CN107880852A - The preparation of paraffin/silicon rubber phase-change microcapsule - Google Patents
The preparation of paraffin/silicon rubber phase-change microcapsule Download PDFInfo
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- CN107880852A CN107880852A CN201711169824.1A CN201711169824A CN107880852A CN 107880852 A CN107880852 A CN 107880852A CN 201711169824 A CN201711169824 A CN 201711169824A CN 107880852 A CN107880852 A CN 107880852A
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- paraffin
- silicon rubber
- change microcapsule
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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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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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
The invention discloses the preparation method and characterizing method of paraffin silicon rubber phase-change microcapsule, it is characterised in that：Including：Material is the core of paraffin, and silicon rubber is the composite of wall material composition.The present invention provides the preparation method and characterizing method of paraffin silicon rubber phase-change microcapsule, can realize the heat insulation function of material, and preparation cost is cheap, and technique is simple, preparation process green non-pollution；Have wide practical use in construction material and other insulation materials.
Description
Technical field
The present invention relates to a kind of paraffin silicon rubber phase-change microcapsule composite and preparation method thereof, more particularly to a kind of use
In paraffin silicon rubber phase-change microcapsule composite of building heat preservation and preparation method thereof, belong to insulation material technical field.
Background technology
The most great threat of 21st century facing mankind is global warming, and architectural energy consumption accounts for global energy consumption
40% and with the discharge of greenhouse gases, very important effect is played in global warming.Therefore building field pair is improved
The utilization rate of the energy, it is very helpful to slowing down energy crisis and solving environmental problem.Paraffin is as phase-changing energy storage material
(phase change materials, PCM) has a higher latent heat of phase change, no supercooling and precipitation phenomenon and cheap extensive
Using in construction material.But paraffin can not incite somebody to action when absorption outside energy is changed into liquid phase by solid phase because seepage can occur for flowing
Energy stores, therefore paraffin need to be packaged.Phase-change material micro-capsule (Microencapsulated Phase Change
Materials, MEPCM) microencapsulation technology is utilized, paraffin is coated to form molecule using inorganic or organic compound,
When paraffin capsule-core is undergone phase transition, outer layer cyst wall remains solid-state, therefore is graininess before and after phase transformation, solves phase transition process
The mobility of middle paraffin.But traditional cyst material without creep properties and wall thickness be micro/nano level it is other in the case of, it is impossible to support
Volumetric expansion and contraction of the paraffin capsule-core in solid-liquid phase change, also due to cyst wall ruptures and seepage occurs.Therefore need to develop
New microcapsule wall material, silicon rubber itself possess creep properties and to the clad ratio height of paraffin；, can be significantly compared with traditional material
Improve microcapsules service life.
The content of the invention
The technical problems to be solved by the invention are to prepare a kind of physical property, and mechanical performance is preferable with chemical property, and
And the heat-resisting preferable material of cold tolerance, and require the service life length of the material；Further, the present invention provides a kind of micro-
The preparation method of capsule, method preparation cost is cheap, and technique is simple, preparation process green non-pollution, utilizes silicon rubber and paraffin
The chemical stability and heat resistance of microballoon, using the paraffin microballoon of independent research as modifying agent, prepare with good heat insulating ability
The material of energy；Further, the present invention provides a kind of preparation method of the paraffin microballoon of micro-meter scale, paraffin prepared by the method
Microballoon adds the chemical stability of the microcapsules of the present invention, and utilizes the heat resistance of fluorosioloxane rubber, stability and mechanicalness
Can, high a kind of service life is made, chemical stability is good, the high insulation material of mechanical bonding strength.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
Paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Including：Material is silicon rubber and paraffin microballoon group
Into silicon rubber/paraffin microsphere compound.
The material of the silicon rubber includes model H1100 RTV fluorocarbon silicone rubbers.
The paraffin microballoon for micro-meter scale of the paraffin microballoon.
