BE866650A - Procede continu de fabrication de produits de polyaddition de polyisocyanates - Google Patents

Procede continu de fabrication de produits de polyaddition de polyisocyanates

Info

Publication number
BE866650A
BE866650A BE187340A BE187340A BE866650A BE 866650 A BE866650 A BE 866650A BE 187340 A BE187340 A BE 187340A BE 187340 A BE187340 A BE 187340A BE 866650 A BE866650 A BE 866650A
Authority
BE
Belgium
Prior art keywords
manufacturing
continuous process
polyisocyanate polyaddition
polyaddition products
polyisocyanate
Prior art date
Application number
BE187340A
Other languages
English (en)
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
Publication of BE866650A publication Critical patent/BE866650A/fr

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
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
    • 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
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • 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
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • 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
    • B01J2219/00168—Controlling or regulating processes controlling the viscosity
    • 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
    • B01J2219/00189—Controlling or regulating processes controlling the stirring velocity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE187340A 1977-05-04 1978-05-03 Procede continu de fabrication de produits de polyaddition de polyisocyanates BE866650A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772719970 DE2719970A1 (de) 1977-05-04 1977-05-04 Verfahren zur herstellung von polyisocyanat-polyadditionsprodukten

Publications (1)

Publication Number Publication Date
BE866650A true BE866650A (fr) 1978-11-03

Family

ID=6008025

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187340A BE866650A (fr) 1977-05-04 1978-05-03 Procede continu de fabrication de produits de polyaddition de polyisocyanates

Country Status (10)

Country Link
US (1) US4119613A (fr)
JP (1) JPS53137299A (fr)
BE (1) BE866650A (fr)
BR (1) BR7802752A (fr)
DE (1) DE2719970A1 (fr)
ES (1) ES469402A1 (fr)
FR (1) FR2389646B1 (fr)
GB (1) GB1579814A (fr)
IT (1) IT7849154A0 (fr)
NL (1) NL7804701A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1558910A (en) * 1977-05-04 1980-01-09 Bayer Ag Continuous process for the production of polybutylene terephthalates
DE2719967A1 (de) * 1977-05-04 1978-11-09 Bayer Ag Kontinuierliches verfahren zur durchfuehrung von stofftransportbedingten reaktionen
DE2811902A1 (de) * 1978-03-18 1979-09-27 Bayer Ag Verfahren und vorrichtung zum entfernen von loesungsmitteln und reagieren von stoffkomponenten bei mehrstoffgemischen
DE2829199A1 (de) * 1978-07-03 1980-02-21 Akzo Gmbh Polyurethane aus trans-cyclohexan- 1,4-diisocyanat
US4847320A (en) * 1988-07-28 1989-07-11 Mobay Corporation Stable dispersions and the manufacture thereof
US4855352A (en) * 1988-07-28 1989-08-08 Mobay Corporation Process for the production of stable dispersions, the dispersions so produced, and the use thereof in the manufacture of polyurethanes
US5342855A (en) * 1990-01-23 1994-08-30 Miles Inc. Stable dispersions of polyhydrazodicarbonamides useful in the preparation of polyurethane products having improved load-bearing capacity
DE4217365A1 (de) * 1992-05-26 1993-12-02 Bayer Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethan-Elastomeren durch einen mehrstufigen Prozeß
EP1626061A1 (fr) * 2004-08-11 2006-02-15 Rhein Chemie Rheinau GmbH Procédé de fabrication de polyurées pulvérulentes.
US7795359B2 (en) * 2005-03-04 2010-09-14 Novartis Ag Continuous process for production of polymeric materials
US7435787B2 (en) * 2005-09-14 2008-10-14 Momentive Performance Materials Inc. Process for the continuous production of silylated resin
US9290656B2 (en) * 2006-02-21 2016-03-22 Mitsui Chemicals, Inc. Polymerizable composition for polythiourethane optical material
US10066047B2 (en) * 2012-02-02 2018-09-04 Covestro Llc Polyurethane foams with decreased aldehyde emissions, a process for preparing these foams and a method for decreasing aldehyde in polyurethane foams

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737479A (en) * 1953-07-27 1956-03-06 Exxon Research Engineering Co Staged separation and stabilization of oil conversion products and apparatus therefor
US2857144A (en) * 1956-05-15 1958-10-21 Mobay Chemical Corp Mixing device
US3183112A (en) * 1955-12-06 1965-05-11 Bayer Ag Isocyanates and method of preparing same
US3233025A (en) * 1962-04-24 1966-02-01 Mobay Chemical Corp Method of making polyurethanes
DE1667051B2 (de) * 1967-09-04 1976-09-23 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum eindampfen von insbesondere viskosen fluessigkeiten und zum ausdampfen der bei reaktionen entstehenden produkte
DE1770990A1 (de) * 1968-07-26 1972-01-13 Reuter Kunststoff Osnabrueck Verfahren und Vorrichtung zum Herstellen von thermoplastisch verarbeitbaren Polyurethan-Kunststoffen
US3834441A (en) * 1969-04-25 1974-09-10 Bayer Ag Process for concentrating polymer solutions by evaporation
US3674720A (en) * 1969-11-19 1972-07-04 Cincinnati Milling Machine Co Process for mixing coreactive liquids which form polyurethanes
BE759829A (fr) * 1969-12-03 1971-06-03 Upjohn Co Preparation de polyurethanes
US3894994A (en) * 1973-09-20 1975-07-15 Usm Corp Continuous method of making polyurethane powder

Also Published As

Publication number Publication date
GB1579814A (en) 1980-11-26
FR2389646A1 (fr) 1978-12-01
ES469402A1 (es) 1979-02-01
BR7802752A (pt) 1978-12-12
DE2719970A1 (de) 1978-11-16
NL7804701A (nl) 1978-11-07
JPS53137299A (en) 1978-11-30
FR2389646B1 (fr) 1984-11-23
IT7849154A0 (it) 1978-05-02
US4119613A (en) 1978-10-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19860531