ES2140581T3 - Poliisocianatos bloqueados con bisulfito como curtientes. - Google Patents

Poliisocianatos bloqueados con bisulfito como curtientes.

Info

Publication number
ES2140581T3
ES2140581T3 ES95109198T ES95109198T ES2140581T3 ES 2140581 T3 ES2140581 T3 ES 2140581T3 ES 95109198 T ES95109198 T ES 95109198T ES 95109198 T ES95109198 T ES 95109198T ES 2140581 T3 ES2140581 T3 ES 2140581T3
Authority
ES
Spain
Prior art keywords
curtients
bisulphite
polyisocyanates blocked
blocked
polyisocyanates
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 - Lifetime
Application number
ES95109198T
Other languages
English (en)
Inventor
Harro Dr Traubel
Helmut Dr Reiff
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2140581T3 publication Critical patent/ES2140581T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

LA INVENCION SE REFIERE A POLIISOCIANATO MODIFICADO POLIETER BLOQUEADO DISULFITO, SIENDO APROPIADO DE FORMA SOBRESALIENTE COMO MATERIA CURTIENTE EN PRESENCIA DE MEDIOS DE BASIFICACION.
ES95109198T 1994-06-28 1995-06-14 Poliisocianatos bloqueados con bisulfito como curtientes. Expired - Lifetime ES2140581T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4422569A DE4422569A1 (de) 1994-06-28 1994-06-28 Bisulfit-blockierte Polyisocyanate als Gerbstoffe

Publications (1)

Publication Number Publication Date
ES2140581T3 true ES2140581T3 (es) 2000-03-01

Family

ID=6521689

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95109198T Expired - Lifetime ES2140581T3 (es) 1994-06-28 1995-06-14 Poliisocianatos bloqueados con bisulfito como curtientes.

Country Status (7)

Country Link
US (1) US5618317A (es)
EP (1) EP0690135B1 (es)
JP (1) JPH08199200A (es)
BR (1) BR9502950A (es)
CA (1) CA2152539A1 (es)
DE (2) DE4422569A1 (es)
ES (1) ES2140581T3 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624821A1 (de) * 1996-06-21 1998-01-02 Bayer Ag Verfahren zur Gerbung von Leder
US6254644B1 (en) * 1997-02-26 2001-07-03 Bayer Aktiengesellschaft Biologically degradable leather
DE102004050284A1 (de) * 2004-10-15 2006-04-27 Lanxess Deutschland Gmbh Isocyanat-basierende Gerbstoffe
EP2415879A1 (de) 2010-08-06 2012-02-08 LANXESS Deutschland GmbH Zusammensetzungen enthaltend wenigstens eine Carbamoylsulfonatgruppen-haltige Verbindung und ihre Verwendung als Gerbstoffe
EP2508626A1 (de) 2011-04-04 2012-10-10 LANXESS Deutschland GmbH Feste, partikuläre Gerbstoffpräparationen
EP2508627A1 (de) 2011-04-04 2012-10-10 LANXESS Deutschland GmbH Festes, partikuläres Material auf Basis Carbamoylsulfonatgruppen-haltiger Verbindungen
WO2012150179A1 (de) * 2011-05-04 2012-11-08 Lanxess Deutschland Gmbh Verfahren zum konservieren von collagenfaserhaltigen substrat
EP2540753A1 (de) 2011-06-29 2013-01-02 LANXESS Deutschland GmbH Zusammensetzung auf Basis Carbamoylsulfonatgruppen-haltiger Verbindungen
AR087018A1 (es) 2011-06-29 2014-02-05 Lanxess Deutschland Gmbh Composicion basada en compuestos que contienen grupos carbamoilsulfonato
EP2557181A1 (de) 2011-08-12 2013-02-13 LANXESS Deutschland GmbH Verfahren zum Hydrophobieren von collagenfaserhaltigen Substraten
EP2557224A1 (de) 2011-08-12 2013-02-13 LANXESS Deutschland GmbH Verfahren zum Färben von collagenfaserhaltigen Substraten
JP5307308B1 (ja) * 2012-09-18 2013-10-02 大榮産業株式会社 ブロックポリイソシアネート組成物、プレポリマー組成物及びそれらの製造方法、並びに、ブロックポリイソシアネート組成物の熱解離性ブロック剤
WO2014045620A1 (ja) * 2012-09-18 2014-03-27 大榮産業株式会社 ブロックポリイソシアネート組成物、プレポリマー組成物及びそれらの製造方法、並びに、ブロックポリイソシアネート組成物の熱解離性ブロック剤
CN118345204B (zh) * 2024-04-10 2026-02-27 齐鲁工业大学(山东省科学院) 一种两性离子型环保有机无铬鞣剂及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE72981C (de) * E. HOSCHBERGER in Buchholz i. S Ausrückvorrichtung für Schnuren-Umspinnmascbinen
US2923594A (en) * 1958-05-29 1960-02-02 Ethicon Inc Method of tanning
US2941859A (en) * 1959-04-08 1960-06-21 Martin L Fein Tanning with glutaraldehyde
DE2308015B2 (de) 1973-02-17 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
US4106898A (en) * 1974-04-04 1978-08-15 Bayer Aktiengesellschaft Leather tanning with oligourethanes
US4413997A (en) * 1983-02-07 1983-11-08 The United States Of America As Represented By The Secretary Of Agriculture Dicarbamoylsulfonate tanning agent
DE3702615A1 (de) * 1987-01-29 1988-08-11 Henkel Kgaa Beschichtungs- und zurichtmittel fuer leder
DE3743782A1 (de) 1987-12-23 1989-07-13 Bayer Ag Ester-urethan-(meth)-acrylsaeurederivate
DE3900053A1 (de) 1989-01-03 1990-07-12 Bayer Ag Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken

Also Published As

Publication number Publication date
EP0690135B1 (de) 1999-11-17
JPH08199200A (ja) 1996-08-06
CA2152539A1 (en) 1995-12-29
EP0690135A1 (de) 1996-01-03
US5618317A (en) 1997-04-08
DE59507234D1 (de) 1999-12-23
BR9502950A (pt) 1996-03-12
DE4422569A1 (de) 1996-01-04

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