The preparation method of paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Comprise the following steps：
S01, paraffin microballoon is weighed in mass ratio and is placed in beaker, adds the appropriate aqueous solution, is adding surface thereto
Activating agent is sufficiently stirred 5min；Described mass ratio is paraffin: surfactant=10: 2~3.
S02, silicon rubber is weighed in mass ratio, curing agent is added after stirring, then be sufficiently stirred 1~2min,
Obtain mixed liquor；The mass ratio is silicon rubber: paraffin microballoon=10~5: 1~2；
S03, it will filter or centrifuge in the mixed liquor in step S02, the solid particle of gained is placed in surface plate,
Treat its natural drying.
Curing agent is prepared for laboratory, generally the 1/10 of silicon rubber addition
The preparation method of the paraffin microballoon comprises the following steps：
Step 1, water and 3.75g Triton X-100 are added in three-neck flask, is put into 70 DEG C~80 DEG C perseverances
10~15min is heated in warm water bath, 2~3min is stirred with electric mixer；
Step 2, by the paraffin wax of solid-state, heating melting, form liquid paraffin；With the speed of per minute 3~5 drops, delay
Slowly it is added drop-wise in three-neck flask, after constant temperature persistently stirs 2h, obtains paraffin wax emulsions；
Step 3, paraffin wax emulsions are poured into beaker, be aged 12h at room temperature；Upper strata accumulation of solids is pulled out, at room temperature certainly
So dry, obtain paraffin microballoon.
Paraffin microballoon main body of the present invention, silicon rubber film is polymerize on its body structure surface, and enter one using silicon rubber microballoon
Walk reinforcing material heat-insulating property.
Paraffin is 58~60 DEG C higher of paraffin wax of fusing point.
The present invention application method be：The paraffin silicon rubber phase-change microcapsule composite of the present invention is applied in wall
Instead of yellow sand cement concrete or other insulation materials.
A kind of mutually paraffin silicon rubber phase-change microcapsule composite and preparation method thereof provided by the invention, utilizes fluorine silicon rubber
The heat resistance and cold resistance of glue, using the paraffin microballoon of independent research as core, prepare the material that can be incubated；This
Invention is cheap using raw materials such as silicon rubber and paraffin, and preparation technology is simple, pollution-free；The material is mainly characterized by continuously growing
Time uses, and simple to operate without regeneration treatment, easy to use, this method combines paraffin microballoon with fluorosioloxane rubber, no
It is only capable of strengthening the service life of the material, moreover it is possible to the physical property, mechanical performance and chemical property of paraffin are strengthened,
The development of construction industry in future can be advanced with substituting now architectural reinforced cement concrete used well.The present invention
A kind of paraffin silicon rubber phase-change microcapsule composite provided and preparation method thereof, preparation cost is cheap, and technique is simple, prepares
Process green non-pollution；Have wide practical use in field of heat insulating materials (such as construction material etc.).
Brief description of the drawings
Fig. 1 is the enlarged drawing of paraffin in the present invention/silicon rubber phase-change microcapsule；
Fig. 2 is the DSC curve figure of paraffin in the present invention/silicon rubber phase-change microcapsule；
Fig. 3 is the infrared spectrogram of paraffin in the present invention/silicon rubber phase-change microcapsule.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figures 1 to 3, paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Including：Material silicon rubber
With silicon rubber/paraffin microsphere compound of paraffin microballoon composition.
The material of the silicon rubber includes model H1100 RTV fluorocarbon silicone rubbers (Shenzhen Guan Heng Co., Ltds).
The paraffin microballoon for micro-meter scale of the paraffin microballoon.
The preparation method of paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Comprise the following steps：
S01, paraffin microballoon is weighed in mass ratio and is placed in beaker, adds the appropriate aqueous solution, is adding surface thereto
Activating agent is sufficiently stirred 5min；Described mass ratio is paraffin: surfactant=10: 2.
S02, weigh silicon rubber in mass ratio, added after stirring curing agent (curing agent: silicon rubber=1:
10), then 1~2min is sufficiently stirred, obtains mixed liquor；The mass ratio is silicon rubber: paraffin microballoon=5: 2；
S03, it will filter or centrifuge in the mixed liquor in step S02, the solid particle of gained is placed in surface plate,
Treat its natural drying.
