PT96469A - Processo para a preparacao de granulos de libertacao controlada - Google Patents
Processo para a preparacao de granulos de libertacao controlada Download PDFInfo
- Publication number
- PT96469A PT96469A PT96469A PT9646991A PT96469A PT 96469 A PT96469 A PT 96469A PT 96469 A PT96469 A PT 96469A PT 9646991 A PT9646991 A PT 9646991A PT 96469 A PT96469 A PT 96469A
- Authority
- PT
- Portugal
- Prior art keywords
- polyisocyanate
- process according
- granules
- water
- pesticide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 49
- 239000008187 granular material Substances 0.000 title claims description 37
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000005056 polyisocyanate Substances 0.000 claims description 40
- 229920001228 polyisocyanate Polymers 0.000 claims description 40
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 33
- 150000001875 compounds Chemical class 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000000203 mixture Chemical class 0.000 claims description 21
- 239000000575 pesticide Substances 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000002685 polymerization catalyst Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000013270 controlled release Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000004009 herbicide Substances 0.000 claims description 8
- 239000002917 insecticide Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- -1 sulphonyl ureas Chemical class 0.000 claims description 6
- 230000002363 herbicidal effect Effects 0.000 claims description 5
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 5
- CGNBQYFXGQHUQP-UHFFFAOYSA-N 2,3-dinitroaniline Chemical class NC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O CGNBQYFXGQHUQP-UHFFFAOYSA-N 0.000 claims description 4
- CAAMSDWKXXPUJR-UHFFFAOYSA-N 3,5-dihydro-4H-imidazol-4-one Chemical class O=C1CNC=N1 CAAMSDWKXXPUJR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002396 Polyurea Polymers 0.000 claims description 4
- 235000013877 carbamide Nutrition 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 150000003512 tertiary amines Chemical class 0.000 claims description 4
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 claims description 4
- 229940100389 Sulfonylurea Drugs 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000012695 Interfacial polymerization Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229920003226 polyurethane urea Polymers 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 2
- 239000004480 active ingredient Substances 0.000 description 24
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 10
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 239000012975 dibutyltin dilaurate Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 229940095102 methyl benzoate Drugs 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- 239000004562 water dispersible granule Substances 0.000 description 4
- CTSLUCNDVMMDHG-UHFFFAOYSA-N 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione Chemical compound CCC(C)N1C(=O)NC(C)=C(Br)C1=O CTSLUCNDVMMDHG-UHFFFAOYSA-N 0.000 description 3
- 229960000892 attapulgite Drugs 0.000 description 3
- 239000000417 fungicide Substances 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052625 palygorskite Inorganic materials 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 2
- 230000000895 acaricidal effect Effects 0.000 description 2
- 239000000642 acaricide Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical compound COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000007931 coated granule Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- CYPPCCJJKNISFK-UHFFFAOYSA-J kaolinite Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[O-][Si](=O)O[Si]([O-])=O CYPPCCJJKNISFK-UHFFFAOYSA-J 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000005645 nematicide Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 description 2
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 2
- ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 description 1
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 1
- YHAUWIDCXVQMPN-UHFFFAOYSA-N 4-methyl-n,n-di(propan-2-yl)aniline Chemical compound CC(C)N(C(C)C)C1=CC=C(C)C=C1 YHAUWIDCXVQMPN-UHFFFAOYSA-N 0.000 description 1
- MIPBHTPYTFQWKA-UHFFFAOYSA-N 5-bromo-3-methyl-1h-pyrimidine-2,4-dione Chemical compound CN1C(=O)NC=C(Br)C1=O MIPBHTPYTFQWKA-UHFFFAOYSA-N 0.000 description 1
- CZTQZXZIADLWOZ-UHFFFAOYSA-O 8-oxo-3-(pyridin-1-ium-1-ylmethyl)-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound C1SC2C(NC(=O)CC=3SC=CC=3)C(=O)N2C(C(=O)O)=C1C[N+]1=CC=CC=C1 CZTQZXZIADLWOZ-UHFFFAOYSA-O 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000005510 Diuron Substances 0.000 description 1
- 244000084296 Hernandia moerenhoutiana Species 0.000 description 1
- 235000010044 Hernandia moerenhoutiana Nutrition 0.000 description 1
- 241000047703 Nonion Species 0.000 description 1
- 239000005950 Oxamyl Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000002353 algacidal effect Effects 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- PPWBRCCBKOWDNB-UHFFFAOYSA-N bensulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)CC=2C(=CC=CC=2)C(O)=O)=N1 PPWBRCCBKOWDNB-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- WDLNXVMIBAUECM-UHFFFAOYSA-N dihydroxy-sulfanylidene-(1,2,2,2-tetrachloroethoxy)-lambda5-phosphane Chemical compound OP(O)(=S)OC(Cl)C(Cl)(Cl)Cl WDLNXVMIBAUECM-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 229940070765 laurate Drugs 0.000 description 1
