FI67789C - Foerfarande foer inkapsling av ett med vatten oblandbart material - Google Patents
Foerfarande foer inkapsling av ett med vatten oblandbart material Download PDFInfo
- Publication number
- FI67789C FI67789C FI800920A FI800920A FI67789C FI 67789 C FI67789 C FI 67789C FI 800920 A FI800920 A FI 800920A FI 800920 A FI800920 A FI 800920A FI 67789 C FI67789 C FI 67789C
- Authority
- FI
- Finland
- Prior art keywords
- water
- grams
- immiscible
- immiscible material
- herbicide
- Prior art date
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
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (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)
- Agronomy & Crop Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Building Environments (AREA)
Claims (9)
1. Förfarande för inkapsling av ett med vatten obland-bart material i kapslar med ett skal av polyurea, varvid man a) bildar en vattenfas innehällande en emulgator, b) dispergerar i vattenfasen en med vatten oblandbar fas, som huvudsakligen utgörs av polymetylenpolyfenylisocyanat löst i det med vatten oblandbara materialet, varvid erhälles en dispersion med droppar av den med vatten oblandbara fasen jämnt fördelade i vattenfasen, c) sätter till dispersionen under omröring en vatten-löslig polyfunktionell amin eller ett vattenlösligt sait därav, varvid aminen reagerar med polymetylenpolyfenylisocyanatet under bildning av ett skal av polyurea runt det med vatten oblandbara materialet, kännetecknat därav, att emulgatorn är ett sait av lignosulfonat och det används i en mängd av 0,5-1,5 vikt-% av det med vatten oblandbara materialet, varvid koncentrationen av det med vatten oblandbara materialet är 480-700 g/1 total-kompositiön, koncentrationen av polymetylenpolyfenylisocyanatet är 3,5-21,0 vikt-% av det med vatten oblandbara materialet och koncentrationen av den polyfunktionella aminen är 1,5-9,0 vikt-% av det med vatten oblandbara materialet.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att saltet av lignosulfonat är ett natrium-, kalium-, magnesium-, kalcium- eller ammoniumsalt.
3. Förfarande enligt patentkravet 2,kännetecknat därav, att emulgatorn är natriumsaltet av lignosulfonat och den polyfunktionella aminen är 1,6-hexametylendiamin.
4. Förfarande enligt nägot av patentkraven 1-3, kännetecknat därav, att det med vatten oblandbara materialet är en herbicid.
5. Förfarande enligt patentkravet 4,kännetecknat därav, att herbiciden är en acetanilid- eller tiokarba-matherbicid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2356679 | 1979-03-26 | ||
US06/023,566 US4280833A (en) | 1979-03-26 | 1979-03-26 | Encapsulation by interfacial polycondensation, and aqueous herbicidal composition containing microcapsules produced thereby |
Publications (3)
Publication Number | Publication Date |
---|---|
FI800920A FI800920A (fi) | 1980-09-27 |
FI67789B FI67789B (fi) | 1985-02-28 |
FI67789C true FI67789C (fi) | 1985-06-10 |
Family
ID=21815892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI800920A FI67789C (fi) | 1979-03-26 | 1980-03-25 | Foerfarande foer inkapsling av ett med vatten oblandbart material |
Country Status (30)
Country | Link |
---|---|
US (2) | US4280833A (sv) |
EP (1) | EP0017409B1 (sv) |
JP (1) | JPS55129146A (sv) |
KR (1) | KR840000114B1 (sv) |
AR (1) | AR224644A1 (sv) |
