GB1524486A - Degreasing and dyeing of natural skins and pelts - Google Patents

Degreasing and dyeing of natural skins and pelts

Info

Publication number
GB1524486A
GB1524486A GB252876A GB252876A GB1524486A GB 1524486 A GB1524486 A GB 1524486A GB 252876 A GB252876 A GB 252876A GB 252876 A GB252876 A GB 252876A GB 1524486 A GB1524486 A GB 1524486A
Authority
GB
United Kingdom
Prior art keywords
water
solvent
pelts
treated
weight
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
GB252876A
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.)
Chemische Fabrik Pfersee GmbH
Original Assignee
Chemische Fabrik Pfersee GmbH
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
Priority claimed from DE19752502563 external-priority patent/DE2502563C3/en
Priority claimed from DE19752521126 external-priority patent/DE2521126C3/en
Application filed by Chemische Fabrik Pfersee GmbH filed Critical Chemische Fabrik Pfersee GmbH
Publication of GB1524486A publication Critical patent/GB1524486A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C5/00—Degreasing leather
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/90—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in organic solvents or aqueous emulsions thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Coloring (AREA)

Abstract

1524486 Dyeing skins and pelts CHEMISCHE FABRIK PFERSEE GmbH 22 Jan 1976 [23 Jan 1975 13 May 1975] 02528/76 Heading D1B Natural skins and pelts are degreased, dyed and optionally regreased by treating in a two-phase system in which (a) the material is treated at 30‹ to 50‹C with a solution containing a water-insoluble solvent and an emulsifier, the weight to volume ratio of the material to be treated to the waterinsoluble solvent being from 1:3 to 1:30, (b) the material is treated at 30‹ to 80‹C with a solution which contains a water-insoluble solvent, emulsifier and a dyestuff which is dissolved or dispersed in water at pH 3 to 6 the ratio by weight of the material to the water being at least 1 : 0.2 and the weight to volume ratio of the material to the waterinsoluble solvent being 1:3 to 1:30 and (c) treating at 20 to 80‹C with a solution containing a water-insoluble solvent and water the main part of the emulsified water being removed by azeotropic evaporation the solvent then being separated. The first process step may contain water which is removed before the second process step, this water being derived from wet material. A regreasing agent may be present in the third stage of the process. The emulsifiers may be anionic or non-ionic and preferred water-insoluble solvents are tri- and tetra-chloroethylene. Acid, reactive and 2:1 metal complex dyes may be used.
GB252876A 1975-01-23 1976-01-22 Degreasing and dyeing of natural skins and pelts Expired GB1524486A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752502563 DE2502563C3 (en) 1975-01-23 1975-01-23 Process for degreasing and subsequent dyeing and, if necessary, refatting of tanned natural skins and furs
DE19752521126 DE2521126C3 (en) 1975-05-13 1975-05-13 Process for degreasing and subsequent dyeing and, if necessary, refatting of tanned natural skins and furs

Publications (1)

Publication Number Publication Date
GB1524486A true GB1524486A (en) 1978-09-13

Family

ID=25768381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB252876A Expired GB1524486A (en) 1975-01-23 1976-01-22 Degreasing and dyeing of natural skins and pelts

Country Status (4)

Country Link
AU (1) AU503264B2 (en)
ES (1) ES444517A1 (en)
FR (1) FR2298638A1 (en)
GB (1) GB1524486A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042153A1 (en) * 1980-11-08 1982-05-13 Chemische Fabrik Pfersee Gmbh, 8900 Augsburg EMULSIFIERS ON SULFATE AND OR SULPHONATE BASE WITH IMPROVED WATER EMULSIFYING CAPACITY
WO2015096557A1 (en) * 2013-12-25 2015-07-02 宁夏吴忠市精艺裘皮制品有限公司 Cutting and double-face leather integrated dyeing process for tibet lamp skin

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560386A (en) * 1983-03-21 1985-12-24 Sandoz Ltd. One-bath method for producing tone-in-tone dyeings on sueded wool- or fur-bearing skins

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042153A1 (en) * 1980-11-08 1982-05-13 Chemische Fabrik Pfersee Gmbh, 8900 Augsburg EMULSIFIERS ON SULFATE AND OR SULPHONATE BASE WITH IMPROVED WATER EMULSIFYING CAPACITY
WO2015096557A1 (en) * 2013-12-25 2015-07-02 宁夏吴忠市精艺裘皮制品有限公司 Cutting and double-face leather integrated dyeing process for tibet lamp skin

Also Published As

Publication number Publication date
ES444517A1 (en) 1977-10-01
FR2298638B3 (en) 1978-10-13
FR2298638A1 (en) 1976-08-20
AU503264B2 (en) 1979-08-30
AU1019976A (en) 1977-07-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee