Disclosed herein is a capsule composition (1) comprising a matrix (2) and a plurality of capsules (3). Further, a method for producing such a capsule composition, a perfume vial comprising such a capsule composition and the use of such a perfume vial is disclosed.
Disclosed herein is a method for generating capsules with a solid matrix (7) as well as a capsule assembly comprising a plurality of capsules obtained by such a method. The method relies on temperature dependent step-emulsification of a droplet phase including a liquid hydrophobic matrix and a continuous aqueous phase.
Disclosed herein is a capsule gelation quenching unit for suspending capsule gelation, the capsule gelation quenching unit including a tubular column including a longitudinally arranged dispersion channel, wherein the dispersion channel is configured for transporting a dispersion of gelled capsules in a continuous phase along a longitudinal direction of the tubular column through the tubular column, and wherein the tubular column further includes a first mesh unit; a cross-flow fluid inlet unit, wherein the cross-flow fluid inlet unit is configured such that a cross-flow fluid can be introduced into the dispersion channel such that the introduced cross-flow fluid flows transversely to the longitudinal direction of the tubular column; and wherein the cross-flow fluid inlet unit is configured such that the cross-flow fluid flows through the first mesh unit.
Disclosed herein is a gelation device for gelling capsules. The gelation device includes a tubular column having a longitudinal axis extending along an axial direction of the tubular column a bottom portion and, a head portion. The bottom portion includes a first fluid inlet for introducing a dispersed phase into the tubular column and a second fluid inlet for introducing a continuous phase into the tubular column. The head portion includes a fluid outlet for removing gelled capsules from the tubular column and a stirring device being arranged inside the tubular column. The stirring device includes one or more stirring elements which each are longitudinally arranged inside the tubular column and which are each rotatable around the longitudinal axis of the tubular column and are configured to provide for a radial mixing of the dispersed phase and the continuous phase.
B01F 23/43 - Mixing liquids with liquidsEmulsifying using driven stirrers
B01F 27/116 - Stirrers shaped as cylinders, balls or rollers
B01F 27/95 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
B01F 33/81 - Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
B01F 35/33 - TransmissionsMeans for modifying the speed or direction of rotation
B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
Disclosed herein is a curing device (1) for generating and curing capsules, which comprises a tubular column (2), a bottom portion (5), a head portion (8) and a radial stirring device (10) being arranged inside the tubular column (2) and inside a stirring zone (4) of the tubular column (2). Furthermore, a capsule production unit and a method for generating and curing capsules is disclosed.
Disclosed herein is a method for generating capsules with a hydrogel matrix. The method includes the steps: providing in a first chamber a dispersed aqueous phase, the dispersed aqueous phase including water and a hydrogel matrix-forming agent, in which the hydrogel matrix-forming agent is configured to form a hydrogel matrix upon exposure to a gelation inducer; providing in a second chamber a continuous oil phase, the continuous oil phase including oil and at least one first surfactant. The first and second chambers are fluidic connected by one or more channels, preferably by micro-channels. The method further includes: guiding the dispersed aqueous phase from the first chamber through the one or more channels into the second chamber to form an emulsion or dispersion of the dispersed aqueous phase in the continuous oil phase and exposing the hydrogel matrix-forming agent to a gelation inducer to form capsules with a hydrogel matrix.
Disclosed herein is an assembly of capsules (6), in particular microcapsules. The assembly (6) comprises a plurality of capsules (1), in particular microcapsules, wherein each capsule comprises a liquid core and a water-insoluble matrix shell encasing the liquid core. The assembly further comprises a drying agent (4), wherein the majority by weight of the drying agent is outside the matrix shell of the capsules. Further disclosed are a method for drying capsules. The method comprises providing a wet raw composition comprising water and a plurality of capsules (1), in particular microcapsules, wherein each capsule comprises a liquid core and a water-insoluble matrix shell encasing the liquid core. The method further comprises treating the wet raw composition with a drying composition at a temperature of less than 60 °C, wherein the drying composition comprises a drying agent (4).
