D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
8/30, 8/9
D06P 1/02 (2006.01) C09B 31/147 (2006.01) D06P 3/60 (2006.01) D06P 3/82 (2006.01)
Patent
CA 1110407
ABSTRACT OF THE DISCLOSURE This invention relates to a class of disazo dyes that are useful to dye and print water-swellable cellulose material and blends thereof with synthetic materials, and, in particular, to dye and print polyester-cotton blends. More particularly, the process of this invention relates to a process or method for dyeing and printing fabrics of water- swellable cellulose material and blends thereof with synthetic materials, in particular polyester-cotton mixed fibres, such process comprising the dyeing and printing of the material in the presence of water and of a high-boiling solvent, capable of maintaining cellulose in the swollen state at the applica- tion temperature, with disazo dyes having general formula (I) : Image wherein : X1 = a hydrogen, alkyl or alkoxyl having 1 to 4 atomes of carbon, chlorine, bromine, -CN, -NHCOR1, -NHCO-Ar, -COOR, -CON(R1)2, - NO2; X2 = a hydrogen, alkyl or alkoxyl having 1 to 4 atomes of carbon, chlorine, bromine, -NHCOR1, -NHCO-Ar; X3 = an alkyl or alkoxyl having 1 to 4 carbon atoms, or -NHCOR1 or -NHCO-Ar; Y = H, an alkyl or alkoyl having 1 to 4 atoms of carbon, chlorine, bromine; W = a hydrogen or alkyl C1-4; R = an alkyl C1 - C4; R1 = a hydrogen or alkyl C1-4; Ar = a phenyl optionally substituted; m and n are integers from 1 to 3.
296316
Boffa Gioacchino
Cipolli Roberto
Aziende Colori Nazionali Affini Acna S.p.a.
Robic Robic & Associes/associates
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