AT (1) | ATE2774T1 (sv) |
AU (1) | AU532474B2 (sv) |
BR (1) | BR8001786A (sv) |
CA (1) | CA1165581A (sv) |
CS (1) | CS249110B2 (sv) |
DD (1) | DD149471A5 (sv) |
DE (1) | DE3062315D1 (sv) |
DK (1) | DK155574C (sv) |
ES (1) | ES8101906A1 (sv) |
FI (1) | FI67789C (sv) |
GE (1) | GEP19960529B (sv) |
GR (1) | GR67254B (sv) |
HU (1) | HU191324B (sv) |
IL (1) | IL59510A (sv) |
IN (1) | IN152084B (sv) |
NO (1) | NO150424C (sv) |
NZ (1) | NZ193261A (sv) |
PH (1) | PH17996A (sv) |
PL (2) | PL134710B1 (sv) |
PT (1) | PT71010A (sv) |
RO (1) | RO81047A (sv) |
SU (1) | SU1039436A3 (sv) |
UA (1) | UA5920A1 (sv) |
YU (1) | YU42504B (sv) |
ZA (1) | ZA801750B (sv) |
Families Citing this family (106)
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DK253779A (da) * | 1978-08-03 | 1980-02-04 | Du Pont | Insecticidt middel og fremgangsmaade til fremstilling deraf |
US4280833A (en) * | 1979-03-26 | 1981-07-28 | Monsanto Company | Encapsulation by interfacial polycondensation, and aqueous herbicidal composition containing microcapsules produced thereby |
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1979
- 1979-03-26 US US06/023,566 patent/US4280833A/en not_active Expired - Lifetime
-
1980
- 1980-02-29 IL IL59510A patent/IL59510A/xx unknown
- 1980-03-22 GR GR61510A patent/GR67254B/el unknown
- 1980-03-24 AT AT80300903T patent/ATE2774T1/de active
- 1980-03-24 DE DE8080300903T patent/DE3062315D1/de not_active Expired
- 1980-03-24 ES ES489855A patent/ES8101906A1/es not_active Expired
- 1980-03-24 EP EP80300903A patent/EP0017409B1/en not_active Expired
- 1980-03-25 PT PT71010A patent/PT71010A/pt not_active IP Right Cessation
- 1980-03-25 CS CS802072A patent/CS249110B2/cs unknown
- 1980-03-25 DD DD80219908A patent/DD149471A5/de not_active IP Right Cessation
- 1980-03-25 PH PH23807A patent/PH17996A/en unknown
- 1980-03-25 RO RO80100616A patent/RO81047A/ro unknown
- 1980-03-25 BR BR8001786A patent/BR8001786A/pt not_active IP Right Cessation
- 1980-03-25 ZA ZA00801750A patent/ZA801750B/xx unknown
- 1980-03-25 YU YU831/80A patent/YU42504B/xx unknown
- 1980-03-25 HU HU80696A patent/HU191324B/hu unknown
- 1980-03-25 PL PL1980222988A patent/PL134710B1/pl unknown
- 1980-03-25 NO NO800856A patent/NO150424C/no unknown
- 1980-03-25 CA CA000348392A patent/CA1165581A/en not_active Expired
- 1980-03-25 UA UA2896355A patent/UA5920A1/uk unknown
- 1980-03-25 KR KR1019800001230A patent/KR840000114B1/ko active
- 1980-03-25 FI FI800920A patent/FI67789C/fi not_active IP Right Cessation
- 1980-03-25 AU AU56828/80A patent/AU532474B2/en not_active Ceased
- 1980-03-25 IN IN344/CAL/80A patent/IN152084B/en unknown
- 1980-03-25 JP JP3814880A patent/JPS55129146A/ja active Granted
- 1980-03-25 AR AR280427A patent/AR224644A1/es active
- 1980-03-25 DK DK127780A patent/DK155574C/da not_active IP Right Cessation
- 1980-03-25 NZ NZ193261A patent/NZ193261A/xx unknown
- 1980-03-25 SU SU802896355A patent/SU1039436A3/ru active
- 1980-03-25 PL PL1980238269A patent/PL134937B1/pl unknown
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1981
- 1981-07-22 US US06/286,092 patent/US4417916A/en not_active Expired - Lifetime
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1993
- 1993-07-31 GE GEAP19931354A patent/GEP19960529B/en unknown
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: MONSANTO COMPANY |