GB2073697B - Process for producing microcapsules having two-layer walls - Google Patents

Process for producing microcapsules having two-layer walls

Info

Publication number
GB2073697B
GB2073697B GB8107674A GB8107674A GB2073697B GB 2073697 B GB2073697 B GB 2073697B GB 8107674 A GB8107674 A GB 8107674A GB 8107674 A GB8107674 A GB 8107674A GB 2073697 B GB2073697 B GB 2073697B
Authority
GB
United Kingdom
Prior art keywords
producing microcapsules
layer walls
walls
layer
microcapsules
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
GB8107674A
Other languages
English (en)
Other versions
GB2073697A (en
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills Ltd
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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Publication of GB2073697A publication Critical patent/GB2073697A/en
Application granted granted Critical
Publication of GB2073697B publication Critical patent/GB2073697B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • B01J13/22—Coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Color Printing (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
GB8107674A 1980-04-10 1981-03-11 Process for producing microcapsules having two-layer walls Expired GB2073697B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4715780A JPS56144739A (en) 1980-04-10 1980-04-10 Preparation of microcapsule

Publications (2)

Publication Number Publication Date
GB2073697A GB2073697A (en) 1981-10-21
GB2073697B true GB2073697B (en) 1984-01-11

Family

ID=12767244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107674A Expired GB2073697B (en) 1980-04-10 1981-03-11 Process for producing microcapsules having two-layer walls

Country Status (3)

Country Link
JP (1) JPS56144739A (ja)
DE (1) DE3110281A1 (ja)
GB (1) GB2073697B (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610927A (en) * 1983-09-14 1986-09-09 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsules containing a hydrophobic, volatile core substance and their production
US4601863A (en) * 1984-02-09 1986-07-22 Kanzaki Paper Manufacturing Co., Ltd. Process for producing powder of microcapsules
JPS62121641A (ja) * 1985-11-08 1987-06-02 ザ・スタンダ−ド・レジスタ−・カンパニ− 化学複写コ−テイング
JPS62277146A (ja) * 1986-05-26 1987-12-02 Fuji Photo Film Co Ltd マイクロカプセルの製造方法
FR2610537A1 (fr) * 1987-02-11 1988-08-12 Rhone Poulenc Chimie Procede ameliore de microencapsulation par polyaddition interfaciale
EP0341648A3 (de) * 1988-05-11 1990-10-17 Drescher Geschäftsdrucke Gmbh Mikrokapseln und Verfahren zu ihrer Herstellung
KR900014029A (ko) * 1989-03-15 1990-10-22 로레인 제이. 프란시스 아민-포름알데하이드 마이크로캡슐의 제조방법 및 이에 의해 제조된 감광성 마이크로캡슐
FR2698561B1 (fr) * 1992-11-27 1995-02-17 Flamel Tech Sa Microcapsules contenant au moins un principe actif, application de ces microcapsules dans des systèmes de libération instantanée de principes actifs, et procédé de pelliculage utile pour préparer lesdites microcapsules.
ES2195979T3 (es) * 2000-01-13 2003-12-16 Kureha Chemical Ind Co Ltd Microcapsulas de nucleo particulado con una capa de revestimiento laminar estable y procedimiento para su preparacion.
US7718572B2 (en) * 2000-06-12 2010-05-18 Kureha Corporation Microcapsule suspension liquid and process for production thereof
CA2311192A1 (en) * 2000-06-12 2001-12-12 Harald D. H. Stover Encapsulation process using isocyanate moieties
JP2005528200A (ja) * 2002-05-31 2005-09-22 マクマスター・ユニバーシテイ ポリウレアカプセル中に疎水性有機分子をカプセル化する方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128589A (en) * 1974-09-04 1976-03-10 Matsushita Electric Ind Co Ltd Denbahatsukokeikotainoseizohoho
CA1052195A (en) * 1974-09-12 1979-04-10 Moore Business Forms Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate
DE2655048A1 (de) * 1976-12-04 1978-06-08 Bayer Ag Mikroverkapselung mit modifizierten aliphatischen polyisocyanaten

Also Published As

Publication number Publication date
JPS56144739A (en) 1981-11-11
DE3110281C2 (ja) 1989-07-13
DE3110281A1 (de) 1982-03-25
JPH0142740B2 (ja) 1989-09-14
GB2073697A (en) 1981-10-21

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Legal Events

Date Code Title Description
711A Proceeding under section 117(1) patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950311