CN104383860B - A kind of microcapsules droplet generator and preparation method thereof - Google Patents
A kind of microcapsules droplet generator and preparation method thereof Download PDFInfo
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- CN104383860B CN104383860B CN201410668112.4A CN201410668112A CN104383860B CN 104383860 B CN104383860 B CN 104383860B CN 201410668112 A CN201410668112 A CN 201410668112A CN 104383860 B CN104383860 B CN 104383860B
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- high pressure
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- 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
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- 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
- B01J13/025—Applications of microcapsules not provided for in other subclasses
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- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
A kind of microcapsules droplet generator, mainly connected and composed by three glass capillaries (1), (2), (3) and two stainless steels high pressure T-shaped threeway (4), (5), described connection refers to coaxially be fixed three glass capillaries (1) by two stainless steels high pressure T-shaped threeway (4) and (5), and (3) (2), with silicone tube (11), (12) seal.The microfluidic structures producing microcapsules that the present invention builds based on glass capillary and T-shaped high pressure connection, the glass capillary structure focused flow generation microcapsules different by three diameters, T junction not only acts as fixing and sealing function, also forms microfluidic inlet channel.Due to the fixation of T junction, the capillary that diameter is thinner is coaxially fixed in the capillary that diameter is thicker, in single armed stationary state.The present invention utilizes existing commercially produced product glass capillary and T-shaped three-way connection to build microfluid droplet generator, produces microcapsules.
Description
Technical field
The invention belongs to micro-fluidic technologies field, particularly to a kind of microcapsules droplet generator and its preparation method and application.
Background technology
Paraffin has good hot physical property, is widely used in phase-change accumulation energy field.In order to solve in phase transition process, liquid
The leakage problem of paraffin, generally uses microcapsules technology to be wrapped in the material that fusing point is higher by phase-change material.Traditional microcapsules
The capsule finished product rate that manufacturing technology produces is low, and parcel amount is uncontrollable.
Summary of the invention
In order to solve the problems referred to above that prior art exists, it is an object of the invention to utilize microfluid drop formation technology to prepare phase
Become microcapsules.The material commercialization that the present invention uses, it is simple to large-scale production, builds microfluidic channel with glass, reduces fluid
Dielectric viscosity and the requirement of surface property, seal with silicone tube, and pliability and sealing are preferable, and energy pressure-bearing is difficult to reveal.
Techniques below scheme is for solving above-mentioned goal of the invention:
A kind of microcapsules droplet generator, this microcapsules droplet generator is by three glass capillaries (1), (2), (3) and two
Individual stainless steel high pressure T-shaped threeway (4), (5) connect and compose, and with silicone tube (11), (12) seal.
A kind of microcapsules droplet generator as mentioned, wherein said connection refers to by two stainless steels high pressure T-shaped threeway (4)
(5) three glass capillaries (1), (2) and (3) are coaxially fixed.
A kind of microcapsules droplet generator as mentioned, this microcapsules droplet generator is prepared by following method: by diameter
Glass capillary (1) two ends thicker for 0.7-1.5mm put the silicone tube (8) of certain length, then at glass capillary two ends
Loading onto high pressure T-shaped threeway (4) and (5), fit sealing, high pressure T-shaped threeway main channel is coaxial with glass capillary；Respectively
Contraction mouth (9) and (10) are processed in one end of two glass capillaries thinner for diameter 0.3-1.2mm (2) and (3),
Again by two glass capillaries contraction mouth end (9) and (10) respectively from another the two of two high pressure T-shaped threeway (4) and (5)
Side is inserted in glass capillary (1) respectively, and with silicone tube (11), (12) seal；Glass capillary contraction mouth end (9) and
(10) two-port distance is less than 1mm, and adjustable；Collateral (6) of two T-shaped threeways and (7) connect respectively flexible pipe or
Metal tube is as input continuous fluid entrance (15), case material entrance (14)；Three imports so formed are core material
Entrance (13), case material entrance (14), input continuous fluid entrance (15), export as (16)；The drop that will assemble
The metallic support that generator heat conductivility is good is installed fixing, and support is installed auxiliary heater, and bracket base installs main heating
Device, for heating paraffin wax holding vessel, puts into incubator by whole support.
The present invention additionally provides the preparation method of described a kind of microcapsules droplet generator simultaneously: by the hair of diameter 0.7-1.5mm
Thin glass tube (1) two ends put the silicone tube (8) of certain length, then load onto high pressure T-shaped threeway at glass capillary two ends
(4) and (5), fit sealing, high pressure T-shaped threeway main channel is coaxial with glass capillary；Respectively by two diameter 0.3-1.2mm
Glass capillary (2) and the one end of (3) be processed into contraction mouth (9) and (10), then by two glass capillary contraction mouths
End (9) and (10) inserts glass capillary (1) respectively from the another both sides of two high pressure T-shaped threeway (4) and (5) respectively
In, with silicone tube (11), (12) seal；Glass capillary contraction mouth end (9) and (10) two-port distance less than 1mm,
And it is adjustable.
