NO811164L - Fremgangsmaate for fremstilling av mikrokapsler. - Google Patents
Fremgangsmaate for fremstilling av mikrokapsler.Info
- Publication number
- NO811164L NO811164L NO811164A NO811164A NO811164L NO 811164 L NO811164 L NO 811164L NO 811164 A NO811164 A NO 811164A NO 811164 A NO811164 A NO 811164A NO 811164 L NO811164 L NO 811164L
- Authority
- NO
- Norway
- Prior art keywords
- dispersion
- precondensate
- mixture
- polymer
- microcapsules
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 58
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000006185 dispersion Substances 0.000 claims description 103
- 239000003094 microcapsule Substances 0.000 claims description 88
- 239000000463 material Substances 0.000 claims description 50
- 229920000642 polymer Polymers 0.000 claims description 42
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 claims description 39
- 229920000877 Melamine resin Polymers 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 14
- 230000002378 acidificating effect Effects 0.000 claims description 10
- 239000012736 aqueous medium Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 8
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 7
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 229920003169 water-soluble polymer Polymers 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 5
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 4
- 238000006482 condensation reaction Methods 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 238000007171 acid catalysis Methods 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 3
- 229920000615 alginic acid Polymers 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical group SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 229940072056 alginate Drugs 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 150000002466 imines Chemical class 0.000 claims description 2
- 239000002609 medium Substances 0.000 claims description 2
- 235000019426 modified starch Nutrition 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- 150000003573 thiols Chemical class 0.000 claims description 2
- 239000000230 xanthan gum Substances 0.000 claims description 2
- 235000010493 xanthan gum Nutrition 0.000 claims description 2
- 229920001285 xanthan gum Polymers 0.000 claims description 2
- 229940082509 xanthan gum Drugs 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 79
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 61
- 239000000243 solution Substances 0.000 description 54
- 239000008367 deionised water Substances 0.000 description 43
- 229910021641 deionized water Inorganic materials 0.000 description 43
- 239000007787 solid Substances 0.000 description 37
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000000725 suspension Substances 0.000 description 32
- 239000012071 phase Substances 0.000 description 29
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 18
- 239000008384 inner phase Substances 0.000 description 16
- 229920001577 copolymer Polymers 0.000 description 14
- 238000005538 encapsulation Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000002209 hydrophobic effect Effects 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 235000019270 ammonium chloride Nutrition 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 6
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 5
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 4
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 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 4
- 239000012188 paraffin wax Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- -1 organic acid salts Chemical class 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 229940035658 visco-gel Drugs 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 125000005498 phthalate group Chemical class 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 229940005550 sodium alginate Drugs 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 150000001911 terphenyls Chemical class 0.000 description 2
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 1
- JQCVPZXMGXKNOD-UHFFFAOYSA-N 1,2-dibenzylbenzene Chemical class C=1C=CC=C(CC=2C=CC=CC=2)C=1CC1=CC=CC=C1 JQCVPZXMGXKNOD-UHFFFAOYSA-N 0.000 description 1
- FQTFRQGCMXFYGR-UHFFFAOYSA-N 2-[[2-(2-octanoyloxyethylamino)-2-sulfanylideneethanethioyl]amino]ethyl octanoate Chemical compound CCCCCCCC(=O)OCCNC(=S)C(=S)NCCOC(=O)CCCCCCC FQTFRQGCMXFYGR-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- RYUJRXVZSJCHDZ-UHFFFAOYSA-N 8-methylnonyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC(C)C)OC1=CC=CC=C1 RYUJRXVZSJCHDZ-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical class F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DUFKCOQISQKSAV-UHFFFAOYSA-N Polypropylene glycol (m w 1,200-3,000) Chemical compound CC(O)COC(C)CO DUFKCOQISQKSAV-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical class OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 229920006320 anionic starch Polymers 0.000 description 1
- 150000004982 aromatic amines Chemical group 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- XOVJAYNMQDTIJD-UHFFFAOYSA-N cyclopentobarbital Chemical compound C1CC=CC1C1(CC=C)C(=O)NC(=O)NC1=O XOVJAYNMQDTIJD-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- OAEGRYMCJYIXQT-UHFFFAOYSA-N dithiooxamide Chemical class NC(=S)C(N)=S OAEGRYMCJYIXQT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical class C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- KNRMURHAZMNRGD-UHFFFAOYSA-N n,n'-dibenzylethanedithioamide Chemical compound C=1C=CC=CC=1CNC(=S)C(=S)NCC1=CC=CC=C1 KNRMURHAZMNRGD-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 125000005506 phthalide group Chemical class 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
