ES8608331A1 - Procedimiento mejorado para la obtencion de microcapsulas a base de poliisocianato compuestos h-activos. - Google Patents

Procedimiento mejorado para la obtencion de microcapsulas a base de poliisocianato compuestos h-activos.

Info

Publication number
ES8608331A1
ES8608331A1 ES544077A ES544077A ES8608331A1 ES 8608331 A1 ES8608331 A1 ES 8608331A1 ES 544077 A ES544077 A ES 544077A ES 544077 A ES544077 A ES 544077A ES 8608331 A1 ES8608331 A1 ES 8608331A1
Authority
ES
Spain
Prior art keywords
microcapsules
dispersions
continuous preparation
continuously
polyisocyanate
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
ES544077A
Other languages
English (en)
Other versions
ES544077A0 (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 ES544077A0 publication Critical patent/ES544077A0/es
Publication of ES8608331A1 publication Critical patent/ES8608331A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

PROCEDIMIENTO MODIFICADO Y DISPOSITIVO PARA FABRICAR MICROCAPSULAS DE POLIISOCIANATO Y COMPUESTOS H-ACTIVOS. COMPRENDE: A) EMULSIONAR UN POLIISOCIANATO, PROCEDENTE DEL RECIPIENTE (1) Y DOSIFICADO POR LA VALVULA (5A), Y UN DISOLVENTE ORGANICO INERTE, PROCEDENTE DEL RECIPIENTE (2) Y DOSIFICADO POR LA VALVULA (5B), EN UN EMULSIONADOR ESTATICO (6) DE ALTA TURBULENCIA; B) EMULSIONAR EL PRODUCTO DE A) CON UNA FASE ACUOSA PROCEDENTE DEL RECIPIENTE (3) Y DOSIFICADA POR LA VALVULA (5C), EN UN APARATO DE ELEVADO GRADIENTE DE CIZALLAMIENTO; Y C) AGREGAR AL RESULTADO DE B) UNA POLIAMIDA, QUE SE POLIADICIONA EN LA SUPERFICIE LIMITE CON EL POLIISOCIANATO EN EL RECIPIENTE (8). SE UTILIZA PARA FABRICAR PAPEL DE CALCO LIBRE DE CARBON.
ES544077A 1984-06-13 1985-06-12 Procedimiento mejorado para la obtencion de microcapsulas a base de poliisocianato compuestos h-activos. Expired ES8608331A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843421865 DE3421865A1 (de) 1984-06-13 1984-06-13 Kontinuierliche herstellung von mikrokapseldispersionen

Publications (2)

Publication Number Publication Date
ES544077A0 ES544077A0 (es) 1986-06-16
ES8608331A1 true ES8608331A1 (es) 1986-06-16

Family

ID=6238221

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544077A Expired ES8608331A1 (es) 1984-06-13 1985-06-12 Procedimiento mejorado para la obtencion de microcapsulas a base de poliisocianato compuestos h-activos.

Country Status (8)

