FR1461976A - Polyisocyanates - Google Patents

Polyisocyanates

Info

Publication number
FR1461976A
FR1461976A FR43921A FR43921A FR1461976A FR 1461976 A FR1461976 A FR 1461976A FR 43921 A FR43921 A FR 43921A FR 43921 A FR43921 A FR 43921A FR 1461976 A FR1461976 A FR 1461976A
Authority
FR
France
Prior art keywords
polyisocyanates
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
Application number
FR43921A
Other languages
English (en)
Inventor
Herbert Louis Heiss
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
Mobay Corp
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 Mobay Corp filed Critical Mobay Corp
Application granted granted Critical
Publication of FR1461976A publication Critical patent/FR1461976A/fr
Expired legal-status Critical Current

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
    • C08G18/70—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
    • 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
    • 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
    • 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)
  • 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)
FR43921A 1964-12-28 1965-12-28 Polyisocyanates Expired FR1461976A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421433A US3479384A (en) 1964-12-28 1964-12-28 Crude polyisocyanate compositions and preparation thereof

Publications (1)

Publication Number Publication Date
FR1461976A true FR1461976A (fr) 1966-12-09

Family

ID=23670490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43921A Expired FR1461976A (fr) 1964-12-28 1965-12-28 Polyisocyanates

Country Status (4)

Country Link
US (1) US3479384A (fr)
DE (1) DE1543258A1 (fr)
FR (1) FR1461976A (fr)
GB (1) GB1073810A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234039A (fr) * 1968-02-22 1971-06-03
GB1408745A (en) * 1970-09-23 1975-10-01 Res Ind Inc Method of recovering pure toluene diisocyanate from a polymeric residue product
JPS504719B2 (fr) * 1972-03-18 1975-02-22
US4024122A (en) * 1973-02-12 1977-05-17 Rca Corporation Method of purifying 2,4-bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonyloxy benzophenone)
DE3329124A1 (de) * 1983-08-11 1985-02-28 Bayer Ag, 5090 Leverkusen Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate
DE3430022A1 (de) * 1984-08-16 1986-02-27 Bayer Ag, 5090 Leverkusen Verfahren zur gewinnung von reinen diisocyanaten
US4876380A (en) * 1988-08-31 1989-10-24 The Dow Chemical Company Color reduction of polymeric isocyanates via multiple solvent fractionation
US4904704A (en) * 1988-12-22 1990-02-27 The Dow Chemical Company Rigid foams prepared from treated toluene diisocyanate residue
MX2009006911A (es) * 2007-01-12 2009-07-06 Basf Se Espumas rigidas de poliuretano.
KR20110095899A (ko) 2008-11-19 2011-08-25 바스프 에스이 이소시아네이트의 제조 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211631A (en) * 1965-10-12 Noilvttitsig gnv noijovhlxh
US3144474A (en) * 1964-08-11 Purification process for isocyanates
US2683730A (en) * 1951-01-17 1954-07-13 Goodyear Tire & Rubber Polyisocyanates and mixtures thereof
US3097191A (en) * 1957-03-29 1963-07-09 Ici Ltd Polyisocyanate compositions
US2938054A (en) * 1958-02-18 1960-05-24 Allied Chem Process for purification of 4, 4'-methylenedianiline
DE1251521B (de) * 1963-12-23 1967-10-05 Mobay Chemical Company, Pittsburgh Pa (V St A) Umsetzungsprodukte von Polyarylpolvalkylenpolyiso cyanaten fur die Herstellung von vernetzten Polyurethankunststoffen
US3317481A (en) * 1963-12-27 1967-05-02 Du Pont Chemical compositions and process

Also Published As

Publication number Publication date
US3479384A (en) 1969-11-18
DE1543258A1 (de) 1969-07-31
GB1073810A (en) 1967-06-28

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