The preparation method of the paraffin microballoon comprises the following steps：
Step 1, add water in three-neck flask and a certain amount of Triton X-100 is (pungent according to polyethylene glycol
Base phenyl ether: paraffin microballoon=4: 1 adds), 10~20min of heating in 70 DEG C~80 DEG C thermostat water baths is put into water-bath,
2~3min is stirred with electric mixer；
Step 2, by the paraffin wax of solid-state, heating melting, form liquid paraffin；With the speed of per minute 3~5 drops, delay
Slowly it is added drop-wise in three-neck flask, after constant temperature persistently stirs 10~15min, obtains paraffin wax emulsions；
Step 3, paraffin wax emulsions are poured into beaker, be aged 12h at room temperature；Upper strata accumulation of solids is pulled out, at room temperature certainly
So dry, obtain paraffin microballoon.
Embodiment 2：
As shown in Figures 1 to 3, paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Including：Material is silicon rubber
Silicon rubber/paraffin microsphere compound of glue and paraffin microballoon composition.
The material of the silicon rubber includes model H1100 RTV fluorocarbon silicone rubbers (Shenzhen Guan Heng Co., Ltds).
The paraffin microballoon for micro-meter scale of the paraffin microballoon.
The preparation method of paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Comprise the following steps：
S01, paraffin microballoon is weighed in mass ratio and is placed in beaker, adds the appropriate aqueous solution, is adding surface thereto
Activating agent is sufficiently stirred 5min；Described mass ratio is paraffin: surfactant=10: 3.
S02, weigh silicon rubber in mass ratio, added after stirring curing agent (curing agent: silicon rubber=1:
10), then 1~2min is sufficiently stirred, obtains mixed liquor；The mass ratio is silicon rubber: paraffin microballoon=5: 2；
S03, it will filter or centrifuge in the mixed liquor in step S02, the solid particle of gained is placed in surface plate,
Treat its natural drying.
The preparation method of the paraffin microballoon comprises the following steps：
Step 1, water is added in three-neck flask and adds a certain proportion of curing agent and (presses curing agent: silicon rubber=1: 10
Add), be put into water-bath in 70 DEG C~80 DEG C thermostat water baths 10~15min of heating, with electric mixer stirring 2~
3min；
Step 2, by the paraffin wax of solid-state, heating melting, form liquid paraffin；With the speed of per minute 3~5 drops, delay
Slowly it is added drop-wise in three-neck flask, after constant temperature persistently stirs 10~15min, obtains paraffin wax emulsions；
Step 3, paraffin wax emulsions are poured into beaker, be aged 12h at room temperature；Upper strata accumulation of solids is pulled out, at room temperature certainly
So dry, obtain paraffin microballoon.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. paraffin silicon rubber phase-change microcapsule composite, it is characterised in that：Including：Described main body is paraffin silicon rubber phase transformation
Microcapsules.
2. paraffin silicon rubber phase-change microcapsule composite according to claim 1, it is characterised in that：The material of the paraffin
Matter includes the paraffin wax that molecular weight is [8002-74-2].
3. paraffin silicon rubber phase-change microcapsule composite according to claim 1, it is characterised in that：The silicon rubber
Material includes model H1100 vulcanization fluorosioloxane rubber.
4. paraffin silicon rubber phase-change microcapsule composite according to claim 1, it is characterised in that：The paraffin microballoon
For the paraffin microballoon of micro-meter scale.
5. the preparation method of the paraffin silicon rubber phase-change microcapsule composite according to any one of Claims 1 to 4, it is special
Sign is：Comprise the following steps：
S01, paraffin microballoon is weighed in mass ratio and is placed in beaker, adds the appropriate aqueous solution, is adding surface-active thereto
Agent is sufficiently stirred 5min；Described mass ratio is paraffin: surfactant=10: 2~3.
S02, silicon rubber is weighed in mass ratio, curing agent is added after stirring, then be sufficiently stirred 1~2min, obtain mixed
Close liquid；The mass ratio is silicon rubber: paraffin microballoon=10~5: 1；
S03, it will filter or centrifuge in the mixed liquor in step S02, the solid particle of gained is placed in surface plate, treats it
Natural drying.
6. the preparation method of paraffin silicon rubber phase-change microcapsule composite according to claim 5, it is characterised in that：Institute
The preparation method for stating paraffin microballoon comprises the following steps：
Step 1, water and surfactant are added in three-neck flask: paraffin=4: 1 surfactant, places into 70~80
10~15min is heated in DEG C thermostat water bath, 2~3min is stirred with electric mixer；
Step 2, by the paraffin wax of solid-state, heating melting, form liquid paraffin；With the speed of per minute 3~5 drops, slowly drip
It is added in the three-neck flask of step 1, after constant temperature persistently stirs 2~2.5h, obtains paraffin wax emulsions；
Step 3, paraffin wax emulsions are poured into beaker, be aged at least 12h at room temperature；Upper strata accumulation of solids is pulled out, at room temperature certainly
So dry, obtain paraffin microballoon.
7. the preparation method of paraffin silicon rubber phase-change microcapsule composite according to claim 6, it is characterised in that：Institute
Stating surfactant includes Triton X-100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169824.1A CN107880852A (en) | 2017-11-16 | 2017-11-16 | The preparation of paraffin/silicon rubber phase-change microcapsule |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169824.1A CN107880852A (en) | 2017-11-16 | 2017-11-16 | The preparation of paraffin/silicon rubber phase-change microcapsule |
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| CN107880852A true CN107880852A (en) | 2018-04-06 |
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| CN201711169824.1A Pending CN107880852A (en) | 2017-11-16 | 2017-11-16 | The preparation of paraffin/silicon rubber phase-change microcapsule |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414869A (en) * | 2021-06-07 | 2021-09-21 | 中建材创新科技研究院有限公司 | Phase-change building material product with temperature control performance and preparation method thereof |
| CN115322599A (en) * | 2022-08-31 | 2022-11-11 | 上海大学 | Temperature-control coating, preparation method and application thereof |
| CN117603621A (en) * | 2023-12-01 | 2024-02-27 | 胜利油田金岛实业有限责任公司 | Anti-scale and anti-corrosion coating for oil pipe and preparation method thereof |
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| CN103933907A (en) * | 2014-05-15 | 2014-07-23 | 中国工程物理研究院激光聚变研究中心 | Preparation method of elastic phase change microcapsules |
| CN105080185A (en) * | 2015-08-14 | 2015-11-25 | 南京工程学院 | Interpenetrating network type porous polymer with adjustable and controllable surface performance and preparation method of interpenetrating network type porous polymer |
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2017
- 2017-11-16 CN CN201711169824.1A patent/CN107880852A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103933907A (en) * | 2014-05-15 | 2014-07-23 | 中国工程物理研究院激光聚变研究中心 | Preparation method of elastic phase change microcapsules |
| CN105080185A (en) * | 2015-08-14 | 2015-11-25 | 南京工程学院 | Interpenetrating network type porous polymer with adjustable and controllable surface performance and preparation method of interpenetrating network type porous polymer |
Non-Patent Citations (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414869A (en) * | 2021-06-07 | 2021-09-21 | 中建材创新科技研究院有限公司 | Phase-change building material product with temperature control performance and preparation method thereof |
| CN115322599A (en) * | 2022-08-31 | 2022-11-11 | 上海大学 | Temperature-control coating, preparation method and application thereof |
| CN117603621A (en) * | 2023-12-01 | 2024-02-27 | 胜利油田金岛实业有限责任公司 | Anti-scale and anti-corrosion coating for oil pipe and preparation method thereof |
| CN117603621B (en) * | 2023-12-01 | 2024-04-23 | 胜利油田金岛实业有限责任公司 | Anti-scale and anti-corrosion coating for oil pipe and preparation method thereof |
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Application publication date: 20180406 |