damage, and/or bulkier softer handle conventional chemical bleaching processes
Auterinen Anna-Liisa
Prozzo Biancamaria
Redling Erwin
Vermeersch Lode
Yoon Mee-Young
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Danisco Us Inc.
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