ES437684A1 - Procedimiento para la obtencion continua de poliuretanureas elastomeras. - Google Patents

Procedimiento para la obtencion continua de poliuretanureas elastomeras.

Info

Publication number
ES437684A1
ES437684A1 ES437684A ES437684A ES437684A1 ES 437684 A1 ES437684 A1 ES 437684A1 ES 437684 A ES437684 A ES 437684A ES 437684 A ES437684 A ES 437684A ES 437684 A1 ES437684 A1 ES 437684A1
Authority
ES
Spain
Prior art keywords
reaction
poise
worm
viscosity
area
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
ES437684A
Other languages
English (en)
Spanish (es)
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 ES437684A1 publication Critical patent/ES437684A1/es
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)
ES437684A 1974-05-16 1975-05-14 Procedimiento para la obtencion continua de poliuretanureas elastomeras. Expired ES437684A1 (es)

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
ES437684A1 true ES437684A1 (es) 1977-02-01

Family

ID=5915715

Family Applications (1)

Application Number Title Priority Date Filing Date
ES437684A Expired ES437684A1 (es) 1974-05-16 1975-05-14 Procedimiento para la obtencion continua de poliuretanureas elastomeras.

Country Status (12)

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

Families Citing this family (18)

* 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
DE2842806A1 (de) * 1978-09-30 1980-04-10 Bayer Ag Verfahren zur herstellung von polyurethan-elastomeren
DE2854386A1 (de) 1978-12-16 1980-07-03 Bayer Ag Verfahren zur herstellung von thermoplastischen chemiewerkstoffen
DE2925944A1 (de) 1979-06-27 1981-01-22 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffen
DE3015576A1 (de) * 1980-04-23 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von isocyanat-polyadditionsprodukten und deren verwendung als thermoplastische pressmasse oder als reaktiver fuellstoff, insbesondere in einem verfahren zur herstellung von polyurethankunststoffen
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
DE4202973A1 (de) * 1992-02-03 1993-08-05 Bayer Ag Verfahren zur kontinuierlichen herstellung von polyurethan- und polyurethanharnstoff-elastomeren
DE4428458A1 (de) 1994-08-11 1996-02-15 Bayer Ag Cycloaliphatische thermoplastische Polyurethanelastomere
DE4437586A1 (de) 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Verfahren zur Herstellung von thermoplastischen Polyurethanen
EP0931640B1 (fr) * 1998-01-23 2003-05-07 KLÖCKNER DESMA SCHUHMASCHINEN GmbH Utilisation d'un appareil pour mélanger et extruder en étapes des mélanges réactifs à multicomposants pour le moulage réaction-injection
DE10221047A1 (de) * 2002-05-10 2003-11-27 Degussa Verfahren zur lösemittelfreien,kontinuierlichen Herstellung von Polyharnstoffen
GB0812864D0 (en) 2008-07-15 2008-08-20 Cxr Ltd Coolign anode
US9208988B2 (en) 2005-10-25 2015-12-08 Rapiscan Systems, Inc. Graphite backscattered electron shield for use in an X-ray tube
US8094784B2 (en) 2003-04-25 2012-01-10 Rapiscan Systems, Inc. X-ray sources
DE102005004967A1 (de) * 2005-02-03 2006-08-10 Basf Ag Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere
WO2013030148A1 (fr) 2011-08-29 2013-03-07 Bayer Intellectual Property Gmbh Polyuréthanes thermoplastiques hydrophiles et utilisation desdits polyuréthanes thermoplastiques hydrophiles dans la technique médicale
WO2013083511A1 (fr) 2011-12-06 2013-06-13 Bayer Intellectual Property Gmbh Polymères polyuréthane-urée thermoplastiques à base de tcd-alcool et leur utilisation
EP3439846A1 (fr) 2016-04-06 2019-02-13 Zzyzx Polymers LLC Polymères pouvant être traités, leurs procédés de production et d'utilisation

Also Published As

Publication number Publication date
DE2423764C3 (de) 1979-10-18
DE2423764A1 (de) 1975-11-27
IE41241L (en) 1975-11-16
NL170743C (nl) 1982-12-16
LU72469A1 (fr) 1976-03-17
CA1063291A (fr) 1979-09-25
IT1035720B (it) 1979-10-20
FR2271247A1 (fr) 1975-12-12
BE829120A (fr) 1975-11-17
DE2423764B2 (de) 1979-02-22
NL170743B (nl) 1982-07-16
DK214175A (da) 1975-11-17
IE41241B1 (en) 1979-11-21
FR2271247B1 (fr) 1980-02-08
JPS50159590A (fr) 1975-12-24
GB1508317A (en) 1978-04-19
NL7505741A (nl) 1975-11-18
JPS5546408B2 (fr) 1980-11-22

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