GB1432112A - Continuous process for the production of polyurethanes - Google Patents

Continuous process for the production of polyurethanes

Info

Publication number
GB1432112A
GB1432112A GB1051974A GB1051974A GB1432112A GB 1432112 A GB1432112 A GB 1432112A GB 1051974 A GB1051974 A GB 1051974A GB 1051974 A GB1051974 A GB 1051974A GB 1432112 A GB1432112 A GB 1432112A
Authority
GB
United Kingdom
Prior art keywords
zone
aqueous phase
prepolymer
polyurethane urea
lengthening agent
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
GB1051974A
Other languages
English (en)
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
Priority claimed from DE19732311635 external-priority patent/DE2311635C3/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1432112A publication Critical patent/GB1432112A/en
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
    • C08G18/08—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
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0866—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
    • 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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB1051974A 1973-03-09 1974-03-08 Continuous process for the production of polyurethanes Expired GB1432112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732311635 DE2311635C3 (de) 1973-03-09 Verfahren zur kontinuierlichen Herstellung von dispersen Polyurethanharnstoffen

Publications (1)

Publication Number Publication Date
GB1432112A true GB1432112A (en) 1976-04-14

Family

ID=5874209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051974A Expired GB1432112A (en) 1973-03-09 1974-03-08 Continuous process for the production of polyurethanes

Country Status (13)

Country Link
JP (1) JPS5622459B2 (https=)
AT (1) AT332125B (https=)
AU (1) AU477178B2 (https=)
BE (1) BE811971A (https=)
BR (1) BR7401787D0 (https=)
DD (1) DD115140A5 (https=)
ES (1) ES424090A1 (https=)
FR (1) FR2220556B1 (https=)
GB (1) GB1432112A (https=)
IT (1) IT1008395B (https=)
LU (1) LU69583A1 (https=)
NL (1) NL7403183A (https=)
SU (1) SU523643A3 (https=)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742095A (en) * 1985-07-25 1988-05-03 Mobay Corporation Continuous process for the production of aqueous polyurethane-urea dispersions
US4783502A (en) * 1987-12-03 1988-11-08 Ppg Industries, Inc. Stable nonaqueous polyurethane microparticle dispersion
US4833177A (en) * 1987-12-03 1989-05-23 Ppg Industries, Inc. Method for preparing stably dispersed nonaqueous microparticle dispersion
US4857565A (en) * 1986-02-08 1989-08-15 Bayer Aktiengesellschaft Process for the continuous production of aqueous polyurethane dispersions and their use as a coating composition or as an adhesive
US4879322A (en) * 1986-10-21 1989-11-07 Mobay Corporation Continuous process for the production of aqueous polyurethane urea dispersions
US4921842A (en) * 1987-08-15 1990-05-01 Bayer Aktiengessellschaft Process for the production of aqueous polyurethane dispersions
US5084506A (en) * 1987-12-03 1992-01-28 Ppg Industries, Inc. Stable nonaqueous microparticle dispersions prepared from aminoplast resins
US6087440A (en) * 1999-02-16 2000-07-11 The Dow Chemical Company Continuous process for preparing a polyurethane latex
US6451908B1 (en) 1999-04-14 2002-09-17 The Dow Chemical Company Polyurethane films prepared from polyurethane dispersions
US6514572B1 (en) 1999-04-14 2003-02-04 Dow Global Technologies Inc. Polyurethane films prepared by electrodeposition from polyurethane dispersions
US6720385B2 (en) 1997-03-17 2004-04-13 The Dow Chemical Company Polyurethane latexes, processes for preparing them and polymers prepared therewith
EP1489130A4 (en) * 2002-03-28 2006-05-10 Dainippon Ink & Chemicals PROCESS FOR PREPARING A POLYURETHANE EMULSION
US10752727B1 (en) 2015-07-10 2020-08-25 Covestro Deutschland Ag Process and apparatus for continuous production of aqueous polyurethane dispersions
EP3724247A2 (en) * 2017-12-15 2020-10-21 Stahl International B.V. Process for producing aqueous polyurethane dispersions in a continuous manner; apparatus suitable for performing such a process; and products obtained by said process

