ATE513T1 - PROCESS FOR THE MANUFACTURE OF MOLDED FOAM. - Google Patents

PROCESS FOR THE MANUFACTURE OF MOLDED FOAM.

Info

Publication number
ATE513T1
ATE513T1 AT79102330T AT79102330T ATE513T1 AT E513 T1 ATE513 T1 AT E513T1 AT 79102330 T AT79102330 T AT 79102330T AT 79102330 T AT79102330 T AT 79102330T AT E513 T1 ATE513 T1 AT E513T1
Authority
AT
Austria
Prior art keywords
polyisocyanates
catalysts
metals
metal
main group
Prior art date
Application number
AT79102330T
Other languages
German (de)
Inventor
Holger Dr. Meyborg
Werner Dr. Mormann
Gerhard Dr. Groegler
Juergen Dr. Schwindt
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 ATE513T1 publication Critical patent/ATE513T1/en

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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0033—Foam properties having integral skins
    • 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
    • C08G2410/00—Soles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • Y10T428/249989—Integrally formed skin

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The instant invention is directed to a process for the production of molded foams having a compact surface and cellular core and an integral density distribution over the cross-section of the body, comprising reacting (A) polyisocyanates, and (B) relatively high molecular and/or low molecular compounds having an average of at least two isocyanate-reactive hydrogen atoms in the presence of: (C) catalysts for the isocyanate polyaddition reaction and (D) blowing agents and optionally other known additives, in a closed mold under the conditions of foaming inside molds, the improvement wherein said polyisocyanates are aliphatic and/or alicyclic polyisocyanates and said catalysts are catalyst combinations of: (i) an alkali metal and/or alkaline earth metal hydroxide and (ii) a metal compound, the metal compound being the acetylacetonate of iron, C1-C8 alcoholates, phenolates, enolates and/or acetylacetonates of metals of the 4th Main Group or sulfur compounds of metals of the 4th Main Group of the Periodic System of Elements in which the sulfur is directly attached to the metal atom.
AT79102330T 1978-07-22 1979-07-09 PROCESS FOR THE MANUFACTURE OF MOLDED FOAM. ATE513T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782832253 DE2832253A1 (en) 1978-07-22 1978-07-22 METHOD FOR PRODUCING MOLDED FOAMS
EP19790102330 EP0007502B1 (en) 1978-07-22 1979-07-09 Process for preparing foamed moulded materials

Publications (1)

Publication Number Publication Date
ATE513T1 true ATE513T1 (en) 1982-01-15

Family

ID=6045096

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79102330T ATE513T1 (en) 1978-07-22 1979-07-09 PROCESS FOR THE MANUFACTURE OF MOLDED FOAM.

Country Status (7)

Country Link
US (1) US4263408A (en)
EP (1) EP0007502B1 (en)
JP (1) JPS5518486A (en)
AT (1) ATE513T1 (en)
AU (1) AU526668B2 (en)
DE (2) DE2832253A1 (en)
ES (1) ES482707A1 (en)

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DE1694138C2 (en) 1967-03-15 1982-06-09 Bayer Ag, 5090 Leverkusen Process for the production of rigid foam molded parts
GB1204100A (en) * 1968-05-15 1970-09-03 Bayer Ag Process for the production of foam plastics which contain urethane groups
US3730919A (en) * 1970-03-09 1973-05-01 Uniroyal Inc Process for production of rigid self-skinning polyurethane foam
FR2195648B1 (en) * 1972-08-07 1975-03-07 Rhone Poulenc Ind
DE2319648C2 (en) * 1973-04-18 1985-08-14 Bayer Ag, 5090 Leverkusen Further development of the process for the production of foams with excellent mold release properties
US3945981A (en) * 1974-11-08 1976-03-23 Uniroyal, Inc. Light stable polyurethane elastomer prepared from aliphatic isocyanate using thio tin organic compound containing sulfur attached to tin as heat activated catalyst
US3975317A (en) * 1975-01-30 1976-08-17 M & T Chemicals Inc. Method of preparing non-friable rigid polyurethane foam
US4101471A (en) * 1975-12-18 1978-07-18 M & T Chemicals Inc. High resiliency foam with improved load bearing ability by use of organotin mercaptides
US4067832A (en) * 1976-03-01 1978-01-10 The Procter & Gamble Company Flexible polyurethane foam

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AU526668B2 (en) 1983-01-27
JPS5518486A (en) 1980-02-08
EP0007502B1 (en) 1981-12-30
ES482707A1 (en) 1980-07-01
DE2961684D1 (en) 1982-02-18
DE2832253A1 (en) 1980-01-31
US4263408A (en) 1981-04-21
AU4913479A (en) 1980-01-31
EP0007502A1 (en) 1980-02-06

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