FR2024209A1 - - Google Patents

Info

Publication number
FR2024209A1
FR2024209A1 FR6940630A FR6940630A FR2024209A1 FR 2024209 A1 FR2024209 A1 FR 2024209A1 FR 6940630 A FR6940630 A FR 6940630A FR 6940630 A FR6940630 A FR 6940630A FR 2024209 A1 FR2024209 A1 FR 2024209A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6940630A
Other languages
French (fr)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of FR2024209A1 publication Critical patent/FR2024209A1/fr
Withdrawn legal-status Critical Current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
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR6940630A 1968-11-25 1969-11-25 Withdrawn FR2024209A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5580368 1968-11-25
GB4806669 1969-09-30

Publications (1)

Publication Number Publication Date
FR2024209A1 true FR2024209A1 (en) 1970-08-28

Family

ID=26266203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6940630A Withdrawn FR2024209A1 (en) 1968-11-25 1969-11-25

Country Status (4)

Country Link
DE (1) DE1959168A1 (en)
FR (1) FR2024209A1 (en)
GB (1) GB1228495A (en)
NL (1) NL6917710A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371417A1 (en) * 1976-11-19 1978-06-16 Mobay Chemical Corp PERFECTED PROCESS FOR THE PREPARATION OF AROMATIC POLYCYCLIC POLYAMINES
WO2002070581A1 (en) * 2001-03-08 2002-09-12 Basf Aktiengesellschaft Method for producing mdi, especially 2,4'-mdi

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293879C2 (en) * 1967-06-10 1973-05-03 Dahl Manfred Partition wall for a cable duct
CA1004234A (en) * 1972-08-04 1977-01-25 Bayer Aktiengesellschaft Process for the production of polyamines
US4189443A (en) * 1974-04-26 1980-02-19 Bayer Aktiengesellschaft Method for making a polyamine
US3971829A (en) * 1974-11-18 1976-07-27 Jefferson Chemical Company, Inc. Preparation of methylene-bridged polyphenylpolyamine mixtures
DE2557501A1 (en) * 1975-12-19 1977-06-30 Bayer Ag PROCESS FOR PRODUCING POLYAMINES
DE2557500A1 (en) * 1975-12-19 1977-06-30 Bayer Ag PROCESS FOR PRODUCING POLYAMINES
US4064170A (en) * 1976-09-15 1977-12-20 Texaco Development Corporation Preparation of methylene-bridged polyarylpolyamine mixtures
DE2947531A1 (en) * 1979-11-26 1981-06-04 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING POLYPHENYLPOLYMETHYLENEPOLYAMINES
CH660879A5 (en) * 1984-10-30 1987-05-29 Ciba Geigy Ag ONE-STEP PROCESS FOR THE PRODUCTION OF BIS-(AMINO-NITROPHENYL)-METHANE.
US10689322B2 (en) * 2014-06-24 2020-06-23 Covestro Deutschland Ag Process for preparation of di- and polyamines of the diphenylmethane series
US11795259B2 (en) 2020-04-15 2023-10-24 Fina Technology, Inc. Methods for production of high impact polystyrene having an improved rubber morphology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371417A1 (en) * 1976-11-19 1978-06-16 Mobay Chemical Corp PERFECTED PROCESS FOR THE PREPARATION OF AROMATIC POLYCYCLIC POLYAMINES
WO2002070581A1 (en) * 2001-03-08 2002-09-12 Basf Aktiengesellschaft Method for producing mdi, especially 2,4'-mdi

Also Published As

Publication number Publication date
NL6917710A (en) 1970-05-27
DE1959168A1 (en) 1970-07-30
GB1228495A (en) 1971-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse