PREPARATION OF MICROCAPSULE

PURPOSE:To improve resistance to water and humidity, by emulsifying and dispersing a hydrophobic core material in an aq. acidic soln. of a specific anionic, water-soluble terpolymer and forming an amino acid resin film around the core material. CONSTITUTION:An aq. acidic soln. of an anionic, water-s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HATTORI HARUO, KAWANABE TOSHIAKI, SHIMADA TAISUKE, AWANO MAMORU, ISHITA KOICHI, DOI YUKIO, YOSHIDA SHOZO, KAWAMURA MICHIO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COLOUR PRINTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LINING MACHINES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR RELEVANT APPARATUS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To improve resistance to water and humidity, by emulsifying and dispersing a hydrophobic core material in an aq. acidic soln. of a specific anionic, water-soluble terpolymer and forming an amino acid resin film around the core material. CONSTITUTION:An aq. acidic soln. of an anionic, water-soluble trimmer comprised of acrylic acid, acrylonitrile, and acid phosphooxypolyethylene glycol methancrylate is prepared. After a hydrophobic core material is emulsively dispersed in the aq. acid soln. of the anionic, water-soluble terpolymer, an amino resin film is formed around the core material to give a capsule, thus, a microcapsule is prepd. preferably, the amount of the anionic, water-soluble terpolymer is 1-30 pts.wt. to 100 pt.wt. of the hydrophobic core material.