The preparation method of a kind of microcapsules droplet generator, three imports that wherein said method is formed are core material
Entrance (13), case material entrance (14), input continuous fluid entrance (15), export as (16).
A kind of preparation method of microcapsules droplet generator, the microcapsules liquid that wherein said method will assemble further
Dripping the good metallic support of generator heat conductivility and install fixing, support is installed auxiliary heater, bracket base installs main adding
Hot device, for heating paraffin wax holding vessel, puts into incubator by whole support.
A kind of preparation method of microcapsules droplet generator, the wherein said capillary glass in microcapsules droplet generator
Glass pipe coaxial configuration, the T-shaped threeway of high pressure builds coaxial flow and generates core drop and focused flow generation capsule drop, and continuous fluid exists
Under the impetus of dynamical system, enter main channel from the collateral entrance (15) of the T-shaped threeway of high pressure (4), along capillary glass
Lateral high pressure T-shaped threeway (5) the direction flowing of pipe (3)；Shell fluid is under the effect of dynamical system, from high pressure T
The collateral entrance (14) of type threeway (5) enters main channel, along the T-shaped threeway of the lateral high pressure (1) of glass capillary (3)
Flow in direction；Core body fluid under the effect of dynamical system in glass capillary (3) to the direction of the T-shaped threeway of high pressure (4)
Flowing；Core material flows at entrance (13) place of glass capillary (2), outlet (9) place, cutting in shell fluid
Under the effect of shear force, form droplet and enter in case material；Collateral (6) of two T-shaped threeways of high pressure and (7) connect respectively
Flexible pipe or metal tube are as input continuous fluid entrance (15), case material entrance (14)；Case material is carried core material secretly and is existed
Meet with continuous fluid in glass capillary (3), in geometry (10) place enters glass capillary (3), at fluid
Extruding under formed drop capsule, with continuous fluid flow out.
Present invention also offers the application in producing microcapsules of the described a kind of microcapsules droplet generator.
The application in producing microcapsules of a kind of microcapsules droplet generator, the wherein hair in microcapsules droplet generator
Thin glass tube coaxial configuration, the T-shaped threeway of high pressure builds coaxial flow and generates core drop and focused flow generation capsule drop, flows continuously
Body, under the impetus of dynamical system, enters main channel from the collateral entrance (15) of the T-shaped threeway of high pressure (4), along capillary
Lateral high pressure T-shaped threeway (5) the direction flowing of glass tube (3)；Shell fluid is under the effect of dynamical system, from high pressure
The collateral entrance (14) of T-shaped threeway (5) enters main channel, along the T-shaped threeway of the lateral high pressure (1) of glass capillary (3)
Flow in direction；Core body fluid under the effect of dynamical system in glass capillary (3) to the direction of the T-shaped threeway of high pressure (4)
Flowing；Core material flows at entrance (13) place of glass capillary (2), outlet (9) place, cutting in shell fluid
Under the effect of shear force, form droplet and enter in case material；Collateral (6) of two T-shaped threeways of high pressure and (7) connect respectively
Flexible pipe or metal tube are as input continuous fluid entrance (15), case material entrance (14)；Case material is carried core material secretly and is existed
Meet with continuous fluid in glass capillary (3), in geometry (10) place enters glass capillary (3), at fluid
Extruding under formed drop capsule, with continuous fluid flow out, obtain microcapsules.
The technique scheme of the present invention is to be proposed based on following principle: paraffin is many in solid-state at normal temperatures, microfluid skill
Medium used by art requirement is in a liquid state, so, equipment involved in the present invention all runs under isoperibol.In order to make equipment have
Versatility, the present invention is had to use existing business-like industrial component to build droplet generator.Droplet generator is by glass capillary
Constitute with stainless steel high pressure T-shaped threeway.Capillary glass tube is connected with stainless steel threeway, seals with silicone tube.Glass tube is easy to break
Frangible, fix droplet generator with support.
Accompanying drawing explanation
Fig. 1 is microcapsules droplet generator structural representation of the present invention；
Fig. 2 is microcapsules drop generator device of the present invention；
Fig. 3 is that microcapsules droplet generator of the present invention produces microcapsules device.
Detailed description of the invention
Below in conjunction with the accompanying drawings, further illustrate the essentiality content of the present invention with embodiments of the invention, but do not limit with this
Determine the present invention.
