IT1012895B - Espansi di poliuretano - Google Patents

Espansi di poliuretano

Info

Publication number
IT1012895B
IT1012895B IT2327474A IT2327474A IT1012895B IT 1012895 B IT1012895 B IT 1012895B IT 2327474 A IT2327474 A IT 2327474A IT 2327474 A IT2327474 A IT 2327474A IT 1012895 B IT1012895 B IT 1012895B
Authority
IT
Italy
Prior art keywords
expanded polyurethane
polyurethane
expanded
Prior art date
Application number
IT2327474A
Other languages
English (en)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT1012895B publication Critical patent/IT1012895B/it

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
    • C08G18/28—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
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
    • 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
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • 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
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT2327474A 1973-05-29 1974-05-28 Espansi di poliuretano IT1012895B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2536873A GB1422056A (en) 1973-05-29 1973-05-29 Polyurethane foams

Publications (1)

Publication Number Publication Date
IT1012895B true IT1012895B (it) 1977-03-10

Family

ID=10226542

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2327474A IT1012895B (it) 1973-05-29 1974-05-28 Espansi di poliuretano

Country Status (6)

Country Link
BE (1) BE815523A (it)
DE (1) DE2425657C2 (it)
ES (1) ES426729A1 (it)
FR (1) FR2231705B3 (it)
GB (1) GB1422056A (it)
IT (1) IT1012895B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202957A (en) * 1974-09-09 1980-05-13 The Upjohn Company Thermoplastic polyurethane elastomers from polyoxypropylene polyoxyethylene block copolymers
DE2647482A1 (de) * 1976-10-21 1978-04-27 Bayer Ag Verfahren zur herstellung von kalthaertenden, urethangruppen aufweisenden schaumstoffen
US4256849A (en) 1976-10-21 1981-03-17 Bayer Aktiengesellschaft Process for the production of cold setting foams which contain urethane groups prepared from a mixture of 4,4-diphenyl methane diisocyanate and 2,4-diphenyl methane diisocyanate
DE2717653C2 (de) * 1977-04-21 1988-05-26 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von kalthärtenden, flexiblen, Urethangruppen aufweisenden Schaumstoffen
DE3069385D1 (en) * 1979-12-14 1984-11-08 Ici Plc Process for preparing liquid polyisocyanate compositions, and their use
US4603076A (en) * 1985-03-04 1986-07-29 Norwood Industries, Inc. Hydrophilic foam
DE3934098C1 (it) * 1989-10-12 1991-05-23 Bayer Ag, 5090 Leverkusen, De
DE3942329A1 (de) * 1989-12-21 1991-06-27 Basf Ag Verfahren zur herstellung von polyurethan-weichschaumstoffen mit geringer stauchhaerte und hierfuer verwendbare blockpolyoxypropylen-polyoxyethylen-polyolgemische
DE4127514A1 (de) * 1991-08-20 1993-02-25 Bayer Ag Verfahren zur gewinnung von polyisocyanaten aus destillationsrueckstaenden der toluylendiisocyanatherstellung
US5621016A (en) * 1992-04-16 1997-04-15 Imperial Chemical Industries Plc Polyisocyanate compositions and low density flexible polyurethane foams produced therewith
TW568921B (en) 1998-08-07 2004-01-01 Huntsman Int Llc Process for preparing a moulded flexible polyurethane foam
DE10111823A1 (de) 2001-03-13 2002-09-26 Basf Ag Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen
DE102009033710A1 (de) 2009-07-18 2011-01-20 Evonik Goldschmidt Gmbh Verwendung von Metallsalzen einer Carbonsäure bei der Herstellung von Polyurethansystemen
DE102010003672A1 (de) 2010-04-07 2011-10-13 Evonik Goldschmidt Gmbh Herstellung und Verwendung von Metallsalzen von Alkyloxid- und/oder Arylalkyloxid-Oligomeren und -Polymeren mit Säureendgruppen bei der Herstellung von Polyurethansystemen
DE102011110016A1 (de) 2011-08-11 2013-02-14 Evonik Goldschmidt Gmbh Zusammensetzung enthaltend Zinn- und/oder Zink-Salze der Ricinolsäure sowie mindestens ein weiteres Zinncarboxylat und Verwendung der Zusammensetzung bei der Herstellung von Polyurethansystemen
DE102011110020A1 (de) 2011-08-11 2013-02-14 Evonik Goldschmidt Gmbh Formulierung enthaltend Zinn-und/oder Zink-Salze der Ricinolsäure,Harnstoff,Polyethylenglykol und Zuckeralkohol und Verwendung der Formulierung bei der Herstellung von Polyurethansystemen
EP2752243A1 (de) 2013-01-04 2014-07-09 Evonik Industries AG Verwendung von Zinnsalzen der Neodekansäure bei der Herstellung von Polyurethansystemen
DE102013201825A1 (de) 2013-02-05 2014-08-07 Evonik Industries Ag Zusammensetzung zur Verwendung bei der Herstellung von Polyurethansystemen
WO2017104600A1 (ja) * 2015-12-16 2017-06-22 株式会社ブリヂストン 軟質ポリウレタンフォーム、及びシート用パッド
JP6741420B2 (ja) * 2015-12-16 2020-08-19 株式会社ブリヂストン 乗り物のシート用パッド形成用軟質ポリウレタンフォーム、及び乗り物のシート用パッド

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362979A (en) * 1964-01-02 1968-01-09 Jefferson Chem Co Inc Mixtures of methylene-bridged polyphenyl polyisocyanates
GB1240708A (en) * 1967-07-31 1971-07-28 Upjohn Co Polyurethane foams

Also Published As

Publication number Publication date
DE2425657A1 (de) 1974-12-19
FR2231705B3 (it) 1977-03-25
DE2425657C2 (de) 1983-08-25
BE815523A (fr) 1974-11-25
ES426729A1 (es) 1976-07-01
GB1422056A (en) 1976-01-21
FR2231705A1 (it) 1974-12-27

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