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GB1458632A - Reactive dyeing process - Google Patents

Reactive dyeing process

Info

Publication number
GB1458632A
GB1458632AGB2403074AGB2403074AGB1458632AGB 1458632 AGB1458632 AGB 1458632AGB 2403074 AGB2403074 AGB 2403074AGB 2403074 AGB2403074 AGB 2403074AGB 1458632 AGB1458632 AGB 1458632A
Authority
GB
United Kingdom
Prior art keywords
dyebath
fibres
constant temperature
dyed
dye
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2403074A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CARPETS INTERNATIONAL TD
Original Assignee
CARPETS INTERNATIONAL TD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CARPETS INTERNATIONAL TDfiledCriticalCARPETS INTERNATIONAL TD
Publication of GB1458632ApublicationCriticalpatent/GB1458632A/en
Expiredlegal-statusCriticalCurrent

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Abstract

1458632 Dyeing natural and synthetic fibres CARPETS INTERNATIONAL Ltd 30 May 1974 [12 June 1973] 24030/74 Heading D1B Natural and synthetic fibres are dyed with dyes whose exhaustion onto the fibres is pH dependant and which are fixed on the fibre at a particular pH, the process comprising (a) immersing the fibres in a dyebath having a pH at which no fixation of the dye on the fibres occurs, (b) adjusting the dyebath to a constant temperature without adjustment of the pH, (c) maintaining the dyebath at the constant temperature and adjusting the pH of the dyebath by the gradual addition of controlled amounts of acid or alkali to a pH at which substantially complete exhaustion of the dye occurs, (d) maintaining the dyebath at constant temperature to allow substantially complete reaction between the dye and fibres. Fixation of the dyes may be at an acid pH the dyebath initially being alkaline. Acrylic fibres containing weak acid groups may be dyed with basic dyes the dyebath initially being acidic and the pH is adjusted with alkali to a value no higher than 7 to effect exhaustion. The constant temperature may be the boiling point of the dyebath. Wool and synthetic polyamides may be dyed by setting the pH to 7.5, raising to the boil for 20 to 30 minutes acetic acid being used to adjust the pH.
GB2403074A1973-06-121974-05-30Reactive dyeing processExpiredGB1458632A (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
AUPB3615731973-06-12

Publications (1)

Publication NumberPublication Date
GB1458632Atrue GB1458632A (en)1976-12-15

Family

ID=3765702

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB2403074AExpiredGB1458632A (en)1973-06-121974-05-30Reactive dyeing process

Country Status (3)

CountryLink
CA (1)CA1026505A (en)
GB (1)GB1458632A (en)
ZA (1)ZA743577B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2700153A1 (en)*1976-01-061977-07-14Ciba Geigy Ag PROCESS FOR DYING TEXTILE MATERIAL AND DEVICE FOR CARRYING OUT THE PROCESS
EP0062865A1 (en)*1981-04-141982-10-20Bayer AgDyeing process
FR2552789A1 (en)*1983-10-011985-04-05Sandoz Sa PROCESS FOR DYEING BY EXHAUSTING TEXTILE FIBERS
GB2159543A (en)*1984-06-011985-12-04Sandoz LtdDyeing cellulosic materials
DE3518306A1 (en)*1984-06-011985-12-05Sandoz-Patent-GmbH, 7850 LörrachDyeing process
EP0228639A3 (en)*1985-12-181987-10-28Hoechst AktiengesellschaftProcess for dyeing wool with reactive dyes
EP0226982A3 (en)*1985-12-181987-11-04Hoechst AktiengesellschaftProcess for dyeing wool
EP0226198A3 (en)*1985-12-181987-11-04Hoechst AktiengesellschaftProcess for isothermic quick-dyeing of wool
US6120559A (en)*1998-04-282000-09-19Burlington Industries, Inc.Treatment of dyed nylon fibers to prevent degradation caused by ultraviolet light

Cited By (15)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2700153A1 (en)*1976-01-061977-07-14Ciba Geigy Ag PROCESS FOR DYING TEXTILE MATERIAL AND DEVICE FOR CARRYING OUT THE PROCESS
US4350494A (en)1976-01-061982-09-21Ciba-Geigy CorporationProcess for the dyeing of textile material and apparatus for carrying out the process
EP0062865A1 (en)*1981-04-141982-10-20Bayer AgDyeing process
FR2552789A1 (en)*1983-10-011985-04-05Sandoz Sa PROCESS FOR DYEING BY EXHAUSTING TEXTILE FIBERS
GB2147318A (en)*1983-10-011985-05-09Sandoz LtdExhaust dyeing of textiles
US4629465A (en)*1983-10-011986-12-16Sandoz Ltd.Process for exhaust dyeing a textile fiber material: controlled addition of dye or electrolyte
DE3518306A1 (en)*1984-06-011985-12-05Sandoz-Patent-GmbH, 7850 LörrachDyeing process
FR2565266A1 (en)*1984-06-011985-12-06Sandoz Sa PROCESS FOR DYEING EXHAUST CELLULOSIC FIBERS WITH REACTIVE DYES
GB2159543A (en)*1984-06-011985-12-04Sandoz LtdDyeing cellulosic materials
US4645510A (en)*1984-06-011987-02-24Sandoz Ltd.Exhaust dyeing of cellulosic substrates with reactive dyes controlled simultaneous addition of salt and alkali
EP0228639A3 (en)*1985-12-181987-10-28Hoechst AktiengesellschaftProcess for dyeing wool with reactive dyes
EP0226982A3 (en)*1985-12-181987-11-04Hoechst AktiengesellschaftProcess for dyeing wool
EP0226198A3 (en)*1985-12-181987-11-04Hoechst AktiengesellschaftProcess for isothermic quick-dyeing of wool
US4911735A (en)*1985-12-181990-03-27Hoechst AktiengesellschaftProcess for dyeing wool
US6120559A (en)*1998-04-282000-09-19Burlington Industries, Inc.Treatment of dyed nylon fibers to prevent degradation caused by ultraviolet light

Also Published As

Publication numberPublication date
CA1026505A (en)1978-02-21
ZA743577B (en)1975-06-25

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Legal Events

DateCodeTitleDescription
PSPatent sealed
732Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNPPatent ceased through non-payment of renewal fee

Effective date:19930530
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