ES8605392A1 - Procedimiento para microencapsular materiales liquidos - Google Patents

Procedimiento para microencapsular materiales liquidos

Info

Publication number
ES8605392A1
ES8605392A1 ES541755A ES541755A ES8605392A1 ES 8605392 A1 ES8605392 A1 ES 8605392A1 ES 541755 A ES541755 A ES 541755A ES 541755 A ES541755 A ES 541755A ES 8605392 A1 ES8605392 A1 ES 8605392A1
Authority
ES
Spain
Prior art keywords
emulsion
organic solution
urea
formaldehyde
condensation
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
ES541755A
Other languages
English (en)
Other versions
ES541755A0 (es
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.)
Stauffer Chemical Co
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
Publication of ES8605392A1 publication Critical patent/ES8605392A1/es
Publication of ES541755A0 publication Critical patent/ES541755A0/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Lubricants (AREA)

Abstract

PROCEDIMIENTO PARA MICROENCAPSULAR MATERIALES LIQUIDOS. COMPRENDE: A) HACER REACCIONAR A UREA CON FORMALDEHIDO, EN AHUA, A PH ENTRE 7,5 Y 11 Y ENTRE 50J Y 90JC, PARA PRODUCIR (A); B) ETERIFICAR UN 50 A 98% DE GRUPOS METILOL DE (A) CON UN ALCOHOL DE C 4 A 10; C) DILUIR A (A) ETERIFICADO Y AL MATERIAL LIQUIDO EN ALCOHOLES DE C 1 A 4 O CETONAS, PARA FORMAR UNA SOLUCION ORGANICA; D) EMULSIONAR A LA SOLUCION DE C) CON UNA SOLUCION ACUOSA DE AGUA DE (B) Y DE (C), PARA FORMAR GOTAS SEPARADAS DE LA SOLUCION DE C) EN LA SOLUCION ACUOSA; E) AÑADIR A LA EMULSION DE A) UN (D); F) MANTENER A LA EMULSION DE E), A PH ENTRE 0 Y 4 Y CALENTARLA ENTRE 40J Y 70JC, PARA AUTO-CONDENSAR A (A) Y CONVERTIR A LAS GOTAS DE LIQUIDO DE LA SOLUCION ORGANICAS EN CAPSULAS O CASCARAS POLIMERICAS QUE ENVUELVEN AL LIQUIDO; Y G) CALENTAR A LAS CASCARAS POLIMERICAS DE F) ENTRE 20J Y 100JC, PARA CURARLAS. A, PRE-POLIMEROS DE UREA-FORMALDEHIDO; B, AGENTE DE SUPERFICIE ACTIVA ELEGIDO ENTRE SALES ALCALINAS DE ALQUILSULFONATOS; C,COLOIDE PROTECTOR COMO ALCOHOL POLIVINIKICO; Y D, AGENTE ACIDIFICANTE COMO SO4H2 O CITRICO.
ES541755A 1984-03-30 1985-03-29 Procedimiento para microencapsular materiales liquidos Expired ES8605392A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59513684A 1984-03-30 1984-03-30
EP85301744A EP0158449B1 (en) 1984-03-30 1985-03-13 Microcapsules and microencapsulation process
CN85101429A CN85101429B (zh) 1984-03-30 1985-04-01 微型胶囊及包微型胶囊的过程

Publications (2)

Publication Number Publication Date
ES8605392A1 true ES8605392A1 (es) 1986-03-16
ES541755A0 ES541755A0 (es) 1986-03-16

Family

ID=27178822

Family Applications (1)

Application Number Title Priority Date Filing Date
ES541755A Expired ES8605392A1 (es) 1984-03-30 1985-03-29 Procedimiento para microencapsular materiales liquidos

Country Status (16)

Country Link
EP (1) EP0158449B1 (es)
JP (1) JPH0644996B2 (es)
CN (1) CN85101429B (es)
AT (1) ATE30522T1 (es)
AU (1) AU580289B2 (es)
BR (1) BR8501403A (es)
DE (1) DE3560861D1 (es)
DZ (1) DZ764A1 (es)
EG (1) EG17053A (es)
ES (1) ES8605392A1 (es)
GR (1) GR850802B (es)
HU (1) HU194749B (es)
MX (1) MX161395A (es)
RO (1) RO91881A (es)
TR (1) TR22336A (es)
YU (1) YU45710B (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160529A (en) * 1980-10-30 1992-11-03 Imperial Chemical Industries Plc Microcapsules and microencapsulation process
US5462915A (en) * 1989-09-28 1995-10-31 Sandoz Ltd. Process for producing microcapsules
BR9006932A (pt) * 1989-09-28 1991-10-08 Sandoz Ltd Substancias quimicas microencapsuladas para agricultura
JPH04364101A (ja) * 1991-06-12 1992-12-16 Mitsui Toatsu Chem Inc 殺虫組成物及びその製造方法
IL104425A (en) * 1992-01-22 1996-10-31 Zeneca Ltd Reducing the content of formaldehyde in tiny capsule preparations
DE4434638A1 (de) * 1994-09-28 1996-04-04 Hoechst Schering Agrevo Gmbh Mikroverkapselte Pflanzenschutzmittel, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung
US6022501A (en) * 1996-08-15 2000-02-08 American Cyanamid Company pH-sensitive microcapsules
JPH11322587A (ja) * 1998-05-18 1999-11-24 Sumitomo Chem Co Ltd 常温で固体の生理活性物質のマイクロカプセル化方法およびこの方法により得られるマイクロカプセル組成物
CN1162076C (zh) * 1998-07-29 2004-08-18 辛根塔有限公司 碱触发释放的微胶囊
JP2000342956A (ja) * 1999-04-01 2000-12-12 Dai Ichi Kogyo Seiyaku Co Ltd マイクロカプセルの製法およびそれによって得られたマイクロカプセル
CA2376679C (en) * 1999-09-10 2008-07-15 Syngenta Limited Variable release microcapsules
US7045562B2 (en) * 2003-10-16 2006-05-16 International Business Machines Corporation Method and structure for self healing cracks in underfill material between an I/C chip and a substrate bonded together with solder balls
CN1307878C (zh) * 2005-07-07 2007-04-04 云南大学 一种印楝素微胶囊的悬浮液配方
CN101731210B (zh) * 2008-11-05 2013-03-27 河北农业大学 界面聚合法制备农药微胶囊的工艺
CN103396211A (zh) * 2013-07-23 2013-11-20 苏州仁成生物科技有限公司 一种罗勒专用微胶囊有机肥及其制备方法
CN103351257A (zh) * 2013-07-23 2013-10-16 苏州仁成生物科技有限公司 一种人参微胶囊肥及其制备方法
CN103351256A (zh) * 2013-07-23 2013-10-16 苏州仁成生物科技有限公司 一种复合微胶囊保水肥料及其制备方法
US9610228B2 (en) 2013-10-11 2017-04-04 International Flavors & Fragrances Inc. Terpolymer-coated polymer encapsulated active material
CN103539545A (zh) * 2013-10-16 2014-01-29 苏州市石桥生态农业科技园（普通合伙） 一种含香椿有机微胶囊肥料
EP2865423B1 (en) 2013-10-18 2020-03-04 International Flavors & Fragrances Inc. Hybrid fragrance encapsulate formulation and method for using the same
MX2018009997A (es) 2016-02-18 2019-02-07 Int Flavors & Fragrances Inc Composiciones de cápsulas de poliurea.
EP3512625B1 (en) 2016-09-16 2023-04-26 International Flavors & Fragrances Inc. Microcapsule compositions stabilized with viscosity control agents
US20180085291A1 (en) 2016-09-28 2018-03-29 International Flavors & Fragrances Inc. Microcapsule compositions containing amino silicone
EP3897521A4 (en) 2018-12-18 2023-01-25 International Flavors & Fragrances Inc. GUARGUM MICROCAPSULES
CN110511815A (zh) * 2019-08-29 2019-11-29 华南理工大学 一种沉香提取物及其制备方法与应用

Family Cites Families (2)

* 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
US3779941A (en) * 1970-07-17 1973-12-18 Champion Int Corp Water-resistant microcapsular opacifier system and products

Also Published As

Publication number Publication date
MX161395A (es) 1990-09-20
EG17053A (en) 1993-12-30
TR22336A (tr) 1987-02-16
DE3560861D1 (en) 1987-12-10
ATE30522T1 (de) 1987-11-15
YU51785A (en) 1987-12-31
HU194749B (en) 1988-03-28
ES541755A0 (es) 1986-03-16
CN85101429A (zh) 1987-01-17
EP0158449A1 (en) 1985-10-16
GR850802B (es) 1985-07-23
HUT41274A (en) 1987-04-28
RO91881A (ro) 1987-06-30
AU580289B2 (en) 1989-01-12
CN85101429B (zh) 1988-08-17
YU45710B (sh) 1992-07-20
BR8501403A (pt) 1985-11-26
JPS60225633A (ja) 1985-11-09
DZ764A1 (fr) 2004-09-13
JPH0644996B2 (ja) 1994-06-15
EP0158449B1 (en) 1987-11-04
AU4013985A (en) 1985-10-03

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20050108