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438527A1 (de) * 1984-10-20 1986-04-24 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von harnstoffgruppen enthaltenden polyisocyanaten
AU606737B2 (en) * 1987-07-14 1991-02-14 Dow Chemical Company, The Polyisocyanate prepolymers prepared from rigid polyaromatic precursor materials, and polyurethanes prepared therefrom
JPH0397712A (ja) * 1989-09-08 1991-04-23 Dai Ichi Kogyo Seiyaku Co Ltd 真球状高分子粉粒体の製造方法
US20070100112A1 (en) * 2005-10-27 2007-05-03 Bayer Materialscience Llc Polyurethane-urea elastomers
NL2023089B1 (en) 2019-05-08 2019-10-04 Stahl Int B V Process for producing aqueous polyurethane dispersions in a continuous manner; apparatus suitable for performing such a process; and products obtained by said process
CN110606929A (zh) * 2019-09-18 2019-12-24 牡丹江师范学院 一种方便贮存运输的环氧改性水性聚氨酯乳液、制备方法及贮存方法

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742095A (en) * 1985-07-25 1988-05-03 Mobay Corporation Continuous process for the production of aqueous polyurethane-urea dispersions
US4857565A (en) * 1986-02-08 1989-08-15 Bayer Aktiengesellschaft Process for the continuous production of aqueous polyurethane dispersions and their use as a coating composition or as an adhesive
US4879322A (en) * 1986-10-21 1989-11-07 Mobay Corporation Continuous process for the production of aqueous polyurethane urea dispersions
US4921842A (en) * 1987-08-15 1990-05-01 Bayer Aktiengessellschaft Process for the production of aqueous polyurethane dispersions
US5084506A (en) * 1987-12-03 1992-01-28 Ppg Industries, Inc. Stable nonaqueous microparticle dispersions prepared from aminoplast resins
US4833177A (en) * 1987-12-03 1989-05-23 Ppg Industries, Inc. Method for preparing stably dispersed nonaqueous microparticle dispersion
US4783502A (en) * 1987-12-03 1988-11-08 Ppg Industries, Inc. Stable nonaqueous polyurethane microparticle dispersion
US6720385B2 (en) 1997-03-17 2004-04-13 The Dow Chemical Company Polyurethane latexes, processes for preparing them and polymers prepared therewith
US6087440A (en) * 1999-02-16 2000-07-11 The Dow Chemical Company Continuous process for preparing a polyurethane latex
US6451908B1 (en) 1999-04-14 2002-09-17 The Dow Chemical Company Polyurethane films prepared from polyurethane dispersions
US6514572B1 (en) 1999-04-14 2003-02-04 Dow Global Technologies Inc. Polyurethane films prepared by electrodeposition from polyurethane dispersions
EP1489130A4 (en) * 2002-03-28 2006-05-10 Dainippon Ink & Chemicals PROCESS FOR PREPARING A POLYURETHANE EMULSION
US7253228B2 (en) 2002-03-28 2007-08-07 Dainippon Ink And Chemicals, Inc. Method for producing polyurethane emulsion
US10752727B1 (en) 2015-07-10 2020-08-25 Covestro Deutschland Ag Process and apparatus for continuous production of aqueous polyurethane dispersions
EP3724247A2 (en) * 2017-12-15 2020-10-21 Stahl International B.V. Process for producing aqueous polyurethane dispersions in a continuous manner; apparatus suitable for performing such a process; and products obtained by said process

Also Published As

Publication number Publication date
AT332125B (de) 1976-09-10
ES424090A1 (es) 1976-05-16
BR7401787D0 (pt) 1974-11-05
FR2220556B1 (https=) 1980-12-12
DE2311635A1 (de) 1974-09-12
IT1008395B (it) 1976-11-10
AU477178B2 (en) 1976-10-14
AU6641574A (en) 1975-09-11
JPS49120994A (https=) 1974-11-19
NL7403183A (https=) 1974-09-11
FR2220556A1 (https=) 1974-10-04
BE811971A (fr) 1974-09-09
JPS5622459B2 (https=) 1981-05-25
DD115140A5 (https=) 1975-09-12
DE2311635B2 (de) 1976-11-11
ATA188174A (de) 1975-12-15
SU523643A3 (ru) 1976-07-30
LU69583A1 (https=) 1974-10-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee