EP0579979A3 - Verfahren zur Herstellung von viskositätstabilen, gelarmen hochkonzentrierten Elastan-Spinnlösungen. - Google Patents

Verfahren zur Herstellung von viskositätstabilen, gelarmen hochkonzentrierten Elastan-Spinnlösungen. Download PDF

Info

Publication number: EP0579979A3
Authority: EP; European Patent Office
Prior art keywords: production; gel content; polymer spinning; spinning solutions; low gel
Prior art date: 1992-07-10
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

EP9393110270A

Other languages

English (en)

French (fr)

Other versions

EP0579979B1 (de

EP0579979A2 (de

Inventor

Bernd Dipl-Ing Klinksiek

Rolf-Volker Dr Meyer

Beatrix Dr Frauendorf

Klaus Dr Rall

Wolfgang Dipl-Ing Baecker

Hans-Joachim Dr Wollweber

Helmut Dr Ohse

Wolfram Dr Wagner

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.)

1992-07-10

Filing date

1993-06-28

Publication date

1994-11-30

1993-06-28 Application filed by Bayer AG filed Critical Bayer AG

1994-01-26 Publication of EP0579979A2 publication Critical patent/EP0579979A2/de

1994-11-30 Publication of EP0579979A3 publication Critical patent/EP0579979A3/de

1999-03-24 Application granted granted Critical

1999-03-24 Publication of EP0579979B1 publication Critical patent/EP0579979B1/de

2013-06-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229920002334 Spandex Polymers 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
229920000642 polymer Polymers 0.000 title 1
239000004759 spandex Substances 0.000 title 1
238000009987 spinning Methods 0.000 title 1

Classifications

- 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
- 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
- B01F25/40—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)

EP93110270A 1992-07-10 1993-06-28 Verfahren zur Herstellung von viskositätstabilen, gelarmen hochkonzentrierten Elastan-Spinnlösungen Expired - Lifetime EP0579979B1 (de)

Applications Claiming Priority (2)

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
DE4222772		1992-07-10

Publications (3)

Publication Number	Publication Date
EP0579979A2 EP0579979A2 (de)	1994-01-26
EP0579979A3 true EP0579979A3 (de)	1994-11-30
EP0579979B1 EP0579979B1 (de)	1999-03-24

Family

ID=6462964

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP93110270A Expired - Lifetime EP0579979B1 (de)	1992-07-10	1993-06-28	Verfahren zur Herstellung von viskositätstabilen, gelarmen hochkonzentrierten Elastan-Spinnlösungen

Country Status (4)

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

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
US7293228B1 (en) *	1997-01-31	2007-11-06	Timebase Pty Limited	Maltweb multi-axis viewing interface and higher level scoping
AUPO489297A0 (en) *	1997-01-31	1997-02-27	Aunty Abha's Electronic Publishing Pty Ltd	A system for electronic publishing
US6225435B1 (en)	1997-03-05	2001-05-01	Dupont Toray Co. Ltd.	Stable polyurethaneurea solutions
BR9815438A (pt) *	1997-03-05	2001-09-25	Du Pont Toray Co Ltd	Solução de viscosidade estável e spandex fiado a seco
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
ATE547218T1 (de)	2002-08-20	2012-03-15	Roof Matrix Inc	Nichttoxisches, hydrophobes, elastomeres polymerchemiesystem für die holzkonservierung
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

Citations (2)

* 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
EP0399266A2 (de) *	1989-05-20	1990-11-28	Bayer Ag	Herstellung kugelförmiger Dispersionen durch Kristallisation von Emulsionen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1224310A (en) *	1983-05-07	1987-07-21	Heino Thiele	Process and device for the preparation of a reaction mixture of at least two components for the production of foams

1992
- 1992-07-10 DE DE4222772A patent/DE4222772A1/de not_active Withdrawn
1993
- 1993-06-28 EP EP93110270A patent/EP0579979B1/de not_active Expired - Lifetime
- 1993-06-28 DE DE59309471T patent/DE59309471D1/de not_active Expired - Fee Related
- 1993-06-28 ES ES93110270T patent/ES2128368T3/es not_active Expired - Lifetime
- 1993-07-07 US US08/087,978 patent/US5302660A/en not_active Expired - Fee Related

Patent Citations (2)

* 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
EP0399266A2 (de) *	1989-05-20	1990-11-28	Bayer Ag	Herstellung kugelförmiger Dispersionen durch Kristallisation von Emulsionen

Also Published As

Publication number	Publication date
EP0579979B1 (de)	1999-03-24
EP0579979A2 (de)	1994-01-26
US5302660A (en)	1994-04-12
ES2128368T3 (es)	1999-05-16
DE59309471D1 (de)	1999-04-29
DE4222772A1 (de)	1994-01-13

Legal Events

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1998-08-25	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
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