ES2062139T3 - Procedimiento para la obtencion de polvos reticulados de poliuretano-poliurea y su empleo como cargas organicas en barnices de poliuretano de dos componentes. - Google Patents

Procedimiento para la obtencion de polvos reticulados de poliuretano-poliurea y su empleo como cargas organicas en barnices de poliuretano de dos componentes.

Info

Publication number
ES2062139T3
ES2062139T3 ES90104865T ES90104865T ES2062139T3 ES 2062139 T3 ES2062139 T3 ES 2062139T3 ES 90104865 T ES90104865 T ES 90104865T ES 90104865 T ES90104865 T ES 90104865T ES 2062139 T3 ES2062139 T3 ES 2062139T3
Authority
ES
Spain
Prior art keywords
polyurethane
procedure
component
polyurea
powders
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
ES90104865T
Other languages
English (en)
Inventor
Helmut Dr Reiff
Dieter Prof Dr Dieterich
Rene Dr Stepanek
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 ES2062139T3 publication Critical patent/ES2062139T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • 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
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers 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
    • C08G18/28—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
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)

Abstract

EL INVENTO SE REFIERE A UN PROCEDIMIENTO PARA PRODUCIR POLVOS DE POLIUREA/POLIURETANO HUMECTANTE Y TRATA DE LA APLICACION DEL POLVO COMO MATERIAL DE RELLENO ORGANICO EN LACAS DE POLIURETANO DE DOS COMPONENTES. DICHO PROCEDIMIENTO CONSISTE EN DISPERSAR EN AGUA SEMIPREPOLIMEROS DE ISOCIANATOS QUE CONTIENEN NCO DE 10 A 20% EN PESO Y ESTAN FORMADOS POR UN COMPONENTE POLIISOCIANATO, UN COMPONENTE POLIOL HIDROFOBICO Y COMPONENTE POLIETER HIDROFILO Y AISLAR EL POLVO FORMADO ESPONTANEAMENTE.
ES90104865T 1989-03-23 1990-03-15 Procedimiento para la obtencion de polvos reticulados de poliuretano-poliurea y su empleo como cargas organicas en barnices de poliuretano de dos componentes. Expired - Lifetime ES2062139T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3909597A DE3909597A1 (de) 1989-03-23 1989-03-23 Verfahren zur herstellung von vernetzten polyurethan-polyharnstoff-pulvern und ihre verwendung als organische fuellstoffe in zweikomponenten-polyurethanlacken

Publications (1)

Publication Number Publication Date
ES2062139T3 true ES2062139T3 (es) 1994-12-16

Family

ID=6377059

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90104865T Expired - Lifetime ES2062139T3 (es) 1989-03-23 1990-03-15 Procedimiento para la obtencion de polvos reticulados de poliuretano-poliurea y su empleo como cargas organicas en barnices de poliuretano de dos componentes.

Country Status (5)

Country Link
US (1) US5021520A (es)
EP (1) EP0388781B1 (es)
CA (1) CA2012827A1 (es)
DE (2) DE3909597A1 (es)
ES (1) ES2062139T3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6835772B2 (en) 2001-01-29 2004-12-28 Ohashi Chemical Industries Ltd. Low-temperature curing, favorable feel coating composition
JP4455012B2 (ja) 2003-11-05 2010-04-21 トヨタ自動車株式会社 ２液硬化型ポリウレタン塗料組成物及び塗装物品
DE102004039157A1 (de) * 2004-08-11 2006-02-23 Rhein Chemie Rheinau Gmbh Verfahren zur Herstellung pulverförmiger Polyharnstoffe mittels Sprühtrocknung
DE102004039156A1 (de) * 2004-08-11 2006-02-23 Rhein Chemie Rheinau Gmbh Verfahren zur Herstellung pulverförmiger Polyharnstoffe
DE102008000243A1 (de) * 2008-02-06 2009-08-13 Evonik Goldschmidt Gmbh Neuartige Kompatibilisierungsmittel zur Verbesserung der Lagerstabilität von Polyolmischungen
CN103421160A (zh) 2012-05-25 2013-12-04 亨茨曼国际有限公司 聚氨酯灌浆组合物
CN110564276A (zh) * 2019-09-02 2019-12-13 中国科学院长春应用化学研究所 一种双组分聚脲涂料及其应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870684A (en) * 1970-04-29 1975-03-11 Bayer Ag Preparation of cross-linked particles of polyurethane or polyurea containing ionic groups
DE2226526C3 (de) * 1972-05-31 1981-10-15 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von thermoplastischem Polyharnstoffpulver
US3917741A (en) * 1972-06-16 1975-11-04 Usm Corp Method of making polyurethane powder
US4032516A (en) * 1973-05-09 1977-06-28 Usm Corporation Method of making polyurethane powder
DE2550860C2 (de) * 1975-11-12 1983-05-26 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von stabilen Dispersionen
DE2906159C2 (de) * 1979-02-17 1981-12-03 Fa. Carl Freudenberg, 6940 Weinheim Verfahren zur Herstellung von feindispersen Polyurethanharnstoffen
US4403083A (en) * 1979-06-01 1983-09-06 W. R. Grace & Co. Preparation of solid polyurethane particles
US4293679A (en) * 1979-06-13 1981-10-06 W. R. Grace & Co. Composition and method of controlling solid polyurethane particle size with water reactant
US4239679A (en) * 1979-06-27 1980-12-16 Diamond Shamrock Corporation High bulk density rigid poly(vinyl chloride) resin powder composition and preparation thereof
JPS6257467A (ja) * 1985-09-06 1987-03-13 Asahi Glass Co Ltd コ−テイング剤組成物
EP0296098A3 (en) * 1987-06-16 1989-08-23 W.R. Grace & Co.-Conn. Crosslinked polyurethane emulsion, process and prepolymer for its production and process for forming coatings from said emulsion
DE3741538A1 (de) * 1987-12-08 1989-06-22 Bayer Ag Polyurethanharnstoffe

Also Published As

Publication number Publication date
EP0388781B1 (de) 1994-02-09
EP0388781A3 (de) 1991-03-06
DE59004534D1 (de) 1994-03-24
DE3909597A1 (de) 1990-09-27
CA2012827A1 (en) 1990-09-23
US5021520A (en) 1991-06-04
EP0388781A2 (de) 1990-09-26

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