CH641376A5 - Druckbestaendige polyurethan-polyharnstoff-partikel sowie verfahren zu deren herstellung. - Google Patents
Druckbestaendige polyurethan-polyharnstoff-partikel sowie verfahren zu deren herstellung. Download PDFInfo
- Publication number
- CH641376A5 CH641376A5 CH1284678A CH1284678A CH641376A5 CH 641376 A5 CH641376 A5 CH 641376A5 CH 1284678 A CH1284678 A CH 1284678A CH 1284678 A CH1284678 A CH 1284678A CH 641376 A5 CH641376 A5 CH 641376A5
- Authority
- CH
- Switzerland
- Prior art keywords
- organic phase
- formula
- aqueous phase
- isocyanate
- polyurethane
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 38
- 239000002245 particle Substances 0.000 title claims description 37
- 238000004519 manufacturing process Methods 0.000 title description 13
- 239000004814 polyurethane Substances 0.000 title description 6
- 229920002635 polyurethane Polymers 0.000 title description 4
- 239000012074 organic phase Substances 0.000 claims description 37
- 239000012948 isocyanate Substances 0.000 claims description 31
- 150000002513 isocyanates Chemical class 0.000 claims description 31
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 24
- 239000008346 aqueous phase Substances 0.000 claims description 24
- 239000004480 active ingredient Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 22
- 229920002396 Polyurea Polymers 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 11
- 229920001228 polyisocyanate Polymers 0.000 claims description 10
- 239000005056 polyisocyanate Substances 0.000 claims description 10
- 239000007795 chemical reaction product Substances 0.000 claims description 9
- 239000013543 active substance Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 229920005862 polyol Polymers 0.000 claims description 8
- 150000003077 polyols Chemical class 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- -1 substituted alkyl acetate Chemical compound 0.000 claims description 6
- 229920001451 polypropylene glycol Polymers 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
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001694 spray drying Methods 0.000 claims description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
- 229920000084 Gum arabic Polymers 0.000 claims description 3
- 241000978776 Senegalia senegal Species 0.000 claims description 3
- 239000000205 acacia gum Substances 0.000 claims description 3
- 235000010489 acacia gum Nutrition 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920006037 cross link polymer Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 230000000361 pesticidal effect Effects 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims 1
- 239000002775 capsule Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 12
- 239000003094 microcapsule Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 239000008096 xylene Substances 0.000 description 8
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 6
- 229920002858 MOWIOL ® 4-88 Polymers 0.000 description 6
- GBAWQJNHVWMTLU-RQJHMYQMSA-N [(1R,5S)-7-chloro-6-bicyclo[3.2.0]hepta-2,6-dienyl] dimethyl phosphate Chemical compound C1=CC[C@@H]2C(OP(=O)(OC)OC)=C(Cl)[C@@H]21 GBAWQJNHVWMTLU-RQJHMYQMSA-N 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 6
- 229920000768 polyamine Polymers 0.000 description 6
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical class C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000000885 phytotoxic effect Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- RDJTWDKSYLLHRW-UHFFFAOYSA-N Dinoseb acetate Chemical compound CCC(C)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1OC(C)=O RDJTWDKSYLLHRW-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 150000002009 diols Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RDYMFSUJUZBWLH-SVWSLYAFSA-N endosulfan Chemical compound C([C@@H]12)OS(=O)OC[C@@H]1[C@]1(Cl)C(Cl)=C(Cl)[C@@]2(Cl)C1(Cl)Cl RDYMFSUJUZBWLH-SVWSLYAFSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000019645 odor Nutrition 0.000 description 3
- 231100000208 phytotoxic Toxicity 0.000 description 3
- 239000011814 protection agent Substances 0.000 description 3
- JOOMJVFZQRQWKR-UHFFFAOYSA-N pyrazophos Chemical compound N1=C(C)C(C(=O)OCC)=CN2N=C(OP(=S)(OCC)OCC)C=C21 JOOMJVFZQRQWKR-UHFFFAOYSA-N 0.000 description 3
- AMFGTOFWMRQMEM-UHFFFAOYSA-N triazophos Chemical compound N1=C(OP(=S)(OCC)OCC)N=CN1C1=CC=CC=C1 AMFGTOFWMRQMEM-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- SESFRYSPDFLNCH-UHFFFAOYSA-N benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 210000000497 foam cell Anatomy 0.000 description 2
- GJRQTCIYDGXPES-UHFFFAOYSA-N isobutyl acetate Chemical compound CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropyl acetate Chemical compound CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 229920003226 polyurethane urea Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical class C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 description 1
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
- MEALYKUPKPCGDF-UHFFFAOYSA-N 5-isocyanato-6-methylidenecyclohexa-1,3-diene Chemical compound C=C1C=CC=CC1N=C=O MEALYKUPKPCGDF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- HRKAMJBPFPHCSD-UHFFFAOYSA-N Tri-isobutylphosphate Chemical compound CC(C)COP(=O)(OCC(C)C)OCC(C)C HRKAMJBPFPHCSD-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229960002903 benzyl benzoate Drugs 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical class OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 244000038559 crop plants Species 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229960005150 glycerol Drugs 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- TZMQHOJDDMFGQX-UHFFFAOYSA-N hexane-1,1,1-triol Chemical compound CCCCCC(O)(O)O TZMQHOJDDMFGQX-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 231100001184 nonphytotoxic Toxicity 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 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
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- B01J13/16—Interfacial polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S528/902—Particulate material prepared from an isocyanate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Polyurethanes Or Polyureas (AREA)
- Colloid Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2757017A DE2757017C3 (de) | 1977-12-21 | 1977-12-21 | Verfahren zum Herstellen von druckbeständigen Polyurethan-Polyharnstoff-Kapseln mit strukturierter Innenmasse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH641376A5 true CH641376A5 (de) | 1984-02-29 |
Family
ID=6026744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1284678A CH641376A5 (de) | 1977-12-21 | 1978-12-18 | Druckbestaendige polyurethan-polyharnstoff-partikel sowie verfahren zu deren herstellung. |
Country Status (26)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2312059C2 (de) * | 1972-03-15 | 1987-04-02 | Stauffer Chemical Co., Westport, Conn. | Verfahren zum Einkapseln eines mit Wasser nicht mischbaren organischen Materials in einer Polyharnstoffkapsel |
| JPS55130909A (en) * | 1979-03-31 | 1980-10-11 | Agency Of Ind Science & Technol | Granular material containing active substance and having inactive surface-protecting layer, and its preparation |
| DE3020781C2 (de) * | 1980-05-31 | 1982-11-18 | Hoechst Ag, 6000 Frankfurt | Druckbeständige Mikrokapseln mit einer Polyamid-Außenhülle und einer durch Polyurethan-Polyharnstoff oder Polyharnstoff strukturierten Innenmasse und Verfahren zu ihrer Herstellung |
| US4380034A (en) * | 1980-09-26 | 1983-04-12 | Magnetic Peripherals Inc. | Track centering servo pulse noise filter |
| JPS58153947A (ja) * | 1982-03-09 | 1983-09-13 | Konishiroku Photo Ind Co Ltd | マイクロカプセル型トナ− |
| DE3333654A1 (de) * | 1983-09-17 | 1985-03-28 | Cassella Ag, 6000 Frankfurt | Verkapselte, in wasser schwerloesliche salze, ihre herstellung und ihre verwendung |
| ATE77916T1 (de) * | 1985-09-13 | 1992-07-15 | Ciba Geigy Ag | Verfahren zur herstellung von mikrokapseln. |
| ATE77917T1 (de) * | 1987-03-06 | 1992-07-15 | Ciba Geigy Ag | Herbizide zusammensetzungen. |
| ES2048325T3 (es) * | 1989-01-18 | 1994-03-16 | Bayer Ag | Granulados vehiculos que contienen substancias activas liquidas y solidas. |
| US5562914A (en) * | 1990-12-06 | 1996-10-08 | Zeneca Inc. | 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 |
| JPH04115178U (ja) * | 1991-03-27 | 1992-10-12 | 三和シヤツター工業株式会社 | ドアパネルのコーナーパツト |
| DE4130743A1 (de) * | 1991-09-16 | 1993-03-18 | Bayer Ag | Mikrokapseln aus isocyanaten mit polyethylenoxidhaltigen gruppen |
| KR100313589B1 (ko) * | 1993-02-09 | 2002-11-29 | 노바티스 아게 | 미세캡슐의 제조방법 |
| WO1995017954A1 (fr) * | 1993-12-28 | 1995-07-06 | Sansui Co., Ltd. | Procede de production d'une microcapsule d'un medicament hydrophobe |
| IL108835A (en) * | 1994-03-03 | 1997-08-14 | Ben Researchiversity Of The Ne | Microencapsulated composition containing chlorpyrifos or endosulfan |
| DE19646880A1 (de) | 1996-11-13 | 1998-05-14 | Hoechst Schering Agrevo Gmbh | Endosulfan-Mikrokapseldispersion |
| EP0882498B1 (en) * | 1997-06-02 | 2004-02-11 | Hodogaya Chemical Co Ltd | Process for producing a solvent-less O/W type emulsion |
| AU751267B2 (en) * | 1997-06-30 | 2002-08-08 | Monsanto Technology Llc | Microparticles containing agricultural active ingredients |
| DE19947147A1 (de) * | 1999-10-01 | 2001-04-05 | Bayer Ag | Mikrokapseln |
| US6365189B1 (en) * | 1999-10-22 | 2002-04-02 | 3M Innovative Properties Company | Method of delivering and releasing a pheromone |
| DE10022989A1 (de) * | 2000-05-11 | 2001-11-22 | Aventis Cropscience Gmbh | Kombinationen von Pflanzenschutzmitteln mit organischen oder anorganischen Trägermaterialien |
| US7442410B2 (en) * | 2002-12-24 | 2008-10-28 | Nano-Sports Technologies Ltd. | Method for encapsulating phase transitional paraffin compounds using melamine-formaldehyde and microcapsule resulting therefrom |
| GB0501030D0 (en) * | 2005-01-19 | 2005-02-23 | Central Science Lab The | Formulation |
| DE102006015940A1 (de) * | 2006-04-05 | 2007-10-11 | Bayer Cropscience Ag | Flüssige Formulierungen im Pflanzenschutz und deren Verwendung |
| FR2915750B1 (fr) * | 2007-05-03 | 2011-05-06 | Rhodia Recherches & Tech | Melange a base de polyisocyanate et d'un solvant de type ether ester, emulsion aqueuse obtenue a partir de ce melange et utilisation de cette emulsion pour la fabrication de revetements et d'adhesifs |
| US20100226950A1 (en) * | 2009-03-04 | 2010-09-09 | Dow Agrosciences Llc | Microencapsulated insecticide with enhanced residual activity |
| CN102548631B (zh) | 2009-10-09 | 2014-11-26 | 圣诺普科有限公司 | 消泡剂 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3577515A (en) * | 1963-12-13 | 1971-05-04 | Pennwalt Corp | Encapsulation by interfacial polycondensation |
| US3402149A (en) * | 1964-12-04 | 1968-09-17 | Thiokol Chemical Corp | Process for preparing polyureapolyurethane molding powders |
| US3651182A (en) * | 1969-04-24 | 1972-03-21 | Daniel Rosenthal | Method of making multicellular thermoset foamed plastic beads |
| CA953166A (en) * | 1970-03-12 | 1974-08-20 | Stanley B. Elliott | Visual-type hygrometer |
| DE2119524A1 (de) * | 1971-04-22 | 1972-10-26 | Karl Alt Behälterbau-Apparatebau, 3100CeIIe | Behälter |
| SE366051B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-12-08 | 1974-04-08 | Bofors Ab | |
| DE2312059C2 (de) * | 1972-03-15 | 1987-04-02 | Stauffer Chemical Co., Westport, Conn. | Verfahren zum Einkapseln eines mit Wasser nicht mischbaren organischen Materials in einer Polyharnstoffkapsel |
| DE2311712B2 (de) * | 1973-03-09 | 1978-08-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur Hersteilung von Mikrokapseln |
| US4032516A (en) * | 1973-05-09 | 1977-06-28 | Usm Corporation | Method of making polyurethane powder |
| US3860565A (en) * | 1973-10-01 | 1975-01-14 | Minnesota Mining & Mfg | Encapsulated isocyanurate catalyst |
| US4000218A (en) * | 1973-12-03 | 1976-12-28 | Union Carbide Corporation | Process for preparing particulate polyurethane polymers and the polymers derived therefrom |
| DE2404538C2 (de) * | 1974-01-31 | 1982-04-29 | Bayer Ag, 5090 Leverkusen | Herstellung von Polyharnstoffpulver |
| CA1040018A (en) * | 1974-06-19 | 1978-10-10 | Dale R. Shackle | Cross-linked hydroxypropylcellulose microcapsules and process for making |
| US3963710A (en) * | 1974-08-28 | 1976-06-15 | E. I. Du Pont De Nemours And Company | Finely divided blocked isocyanates prepared in the presence of surfactants |
| US4046741A (en) * | 1976-02-17 | 1977-09-06 | Stauffer Chemical Company | Post-treatment of polyurea microcapsules |
| DE2617747C2 (de) * | 1976-04-23 | 1982-07-01 | Bayer Ag, 5090 Leverkusen | Reaktionsdurchschreibepapiere |
-
1977
- 1977-12-21 DE DE2757017A patent/DE2757017C3/de not_active Expired
-
1978
- 1978-12-14 IN IN1330/CAL/78A patent/IN149643B/en unknown
- 1978-12-15 ES ES476060A patent/ES476060A1/es not_active Expired
- 1978-12-15 MX MX787607U patent/MX5742E/es unknown
- 1978-12-18 CH CH1284678A patent/CH641376A5/de not_active IP Right Cessation
- 1978-12-19 DD DD78209926A patent/DD141032A5/de unknown
- 1978-12-19 BR BR7808310A patent/BR7808310A/pt unknown
- 1978-12-19 PH PH21967A patent/PH17560A/en unknown
- 1978-12-19 SU SU782705013A patent/SU1194259A3/ru active
- 1978-12-19 AU AU42697/78A patent/AU526316B2/en not_active Expired
- 1978-12-19 IL IL56252A patent/IL56252A/xx not_active IP Right Cessation
- 1978-12-19 IT IT31007/78A patent/IT1102404B/it active
- 1978-12-19 US US05/971,099 patent/US4230809A/en not_active Expired - Lifetime
- 1978-12-19 AT AT0905978A patent/AT375026B/de not_active IP Right Cessation
- 1978-12-19 AR AR274874A patent/AR219360A1/es active
- 1978-12-20 PT PT68957A patent/PT68957A/pt unknown
- 1978-12-20 NL NLAANVRAGE7812378,A patent/NL188509C/xx not_active IP Right Cessation
- 1978-12-20 ZA ZA00787146A patent/ZA787146B/xx unknown
- 1978-12-20 JP JP15653978A patent/JPS5491591A/ja active Granted
- 1978-12-20 CA CA000318326A patent/CA1136797A/en not_active Expired
- 1978-12-20 CS CS788628A patent/CS213368B2/cs unknown
- 1978-12-20 GB GB7849200A patent/GB2011923B/en not_active Expired
- 1978-12-20 HU HU78HO2124A patent/HU180473B/hu unknown
- 1978-12-21 TR TR20464A patent/TR20464A/xx unknown
- 1978-12-21 FR FR7835927A patent/FR2412346B1/fr not_active Expired
- 1978-12-21 BE BE192465A patent/BE872950A/xx not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2757017C3 (de) | Verfahren zum Herstellen von druckbeständigen Polyurethan-Polyharnstoff-Kapseln mit strukturierter Innenmasse | |
| EP0041210B1 (de) | Verfahren zur Herstellung druckbeständiger Mikrokapseln mit einer Polyamid-Aussenhülle und einer durch Polyurethan-Polyharnstoff strukturierten Innenmasse | |
| EP0140105B1 (de) | Verkapselte, in Wasser schwerlösliche Salze, ihre Herstellung und ihre Verwendung | |
| DE69814846T2 (de) | Verfahren zum einkapseln und gekapselte produkte | |
| EP0050264B1 (de) | Verfahren zur Herstellung von Mikrokapseln | |
| DE69905903T2 (de) | Mikrokapseln mit von säuren ausgelöste freisetzung | |
| DE2823377C2 (de) | Verfahren zum Einkapseln von mit Wasser nicht mischbarem Material in voneinander unabhängigen Hüllen aus Polyharnstoff | |
| CH642567A5 (de) | Mikrokapseln mit fluessigem, wasserunloeslichem fuellgut und verfahren zu deren herstellung. | |
| DE60011117T2 (de) | Hydrogel-mikrokügelchen mit einer sekundären schicht | |
| DE69028164T2 (de) | Verfahren zur Herstellung von Polymerteilchen | |
| DE69124369T2 (de) | Imprägnierte poröse granulate für gesteuerte abgabe von fliessfähigem material und verfahren zu ihrer herstellung | |
| DE2312059C2 (de) | Verfahren zum Einkapseln eines mit Wasser nicht mischbaren organischen Materials in einer Polyharnstoffkapsel | |
| DE69432297T2 (de) | Verfahren zur herstellung einer mikrokapsel eines hydrophoben heilmittels | |
| EP0284933B1 (de) | Mikroschaumperlen und Verfahren zu ihrer Herstellung | |
| CN117678600A (zh) | 一种微胶囊悬浮剂及其制备方法 | |
| EP0938259B1 (de) | Endosulfan-mikrokapseldispersion | |
| EP3036032B1 (de) | Verfahren zur herstellung von konzentraten von vorzugsweise wasserlöslichen wirkstoffen | |
| NZ236736A (en) | Preparation of controlled-release granules containing a pesticide and water and/or a polyhydroxy compound by coating them by reacting with a liquid polyisocyanate | |
| DD142274A5 (de) | Herbizides mittel | |
| RU99123179A (ru) | Способ капсулирования и капсулированные продукты |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |