AR240875A2 - Procedimiento para producir capsulas de poliurea de dimensiones multiples que contienen un material inmiscible en agua en su interior y las capsulas resultantes - Google Patents

Procedimiento para producir capsulas de poliurea de dimensiones multiples que contienen un material inmiscible en agua en su interior y las capsulas resultantes

Info

Publication number
AR240875A2
AR240875A2 AR29919185A AR29919185A AR240875A2 AR 240875 A2 AR240875 A2 AR 240875A2 AR 29919185 A AR29919185 A AR 29919185A AR 29919185 A AR29919185 A AR 29919185A AR 240875 A2 AR240875 A2 AR 240875A2
Authority
AR
Argentina
Prior art keywords
water
encapsulated
immiscible material
immiscible
producing multiple
Prior art date
Application number
AR29919185A
Other languages
English (en)
Other versions
AR240875A1 (es
Original Assignee
Stauffer Chemical Co
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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Application granted granted Critical
Publication of AR240875A1 publication Critical patent/AR240875A1/es
Publication of AR240875A2 publication Critical patent/AR240875A2/es

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
    • B01J13/16—Interfacial polymerisation
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • A01N25/28—Microcapsules or nanocapsules

Abstract

UN PROCEDIMIENTO PARA PRODUCIR CAPSULAS DE POLIUREA DE DIMENSIONES MULTIPLES QUE COMPRENDEN UN MATERIAL INMISCIBLE EN AGUA EN SU INTERIOR, DONDE TIENE LUGAR HIDROLISIS DE UN MONOMERO DE ISOCIANATO PARA FORMAR UNA AMINA QUE A SU VEZ REACCIONA CON OTRO MONOMERO DE ISOCIANATO PARA FORMAR POLIUREA, QUE COMPRENDE LAS ETAPAS DE: A)DISPERSAR A TEMPERATURA AMBIENTE SUCESIVA O SIMULTANEAMENTE: I)UNA PLURARIDAD DE FASES INMISCIBLES EN AGUA CADA UNA COMPRENDIENDO UN MATERIAL INMISCIBLE EN AGUA A SER ENCAPSULADO Y POLIISOCIANATOS ORGANICOS EN (II) UNA FASEACUOSA QUE COMPRENDE UNA SOLUCION DE AGUA, UN TENSIOACTIVO Y UN COLOIDE PROTECTOR; Y (B) CALENTAR Y MANTENER DICHA DISPERSION A UNA GAMA DE TEMPERATURA DE 40 C A 90 C, POR LO CUAL DICHO MATERIAL INMISCIBLE EN AGUA ES ENCAPSULADO DENTRO DE ENVOLTURAS CAPSULARES DISCRETAS DE POLIUREA DE DIVERSOS TAMAÑOS Y ESPESORES DE PARED DIRECTAMENTE UTILIZABLES SIN SEPARACION O PURIFICACION ADICIONAL.
AR299191A 1984-01-09 1985-01-04 Procedimiento para producir capsulas de poliurea de dimensiones multiples que contienen un material inmiscible en agua en su interior y las capsulas resultantes AR240875A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56906684A 1984-01-09 1984-01-09

Publications (2)

Publication Number Publication Date
AR240875A1 AR240875A1 (es) 1991-03-27
AR240875A2 true AR240875A2 (es) 1991-03-27

Family

ID=24273955

Family Applications (1)

Application Number Title Priority Date Filing Date
AR299191A AR240875A1 (es) 1984-01-09 1985-01-04 Procedimiento para producir capsulas de poliurea de dimensiones multiples que contienen un material inmiscible en agua en su interior y las capsulas resultantes

Country Status (14)

Country Link
EP (1) EP0148769B1 (es)
JP (1) JPS60156546A (es)
AR (1) AR240875A1 (es)
AT (1) ATE28274T1 (es)
AU (1) AU567200B2 (es)
BR (1) BR8500071A (es)
CA (1) CA1245917A (es)
DE (1) DE3560331D1 (es)
DK (1) DK10485A (es)
ES (1) ES8600961A1 (es)
HU (1) HU194504B (es)
IL (1) IL74019A (es)
NZ (1) NZ210780A (es)
ZA (1) ZA85169B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214936B1 (de) * 1985-09-13 1992-07-08 Ciba-Geigy Ag Verfahren zur Herstellung von Mikrokapseln
JPH0692282B2 (ja) * 1986-01-07 1994-11-16 住友化学工業株式会社 有機リン系殺虫組成物
JPH0692283B2 (ja) * 1986-02-17 1994-11-16 住友化学工業株式会社 有機リン系白アリ防除剤
FR2610537A1 (fr) * 1987-02-11 1988-08-12 Rhone Poulenc Chimie Procede ameliore de microencapsulation par polyaddition interfaciale
JPH0818937B2 (ja) * 1987-07-06 1996-02-28 住友化学工業株式会社 農園芸用有機燐系殺虫組成物
EP0342685B1 (en) * 1988-05-20 1994-04-13 Chugai Seiyaku Kabushiki Kaisha Microencapsulating composition and kit; and process for producing microcapsules
NZ332918A (en) * 1996-05-23 1999-07-29 Zeneca Ltd Polyurea microcapsules formed from an aromatic polyisocyanate and an aromatic diisocyanate in a weight ratio of 1:100 to about 1:1.5
CZ303590B6 (cs) * 1998-07-30 2012-12-27 Syngenta Limited Mikrokapsle, u kterých uvolnování úcinné látky iniciuje kyselina
KR100392501B1 (ko) * 2000-06-28 2003-07-22 동국제약 주식회사 다중 에멀젼법에 의한 서방출성 미립구의 제조방법
DE10152145A1 (de) * 2001-10-19 2003-05-22 Novosom Ag Stabilisierung von Liposomen und Emulsionen
JP4752182B2 (ja) 2004-03-01 2011-08-17 住友化学株式会社 昆虫成長調節剤

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285720A (en) * 1972-03-15 1981-08-25 Stauffer Chemical Company Encapsulation process and capsules produced thereby
CA1104882A (en) * 1972-03-15 1981-07-14 Herbert B. Scher Encapsulation process
GB1566297A (en) * 1975-10-30 1980-04-30 Stauffer Chemical Co Discrete polyurea microcapsules
US4140516A (en) * 1977-05-31 1979-02-20 Stauffer Chemical Company Encapsulation process employing phase transfer catalysts
JPS585697A (ja) * 1981-07-02 1983-01-13 三菱電機株式会社 破損燃料位置検出装置

Also Published As

Publication number Publication date
BR8500071A (pt) 1985-08-13
EP0148769B1 (en) 1987-07-15
AU567200B2 (en) 1987-11-12
NZ210780A (en) 1987-04-30
DK10485A (da) 1985-07-10
ES539428A0 (es) 1985-11-01
ATE28274T1 (de) 1987-08-15
ES8600961A1 (es) 1985-11-01
AR240875A1 (es) 1991-03-27
DK10485D0 (da) 1985-01-09
EP0148769A1 (en) 1985-07-17
DE3560331D1 (en) 1987-08-20
AU3739385A (en) 1985-07-18
ZA85169B (en) 1986-07-30
IL74019A0 (en) 1985-04-30
HUT41275A (en) 1987-04-28
JPS60156546A (ja) 1985-08-16
HU194504B (en) 1988-02-29
CA1245917A (en) 1988-12-06
IL74019A (en) 1988-03-31

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