FR2375903A1 - Procede de fabrication de micro-capsules polymeriques - Google Patents

Procede de fabrication de micro-capsules polymeriques

Info

Publication number
FR2375903A1
FR2375903A1 FR7739744A FR7739744A FR2375903A1 FR 2375903 A1 FR2375903 A1 FR 2375903A1 FR 7739744 A FR7739744 A FR 7739744A FR 7739744 A FR7739744 A FR 7739744A FR 2375903 A1 FR2375903 A1 FR 2375903A1
Authority
FR
France
Prior art keywords
reaction
molecular weight
negatively charged
manufacturing polymeric
melamine
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.)
Granted
Application number
FR7739744A
Other languages
English (en)
Other versions
FR2375903B1 (fr
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.)
NCR Voyix Corp
Original Assignee
NCR 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 NCR Corp filed Critical NCR Corp
Publication of FR2375903A1 publication Critical patent/FR2375903A1/fr
Application granted granted Critical
Publication of FR2375903B1 publication Critical patent/FR2375903B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/14Polymerisation; cross-linking
    • B01J13/18In situ polymerisation with all reactants being present in the same phase
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
    • C08G12/32Melamines
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/914Transfer or decalcomania
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989Microcapsule with solid core [includes liposome]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

La présente invention a trait à un procédé de fabrication de micro-capsules polymériques, en masse, par une réaction de polymérisation in situ. La polymérisation comprend une réaction entre la mélamine et le formaldéhyde et/ou une polycondensation de méthylol mélamine monomère ou de méthylol mélamine éthérifiée, ou d'un polymère de faible poids moléculaire, dans un véhicule aqueux et la réaction est exécutée en présence d'un polyélectrolyte constitué par un hydrocarbure aliphatique linéaire, carboxyle-substitué, chargé négativement, dissous dans le véhicule. Une séparation des phases liquides est accomplie et maintenue par l'augmentation du poids moléculaire du polymère de condensation résultant. Le polyélectrolyte chargé négativement a apparemment pour effet de commander ou de modifier la réaction de polymérisation.
FR7739744A 1976-12-30 1977-12-30 Procede de fabrication de micro-capsules polymeriques Granted FR2375903A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/755,830 US4100103A (en) 1976-12-30 1976-12-30 Capsule manufacture

Publications (2)

Publication Number Publication Date
FR2375903A1 true FR2375903A1 (fr) 1978-07-28
FR2375903B1 FR2375903B1 (fr) 1981-12-24

Family

ID=25040818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739744A Granted FR2375903A1 (fr) 1976-12-30 1977-12-30 Procede de fabrication de micro-capsules polymeriques

Country Status (21)

Country Link
US (1) US4100103A (fr)
JP (1) JPS5935258B2 (fr)
AR (1) AR218281A1 (fr)
AT (1) AT361895B (fr)
AU (1) AU513160B2 (fr)
BE (1) BE862371A (fr)
BR (1) BR7708690A (fr)
CA (1) CA1108943A (fr)
CH (1) CH630269A5 (fr)
DE (1) DE2757528C2 (fr)
DK (1) DK584177A (fr)
ES (1) ES465482A1 (fr)
FR (1) FR2375903A1 (fr)
GB (1) GB1542058A (fr)
IT (1) IT1114947B (fr)
NL (1) NL172750C (fr)
NO (1) NO147980C (fr)
NZ (1) NZ185773A (fr)
SE (1) SE414583B (fr)
SU (1) SU965341A3 (fr)
ZA (1) ZA777103B (fr)

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FR2441417A1 (fr) * 1978-11-14 1980-06-13 Kanzaki Paper Mfg Co Ltd Procede de production de microcapsules
EP0397325A1 (fr) * 1989-04-12 1990-11-14 Jujo Paper Co., Ltd. Procédé de production de microcapsules
EP0443427A2 (fr) * 1990-02-19 1991-08-28 Honen Corporation Particules creuses de résine mélaminée réticulée, ayant un diamètre uniforme, et leur procédé de préparation
EP0443428A2 (fr) * 1990-02-19 1991-08-28 Honen Corporation Procédé pour la production de particules de résine mélamine rÀ©ticulée à diamètre de particules uniforme

