EP 0260495 B1 19900919 - METHOD FOR DYEING TEXILE MATERIALS MADE OF WOOL AND POLYESTER FIBRES
Title (en)
METHOD FOR DYEING TEXILE MATERIALS MADE OF WOOL AND POLYESTER FIBRES
Publication
Application
Priority
DE 3629576 A 19860830
Abstract (en)
[origin: US4820312A] Because the high dyeing temperatures employed necessitate the use of formaldehyde as customary wool-protecting agent and because of the resulting sealing problems on jet-dyeing machines, an HT dyeing of polyester fibre/wool blends cannot be carried out without polluting the environment. If, however, to achieve this purpose, lower temperatures are employed and the consequently required carriers are added directly to the dyeing liquor, this in turn gives rise to levelness problems and fastness reductions on the wool portion of the textile material. It has now been found according to the invention that by metering the carrier under isothermal conditions into the dyeing after 10-20 minutes via the gas stream driving the textile material it is possible to obtain a homogeneous distribution thereof and its full effectiveness without fastness losses. The dyeing can be completed 10-30 minutes later. All the advantages of jet dyeing are fully retained in this process.
IPC 1-7
IPC 8 full level
D06P 7/00 (2006.01); D06B 3/28 (2006.01); D06P 3/87 (2006.01)
CPC (source: EP US)
D06B 3/28 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE ES FR GB IT LI SE
DOCDB simple family (publication)
EP 0260495 A1 19880323; EP 0260495 B1 19900919; DE 3629576 A1 19880303; DE 3765065 D1 19901025; DK 452787 A 19880301; DK 452787 D0 19870828; ES 2018521 B3 19910416; JP S6366387 A 19880325; PT 85621 A 19870901; PT 85621 B 19900531; US 4820312 A 19890411; ZA 876436 B 19880427
DOCDB simple family (application)
EP 87112387 A 19870826; DE 3629576 A 19860830; DE 3765065 T 19870826; DK 452787 A 19870828; ES 87112387 T 19870826; JP 21319387 A 19870828; PT 8562187 A 19870828; US 9016287 A 19870827; ZA 876436 A 19870828