ACID-INDUCED RELEASE MICROCAPSULE

ACID-INDUCED RELEASE MICROCAPSULE

PROBLEM TO BE SOLVED: To provide a microcapsule which is acid-induced or acid-sensitive and which is useful for the controlled release of a physiologically active substance and an agrochemical substance, preferably of a pesticide for the treatment of leaves. SOLUTION: This microcapsule is formed wit...

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Bibliographische Detailangaben
Hauptverfasser: VAN KOPPENHAGEN JUANITA E, SCHER HERBERT BENSON, LEE KUO-SHIN, WADE PHILIP P, FOLLOWS RICHARD R, SHIRLEY IAN M
Format: Patent
Sprache:eng
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
PERFORMING OPERATIONS
PEST REPELLANTS OR ATTRACTANTS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
THEIR RELEVANT APPARATUS
TRANSPORTING
TRAPPING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a microcapsule which is acid-induced or acid-sensitive and which is useful for the controlled release of a physiologically active substance and an agrochemical substance, preferably of a pesticide for the treatment of leaves. SOLUTION: This microcapsule is formed with a polyurea shell wall containing at least one oligomer acetal part expressed by formula (I) and an encapsulated component which is included inside this shell wall [in the formula, R is (a) a (5-about 40)C carbon chain which may be substituted, (b) a (4-about 40)C carbon chain having one or more internally-bonded oxygen atoms or the like, or (c) an ethylene chain or propylene chain which may be substituted; Z is a phenyl group which may be substituted or a 1C-20C alkyl group which may be substituted; and n is 1 when R is (a) or (b), and n is 2-20 when R is (c)]. COPYRIGHT: (C)2011,JPO&INPIT