CH458295A - Procédé de fabrication de microcapsules - Google Patents

Procédé de fabrication de microcapsules

Info

Publication number: CH458295A
Authority: CH; Switzerland
Prior art keywords: phase; temperature; wall; vehicle; polymer
Prior art date: 1964-12-03

Application number

CH1659065A

Other languages

English (en)

French (fr)

Original Assignee

Ncr Co

Priority date (The priority date 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 date listed.)

1964-12-03

Filing date

1965-12-01

Publication date

1968-06-30

1965-12-01 Application filed by Ncr Co filed Critical Ncr Co

1968-06-30 Publication of CH458295A publication Critical patent/CH458295A/fr

Links

239000003094 microcapsule Substances 0.000 title claims description 6
238000004519 manufacturing process Methods 0.000 title claims description 4
239000000126 substance Substances 0.000 claims description 34
229920000642 polymer Polymers 0.000 claims description 32
239000011162 core material Substances 0.000 claims description 28
238000000034 method Methods 0.000 claims description 21
239000002775 capsule Substances 0.000 claims description 16
239000007788 liquid Substances 0.000 claims description 12
230000008569 process Effects 0.000 claims description 11
238000000926 separation method Methods 0.000 claims description 9
230000003247 decreasing effect Effects 0.000 claims description 7
229920000867 polyelectrolyte Polymers 0.000 claims description 6
238000009736 wetting Methods 0.000 claims description 6
230000015572 biosynthetic process Effects 0.000 claims description 5
230000008014 freezing Effects 0.000 claims description 4
238000007710 freezing Methods 0.000 claims description 4
238000005354 coacervation Methods 0.000 claims description 3
239000006193 liquid solution Substances 0.000 claims description 3
230000001747 exhibiting effect Effects 0.000 claims description 2
238000012423 maintenance Methods 0.000 claims description 2
239000000243 solution Substances 0.000 description 23
239000012071 phase Substances 0.000 description 21
239000002904 solvent Substances 0.000 description 16
239000000463 material Substances 0.000 description 10
238000010438 heat treatment Methods 0.000 description 4
238000013019 agitation Methods 0.000 description 3
230000000295 complement effect Effects 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
230000009471 action Effects 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
239000001768 carboxy methyl cellulose Substances 0.000 description 2
235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
239000008112 carboxymethyl-cellulose Substances 0.000 description 2
229940105329 carboxymethylcellulose Drugs 0.000 description 2
230000008021 deposition Effects 0.000 description 2
230000002209 hydrophobic effect Effects 0.000 description 2
229920000609 methyl cellulose Polymers 0.000 description 2
239000001923 methylcellulose Substances 0.000 description 2
235000010981 methylcellulose Nutrition 0.000 description 2
229960002900 methylcellulose Drugs 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000009257 reactivity Effects 0.000 description 2
238000003756 stirring Methods 0.000 description 2
VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
244000215068 Acacia senegal Species 0.000 description 1
239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 1
229920000084 Gum arabic Polymers 0.000 description 1
235000019501 Lemon oil Nutrition 0.000 description 1
239000000205 acacia gum Substances 0.000 description 1
235000010489 acacia gum Nutrition 0.000 description 1
DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
239000000975 dye Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005538 encapsulation Methods 0.000 description 1
235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000003350 kerosene Substances 0.000 description 1
150000002605 large molecules Chemical class 0.000 description 1
239000010501 lemon oil Substances 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
229920002521 macromolecule Polymers 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
239000000049 pigment Substances 0.000 description 1
239000002798 polar solvent Substances 0.000 description 1
229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
239000005518 polymer electrolyte Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
150000003384 small molecules Chemical class 0.000 description 1
235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
235000002639 sodium chloride Nutrition 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000006228 supernatant Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Manufacturing Of Micro-Capsules (AREA)

CH1659065A 1964-12-03 1965-12-01 Procédé de fabrication de microcapsules CH458295A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US41580964A	1964-12-03	1964-12-03

Publications (1)

Publication Number	Publication Date
CH458295A true CH458295A (fr)	1968-06-30

Family

ID=23647287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1659065A CH458295A (fr)	1964-12-03	1965-12-01	Procédé de fabrication de microcapsules

Country Status (5)

Country	Link
AT (1)	AT275476B (de)
BE (1)	BE673110A (de)
CH (1)	CH458295A (de)
NO (1)	NO126661B (de)
SE (1)	SE311509B (de)

1965
- 1965-11-22 BE BE673110D patent/BE673110A/xx unknown
- 1965-11-30 NO NO16070665A patent/NO126661B/no unknown
- 1965-12-01 SE SE1554565A patent/SE311509B/xx unknown
- 1965-12-01 CH CH1659065A patent/CH458295A/fr unknown
- 1965-12-03 AT AT1087465A patent/AT275476B/de active

Also Published As

Publication number	Publication date
BE673110A (de)	1966-03-16
AT275476B (de)	1969-10-27
NO126661B (de)	1973-03-12
SE311509B (de)	1969-06-16

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