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US3074845A (en) * 1959-10-14 1963-01-22 Plant Products Corp Particulate pesticidal composition coated with an amido-aldehyde resin polymerized in situ
NL134885C (fr) * 1961-03-13 1900-01-01
CH453305A (fr) * 1963-10-21 1968-06-14 Pilot Pen Co Ltd Procédé pour encapsuler de fines gouttelettes de liquides dispersées
US3418656A (en) * 1965-10-23 1968-12-24 Us Plywood Champ Papers Inc Microcapsules, process for their formation and transfer sheet record material coated therewith
US3607775A (en) * 1968-01-29 1971-09-21 Ncr Co Process for encapsulating minute particles by use of autogenously polymerizable capsule wall material
FR1571090A (fr) * 1968-08-05 1969-06-13
US3726803A (en) * 1970-02-16 1973-04-10 Ncr Capsule wall treating process utilizing condensation polymerization and capsule product
US4001140A (en) * 1974-07-10 1977-01-04 Ncr Corporation Capsule manufacture
DE2940786A1 (de) * 1979-10-08 1981-04-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von mikrokapseln

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441417A1 (fr) * 1978-11-14 1980-06-13 Kanzaki Paper Mfg Co Ltd Procede de production de microcapsules
EP0397325A1 (fr) * 1989-04-12 1990-11-14 Jujo Paper Co., Ltd. Procédé de production de microcapsules
EP0443427A2 (fr) * 1990-02-19 1991-08-28 Honen Corporation Particules creuses de résine mélaminée réticulée, ayant un diamètre uniforme, et leur procédé de préparation
EP0443428A2 (fr) * 1990-02-19 1991-08-28 Honen Corporation Procédé pour la production de particules de résine mélamine rÀ©ticulée à diamètre de particules uniforme
EP0443427A3 (en) * 1990-02-19 1992-02-26 Honen Corporation Hollow particles of crosslinked melamine resin having a uniform particles diameter and a process for producing the same
EP0443428A3 (en) * 1990-02-19 1992-03-18 Honen Corporation Process for producing particle of crosslinked melamine resin having a uniform particle diameter
US5246616A (en) * 1990-02-19 1993-09-21 Honen Corporation Process for producing particles of crosslinked melamine resin having a uniform particle diameter

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IT1114947B (it) 1986-02-03
SE414583B (sv) 1980-08-11
AU3175977A (en) 1979-06-28
BE862371A (fr) 1978-04-14
GB1542058A (en) 1979-03-14
SE7714554L (sv) 1978-07-01
ES465482A1 (es) 1978-09-16
CA1108943A (fr) 1981-09-15
SU965341A3 (ru) 1982-10-07
DE2757528C2 (de) 1993-05-13
DE2757528A1 (de) 1978-07-06
NL172750C (nl) 1983-10-17
ZA777103B (en) 1978-09-27
ATA931377A (de) 1980-09-15
CH630269A5 (de) 1982-06-15
NO147980C (no) 1983-07-20
US4100103A (en) 1978-07-11
BR7708690A (pt) 1978-08-15
NL172750B (nl) 1983-05-16
AR218281A1 (es) 1980-05-30
FR2375903B1 (fr) 1981-12-24
AU513160B2 (en) 1980-11-20
JPS5384881A (en) 1978-07-26
NO774457L (no) 1978-07-03
NO147980B (no) 1983-04-11
NL7714610A (nl) 1978-07-04
AT361895B (de) 1981-04-10
NZ185773A (en) 1979-06-19
JPS5935258B2 (ja) 1984-08-28
DK584177A (da) 1978-07-01

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