Country Link
US (1) US4668580A (es)
EP (1) EP0164666B1 (es)
JP (1) JPH0628722B2 (es)
DE (2) DE3421865A1 (es)
DK (1) DK162580C (es)
ES (1) ES8608331A1 (es)
FI (1) FI83334C (es)
IL (1) IL75466A (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635821A1 (de) * 1986-10-22 1988-04-28 Bayer Ag Mikrokapseln mit verbesserten waenden
US5225118A (en) * 1990-08-15 1993-07-06 Boise Cascade Corporation Process for manufacturing polyurea microcapsules and product therefrom
US5221710A (en) * 1991-03-28 1993-06-22 Miles Inc. Process for preparing and optionally chain extending aqueous polyisocyanate dispersions using static mixers
US5191012A (en) * 1991-03-28 1993-03-02 Miles Inc. Aqueous dispersions of encapsulated polyisocyanates
JP2684473B2 (ja) * 1991-09-02 1997-12-03 富士写真フイルム株式会社 マイクロカプセルの連続的製造方法
US5264315A (en) * 1992-04-20 1993-11-23 Xerox Corporation Process for the continuous preparation of encapsulated toner
JP3306095B2 (ja) * 1992-05-25 2002-07-24 富士写真フイルム株式会社 マイクロカプセルの製造方法
AU684324B2 (en) * 1993-11-19 1997-12-11 Alkermes Controlled Therapeutics Inc. Ii Preparation of biodegradable microparticles containing a biologically active agent
FR2723032B1 (fr) 1994-07-26 1996-11-22 Copigraph Sa Nouveau solvant organique pour microcapsules utiles notamment pour la realisation de papier autocopiant sensible a la pression et papier sensible a lapression revetu de telles microcapsules
FR2727633A1 (fr) 1994-12-02 1996-06-07 Copigraph Microcapsules contenant a titre de solvant un derive terpenique ou d'acide abietique et papiers sensibles a la pression revetus de ces microcapsules
DE19646110A1 (de) * 1996-11-08 1998-05-14 Bayer Ag Mikrokapseln unter Verwendung von Iminooxadiazindion-Polyisocyanaten
US5945126A (en) * 1997-02-13 1999-08-31 Oakwood Laboratories L.L.C. Continuous microsphere process
JP4467789B2 (ja) 1997-09-18 2010-05-26 パシラ ファーマシューティカルズ インコーポレーテッド 持続放出性リポソーム麻酔組成物
IL135989A0 (en) 1997-11-14 2001-05-20 Skyepharma Inc Processes for the production of multivesicular liposomes
US6270802B1 (en) 1998-10-28 2001-08-07 Oakwood Laboratories L.L.C. Method and apparatus for formulating microspheres and microcapsules
GB0009735D0 (en) * 2000-04-19 2000-06-07 Zeneca Ltd Formulation
DE10051190A1 (de) 2000-10-16 2002-04-25 Bayer Ag Mikrokapseln mit Wänden aus Polyharnstoff
DE60219987T2 (de) * 2001-03-28 2007-09-06 Fujifilm Corp. In-line Mischvorrichtung, Verfahren zum Vermischen reaktiver chemischer Lösungen und Verfahren zur Herstellung von Mikrokapseln
DE10241000A1 (de) * 2001-09-10 2003-03-27 Bayer Ag Mikrokapsel-haltige Vliese
BR0317278A (pt) * 2002-12-13 2005-11-08 Monsato Technology Llc Microcápsulas com taxas de liberação ajustadas de amina
CA2749993C (en) * 2009-01-23 2016-12-20 Surmodics Pharmaceuticals, Inc. Continuous double emulsion process for making microparticles
BRPI1011542B1 (pt) 2009-02-13 2020-12-01 Monsanto Technology Llc herbicida de acetamida microencapsulada particulada e mistura aquosa o compreendendo, bem como método para controlar ervas daninhas em um campo de plantas de colheita
US9271905B2 (en) 2010-06-11 2016-03-01 Firmenich S.A. Process for preparing polyurea microcapsules
EP2605646B1 (en) 2010-08-18 2016-07-20 Monsanto Technology LLC Early applications of encapsulated acetamides for reduced injury in crops
JP2012116832A (ja) * 2010-11-11 2012-06-21 Sumitomo Chemical Co Ltd 有害生物防除成分を含有する分散液の製造方法及びマイクロカプセルの製造方法
CA2937505C (en) 2014-01-27 2023-02-14 Monsanto Technology Llc Aqueous herbicidal concentrates comprising an acetanilide herbicide, a protoporphyrinogen oxidase inhibitor, and a pseudoplastic thickener
BR112019025526B1 (pt) 2017-06-13 2023-10-03 Monsanto Technology Llc Microcápsula herbicida, seu processo de preparação, composição herbicida aquosa, e métodos para controlar ervas daninhas
WO2020160223A1 (en) 2019-01-30 2020-08-06 Monsanto Technology Llc Microencapsulated acetamide herbicides
US11033495B1 (en) 2021-01-22 2021-06-15 Pacira Pharmaceuticals, Inc. Manufacturing of bupivacaine multivesicular liposomes
US11278494B1 (en) 2021-01-22 2022-03-22 Pacira Pharmaceuticals, Inc. Manufacturing of bupivacaine multivesicular liposomes
US11357727B1 (en) 2021-01-22 2022-06-14 Pacira Pharmaceuticals, Inc. Manufacturing of bupivacaine multivesicular liposomes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH453305A (fr) * 1963-10-21 1968-06-14 Pilot Pen Co Ltd Procédé pour encapsuler de fines gouttelettes de liquides dispersées
US3886085A (en) * 1971-08-31 1975-05-27 Fuji Photo Film Co Ltd Process for producing fine oil-containing microcapsules having strong protective shells and microcapsules produced thereby
DE2655048A1 (de) * 1976-12-04 1978-06-08 Bayer Ag Mikroverkapselung mit modifizierten aliphatischen polyisocyanaten
FR2413123A1 (fr) * 1977-12-30 1979-07-27 Philagro Sa Procede d'encapsulation par polycondensation interfaciale
US4275905A (en) * 1978-12-29 1981-06-30 Appleton Papers Inc. Pressure-sensitive record material
DE2909906A1 (de) * 1979-03-14 1980-10-02 Bayer Ag Verfahren zur kontinuierlichen herstellung von mikrokapseln
DE2930408A1 (de) * 1979-07-26 1981-02-12 Bayer Ag Reaktionsdurchschreibepapier
JPS56108529A (en) * 1980-01-31 1981-08-28 Kanzaki Paper Mfg Co Ltd Method for continuous preparation of microcapsule
JPS583898A (ja) * 1981-06-30 1983-01-10 Kanzaki Paper Mfg Co Ltd 感圧複写紙用マイクロカプセルの製造方法
JPS58100856A (ja) * 1981-12-11 1983-06-15 Fuji Photo Film Co Ltd カプセルトナ−の製造方法

Also Published As

Publication number Publication date
IL75466A0 (en) 1985-10-31
ES544077A0 (es) 1986-06-16
FI83334B (fi) 1991-03-15
FI852317A0 (fi) 1985-06-11
DK162580C (da) 1992-04-06
FI852317L (fi) 1985-12-14
IL75466A (en) 1988-05-31
JPS6121728A (ja) 1986-01-30
US4668580A (en) 1987-05-26
EP0164666A2 (de) 1985-12-18
JPH0628722B2 (ja) 1994-04-20
DK265085A (da) 1985-12-14
EP0164666B1 (de) 1988-11-23
EP0164666A3 (en) 1986-05-07
DE3421865A1 (de) 1985-12-19
DE3566358D1 (en) 1988-12-29
DK162580B (da) 1991-11-18
DK265085D0 (da) 1985-06-12
FI83334C (fi) 1991-06-25

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041102