B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
A23P 10/43 - Making free-flowing powder or instant powder, i.e. powder which is reconstituted rapidly when liquid is added using anti-caking agents or agents improving flowability, added during or after formation of the powder
A method for generating capsules includes: a. providing in a first chamber a dispersed phase, the dispersed phase including a solution including a first solvent and a matrix-forming agent, the matrix-forming agent is a solid in its pure state and the first solvent and the matrix-forming agent are configured such that the matrix-forming agent is soluble in the first solvent; and b. providing in a second chamber a continuous phase, the continuous phase including a second solvent. The first and second chambers are fluidic connected by channel(s). The method further includes: c. guiding the dispersed phase from the first chamber through the channel(s) into the second chamber to form an emulsion or a dispersion including a plurality of droplets of the dispersed phase, in the continuous phase; and d. removing the first solvent from the droplets of the dispersed phase and solidifying the matrix-forming agent to form a capsule.
Disclosed is a method for generating capsules with a matrix shell encasing an oil core. The method includes: providing in a first chamber a core-forming emulsion of an aqueous dispersed phase in an oil phase including water and a dissolved gelation-inducing agent, and a first surfactant; providing in a second chamber a second aqueous solution including water and a second surfactant; wherein the first chamber and the second chamber are fluidically connected by one or more channels; guiding the core-forming emulsion from the first chamber through the channel(s) into the second chamber to form a dispersion of the core-forming emulsion in the aqueous solution; mixing the dispersion with an aqueous shell-forming solution including water and a water soluble matrix-forming agent; and reacting the gelation-inducing agent and the matrix-forming agent in the formed dispersion to form capsules of a water insoluble matrix shell encasing an oil core.
A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
A23P 20/20 - Making of laminated, multi-layered, stuffed or hollow foodstuffs, e.g. by wrapping in preformed edible dough sheets or in edible food containers
Disclosed herein is a method for generating capsules with a solid matrix (7) as well as a capsule assembly comprising a plurality of capsules obtained by such a method. The method relies on temperature dependent step-emulsification of a droplet phase including a liquid hydrophobic matrix and a continuous aqueous phase.
B01F 23/451 - Mixing liquids with liquidsEmulsifying using flow mixing by injecting one liquid into another
B01F 25/314 - Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
Disclosed herein is a gelation device (1) for gelling capsules, the gelation device comprising: a tubular column (2) having a longitudinal axis extending along an axial direction of the tubular column (2); a bottom portion (3) and a head portion (4), wherein the bottom portion (3) comprises a first fluid inlet (31) for introducing a dispersed phase into the tubular column (2) and a second fluid inlet (32) for introducing a continuous phase into the tubular column (2), and wherein the head portion (4) comprises a fluid outlet (41) for removing gelled capsules from the tubular column (2); a stirring device (5) being arranged inside the tubular column (2), the stirring device (5) comprising one or more stirring elements (51, 52, 53) which each are longitudinally arranged inside the tubular column (2) and which are each rotatable around the longitudinal axis of the tubular column (2) and are configured to provide for a radial mixing of the dispersed phase and the continuous phase. (Figure 1b)
B01F 23/43 - Mixing liquids with liquidsEmulsifying using driven stirrers
B01F 27/95 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
B01F 27/116 - Stirrers shaped as cylinders, balls or rollers
B01F 35/33 - TransmissionsMeans for modifying the speed or direction of rotation
B01F 33/81 - Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
B01J 13/02 - Making microcapsules or microballoons
Disclosed herein is a capsule gelation quenching unit (1) for suspending capsule gelation, the capsule gelation quenching unit comprising: a tubular column (2) comprising a longitudinally arranged dispersion channel (3), wherein the dispersion channel (3) is configured for transporting a dispersion of gelled capsules in a continuous phase along a longitudinal direction (LO) of the tubular column (2) through the tubular column (2), and wherein the tubular column (2) further comprises a first mesh unit (4); a cross-flow fluid inlet unit (5), wherein the cross-flow fluid inlet unit (5) is configured such that a cross-flow fluid can be introduced into the dispersion channel (3) such that the introduced cross-flow fluid flows transversely to the longitudinal direction (LO) of the tubular column (2); and wherein the cross-flow fluid inlet unit (5) is configured such that the cross-flow fluid flows through the first mesh unit (4).
