BR112018072409A2 - processo para pré-curtimento ou recurtimento de couro utilizando carboximetilcelulose e seus sais - Google Patents

processo para pré-curtimento ou recurtimento de couro utilizando carboximetilcelulose e seus sais

Info

Publication number
BR112018072409A2
BR112018072409A2 BR112018072409A BR112018072409A BR112018072409A2 BR 112018072409 A2 BR112018072409 A2 BR 112018072409A2 BR 112018072409 A BR112018072409 A BR 112018072409A BR 112018072409 A BR112018072409 A BR 112018072409A BR 112018072409 A2 BR112018072409 A2 BR 112018072409A2
Authority
BR
Brazil
Prior art keywords
leather
tanning
carboxymethylcellulose
salts
retanning
Prior art date
Application number
BR112018072409A
Other languages
English (en)
Other versions
BR112018072409B1 (pt
Inventor
Lang Andreas
Kientz Eric
Fennen Jens
Original Assignee
Tfl Ledertechnik 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
Application filed by Tfl Ledertechnik Gmbh filed Critical Tfl Ledertechnik Gmbh
Publication of BR112018072409A2 publication Critical patent/BR112018072409A2/pt
Publication of BR112018072409B1 publication Critical patent/BR112018072409B1/pt

Links

Classifications

    • 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
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
    • C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
    • 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
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/10—Vegetable tanning
    • C14C3/12—Vegetable tanning using purified or modified vegetable tanning agents
    • 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
    • D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • D06P1/50—Derivatives of cellulose
    • 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
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • 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
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
    • 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
    • D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
    • D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
    • D06P3/3233—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo using dis-polyazo premetallised dyes
    • 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
    • D06P3/3246—Material containing basic nitrogen containing amide groups leather skins using vat, sulfur or indigo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

a presente invenção refere-se a um processo para o curtimento, pré-curtimento ou recurtimento do couro que compreende as etapas de: a) fornecer um sortimento de couro, couro curtido ou pré-curtido b) tratar o couro ou sortimento de couro da etapa a) com uma composição aquosa e/ou uma composição em pó compreendendo pelo menos uma carboximetilcelulose e/ou seus sais (cmc), e c) secar.
BR112018072409-2A 2016-06-13 2017-03-31 Processo para curtimento, pré-curtimento ou recurtimento de couro BR112018072409B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16174105.3 2016-06-13
EP16174105.3A EP3257955B1 (en) 2016-06-13 2016-06-13 Process for pretanning or retanning leather using carboxymethylcellulose and its salts
PCT/EP2017/000400 WO2017215773A1 (en) 2016-06-13 2017-03-31 Process for pretanning or retanning leather using carboxymethylcellulose and its salts

Publications (2)

Publication Number Publication Date
BR112018072409A2 true BR112018072409A2 (pt) 2019-02-19
BR112018072409B1 BR112018072409B1 (pt) 2023-06-06

Family

ID=

Also Published As

Publication number Publication date
EP3257955B1 (en) 2022-09-07
CN109642260A (zh) 2019-04-16
PT3257955T (pt) 2022-11-28
WO2017215773A9 (en) 2018-08-23
EP3257955A1 (en) 2017-12-20
WO2017215773A1 (en) 2017-12-21
CN109642260B (zh) 2022-05-17
ES2930450T3 (es) 2022-12-13
MX2018014609A (es) 2019-03-01
EP3469105A1 (en) 2019-04-17

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: TFL LEDERTECHNIK GMBH (DE)

B25G Requested change of headquarter approved

Owner name: TFL LEDERTECHNIK GMBH (DE)

B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/03/2017, OBSERVADAS AS CONDICOES LEGAIS