ES2128368T3 - Procedimiento para la obtencion de disoluciones de hilatura de elastano de viscosidad estable, pobres en gel, altamente concentradas. - Google Patents

Procedimiento para la obtencion de disoluciones de hilatura de elastano de viscosidad estable, pobres en gel, altamente concentradas.

Info

Publication number
ES2128368T3
ES2128368T3 ES93110270T ES93110270T ES2128368T3 ES 2128368 T3 ES2128368 T3 ES 2128368T3 ES 93110270 T ES93110270 T ES 93110270T ES 93110270 T ES93110270 T ES 93110270T ES 2128368 T3 ES2128368 T3 ES 2128368T3
Authority
ES
Spain
Prior art keywords
poor
gel
procedure
spinning solutions
highly concentrated
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 - Lifetime
Application number
ES93110270T
Other languages
English (en)
Inventor
Bernd Dipl-Ing Klinksiek
Rolf-Volker Dr Meyer
Beatrix Dr Frauendorf
Klaus Dr Rall
Wolfgang Dipl-Ing Backer
Hans-Joachim Dr Wollweber
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
Application granted granted Critical
Publication of ES2128368T3 publication Critical patent/ES2128368T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
    • 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
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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
    • B01F25/312—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
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • 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
    • B01F25/40—Static mixers
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • 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
    • B01F25/40—Static mixers
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • B01F25/45211—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube the elements being cylinders or cones which obstruct the whole diameter of the tube, the flow changing from axial in radial and again in axial

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

EL OBJETO DE LA INVENCION ES UN PROCEDIMIENTO PARA PRODUCIR SOLUCIONES DE HILADO, POBRES DE GEL ESTABLES SORPRENDENTEMENTE EN ESTADO VISCOSO EN LA SOLUCION DE ELASTOMEROS-POLIURETANO/UREA SEGMENTADOS, EN DISOLVENTES MUY POLARES COMO DIMETILFORMAMIDA O DIMETILACETAMIDA, SE CARACTERIZA A TRAVES DE LA APLICACION DE UN DISPOSITIVO-REACTOR TOBERA DE VARIAS ETAPAS Y UN REACTOR TOBERA MULTIETAPA.
ES93110270T 1992-07-10 1993-06-28 Procedimiento para la obtencion de disoluciones de hilatura de elastano de viscosidad estable, pobres en gel, altamente concentradas. Expired - Lifetime ES2128368T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4222772A DE4222772A1 (de) 1992-07-10 1992-07-10 Verfahren zur Herstellung von viskositätsstabilen, gelarmen hochkonzentrierten Elastan-Spinnlösungen

Publications (1)

Publication Number Publication Date
ES2128368T3 true ES2128368T3 (es) 1999-05-16

Family

ID=6462964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93110270T Expired - Lifetime ES2128368T3 (es) 1992-07-10 1993-06-28 Procedimiento para la obtencion de disoluciones de hilatura de elastano de viscosidad estable, pobres en gel, altamente concentradas.

Country Status (4)

Country Link
US (1) US5302660A (es)
EP (1) EP0579979B1 (es)
DE (2) DE4222772A1 (es)
ES (1) ES2128368T3 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330725A1 (de) 1993-09-10 1995-03-16 Bayer Ag Verfahren zur Herstellung von Elastanfasern durch Einspinnen einer Kombination von PDMS und ethoxyliertem PDMS
DE4446339C1 (de) * 1994-12-23 1996-05-02 Bayer Faser Gmbh Verfahren zur Einstellung der Viskosität von hochkonzentrierten Elastanlösungen für das Trockenspinnen oder Naßspinnen von Elastanfasern und nach dem Verfahren erhältliche Elastanspinnlösung
DE19504316C1 (de) * 1995-02-10 1996-08-01 Bayer Faser Gmbh Verfahren zur Herstellung von mehrfädigen, naßgesponnenen Elastanfäden
US6171537B1 (en) 1995-10-16 2001-01-09 E.I. Du Pont De Nemours And Company Preparation of poly (urethaneurea) fibers
AUPO489297A0 (en) * 1997-01-31 1997-02-27 Aunty Abha's Electronic Publishing Pty Ltd A system for electronic publishing
US7293228B1 (en) 1997-01-31 2007-11-06 Timebase Pty Limited Maltweb multi-axis viewing interface and higher level scoping
EP0964880B1 (en) * 1997-03-05 2001-08-29 Du Pont-Toray Company, Ltd. Stable polyurethaneurea solutions
US6225435B1 (en) 1997-03-05 2001-05-01 Dupont Toray Co. Ltd. Stable polyurethaneurea solutions
DE19805104A1 (de) 1998-02-09 1999-08-12 Bayer Ag Beschichtungsmittel für Fasern
DE19829164A1 (de) 1998-06-30 2000-03-30 Bayer Faser Gmbh Elastanfäden und Verfahren zu ihrer Herstellung
DE19907830A1 (de) 1999-02-24 2000-08-31 Bayer Ag Verfahren und Vorrichtung zur Herstellung von Elastanfäden aus Recyclingmaterial
US6433218B1 (en) * 1999-11-30 2002-08-13 Bayer Corporation Stable isocyanate formulations
US20030041305A1 (en) * 2001-07-18 2003-02-27 Christoph Schnelle Resilient data links
US7363310B2 (en) 2001-09-04 2008-04-22 Timebase Pty Limited Mapping of data from XML to SQL
US7281206B2 (en) * 2001-11-16 2007-10-09 Timebase Pty Limited Maintenance of a markup language document in a database
AU2003259972A1 (en) * 2002-08-20 2004-03-11 Roof Matrix, Inc. Non-toxic hydrophobic elastomeric polymer chemistry system for wood preservation
US12329185B2 (en) * 2014-10-23 2025-06-17 Formtec, Llc. System and method for creating cavitation and/or flash
FR3031099B1 (fr) * 2014-12-24 2019-08-30 Veolia Water Solutions & Technologies Support Buse optimisee d'injection d'eau pressurisee contenant un gaz dissous.
KR101956332B1 (ko) * 2017-07-27 2019-03-08 주식회사 나노텍세라믹스 폴리우레탄우레아 탄성섬유 제조용 첨가제 슬러리
IT202000016327A1 (it) * 2020-07-06 2022-01-06 Omitaly Srl Dispositivo generatore di micro e nano bolle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UST864005I4 (en) * 1968-11-20 1969-07-15 Method and apparatus for continuously producing spinnino dopes of spandex polymers
US4526907A (en) * 1983-05-07 1985-07-02 Basf Aktiengesellschaft Process and device for the preparation of a reaction mixture of at least two components for the production of foams
DE3916465A1 (de) * 1989-05-20 1990-11-22 Bayer Ag Herstellung kugelfoermiger dispersionen durch kristallisation von emulsionen

Also Published As

Publication number Publication date
EP0579979A2 (de) 1994-01-26
DE59309471D1 (de) 1999-04-29
DE4222772A1 (de) 1994-01-13
US5302660A (en) 1994-04-12
EP0579979A3 (de) 1994-11-30
EP0579979B1 (de) 1999-03-24

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