DE4107284A1 - Verfahren zur herstellung von polyurethanen - Google Patents

Verfahren zur herstellung von polyurethanen

Info

Publication number
DE4107284A1
DE4107284A1 DE4107284A DE4107284A DE4107284A1 DE 4107284 A1 DE4107284 A1 DE 4107284A1 DE 4107284 A DE4107284 A DE 4107284A DE 4107284 A DE4107284 A DE 4107284A DE 4107284 A1 DE4107284 A1 DE 4107284A1
Authority
DE
Germany
Prior art keywords
adduct
polyurethanes
trimethylolpropane
val
diol
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.)
Granted
Application number
DE4107284A
Other languages
German (de)
English (en)
Other versions
DE4107284C2 (cg-RX-API-DMAC10.html
Inventor
Gerhard Wick
Karl Bauer
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.)
HEBA OTOPLASTISCHES LABOR PAUL
Original Assignee
HEBA OTOPLASTISCHES LABOR PAUL
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 HEBA OTOPLASTISCHES LABOR PAUL filed Critical HEBA OTOPLASTISCHES LABOR PAUL
Publication of DE4107284A1 publication Critical patent/DE4107284A1/de
Application granted granted Critical
Publication of DE4107284C2 publication Critical patent/DE4107284C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts
    • 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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • C08G18/24—Catalysts containing metal compounds of tin
    • C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
    • 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8032—Masked aliphatic or cycloaliphatic polyisocyanates not provided for in one single of the groups C08G18/8016 and C08G18/8025
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Polyurethanes Or Polyureas (AREA)
DE4107284A 1990-03-08 1991-03-07 Verfahren zur herstellung von polyurethanen Granted DE4107284A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90200541 1990-03-08

Publications (2)

Publication Number Publication Date
DE4107284A1 true DE4107284A1 (de) 1991-09-12
DE4107284C2 DE4107284C2 (cg-RX-API-DMAC10.html) 1992-09-10

Family

ID=8204956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4107284A Granted DE4107284A1 (de) 1990-03-08 1991-03-07 Verfahren zur herstellung von polyurethanen

Country Status (1)

Country Link
DE (1) DE4107284A1 (cg-RX-API-DMAC10.html)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004052957A1 (de) * 2002-12-12 2004-06-24 Dreve Otoplastik Gmbh Verwendung eines werkstoffes für lärm-, schwimmschützer, otoplastiken und zur fixierung von ventings sowie verfahren zur herstellung solcher teile
DE102007033787A1 (de) 2007-07-09 2009-01-15 Aesculap Ag Gefäßprothese mit reduzierter Thrombogenität
EP2070490A1 (de) 2007-12-10 2009-06-17 Aesculap Ag Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen und Verwendung der Ummantelung in der Chirurgie
EP2156853A1 (en) 2008-08-19 2010-02-24 Aesculap AG Medical product for treatment of sinusitis
WO2011151318A1 (en) 2010-06-02 2011-12-08 Nonwotecc Medical Gmbh Device for placement in a hollow organ, in particular for holding open said hollow organ and method for producing such device
WO2012032030A1 (en) 2010-09-06 2012-03-15 Nonwotecc Medical Gmbh Device for closing openings or cavities in blood vessels
DE102011000400A1 (de) 2011-01-28 2012-08-02 Aesculap Ag Conduit-Klappenprothese und Verfahren zu ihrer Herstellung
WO2013050016A1 (de) * 2011-10-07 2013-04-11 Dreve Prodimed Gmbh Rohling zur abtragenden herstellung von ohrpassstücken

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243965A1 (de) * 2002-09-20 2004-04-01 Adiam Life Science Ag Verfahren zur Herstellung von biokompatiblen Polyurethanen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411361A1 (de) * 1984-03-28 1985-10-10 Akzo Gmbh, 5600 Wuppertal Einbettmaterial, verfahren zu seiner herstellung und seine verwendung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411361A1 (de) * 1984-03-28 1985-10-10 Akzo Gmbh, 5600 Wuppertal Einbettmaterial, verfahren zu seiner herstellung und seine verwendung

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004052957A1 (de) * 2002-12-12 2004-06-24 Dreve Otoplastik Gmbh Verwendung eines werkstoffes für lärm-, schwimmschützer, otoplastiken und zur fixierung von ventings sowie verfahren zur herstellung solcher teile
DE102007033787A1 (de) 2007-07-09 2009-01-15 Aesculap Ag Gefäßprothese mit reduzierter Thrombogenität
WO2009007046A2 (de) 2007-07-09 2009-01-15 Aesculap Ag Gefässprothese mit reduzierter thrombogenität
EP2438888A1 (de) 2007-12-10 2012-04-11 Aesculap AG Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen
DE102007061301A1 (de) 2007-12-10 2009-06-18 Aesculap Ag Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen und Verwendung der Ummantelung in der Chirurgie
DE202008017504U1 (de) 2007-12-10 2009-10-08 Aesculap Ag Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen und Verwendung der Ummantelung in der Chirurgie
EP2070490A1 (de) 2007-12-10 2009-06-17 Aesculap Ag Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen und Verwendung der Ummantelung in der Chirurgie
US8313533B2 (en) 2007-12-10 2012-11-20 Aesculap Ag Sheathing for restoring the function of valves of varicose veins and use of the sheathing in surgery
EP2156853A1 (en) 2008-08-19 2010-02-24 Aesculap AG Medical product for treatment of sinusitis
WO2011151318A1 (en) 2010-06-02 2011-12-08 Nonwotecc Medical Gmbh Device for placement in a hollow organ, in particular for holding open said hollow organ and method for producing such device
WO2012032030A1 (en) 2010-09-06 2012-03-15 Nonwotecc Medical Gmbh Device for closing openings or cavities in blood vessels
DE102011000400A1 (de) 2011-01-28 2012-08-02 Aesculap Ag Conduit-Klappenprothese und Verfahren zu ihrer Herstellung
WO2013050016A1 (de) * 2011-10-07 2013-04-11 Dreve Prodimed Gmbh Rohling zur abtragenden herstellung von ohrpassstücken

Also Published As

Publication number Publication date
DE4107284C2 (cg-RX-API-DMAC10.html) 1992-09-10

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
R071 Expiry of right