Embodiment 1
Microcapsules droplet generator of the present invention, as it is shown in figure 1, main by three glass capillaries (1), (2), (3) and two
Individual stainless steel high pressure T-shaped threeway (4), (5) connect and compose, and described connection refers to by two stainless steels high pressure T-shaped threeway (4)
(5) coaxially fixing three glass capillaries (1), (2) and (3), with silicone tube (11), (12) seal.
This microcapsules droplet generator is prepared by following method: by glass capillary (1) thicker for diameter 0.7-1.5mm
Two ends put the silicone tube (8) of certain length, then load onto high pressure T-shaped threeway (4) and (5) at glass capillary two ends,
Fit sealing, high pressure T-shaped threeway main channel is coaxial with glass capillary；Respectively by two capillarys thinner for diameter 0.3-1.2mm
Contraction mouth (9) and (10) are processed in one end of glass tube (2) and (3), then by two glass capillaries contraction mouth end (9)
(10) another both sides from two high pressure T-shaped threeway (4) and (5) are inserted glass capillary (1) respectively respectively, use
Silicone tube (11), (12) seal；Glass capillary contraction mouth end (9) and (10) two-port distance, and can less than 1mm
Adjust；Collateral (6) of two T-shaped threeways and (7) connect respectively flexible pipe or metal tube as input continuous fluid entrance (15),
Case material entrance (14)；Three imports so formed are core material entrance (13), and case material entrance (14) is defeated
Enter continuous fluid entrance (15), export as (16)；By metallic support peace good for the droplet generator heat conductivility assembled
Dress is fixing, and support is installed auxiliary heater, and bracket base installs primary heater, for heating paraffin wax holding vessel, by whole
Incubator put into by frame.
Due to capillary glass tube frangibility, the droplet generator support assembled is installed fixing.Support heat conductivility is good
Metal prepare.Auxiliary heater is installed on support.Bracket base installs primary heater, for heating paraffin wax holding vessel.By whole
Incubator put into by individual support.
Three capillary glass tube coaxial configurations of feature of present invention, the T-shaped threeway of high pressure builds coaxial flow and generates core drop and focused flow
Generate capsule drop.Continuous fluid is under the impetus of dynamical system, from the collateral entrance (15) of the T-shaped threeway of high pressure (4)
Entering main channel, flows in lateral high pressure T-shaped threeway (5) direction along glass capillary (3)；Shell fluid is at dynamical system
Under the effect of system, enter main channel from the collateral entrance (14) of the T-shaped threeway of high pressure (5), outside glass capillary (3)
The flowing of lateral high pressure T-shaped threeway (1) direction；Core body fluid under the effect of dynamical system in glass capillary (3) to height
Flow in the direction pressing T-shaped threeway (4)；Core material flows at entrance (13) place of glass capillary (2), in outlet (9)
Place, under the effect of the shearing force of shell fluid, forms droplet and enters in case material；Collateral (6) of two T-shaped threeways of high pressure
(7) flexible pipe or metal tube are connected respectively as input continuous fluid entrance (15), case material entrance (14)；Housing material
Feed collet band core material meets with continuous fluid in glass capillary (3), enters capillary glass at geometry (10) place
In pipe (3), under the extruding of fluid, form drop capsule, flow out with continuous fluid, obtain microcapsules.
The present invention utilizes existing commercially produced product glass capillary and high pressure T-shaped three-way connection to build microfluid droplet generator,
Produce microcapsules.Advantages of the present invention: material commercialization, it is simple to large-scale production；Building microfluidic channel with glass, it is right to reduce
Fluid media (medium) viscosity and the requirement of surface property；Sealing with silicone tube, pliability and sealing are preferable, and energy pressure-bearing is difficult to reveal.
Claims (2)
1. a microcapsules droplet generator, it is characterised in that: this microcapsules droplet generator is mainly by first capillary glass
Pipe (1), second glass capillary (2), the 3rd glass capillary (3) and first the T-shaped threeway of stainless steel high pressure (4),
Second the T-shaped threeway of stainless steel high pressure (5) connects and composes, with first silicone tube (11) and second silicone tube (12)
Sealing, described connection refers to coaxially be fixed by first T-shaped threeway of stainless steel high pressure and second T-shaped threeway of stainless steel high pressure
Three glass capillaries, this microcapsules droplet generator is prepared by following method: by thicker for diameter 0.7-1.5mm first
Prop up glass capillary two ends and put the silicone tube (8) of certain length, then load onto first not at first glass capillary two ends
The rust T-shaped threeway of steel high pressure and second T-shaped threeway of stainless steel high pressure, fit sealing, the two T-shaped threeways of stainless steel high pressure are main logical
Road is coaxial with first glass capillary；Respectively by second thinner for diameter 0.3-1.2mm glass capillary and diameter
First contraction mouth end (9) and second contraction mouth end are processed in one end of the 3rd thinner for 0.3-1.2mm glass capillary
(10), then by first contraction mouth end (9) first capillary is inserted from second stainless steel high pressure T-shaped threeway (5) side
In glass tube (1), second contraction mouth end (10) is inserted from the side of first the T-shaped threeway of stainless steel high pressure (4)
In first glass capillary (1), seal with first silicone tube (11) and second silicone tube (12)；Two contractions
Mouth end two-port distance is less than 1mm and adjustable；Collateral the one (6) and of first the T-shaped threeway of stainless steel high pressure (4)
Collateral the two (7) of two the T-shaped threeway of stainless steel high pressure (5) connect flexible pipe or metal tube respectively and enter as input continuous fluid
Mouth (15) and case material entrance (14)；The import of second glass capillary (2) other end formation is core material entrance
(13), the 3rd glass capillary (3) other end forms an outlet (16)；The microcapsules droplet generator that will assemble
Installing fixing with the metallic support that heat conductivility is good, support is installed auxiliary heater, bracket base installs primary heater, uses
In heating paraffin wax holding vessel, whole support is put into incubator.
2. the application in producing microcapsules of a kind of microcapsules droplet generator described in claim 1, it is characterised in that: micro-
Three glass capillary coaxial configurations in capsule droplet generator, the T-shaped threeway of stainless steel high pressure builds coaxial flow and generates core
Drop and focused flow generate capsule drop, and continuous fluid is under the impetus of dynamical system, from first stainless steel high pressure T
Input continuous fluid entrance (15) on collateral the one of type threeway (4) enters main channel, along the 3rd glass capillary (3)
The flowing of second stainless steel high pressure T-shaped threeway (5) direction, lateral；Shell fluid is under the effect of dynamical system, from
Case material entrance (14) on collateral the two of two the T-shaped threeway of stainless steel high pressure (5) enters main channel, along second hair
Stainless steel high pressure T-shaped threeway (4) the direction flowing of first, the lateral of thin glass tube (2)；Core material is at second hair
Core material entrance (13) place of thin glass tube (2) flows into, core body fluid under the effect of dynamical system second capillary
The direction flowing of introversive first the T-shaped threeway of the stainless steel high pressure (4) of glass tube (2)；At first contraction mouth end (9) place,
Under the effect of the shearing force of shell fluid, form droplet and enter in case material；Case material carries core material secretly at first
Meet with continuous fluid in glass capillary (1), enter the 3rd glass capillary (3) at second contraction mouth end (10) place
In, under the extruding of fluid, form drop capsule, flow out with continuous fluid, obtain microcapsules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668112.4A CN104383860B (en) | 2014-11-20 | 2014-11-20 | A kind of microcapsules droplet generator and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410668112.4A CN104383860B (en) | 2014-11-20 | 2014-11-20 | A kind of microcapsules droplet generator and preparation method thereof |
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| CN104383860B true CN104383860B (en) | 2016-08-24 |
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| CN110394203A (en) * | 2019-08-08 | 2019-11-01 | 北京理工大学 | It is a kind of can repeated disassembled and assembled and replacement component compound microlayer model generating means |
| CN111146429B (en) * | 2020-01-10 | 2021-03-16 | 安徽师范大学 | Preparation method of graphene oxide/sulfur microcapsule composite material, lithium-sulfur battery positive electrode and lithium-sulfur battery |
| CN113976053B (en) * | 2021-11-18 | 2022-11-18 | 清华大学 | Preparation method of double-layer core-shell structure phase change microcapsule |
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| JP4148143B2 (en) * | 2004-01-19 | 2008-09-10 | 株式会社島津製作所 | Fractionation device such as liquid chromatograph |
| ITMI20080981A1 (en) * | 2008-05-27 | 2009-11-28 | Fidia Advanced Biopolymers Srl | PROCESS FOR THE PREPARATION OF MICROSFERE OF SEMI-SYNTHETIC POLYMERS |
| CN201823514U (en) * | 2010-10-12 | 2011-05-11 | 东南大学 | Gravity-driven microfluid device for preparing monodispersed emulsion |
| CN102205227B (en) * | 2011-03-20 | 2013-07-10 | 四川大学 | Micro-fluidic method for preparing monodisperse multicomponent multiple emulsion, and apparatus thereof |
| FR2974313B1 (en) * | 2011-04-22 | 2015-11-27 | Univ Compiegne Tech | METHOD AND SYSTEM FOR PRODUCING CALIBRATED MICROCAPSULES |
| TWI488216B (en) * | 2013-04-18 | 2015-06-11 | Univ Nat Sun Yat Sen | A ionization device of multi source, for a mass spectrometry analysis system |
| CN103861535B (en) * | 2014-03-19 | 2016-01-20 | 中国科学技术大学 | A kind of single dispersing polarity opposite sex Janus nucleocapsid structure gel micro-ball and preparation method thereof and microfluidic control device used |
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