- Y10T428/249995—Constituent is in liquid form
- Y10T428/249997—Encapsulated liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Color Printing (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8011461 | 1980-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO811164L true NO811164L (no) | 1981-10-09 |
Family
ID=10512630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO811164A NO811164L (no) | 1980-04-08 | 1981-04-03 | Fremgangsmaate for fremstilling av mikrokapsler. |
Country Status (23)
Families Citing this family (104)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454083A (en) * | 1981-12-21 | 1984-06-12 | Appleton Papers Inc. | Continuous microencapsulation |
| US4561981A (en) * | 1984-01-27 | 1985-12-31 | Characklis William G | Treatment of fouling with microcapsules |
| DE3545803C2 (de) * | 1984-12-24 | 1991-02-14 | Papierfabrik August Koehler AG, 7602 Oberkirch | Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern, danach hergestellte Mikrokapseln und deren Verwendung in Farbreaktionsaufzeichnungssystemen |
| DE3447298C1 (de) * | 1984-12-24 | 1986-04-24 | Papierfabrik August Koehler AG, 7602 Oberkirch | Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern und danach hergestellte Mikrokapseln |
| US5089339A (en) * | 1984-12-24 | 1992-02-18 | Pietsch Guenter | Aminoplast microencapsulation system |
| US4594370A (en) * | 1985-03-29 | 1986-06-10 | The Mead Corporation | Amine-formaldehyde microencapsulation process |
| US4822769A (en) * | 1985-06-12 | 1989-04-18 | Nashua Corporation | High solids content coated back paper |
| DE3532878A1 (de) * | 1985-09-14 | 1987-03-26 | Basf Ag | Kontinuierliches verfahren zur herstellung von mikrokapseln mit waenden aus melamin-formaldehydkondensaten in waessriger dispersion |
| US4690825A (en) * | 1985-10-04 | 1987-09-01 | Advanced Polymer Systems, Inc. | Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen |
| DE3709586C1 (de) * | 1987-03-24 | 1988-07-14 | Koehler August Papierfab | Verfahren zur Mikroverkapselung von hydrophoben OElen,die danach erhaeltlichen Mikrokapseln und deren Verwendung |
| JPS63268777A (ja) * | 1987-04-25 | 1988-11-07 | Kanzaki Paper Mfg Co Ltd | マイクロカプセルインキ組成物 |
| US4766176A (en) * | 1987-07-20 | 1988-08-23 | Dow Corning Corporation | Storage stable heat curable organosiloxane compositions containing microencapsulated platinum-containing catalysts |
| ES2017536T5 (es) * | 1987-12-21 | 1995-08-01 | Koehler August Papierfab | Procedimiento para la fabricacion de microcapsulas, microcapsulas obtenidas y su utilizacion. |
| US5112541A (en) * | 1988-01-29 | 1992-05-12 | Idemitsu Kosan Company, Ltd. | Microencapsulated lubricating fluids and additives and method of making same |
| US5079005A (en) * | 1988-06-17 | 1992-01-07 | Gupta Kashmiri L | Time release protein |
| US5055300A (en) * | 1988-06-17 | 1991-10-08 | Basic Bio Systems, Inc. | Time release protein |
| US5023080A (en) * | 1988-06-17 | 1991-06-11 | Basic Bio Systems, Inc. | Time release protein |
| US5011885A (en) * | 1989-10-27 | 1991-04-30 | The Mead Corporation | Methods for the production of microcapsules using functionalized isocyanate |
| DE3942155C1 (US20110009641A1-20110113-C00256.png) * | 1989-12-20 | 1991-03-21 | Papierfabrik August Koehler Ag, 7602 Oberkirch, De | |
| US5180637A (en) * | 1990-11-02 | 1993-01-19 | Sakura Color Products Corporation | Double-walled microcapsules and a process for preparation of same |
| US5204185A (en) * | 1990-12-11 | 1993-04-20 | The Standard Register Company | Microencapsulation process using melamine-formaldehyde and microcapsules produced thereby |
| CA2080424A1 (en) * | 1991-10-25 | 1993-04-26 | Jerry Moy | Microcapsules containing inorganic colloids and method for making the same |
| DE69320031T2 (de) * | 1992-03-06 | 1999-03-18 | Nashua Corp | Xerographisch benutzbarer durchschreibsatz |
| EP0573210B2 (en) * | 1992-06-04 | 2005-11-23 | Arjo Wiggins Limited | Pressure-sensitive record material |
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- 1981-03-24 US US06/247,150 patent/US4396670A/en not_active Expired - Lifetime
- 1981-03-24 NZ NZ19660181A patent/NZ196601A/xx unknown
- 1981-03-24 AU AU68693/81A patent/AU539624B2/en not_active Ceased
- 1981-03-24 ZA ZA00811973A patent/ZA811973B/xx unknown
- 1981-03-27 CA CA000374007A patent/CA1153635A/en not_active Expired
- 1981-03-31 SE SE8102051A patent/SE454651B/sv not_active IP Right Cessation
- 1981-04-02 PT PT7279181A patent/PT72791B/pt unknown
- 1981-04-03 BR BR8102014A patent/BR8102014A/pt unknown
- 1981-04-03 NO NO811164A patent/NO811164L/no unknown
- 1981-04-03 FI FI811041A patent/FI71235C/fi not_active IP Right Cessation
- 1981-04-03 NL NL8101684A patent/NL8101684A/nl not_active Application Discontinuation
- 1981-04-06 IT IT2094781A patent/IT1200580B/it active
- 1981-04-06 AT AT159381A patent/AT382796B/de not_active IP Right Cessation
- 1981-04-06 BE BE0/204386A patent/BE888297A/fr not_active IP Right Cessation
- 1981-04-06 GR GR64592A patent/GR75211B/el unknown
- 1981-04-07 DE DE3114035A patent/DE3114035A1/de active Granted
- 1981-04-07 FR FR8106943A patent/FR2479835A1/fr active Granted
- 1981-04-07 ES ES501139A patent/ES8202491A1/es not_active Expired
- 1981-04-07 DK DK156781A patent/DK156781A/da not_active IP Right Cessation
- 1981-04-07 LU LU83287A patent/LU83287A1/fr unknown
- 1981-04-08 CH CH2371/81A patent/CH649228A5/de not_active IP Right Cessation
- 1981-04-08 JP JP5287881A patent/JPS56155636A/ja active Granted
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1984
- 1984-08-30 HK HK68284A patent/HK68284A/xx not_active IP Right Cessation
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