ES8402010A1 - Procedimiento para la obtencion de poliuretanureas termoplasticas. - Google Patents

Procedimiento para la obtencion de poliuretanureas termoplasticas.

Info

Publication number
ES8402010A1
ES8402010A1 ES515314A ES515314A ES8402010A1 ES 8402010 A1 ES8402010 A1 ES 8402010A1 ES 515314 A ES515314 A ES 515314A ES 515314 A ES515314 A ES 515314A ES 8402010 A1 ES8402010 A1 ES 8402010A1
Authority
ES
Spain
Prior art keywords
leather
mol
molecular weight
diisocyanates
coating
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
ES515314A
Other languages
English (en)
Other versions
ES515314A0 (es
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
Publication of ES515314A0 publication Critical patent/ES515314A0/es
Publication of ES8402010A1 publication Critical patent/ES8402010A1/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4202—Two or more polyesters of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • 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
    • C14C11/00—Surface finishing of leather
    • C14C11/003—Surface finishing of leather using macromolecular compounds
    • C14C11/006—Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE POLIURETANUREAS TERMOPLASTICAS, LINEALES O POCO RAMIFICADAS, QUE TIENEN APLICACIONES COMO MEDIO DE RECUBRIMIENTO Y DE APRESTO PARA EL CUERO Y COMO SUSTITUTOS DEL CUERO.CONSISTE EN LA REACCION DE UNA MEZCLA DE AL MENOS 2 MACRODIOLES, CUYOS PESOS MOLECULARES ESTAN ENTRE 254 Y 650, CON 2 A 12 MOLES DE DIISOCIANATOS CICLOAFLIFATICOS, A TEMPERATURAS DE 80JC HASTA QUE FINALIZA LA REACCION ENTRE LOS GRUPOS OH- Y NCO-; Y CON 0,5 A 11 MOLES DE AGENTES PROLONGADORES DE CADENA, EN MEZCLAS DE DISOLVENTES, PARA OBTENER DISOLUCIONES DE POLIURETANOCON UNA CONCENTRACION ENTRE 10 Y 40.
ES515314A 1981-08-28 1982-08-27 Procedimiento para la obtencion de poliuretanureas termoplasticas. Expired ES8402010A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813134112 DE3134112A1 (de) 1981-08-28 1981-08-28 Beschichtungs- und zurichtmittel fuer leder und lederaustauschstoffe auf basis von polyurethanharnstoff-beschichtungsmassen

Publications (2)

Publication Number Publication Date
ES515314A0 ES515314A0 (es) 1984-01-01
ES8402010A1 true ES8402010A1 (es) 1984-01-01

Family

ID=6140354

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515314A Expired ES8402010A1 (es) 1981-08-28 1982-08-27 Procedimiento para la obtencion de poliuretanureas termoplasticas.

Country Status (6)

Country Link
US (1) US4401801A (es)
EP (1) EP0073389B1 (es)
CA (1) CA1185742A (es)
DE (2) DE3134112A1 (es)
ES (1) ES8402010A1 (es)
HU (1) HU195853B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3417475A1 (de) * 1984-05-11 1985-11-14 Bayer Ag, 5090 Leverkusen In aromatischen kohlenwasserstoffen loesliche oder geloeste polyurethane, verfahren zu ihrer herstellung und ihre verwendung
US4743470A (en) * 1985-03-02 1988-05-10 Bayer Aktiengesellschaft Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor
DE3823048A1 (de) * 1988-07-07 1990-01-11 Bayer Ag Verfahren zur herstellung von lackleder
DE4012629A1 (de) * 1990-04-20 1991-10-24 Bayer Ag Thermoplastische polyurethan-polyharnstoff-elastomere mit erhoehtem waermestand
BR0110603B1 (pt) * 2000-05-05 2011-06-14 couro natural revestido com poliuretano e mÉtodo de preparaÇço de couro natural revestido.
WO2003061817A1 (de) * 2002-01-24 2003-07-31 Bayer Aktiengesellschaft Mikrokapseln enthaltende koagulate
DE102005008182A1 (de) * 2005-02-23 2006-08-31 Bayer Materialscience Ag Polyurethanharnstoff-Lösungen
WO2013030148A1 (de) 2011-08-29 2013-03-07 Bayer Intellectual Property Gmbh Hydrophile thermoplastische polyurethane und deren verwendung für die medizintechnik
WO2016020074A1 (de) 2014-08-05 2016-02-11 Covestro Deutschland Ag Polyurethanharnstofflösungen für textilbeschichtungen
KR20210112357A (ko) 2019-01-04 2021-09-14 바스프 에스이 경질 상 개질된 열가소성 폴리우레탄
CN114517416A (zh) * 2021-12-24 2022-05-20 盛国(东莞)新材料科技有限公司 Pu双制层水晶镜面革及其贴合方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221798C3 (de) * 1972-05-04 1978-07-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyurethanharnstoff-Lösungen
DE2623961A1 (de) 1976-05-28 1977-12-15 Bayer Ag Verfahren zur herstellung von polyurethanen
DE2817457A1 (de) * 1978-04-21 1979-10-31 Bayer Ag Thermoplastische polyurethane fuer die verarbeitung in extrudern oder/und auf kalandern

Also Published As

Publication number Publication date
DE3267804D1 (en) 1986-01-16
EP0073389B1 (de) 1985-12-04
ES515314A0 (es) 1984-01-01
DE3134112A1 (de) 1983-03-10
US4401801A (en) 1983-08-30
EP0073389A1 (de) 1983-03-09
HU195853B (en) 1988-07-28
CA1185742A (en) 1985-04-16

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