- 230000003129 miticidal effect Effects 0.000 description 1
- KZAUOCCYDRDERY-UHFFFAOYSA-N oxamyl Chemical compound CNC(=O)ON=C(SC)C(=O)N(C)C KZAUOCCYDRDERY-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 229920000162 poly(ureaurethane) Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 235000007686 potassium Nutrition 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- PWBHRVGYSMBMIO-UHFFFAOYSA-M tributylstannanylium;acetate Chemical compound CCCC[Sn](CCCC)(CCCC)OC(C)=O PWBHRVGYSMBMIO-UHFFFAOYSA-M 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 230000003253 viricidal effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46443490A | 1990-01-12 | 1990-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT96469A true PT96469A (pt) | 1991-10-15 |
Family
ID=23843943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT96469A PT96469A (pt) | 1990-01-12 | 1991-01-11 | Processo para a preparacao de granulos de libertacao controlada |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0513027A1 (cs) |
| JP (1) | JPH05503697A (cs) |
| KR (1) | KR927002910A (cs) |
| AU (1) | AU7175091A (cs) |
| CA (1) | CA2073689A1 (cs) |
| CS (1) | CS5891A3 (cs) |
| IL (1) | IL96916A0 (cs) |
| NZ (1) | NZ236736A (cs) |
| PT (1) | PT96469A (cs) |
| WO (1) | WO1991010362A1 (cs) |
| ZA (1) | ZA91237B (cs) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560768A (en) * | 1993-05-06 | 1996-10-01 | Haifa Chemicals South Ltd. | Method for preparing an encapsulated slow-release particulate fertilizer |
| JP3761649B2 (ja) * | 1996-12-11 | 2006-03-29 | 住友化学株式会社 | 粒状農薬組成物の製造方法 |
| US5851261A (en) * | 1996-12-30 | 1998-12-22 | Bayer Corporation | Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process |
| AU756668B2 (en) * | 1997-12-24 | 2003-01-23 | Kiwitech Limited | Substantially water-insoluble matrix containing bioactive substances for slow release |
| JP4655606B2 (ja) * | 2003-12-04 | 2011-03-23 | 住友化学株式会社 | 農薬粒剤 |
| US20090041819A1 (en) | 2005-03-28 | 2009-02-12 | Sumitomo Chemical Company Limited | Pesticidal Composition |
| CA2947010C (en) * | 2014-04-28 | 2022-09-13 | Basf Se | Method of forming an encapsulated fertilizer |
| CN120518836B (zh) * | 2025-07-23 | 2025-09-19 | 山东壹通达高分子材料有限公司 | 一种高耐磨聚氨酯弹性体的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223070A (en) * | 1978-05-04 | 1980-09-16 | Stauffer Chemical Company | Impregnated porous granules with slow release pore membranes and process therefor |
| DE2743485C3 (de) * | 1977-09-28 | 1980-09-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von biologisch bodenwirksamen Granulaten |
-
1991
- 1991-01-08 EP EP91901981A patent/EP0513027A1/en not_active Ceased
- 1991-01-08 CA CA002073689A patent/CA2073689A1/en not_active Abandoned
- 1991-01-08 WO PCT/US1991/000015 patent/WO1991010362A1/en not_active Ceased
- 1991-01-08 JP JP3502957A patent/JPH05503697A/ja active Pending
- 1991-01-08 KR KR1019920701646A patent/KR927002910A/ko not_active Withdrawn
- 1991-01-08 AU AU71750/91A patent/AU7175091A/en not_active Abandoned
- 1991-01-10 IL IL96916A patent/IL96916A0/xx unknown
- 1991-01-10 NZ NZ236736A patent/NZ236736A/en unknown
- 1991-01-11 ZA ZA91237A patent/ZA91237B/xx unknown
- 1991-01-11 CS CS9158A patent/CS5891A3/cs unknown
- 1991-01-11 PT PT96469A patent/PT96469A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05503697A (ja) | 1993-06-17 |
| NZ236736A (en) | 1993-03-26 |
| CS5891A3 (en) | 1992-06-17 |
| CA2073689A1 (en) | 1991-07-13 |
| EP0513027A1 (en) | 1992-11-19 |
| ZA91237B (en) | 1992-09-30 |
| KR927002910A (ko) | 1992-12-17 |
| AU7175091A (en) | 1991-08-05 |
| IL96916A0 (en) | 1992-03-29 |
| WO1991010362A1 (en) | 1991-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0005302B1 (en) | Impregnated porous granules with slow-release pore membranes, and process for the manufacture thereof | |
| US20050277549A1 (en) | Microcapsules having activated release of core material therein | |
| JP2001213685A (ja) | 改善された徐放性を有するポリウレタンカプセル化肥料 | |
| HUP0100193A2 (hu) | Könnyen állítható kibocsátást biztosító mikrokapszulák | |
| US3920436A (en) | Artificial protective environment for plants | |
| JP2002114591A (ja) | 油ポリオールを用いる徐放性のポリウレタン封入された肥料 | |
| HU181870B (en) | Process for producing insecticide-containing microcapsules | |
| EP0974568A2 (en) | Symmetrical polyureaurethane fertilizer encapsulation | |
| PT96469A (pt) | Processo para a preparacao de granulos de libertacao controlada | |
| CN104619173B (zh) | 农用化学组合物,其制备方法及其用途 | |
| ES2242332T3 (es) | Procedimiento para la emcapsulacion de fertilizantes con una composicion de poliuretano asimetrica. | |
| US6682751B1 (en) | Controlled-release pesticidal composition and method of making | |
| US5562914A (en) | Impregnated porous granules and a polyurethane matrix held within the pores thereof and holding a liquid material for controlled release of liquid material and process therefor | |
| CA1122425A (en) | Process for the manufacture of biologically active granules | |
| JPS644484B2 (cs) | ||
| BRPI0717105B1 (pt) | composição pesticida em pó e método para aperfeiçoar a escoabilidade de um pesticida revestido em pó | |
| HU187317B (en) | Granulated pesticide compositions | |
| KR820002243B1 (ko) | 방출제어공막을 갖는 함침된 다공성 과립체 | |
| RU2023101554A (ru) | Концентраты водной суспензии в форме капсул, содержащие биоразлагаемые сложноэфирные группы |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19910531 |
|
| FC3A | Refusal |
Effective date: 19970416 |