GB1508317A - Process for the production of elastomeric polyurethane ureas - Google Patents

Process for the production of elastomeric polyurethane ureas

Info

Publication number
GB1508317A
GB1508317A GB2008275A GB2008275A GB1508317A GB 1508317 A GB1508317 A GB 1508317A GB 2008275 A GB2008275 A GB 2008275A GB 2008275 A GB2008275 A GB 2008275A GB 1508317 A GB1508317 A GB 1508317A
Authority
GB
United Kingdom
Prior art keywords
extruder
kneading
prepolymer
reaction mixture
elastomeric polyurethane
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
GB2008275A
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
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1508317A publication Critical patent/GB1508317A/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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polyamides (AREA)
GB2008275A 1974-05-16 1975-05-13 Process for the production of elastomeric polyurethane ureas Expired GB1508317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742423764 DE2423764C3 (de) 1974-05-16 1974-05-16 Verfahren zur kontinuierlichen Herstellung von elastomeren Polyurethanharnstoffen

Publications (1)

Publication Number Publication Date
GB1508317A true GB1508317A (en) 1978-04-19

Family

ID=5915715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2008275A Expired GB1508317A (en) 1974-05-16 1975-05-13 Process for the production of elastomeric polyurethane ureas

Country Status (12)

Country Link
JP (1) JPS5546408B2 (xx)
BE (1) BE829120A (xx)
CA (1) CA1063291A (xx)
DE (1) DE2423764C3 (xx)
DK (1) DK214175A (xx)
ES (1) ES437684A1 (xx)
FR (1) FR2271247B1 (xx)
GB (1) GB1508317A (xx)
IE (1) IE41241B1 (xx)
IT (1) IT1035720B (xx)
LU (1) LU72469A1 (xx)
NL (1) NL170743C (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250292A (en) 1978-09-30 1981-02-10 Bayer Aktiengesellschaft Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine
US4261946A (en) 1978-12-16 1981-04-14 Bayer Aktiengesellschaft Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent
US4595709A (en) * 1980-04-23 1986-06-17 Bayer Aktiengesellschaft Process for the production of isocyanate polyaddition products
US5360885A (en) * 1992-02-03 1994-11-01 Bayer Aktiengesellschaft Process for the continuous production of polyurethane and polyurethane urea elastomers
US5942593A (en) * 1994-08-11 1999-08-24 Bayer Aktiengesellschaft Cycloaliphatic thermoplastic polyurethane elastomers
EP1361234A1 (de) * 2002-05-10 2003-11-12 Degussa AG Verfahren zur lösemittelfreien, kontinuierlichen Herstellung von Polyharnstoffen

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610980B2 (de) * 1976-03-16 1978-01-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren
DE2925944A1 (de) 1979-06-27 1981-01-22 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffen
JPS6359531A (ja) * 1986-08-29 1988-03-15 花王株式会社 ポリウレタン積層体の製造法
DE4437586A1 (de) 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Verfahren zur Herstellung von thermoplastischen Polyurethanen
EP0931640B1 (de) * 1998-01-23 2003-05-07 KLÖCKNER DESMA SCHUHMASCHINEN GmbH Verwendung einer Vorrichtung zum schussweisen Mischen und Ausbringen von in der Kavität eines Formwerkzeugs einer Spritzgiessmaschine ausreagierenden und aushärtenden Mehrkomponenten-Kunststoffen
DE102005004967A1 (de) * 2005-02-03 2006-08-10 Basf Ag Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere
WO2013030148A1 (de) 2011-08-29 2013-03-07 Bayer Intellectual Property Gmbh Hydrophile thermoplastische polyurethane und deren verwendung für die medizintechnik
WO2013083511A1 (de) 2011-12-06 2013-06-13 Bayer Intellectual Property Gmbh Tcd-alkohol-basierende thermoplastische polyurethanharnstoff-polymere und deren verwendung
WO2017177057A1 (en) 2016-04-06 2017-10-12 Zzyzx Polymers LLC Processable polymers and methods of making and using

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250292A (en) 1978-09-30 1981-02-10 Bayer Aktiengesellschaft Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine
US4261946A (en) 1978-12-16 1981-04-14 Bayer Aktiengesellschaft Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent
US4595709A (en) * 1980-04-23 1986-06-17 Bayer Aktiengesellschaft Process for the production of isocyanate polyaddition products
US5360885A (en) * 1992-02-03 1994-11-01 Bayer Aktiengesellschaft Process for the continuous production of polyurethane and polyurethane urea elastomers
US5942593A (en) * 1994-08-11 1999-08-24 Bayer Aktiengesellschaft Cycloaliphatic thermoplastic polyurethane elastomers
EP1361234A1 (de) * 2002-05-10 2003-11-12 Degussa AG Verfahren zur lösemittelfreien, kontinuierlichen Herstellung von Polyharnstoffen
US7129313B2 (en) 2002-05-10 2006-10-31 Degussa Ag Process for the solvent-free, continuous preparation of polyureas

Also Published As

Publication number Publication date
DE2423764A1 (de) 1975-11-27
DE2423764B2 (de) 1979-02-22
DK214175A (da) 1975-11-17
JPS5546408B2 (xx) 1980-11-22
IE41241B1 (en) 1979-11-21
ES437684A1 (es) 1977-02-01
JPS50159590A (xx) 1975-12-24
NL170743B (nl) 1982-07-16
NL7505741A (nl) 1975-11-18
IE41241L (en) 1975-11-16
CA1063291A (en) 1979-09-25
NL170743C (nl) 1982-12-16
IT1035720B (it) 1979-10-20
LU72469A1 (xx) 1976-03-17
DE2423764C3 (de) 1979-10-18
FR2271247A1 (xx) 1975-12-12
BE829120A (fr) 1975-11-17
FR2271247B1 (xx) 1980-02-08

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950512