CA1104881A - Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby - Google Patents

Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby

Info

Publication number
CA1104881A
CA1104881A CA302,327A CA302327A CA1104881A CA 1104881 A CA1104881 A CA 1104881A CA 302327 A CA302327 A CA 302327A CA 1104881 A CA1104881 A CA 1104881A
Authority
CA
Canada
Prior art keywords
microcapsules
capsule wall
aqueous dispersion
aldehyde
condensation polymer
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
CA302,327A
Other languages
English (en)
French (fr)
Inventor
Yu-Sun Lee
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.)
Mead Corp
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Application granted granted Critical
Publication of CA1104881A publication Critical patent/CA1104881A/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
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
CA302,327A 1977-06-24 1978-05-01 Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby Expired CA1104881A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80952177A 1977-06-24 1977-06-24
US809,521 1977-06-24

Publications (1)

Publication Number Publication Date
CA1104881A true CA1104881A (en) 1981-07-14

Family

ID=25201522

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302,327A Expired CA1104881A (en) 1977-06-24 1978-05-01 Process for producing microcapsules having secondary capsule walls and microcapsules produced thereby

Country Status (4)

Country Link
JP (1) JPS5417377A (de)
CA (1) CA1104881A (de)
DE (1) DE2826939A1 (de)
GB (1) GB1603448A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5346931A (en) * 1991-02-09 1994-09-13 Basf Aktiengesellschaft Color former preparations
US9056948B2 (en) 2010-03-12 2015-06-16 Follmann & Co. Gesellschaft Fuer Chemie-Werkstoffe Und Verfahrenstechnik Mbh & Co. Kg Microcapsules and production thereof
CN113453794A (zh) * 2018-12-18 2021-09-28 国际香料和香精公司 羟乙基纤维素微胶囊

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044113A1 (de) 1980-11-24 1982-07-15 Basf Ag, 6700 Ludwigshafen Mikrokapseln enthaltende wachsmassen
PT78129B (en) * 1983-08-18 1986-05-19 Moore Business Forms Inc Microcapsules with reduced permeability
JPS60149489A (ja) * 1984-01-17 1985-08-06 Kureha Chem Ind Co Ltd 部分感圧紙
US4601863A (en) * 1984-02-09 1986-07-22 Kanzaki Paper Manufacturing Co., Ltd. Process for producing powder of microcapsules
DE19852928C1 (de) * 1998-11-17 2000-08-03 Steffen Panzner Strukturen in Form von Hohlkugeln
DE102009012455A1 (de) * 2009-03-12 2010-09-23 Follmann & Co. Gesellschaft Für Chemie-Werkstoffe Und -Verfahrenstechnik Mbh & Co. Kg Verbesserte Mikrokapseln und ihre Herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5030030A (de) * 1973-07-19 1975-03-26
CA1040018A (en) * 1974-06-19 1978-10-10 Dale R. Shackle Cross-linked hydroxypropylcellulose microcapsules and process for making

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5346931A (en) * 1991-02-09 1994-09-13 Basf Aktiengesellschaft Color former preparations
US9056948B2 (en) 2010-03-12 2015-06-16 Follmann & Co. Gesellschaft Fuer Chemie-Werkstoffe Und Verfahrenstechnik Mbh & Co. Kg Microcapsules and production thereof
CN113453794A (zh) * 2018-12-18 2021-09-28 国际香料和香精公司 羟乙基纤维素微胶囊
CN113453794B (zh) * 2018-12-18 2023-06-27 国际香料和香精公司 羟乙基纤维素微胶囊

Also Published As

Publication number Publication date
GB1603448A (en) 1981-11-25
JPS5417377A (en) 1979-02-08
DE2826939A1 (de) 1979-01-18

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Legal Events

Date Code Title Description
MKEX Expiry