IL24704A - Process for preparing flexible cellular polyurethanes - Google Patents

Process for preparing flexible cellular polyurethanes

Info

Publication number
IL24704A
IL24704A IL24704A IL2470465A IL24704A IL 24704 A IL24704 A IL 24704A IL 24704 A IL24704 A IL 24704A IL 2470465 A IL2470465 A IL 2470465A IL 24704 A IL24704 A IL 24704A
Authority
IL
Israel
Prior art keywords
preparing flexible
flexible cellular
cellular polyurethanes
polyurethanes
preparing
Prior art date
Application number
IL24704A
Other languages
English (en)
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Publication of IL24704A publication Critical patent/IL24704A/xx

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
    • C08G18/4804—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
    • C08G18/08—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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • C08G18/26—Catalysts containing metal compounds of lead
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/914—Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants

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)
IL24704A 1964-11-30 1965-11-30 Process for preparing flexible cellular polyurethanes IL24704A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41490364A 1964-11-30 1964-11-30
US506577A US3385807A (en) 1964-11-30 1965-11-05 Cellular urethanes and process for preparing same wherein a combination of stannous and lead salts are employed

Publications (1)

Publication Number Publication Date
IL24704A true IL24704A (en) 1968-12-26

Family

ID=27022779

Family Applications (1)

Application Number Title Priority Date Filing Date
IL24704A IL24704A (en) 1964-11-30 1965-11-30 Process for preparing flexible cellular polyurethanes

Country Status (9)

Country Link
US (1) US3385807A (fr)
BE (1) BE673084A (fr)
DE (1) DE1544637A1 (fr)
ES (1) ES320172A1 (fr)
FR (1) FR1462535A (fr)
GB (1) GB1072639A (fr)
IL (1) IL24704A (fr)
NL (1) NL6515533A (fr)
SE (1) SE314207B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL129642C (fr) * 1964-03-02 1970-08-18
US4379903A (en) * 1982-03-01 1983-04-12 The United States Of America As Represented By The Secretary Of The Navy Propellant binders cure catalyst
DE3378122D1 (en) * 1982-12-17 1988-11-03 American Cyanamid Co Use of certain catalyst compositions for the preparation of polyurethanes
US4525490A (en) * 1984-07-02 1985-06-25 Thermocell Development, Ltd. High tear strength flexible urethane foam composition and method of preparation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633819A (fr) * 1959-08-10
DE1251018B (de) * 1960-04-27 1967-09-28 The General Tire & Rubber Com pany, Akron Ohio (V St A) Verfahren zur Herstellung von Polyurethanschaumstoffen
NL280840A (fr) * 1961-07-12
NL283697A (fr) * 1961-09-27
US3245923A (en) * 1962-05-11 1966-04-12 Union Carbide Corp Cellular polyurethane stabilized with a lead dialkyldithiocarbamate and process for preparing same
US3182037A (en) * 1962-06-01 1965-05-04 Dennison Mfg Co Polyurethane stabilized with titanium dioxide and a dithiocarbamate
US3127312A (en) * 1963-06-10 1964-03-31 Fumigant-extended polyurethane foams

Also Published As

Publication number Publication date
ES320172A1 (es) 1966-05-16
FR1462535A (fr) 1966-12-16
DE1544637A1 (de) 1970-06-04
SE314207B (fr) 1969-09-01
NL6515533A (fr) 1966-05-31
US3385807A (en) 1968-05-28
BE673084A (fr) 1966-03-16
GB1072639A (en) 1967-06-21

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