A device for generating a dispersion of a first phase in a second phase includes a first inlet opening into a first chamber and being configured to supply a first phase and a second inlet opening into a second chamber and being configured to supply a second phase. A dispersion outlet is configured to collect the dispersion of the first phase in the second phase. A membrane separates the first and second chamber. The membrane includes a first side facing the first chamber and a second side facing the second chamber. Multiple channels extending from the first side to the second side of the membrane are configured to provide a fluidic connection between the first and second chamber. Each channel includes a channel inlet arranged on the first side of the membrane and a channel outlet arranged on the second side of the membrane.
Disclosed herein is a method for generating capsules, particularly microcapsules, the method comprising the steps: a. Providing in a first chamber a dispersed phase, the dispersed phase comprising a solution comprising a first solvent and a matrix-forming agent, wherein the matrix-forming agent is a solid in its pure state and wherein the first solvent and the matrix-forming agent are configured such that the matrix-forming agent is soluble in the first solvent; b. Providing in a second chamber a continuous phase, the continuous phase comprising a second solvent; wherein the first chamber and the second chamber are fluidic connected by one or more channels, particularly by micro-channels; the method further comprising: c. Guiding the dispersed phase from the first chamber through the one or more channels into the second chamber to form an emulsion or a dispersion comprising a plurality of droplets, particularly microdroplets, of the dispersed phase, in the continuous phase; d. Removing the first solvent from the droplets of the dispersed phase and solidifying the matrix-forming agent to form a capsule, preferably microcapsule.
Disclosed herein is a method for generating capsules with a hydrogel matrix, the method comprising the steps: Providing in a first chamber (4) a dispersed aqueous phase, the dispersed aqueous phase comprising water and a hydrogel matrix-forming agent, wherein the hydrogel matrix-forming agent is configured to form a hydrogel matrix upon exposure to a gelation inducer; Providing in a second chamber (5) a continuous oil phase, the continuous oil phase comprising oil and at least one first surfactant; wherein the first chamber and the second chamber are fluidic connected by one or more channels (10), preferably by micro-channels; the method further comprising: Guiding the dispersed aqueous phase from the first chamber (4) through the one or more channels (10) into the second chamber (5) to form an emulsion or dispersion of the dispersed aqueous phase in the continuous oil phase; Exposing the hydrogel matrix-forming agent to a gelation inducer to form capsules with a hydrogel matrix.
Disclosed is a method for generating capsules with a matrix shell encasing an oil core, the method comprising the steps: Providing in a first chamber a core-forming emulsion of an aqueous dispersed phase in an oil phase, the aqueous dispersed phase comprising water and a dissolved gelation-inducing agent, the emulsion further comprising a first surfactant; Providing in a second chamber a second aqueous solution, the aqueous solution comprising water and a second surfactant; wherein the first chamber and the second chamber are fluidic connected by one or more channels, preferably by micro-channels; Guiding the core-forming emulsion of step a. from the first chamber through the one or more channels into the second chamber to form a dispersion of the core-forming emulsion in the aqueous solution of step; Mixing the formed dispersion with an aqueous shell-forming solution, the aqueous shell-forming solution comprising water and a water soluble matrix-forming agent; wherein the gelation-inducing agent and the matrix-forming agent are configured such that they are capable of undergoing a chemical reaction with each other to form a water insoluble matrix shell; Reacting the gelation-inducing agent and the matrix-forming agent in the formed dispersion to form capsules of a water insoluble matrix shell encasing an oil core.
Disclosed herein is a device (1) for generating a dispersion of a first phase in a second phase, the device comprising a first inlet (2) for supplying a first phase, which opens into a first chamber (4), a second inlet for supplying a second phase, opening into a second chamber and a dispersion outlet (6) for collecting the dispersion. Furthermore, the device comprises a membrane (7), which separates the first chamber (4) and the second chamber (5) and which comprises a first side (8) facing the first chamber (4) and a second side (9) facing the second chamber (5). The membrane (7) comprises multiple channels (10) extending from the first side (8) to the second side (9), providing a fluidic connection between the first chamber (4) and the second chamber (5). Each channel (10) comprises a channel inlet (11) arranged on the first side (8) and a channel outlet 812) arranged on the second side (9). The first chamber (4) is typically configured such that a flow rate of the first phase through all of the individual channels (10) is essentially equal.
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