HK44191A - Process for the micro-encapsulation of hydrophobic oils, the microcapsules and their use - Google Patents

Process for the micro-encapsulation of hydrophobic oils, the microcapsules and their use Download PDF

Info

Publication number
HK44191A
HK44191A HK441/91A HK44191A HK44191A HK 44191 A HK44191 A HK 44191A HK 441/91 A HK441/91 A HK 441/91A HK 44191 A HK44191 A HK 44191A HK 44191 A HK44191 A HK 44191A
Authority
HK
Hong Kong
Prior art keywords
melamine
water
formaldehyde precondensate
methyl
process according
Prior art date
Application number
HK441/91A
Other languages
German (de)
English (en)
French (fr)
Inventor
Guenther Pietsch
Karl-Heinz Schrader
Original Assignee
Papierfabrik August Koehler 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 Papierfabrik August Koehler Ag filed Critical Papierfabrik August Koehler Ag
Publication of HK44191A publication Critical patent/HK44191A/xx

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
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase
    • 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
    • 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)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Fats And Perfumes (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Steroid Compounds (AREA)
HK441/91A 1987-03-24 1991-06-06 Process for the micro-encapsulation of hydrophobic oils, the microcapsules and their use HK44191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3709586A DE3709586C1 (de) 1987-03-24 1987-03-24 Verfahren zur Mikroverkapselung von hydrophoben OElen,die danach erhaeltlichen Mikrokapseln und deren Verwendung

Publications (1)

Publication Number Publication Date
HK44191A true HK44191A (en) 1991-06-14

Family

ID=6323833

Family Applications (1)

Application Number Title Priority Date Filing Date
HK441/91A HK44191A (en) 1987-03-24 1991-06-06 Process for the micro-encapsulation of hydrophobic oils, the microcapsules and their use

Country Status (13)

Country Link
US (1) US4965025A (cs)
EP (1) EP0283711B1 (cs)
JP (1) JPS63256127A (cs)
AT (1) ATE54839T1 (cs)
AU (1) AU591036B2 (cs)
BR (1) BR8801228A (cs)
DE (2) DE3709586C1 (cs)
ES (1) ES2016393B3 (cs)
GR (1) GR3001030T3 (cs)
HK (1) HK44191A (cs)
IL (1) IL85621A (cs)
PT (1) PT87015B (cs)
SG (1) SG91990G (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5089339A (en) * 1984-12-24 1992-02-18 Pietsch Guenter Aminoplast microencapsulation system
ES2017536T5 (es) * 1987-12-21 1995-08-01 Koehler August Papierfab Procedimiento para la fabricacion de microcapsulas, microcapsulas obtenidas y su utilizacion.
US5204185A (en) * 1990-12-11 1993-04-20 The Standard Register Company Microencapsulation process using melamine-formaldehyde and microcapsules produced thereby
JPH07179946A (ja) * 1993-12-24 1995-07-18 Kawasaki Steel Corp 耐二次加工ぜい性に優れる高加工性高張力冷延鋼板の製造方法
SI9400362A (en) * 1994-09-19 1996-04-30 Aero Procedure for the preparation of the carriers that are impregnated or coated with microcapsulated aromatic substances
JP3508120B2 (ja) * 1997-11-25 2004-03-22 日本製紙株式会社 感圧記録用マイクロカプセル分散液及びその製造方法
BR0111465B1 (pt) * 2000-06-03 2012-12-11 microcápsula, processo modificado para o encapsulamento de um material disperso dentro de uma casca permeável sólida de uma resina polimérica, produto da reação, e, método para a modificação da mobilidade do solo de um produto agroquìmico.
WO2013092375A1 (en) * 2011-12-22 2013-06-27 Firmenich Sa Process for preparing polyurea microcapsules

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH540715A (de) * 1970-05-26 1973-10-15 Ciba Geigy Ag Verfahren zur Einkapselung von in einer Flüssigkeit fein verteilter Substanz
US4396670A (en) * 1980-04-08 1983-08-02 The Wiggins Teape Group Limited Process for the production of microcapsules
BR8105304A (pt) * 1980-08-20 1982-05-04 Kureha Chemical Ind Co Ltd Microcapsula que encerra uma solucao formadora de cor para pael de registro sensivel a pressao e processo para sua preparacao
US4525520A (en) * 1983-03-28 1985-06-25 Kanzaki Paper Manufacturing Company, Ltd. Method of preparing microcapsules
ATE38337T1 (de) * 1984-12-24 1988-11-15 Koehler August Papierfab Verfahren zur mikroverkapselung von oelen mit darin geloesten farbreaktionspartnern, danach hergestellte mikrokapseln und deren verwendung in farbreaktionsaufzeichnungssystemen.
DE3545803C2 (de) * 1984-12-24 1991-02-14 Papierfabrik August Koehler AG, 7602 Oberkirch Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern, danach hergestellte Mikrokapseln und deren Verwendung in Farbreaktionsaufzeichnungssystemen

Also Published As

Publication number Publication date
IL85621A (en) 1992-03-29
US4965025A (en) 1990-10-23
IL85621A0 (en) 1988-08-31
ATE54839T1 (de) 1990-08-15
GR3001030T3 (en) 1992-01-20
ES2016393B3 (es) 1990-11-01
DE3709586C1 (de) 1988-07-14
EP0283711B1 (de) 1990-07-25
BR8801228A (pt) 1988-10-25
AU591036B2 (en) 1989-11-23
PT87015B (pt) 1990-11-20
JPS63256127A (ja) 1988-10-24
SG91990G (en) 1991-07-26
DE3860348D1 (de) 1990-08-30
PT87015A (pt) 1988-04-01
AU1269888A (en) 1988-09-22
EP0283711A1 (de) 1988-09-28
JPH0570497B2 (cs) 1993-10-05

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20080216