EP 0699247 B1 19990421 - METHOD FOR THE CONTINUOUS PRETREATMENT OF CELLULOSE-CONTAINING TEXTILE MATERIAL
Title (en)
METHOD FOR THE CONTINUOUS PRETREATMENT OF CELLULOSE-CONTAINING TEXTILE MATERIAL
Title (de)
VERFAHREN ZUR KONTINUIERLICHEN VORBEHANDLUNG VON CELLULOSEHALTIGEM TEXTILGUT
Title (fr)
PROCEDE DE PRETRAITEMENT EN CONTINU D'UN MATERIAU TEXTILE CONTENANT DE LA CELLULOSE
Publication
Application
Priority
- DE 4317060 A 19930521
- EP 9401507 W 19940510
Abstract (en)
[origin: US5820636A] PCT No. PCT/EP94/01507 Sec. 371 Date Nov. 15, 1995 Sec. 102(e) Date Nov. 15, 1995 PCT Filed May 10, 1994 PCT Pub. No. WO94/28228 PCT Pub. Date Dec. 8, 1994A process for the continuous pretreatment of cellulosic textile material comprises a) a precleaning step wherein the treatment bath used comprises customary surfactants and other customary auxiliaries with or without customary enzymes as desizing agents and has a pH of from 5 to 11, and, after washoff and rinse, b) a bleaching step with hydrogen peroxide in an alkaline-aqueous liquor which comprises customary surfactants and other customary auxiliaries, wherefor the treatment bath of (a) additionally comprises from 1 to 10% by weight, based on the weight of the textile material, (i) either of an aminopolycarboxylic acid, of a hydroxyalkyl- or amino-phosphonic acid, of a polycarboxylic acid, of a polyhydroxycarboxylic acid or of an inorganic polymetaphosphate, or a mixture thereof, as complexing agent for polyvalent metal ions, or (ii) of a water-soluble polymer derived from 40 to 100% by weight of monoethylenically unsaturated mono- or dicarboxylic acids or anhydrides, or a mixture thereof, and has a K value of from 8 to 80, as dispersant, or (iii) a mixture of components (i) and (ii) in a weight ratio of from 10:1 to 1:10.
IPC 1-7
IPC 8 full level
D06L 1/14 (2006.01); D06L 3/02 (2006.01); D06L 4/10 (2017.01); D06L 4/13 (2017.01)
CPC (source: EP US)
D06L 1/14 (2013.01 - EP US); D06L 4/10 (2017.01 - EP US); D06L 4/13 (2017.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL PT SE
DOCDB simple family (publication)
US 5820636 A 19981013; AT E179231 T1 19990515; DE 4317060 A1 19941124; DE 59408145 D1 19990527; DK 0699247 T3 19991025; EP 0699247 A1 19960306; EP 0699247 B1 19990421; ES 2130424 T3 19990701; WO 9428228 A1 19941208
DOCDB simple family (application)
US 53775095 A 19951115; AT 94917611 T 19940510; DE 4317060 A 19930521; DE 59408145 T 19940510; DK 94917611 T 19940510; EP 9401507 W 19940510; EP 94917611 A 19940510; ES 94917611 T 19940510