DE69004244T2 - Verfahren zur Herstellung von hohen Anteilen des trans,trans-Isomeren enthaltenden 4,4'-Diisocyanatodicyclohexylmethan. - Google Patents

Verfahren zur Herstellung von hohen Anteilen des trans,trans-Isomeren enthaltenden 4,4'-Diisocyanatodicyclohexylmethan.

Info

Publication number
DE69004244T2
DE69004244T2 DE90124223T DE69004244T DE69004244T2 DE 69004244 T2 DE69004244 T2 DE 69004244T2 DE 90124223 T DE90124223 T DE 90124223T DE 69004244 T DE69004244 T DE 69004244T DE 69004244 T2 DE69004244 T2 DE 69004244T2
Authority
DE
Germany
Prior art keywords
trans
diisocyanatodicyclohexylmethane
preparation
high proportions
isomers
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 - Fee Related
Application number
DE90124223T
Other languages
English (en)
Other versions
DE69004244D1 (de
Inventor
Stephen D Seneker
Terry A Potter
Kenneth L Dunlap
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 Corp
Original Assignee
Miles Inc
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 Miles Inc filed Critical Miles Inc
Publication of DE69004244D1 publication Critical patent/DE69004244D1/de
Application granted granted Critical
Publication of DE69004244T2 publication Critical patent/DE69004244T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • 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
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE90124223T 1990-01-23 1990-12-14 Verfahren zur Herstellung von hohen Anteilen des trans,trans-Isomeren enthaltenden 4,4'-Diisocyanatodicyclohexylmethan. Expired - Fee Related DE69004244T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46854290A 1990-01-23 1990-01-23
US07/511,155 US4983763A (en) 1990-01-23 1990-04-19 Process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane

Publications (2)

Publication Number Publication Date
DE69004244D1 DE69004244D1 (de) 1993-12-02
DE69004244T2 true DE69004244T2 (de) 1994-03-03

Family

ID=27042438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90124223T Expired - Fee Related DE69004244T2 (de) 1990-01-23 1990-12-14 Verfahren zur Herstellung von hohen Anteilen des trans,trans-Isomeren enthaltenden 4,4'-Diisocyanatodicyclohexylmethan.

Country Status (7)

Country Link
US (1) US4983763A (de)
EP (1) EP0443139B1 (de)
JP (1) JPH04210950A (de)
KR (1) KR910014340A (de)
CA (1) CA2034035A1 (de)
DE (1) DE69004244T2 (de)
ES (1) ES2059977T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2039544A1 (en) * 1990-04-24 1991-10-25 Stephen D. Seneker Melt crystallization process for preparing high trans,trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane
US5233079A (en) * 1991-10-08 1993-08-03 Miles Inc. Free flowing solids based on 4,4'diisocyanato dicyclohexylmethane
US5208315A (en) * 1991-10-08 1993-05-04 Miles Inc. Elastomers based on 4,4'-diisocyanato dicyclohexylmethane enriched in the trans, trans isomer which contain essentially no chain extenders

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494563A (en) * 1947-01-08 1950-01-17 Du Pont Bis (4-aminocyclohexyl) methane
US2606925A (en) * 1949-12-15 1952-08-12 Du Pont Ruthenium catalyzed hydrogenation process for obtaining aminocyclohexyl compounds
US3153088A (en) * 1961-12-29 1964-10-13 Du Pont Selective alteration of the ratios of mixtures of bis-(4-aminocyclohexyl) methane isomers
US3155724A (en) * 1961-12-29 1964-11-03 Du Pont Process for bringing stereoisomeric mixture of bis-(4-aminocyclohexane) methane close to the equilibrium concentration
US3384661A (en) * 1964-12-28 1968-05-21 Du Pont Alcoholates of bis (p-aminocyclohexyl) methane and their use in separating stereoisomers of bis (p-aminocyclohexyl) methane
US3393236A (en) * 1965-06-09 1968-07-16 Du Pont Stereoisomeric preparation of bis(p-aminocyclohexyl) methane
GB1163895A (en) * 1965-11-18 1969-09-10 Ici Ltd A Composition of Matter and a Process for Making it
GB1127338A (en) * 1967-05-12 1968-09-18 Du Pont 4,4'-methylene bis (cyclohexyl isocyanate) isomers
CA971184A (en) * 1967-09-26 1975-07-15 Carl F. Irwin Aliphatic isocyanate compositions
GB1220715A (en) * 1967-10-06 1971-01-27 Allied Chem Isocyanate composition and polyurethanes derived therefrom
US3789032A (en) * 1971-06-22 1974-01-29 Du Pont Polyurethane-polyurea elastomers based on high trans-trans,4,4'-methylenebis-(cyclohexyl isocyanate)

Also Published As

Publication number Publication date
CA2034035A1 (en) 1991-07-24
KR910014340A (ko) 1991-08-31
JPH04210950A (ja) 1992-08-03
US4983763A (en) 1991-01-08
DE69004244D1 (de) 1993-12-02
EP0443139B1 (de) 1993-10-27
EP0443139A1 (de) 1991-08-28
ES2059977T3 (es) 1994-11-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee