CA2088521A1 - Process for the continuous production of polyurethane and polyurethane urea prepolymers - Google Patents

Process for the continuous production of polyurethane and polyurethane urea prepolymers

Info

Publication number
CA2088521A1
CA2088521A1 CA002088521A CA2088521A CA2088521A1 CA 2088521 A1 CA2088521 A1 CA 2088521A1 CA 002088521 A CA002088521 A CA 002088521A CA 2088521 A CA2088521 A CA 2088521A CA 2088521 A1 CA2088521 A1 CA 2088521A1
Authority
CA
Canada
Prior art keywords
polyurethane
continuous production
urea prepolymers
prepolymers
polyurethane urea
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.)
Granted
Application number
CA002088521A
Other languages
French (fr)
Other versions
CA2088521C (en
Inventor
Ernst Orthmann
Klaus Wulff
Peter Hoeltzenbein
Helmut Judat
Hans Wagner
Gottfried Zaby
Herbert Heidingsfeld
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 AG
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 CA2088521A1 publication Critical patent/CA2088521A1/en
Application granted granted Critical
Publication of CA2088521C publication Critical patent/CA2088521C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08G18/08—Processes
    • C08G18/0895—Manufacture of polymers by continuous processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/32—Mixing; Kneading continuous, with mechanical mixing or kneading devices with non-movable mixing or kneading devices
    • B29B7/325—Static mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to the continuous production of polyurethane and polyurethane urea prepolymers by reaction of polyisocyanates with polyhydroxyl compounds in a mixing nozzle.
CA002088521A 1992-02-03 1993-02-01 Process for the continuous production of polyurethane and polyurethane urea prepolymers Expired - Fee Related CA2088521C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4202972.4 1992-02-03
DE4202972A DE4202972A1 (en) 1992-02-03 1992-02-03 METHOD FOR THE CONTINUOUS PRODUCTION OF POLYURETHANE AND POLYURETHANE UREA PRE-POLYMERS

Publications (2)

Publication Number Publication Date
CA2088521A1 true CA2088521A1 (en) 1993-08-04
CA2088521C CA2088521C (en) 2004-01-20

Family

ID=6450828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002088521A Expired - Fee Related CA2088521C (en) 1992-02-03 1993-02-01 Process for the continuous production of polyurethane and polyurethane urea prepolymers

Country Status (5)

Country Link
EP (1) EP0554718B1 (en)
JP (1) JP3169466B2 (en)
CA (1) CA2088521C (en)
DE (2) DE4202972A1 (en)
ES (1) ES2083781T3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668191A (en) * 1995-12-21 1997-09-16 Arco Chemical Technology, L.P. One-shot cold molded flexible polyurethane foam from low primary hydroxyl polyols and process for the preparation thereof
US5700847A (en) * 1995-12-04 1997-12-23 Arco Chemical Technology, L.P. Molded polyurethane foam with enhanced physical properties
US5739250A (en) * 1995-06-07 1998-04-14 Bayer Aktiengesellschaft Thermoplastic polyurethane-urea elastomers
US6051622A (en) * 1998-09-17 2000-04-18 Arco Chemical Technology, L.P. Low resilience, low frequency molded polyurethane foam
US6417312B1 (en) 1995-06-07 2002-07-09 Bayer Aktiengesellschaft Thermoplastic polyurethane elastomers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437586A1 (en) 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Process for the preparation of thermoplastic polyurethanes
DE19706030C2 (en) * 1997-02-17 2000-07-06 Bayer Ag Method and device for producing filler-containing polyurethanes
DE19823393A1 (en) 1998-05-26 1999-12-02 Basf Ag Prepolymers containing isocyanate groups and process for their preparation
DE102004027705B4 (en) * 2004-06-07 2006-10-26 Bayer Materialscience Ag Process for the preparation of polyurethane and / or polyurethane urea prepolymers
CN101209405B (en) * 2006-12-27 2013-08-28 宁波万华聚氨酯有限公司 Hole jet type injecting reactor
DE102008003738A1 (en) * 2008-01-10 2009-07-30 Neopor System Gmbh Method and associated apparatus for pressureless or near-pressureless introduction of foam in a pressurized stream of material
JP5948339B2 (en) * 2011-10-24 2016-07-06 昭和電工株式会社 Method for producing high molecular weight aliphatic polyester

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854386A1 (en) * 1978-12-16 1980-07-03 Bayer Ag METHOD FOR PRODUCING THERMOPLASTIC CHEMICAL MATERIALS
US4334783A (en) * 1978-12-21 1982-06-15 Showa Denko Kabushiki Kaisha Mixing device
DE3744001C1 (en) * 1987-12-24 1989-06-08 Bayer Ag Process for the continuous production of mono- or polyisocyanates

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5739250A (en) * 1995-06-07 1998-04-14 Bayer Aktiengesellschaft Thermoplastic polyurethane-urea elastomers
US6417312B1 (en) 1995-06-07 2002-07-09 Bayer Aktiengesellschaft Thermoplastic polyurethane elastomers
US5700847A (en) * 1995-12-04 1997-12-23 Arco Chemical Technology, L.P. Molded polyurethane foam with enhanced physical properties
US5668191A (en) * 1995-12-21 1997-09-16 Arco Chemical Technology, L.P. One-shot cold molded flexible polyurethane foam from low primary hydroxyl polyols and process for the preparation thereof
US6051622A (en) * 1998-09-17 2000-04-18 Arco Chemical Technology, L.P. Low resilience, low frequency molded polyurethane foam

Also Published As

Publication number Publication date
DE4202972A1 (en) 1993-08-05
ES2083781T3 (en) 1996-04-16
EP0554718B1 (en) 1996-03-06
EP0554718A3 (en) 1993-09-29
JP3169466B2 (en) 2001-05-28
DE59301754D1 (en) 1996-04-11
CA2088521C (en) 2004-01-20
EP0554718A2 (en) 1993-08-11
JPH05271372A (en) 1993-10-19

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed