DE1209999B - Verfahren zur Herstellung von Mikrokapseln - Google Patents
Verfahren zur Herstellung von MikrokapselnInfo
- Publication number
- DE1209999B DE1209999B DEJ19475A DEJ0019475A DE1209999B DE 1209999 B DE1209999 B DE 1209999B DE J19475 A DEJ19475 A DE J19475A DE J0019475 A DEJ0019475 A DE J0019475A DE 1209999 B DE1209999 B DE 1209999B
- Authority
- DE
- Germany
- Prior art keywords
- microcapsules
- solution
- weight
- polar
- polymer
- 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.)
- Pending
Links
- 239000003094 microcapsule Substances 0.000 title claims description 64
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000000243 solution Substances 0.000 claims description 58
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 31
- 229920000642 polymer Polymers 0.000 claims description 31
- 239000003208 petroleum Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 28
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 21
- 239000001856 Ethyl cellulose Substances 0.000 claims description 17
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 17
- 229920001249 ethyl cellulose Polymers 0.000 claims description 17
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 17
- 238000009835 boiling Methods 0.000 claims description 15
- 239000002775 capsule Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- 239000008096 xylene Substances 0.000 claims description 14
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- -1 Phloroglucine dihydrate Chemical class 0.000 claims description 7
- 239000003995 emulsifying agent Substances 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 238000001694 spray drying Methods 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 229960001553 phloroglucinol Drugs 0.000 claims description 4
- 235000017281 sodium acetate Nutrition 0.000 claims description 4
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000004490 capsule suspension Substances 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 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 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 239000002244 precipitate Substances 0.000 claims 2
- CUNWUEBNSZSNRX-RKGWDQTMSA-N (2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol;(z)-octadec-9-enoic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O CUNWUEBNSZSNRX-RKGWDQTMSA-N 0.000 claims 1
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims 1
- KHTHZPSSACTKQB-UHFFFAOYSA-N Cl.Cl.Cl.Cl.OCCO Chemical compound Cl.Cl.Cl.Cl.OCCO KHTHZPSSACTKQB-UHFFFAOYSA-N 0.000 claims 1
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 claims 1
- 239000004115 Sodium Silicate Substances 0.000 claims 1
- 239000013543 active substance Substances 0.000 claims 1
- 239000012670 alkaline solution Substances 0.000 claims 1
- 229940049964 oleate Drugs 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 claims 1
- 230000028327 secretion Effects 0.000 claims 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims 1
- 229910052911 sodium silicate Inorganic materials 0.000 claims 1
- 229960005078 sorbitan sesquioleate Drugs 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 4
- 229940068918 polyethylene glycol 400 Drugs 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000012954 diazonium Substances 0.000 description 2
- 150000001989 diazonium salts Chemical class 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000008384 inner phase Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- ZPWSKXDJLWXYSL-UHFFFAOYSA-L zinc;4-diazo-n,n-dimethylcyclohexa-1,5-dien-1-amine;dichloride Chemical compound [Cl-].[Cl-].[Zn+2].CN(C)C1=CCC(=[N+]=[N-])C=C1 ZPWSKXDJLWXYSL-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- 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
- B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/002—Photosensitive materials containing microcapsules
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/18—Diazo-type processes, e.g. thermal development, or agents therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
-
- 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
- Y10S101/00—Printing
- Y10S101/29—Printing involving a color-forming phenomenon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Color Printing (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1134160A | 1960-02-26 | 1960-02-26 | |
| US11286A US3173878A (en) | 1960-02-26 | 1960-02-26 | Process of making microcapsules |
| US11287A US3111407A (en) | 1960-02-26 | 1960-02-26 | Methods for making record materials |
| US3915060A | 1960-06-27 | 1960-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1209999B true DE1209999B (de) | 1966-02-03 |
Family
ID=27486076
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEJ19475A Pending DE1209999B (de) | 1960-02-26 | 1961-02-23 | Verfahren zur Herstellung von Mikrokapseln |
| DEJ20137A Pending DE1243643B (de) | 1960-02-26 | 1961-06-24 | Verfahren zur Herstellung von Mikrokapseln |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEJ20137A Pending DE1243643B (de) | 1960-02-26 | 1961-06-24 | Verfahren zur Herstellung von Mikrokapseln |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3111407A (en, 2012) |
| DE (2) | DE1209999B (en, 2012) |
| GB (2) | GB898668A (en, 2012) |
| IT (1) | IT631615A (en, 2012) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1234190B (de) * | 1960-03-09 | 1967-02-16 | Ncr Co | Verfahren zum Herstellen sehr kleiner Kapseln |
| DE2264074A1 (de) * | 1971-12-30 | 1973-07-19 | Toyo Jozo Kk | Herstellung von mikrokapseln |
| FR2418671A1 (fr) * | 1978-03-03 | 1979-09-28 | Kores Holding Zug Ag | Microcapsules pour materiaux d'ecriture et leur procede de preparation |
Families Citing this family (120)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3202510A (en) * | 1961-07-11 | 1965-08-24 | Frederick Post Co | Production of encapsulated light-sensitive diazotype compositions and coatings |
| BE622029A (en, 2012) * | 1961-09-18 | |||
| US3272629A (en) * | 1962-01-25 | 1966-09-13 | Nashua Corp | Photosensitive diazotype materials |
| NL287857A (en, 2012) * | 1962-01-27 | |||
| US3306747A (en) * | 1962-12-26 | 1967-02-28 | Polaroid Corp | Diffusion transfer product with microcapsules containing glycerin-water solutions |
| US3360371A (en) * | 1962-12-29 | 1967-12-26 | Keuffel & Esser Co | Heat-developable two-component diazotype reproduction material |
| US3405071A (en) * | 1963-12-30 | 1968-10-08 | Ibm | Process of making microcapsules |
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| US2299694A (en) * | 1940-03-09 | 1942-10-20 | Ncr Co | Manifolding material |
| US2802735A (en) * | 1946-10-08 | 1957-08-13 | Polaroid Corp | Photographic transfer process utilizing the reducing action of a developer for producing a colored photographic transfer image |
| US2600996A (en) * | 1946-10-08 | 1952-06-17 | Polaroid Corp | Photographic product comprising a light-sensitive diazonium compound, a coupler and a rupturable containing means holding ammonia under pressure |
| US2627459A (en) * | 1947-01-15 | 1953-02-03 | Polaroid Corp | Photographic film unit having a frangible fluid container therein |
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| US2800457A (en) * | 1953-06-30 | 1957-07-23 | Ncr Co | Oil-containing microscopic capsules and method of making them |
| DE1041980B (de) * | 1955-11-05 | 1958-10-30 | Pelikan Werke Wagner Guenther | Aufzeichnungs- und Vervielfaeltigungs-verfahren und UEbertragungsblatt hierfuer |
| US2939009A (en) * | 1956-02-01 | 1960-05-31 | Jack M Tien | Thermotransfer duplicating process |
| DE1073865B (de) * | 1956-03-22 | 1960-01-21 | The National Cash Register Company, Dayton, Ohio (V. St. A.) | Vervielfältigungsverfahren zur Herstellung von Druckabzügen von einer Matrize |
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- 1961-02-23 DE DEJ19475A patent/DE1209999B/de active Pending
- 1961-02-27 GB GB7051/61A patent/GB898668A/en not_active Expired
- 1961-05-30 GB GB19443/61A patent/GB984632A/en not_active Expired
- 1961-06-24 DE DEJ20137A patent/DE1243643B/de active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1234190B (de) * | 1960-03-09 | 1967-02-16 | Ncr Co | Verfahren zum Herstellen sehr kleiner Kapseln |
| DE2264074A1 (de) * | 1971-12-30 | 1973-07-19 | Toyo Jozo Kk | Herstellung von mikrokapseln |
| FR2418671A1 (fr) * | 1978-03-03 | 1979-09-28 | Kores Holding Zug Ag | Microcapsules pour materiaux d'ecriture et leur procede de preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| IT631615A (en, 2012) | |
| GB898668A (en) | 1962-06-14 |
| GB984632A (en) | 1965-03-03 |
| DE1243643B (de) | 1967-07-06 |
| US3111407A (en) | 1963-11-19 |
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