CA1052195A - Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate - Google Patents

Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate

Info

Publication number
CA1052195A
CA1052195A CA230,762A CA230762A CA1052195A CA 1052195 A CA1052195 A CA 1052195A CA 230762 A CA230762 A CA 230762A CA 1052195 A CA1052195 A CA 1052195A
Authority
CA
Canada
Prior art keywords
continuous phase
set forth
phase
microcapsules
solution
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
CA230,762A
Other languages
English (en)
French (fr)
Inventor
George E. Maalouf
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.)
Moore Business Forms Inc
Original Assignee
Moore Business Forms Inc
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 Moore Business Forms Inc filed Critical Moore Business Forms Inc
Application granted granted Critical
Publication of CA1052195A publication Critical patent/CA1052195A/en
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
    • B01J13/18—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Color Printing (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
CA230,762A 1974-09-12 1975-07-04 Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate Expired CA1052195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50541574A 1974-09-12 1974-09-12

Publications (1)

Publication Number Publication Date
CA1052195A true CA1052195A (en) 1979-04-10

Family

ID=24010214

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,762A Expired CA1052195A (en) 1974-09-12 1975-07-04 Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate

Country Status (11)

Country Link
JP (1) JPS5413874B2 (de)
AU (1) AU502339B2 (de)
BE (1) BE832897A (de)
CA (1) CA1052195A (de)
CH (1) CH615363A5 (de)
DE (1) DE2537238C2 (de)
FR (1) FR2284366A1 (de)
GB (1) GB1502440A (de)
IT (1) IT1047055B (de)
NL (1) NL7510799A (de)
ZA (1) ZA754567B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547139A (en) * 1978-09-30 1980-04-03 Mitsubishi Paper Mills Ltd Improved small capsule
NZ196601A (en) 1980-04-08 1982-12-21 Wiggins Teape Group Ltd Production of microcapsules
JPS56144739A (en) * 1980-04-10 1981-11-11 Mitsubishi Paper Mills Ltd Preparation of microcapsule
US4601863A (en) * 1984-02-09 1986-07-22 Kanzaki Paper Manufacturing Co., Ltd. Process for producing powder of microcapsules
JPS60237864A (ja) * 1984-05-08 1985-11-26 Mitsubishi Electric Corp 高電圧サイリスタ変換装置
ATE235960T1 (de) * 2000-01-13 2003-04-15 Kureha Chemical Ind Co Ltd Mikrokapsel und sein herstellungsverfahren
EP1658131B1 (de) * 2003-08-26 2016-09-21 Devan-Micropolis SA Doppel-gehüllte mikrokapseln, die eine aussere hülle aus thermoplastischem material besitzen, und ihre verwendung

Family Cites Families (3)

* 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
DE2323243C3 (de) * 1973-05-09 1980-02-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Herstellung einer verschleißfesten Hartmetallschicht auf einem Metallgegenstand, insbesondere auf der Schneide eines Stahl-Sägeblattes
JPS5813212B2 (ja) * 1973-07-17 1983-03-12 富士写真フイルム株式会社 マイクロカプセル ノ セイゾウホウ

Also Published As

Publication number Publication date
CH615363A5 (en) 1980-01-31
DE2537238C2 (de) 1984-11-08
JPS5413874B2 (de) 1979-06-02
BE832897A (fr) 1975-12-16
ZA754567B (en) 1976-06-30
JPS5147578A (de) 1976-04-23
AU502339B2 (en) 1979-07-19
DE2537238A1 (de) 1976-03-25
FR2284366A1 (fr) 1976-04-09
GB1502440A (en) 1978-03-01
NL7510799A (nl) 1976-03-16
FR2284366B1 (de) 1983-04-22
AU8296175A (en) 1977-01-13
IT1047055B (it) 1980-09-10

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