CN103302932B - Containing heat-insulation constant temperature plastic material and the production technology of sizing phase-change material - Google Patents
Containing heat-insulation constant temperature plastic material and the production technology of sizing phase-change material Download PDFInfo
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- CN103302932B CN103302932B CN201310233028.5A CN201310233028A CN103302932B CN 103302932 B CN103302932 B CN 103302932B CN 201310233028 A CN201310233028 A CN 201310233028A CN 103302932 B CN103302932 B CN 103302932B
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Abstract
The invention discloses a kind of heat-insulation constant temperature plastic material containing sizing phase-change material and production technology, comprise: thermal plastic section bar, described thermal plastic section bar is evenly provided with some shrinkage pools, the active carbon having adsorbed sodium sulphate is provided with in shrinkage pool, on described thermal plastic section bar, be provided with thermal plastic sheet material cover layer, the active carbon adsorbing sodium sulphate covers in shrinkage pool by thermal plastic sheet material cover layer.Advantage is: use sal glauberi as phase-change material, sodium sulphate phase transition temperature is suitable for, latent heat of phase change is large, cheap, because active carbon is porous material, the liquid phase additional pressure of micropore can play the effect of sealing phase-transition liquid up for safekeeping, the heterogeneous point of micropore hole wall and the size in hole little, be conducive to nucleation and the crystallization of sal glauberi, thus reduce sal glauberi degree of supercooling, adopt hollow thermoplastic's Plastic Package active carbon of band shrinkage pool, solve the leakage problem of phase-change material, the shape of material and size can regulate.
Description
Technical field
The present invention relates to a kind of pet supplies and production technology thereof, be related specifically to a kind of heat-insulation constant temperature plastic material containing sizing phase-change material and production technology.
Background technology
Sizing phase-change material (PCM) can heat (cold) amount of absorbing environmental in its thing phase change process, and releases heat (cold) amount to environment when needed, thus reaches and control the object of ambient temperature.Crystalline hydrate is modal phase-change material, but when adopting inorganic material encapsulation, easily occurs leaking, and therefore after several phase transformations circulation, the heat of transformation will decline, and affects its ability.
To be the patent disclosure of 201210544805 a kind of can strengthen the sizing phase-change material and preparation method that store heat exchange efficiency for application number, this invention adopts the mixture got higher aliphatic, aliphatic acid, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer and cross 800-1000 object aluminium powder as phase-change material, the method of vulcanizing press mold pressing is adopted to obtain phase-change material, the material latent heat amount of preparation is at more than 90J/g, be easy to processing, smooth in appearance is clean and tidy, No leakage, intensity and toughness are all good, can be used for building different positions.
Application number be 201110264111 patent of invention disclose a kind of phase-changing energy storage material and preparation method thereof, this invention phase-change energy-storage composite material adopts expanded graphite to be carrier, the organic aliphatic acid of absorption different ratio, then the material outer cladding one deck composite paint that will prepare.Organic aliphatic acid is adsorbed onto in expanded graphite carrier and improves the heat conductivility of organic acid as phase-change material, and liquid leakage problem when inhibit it to apply in heat-storage technology, composite paint serves the effect strengthening sizing especially.Application number is 201110261909 disclose a kind of microcapsules of storing energy through phase change and preparation method thereof, and this invention adopts the method for coated sub-microcapsules to obtain, and the microcapsules of storing energy through phase change that the method provides not easily lost efficacy, long service life, good stability.
The application number a kind of paraffin-felt phase transformation thermal energy storage material that has been the patent disclosure of 201210467994, it, primarily of paraffin and felt composition, is flooded by paraffin felt being placed in fusing, after felt absorption is full, takes out cooled and solidified and is prepared from.This patent utilization paraffin is phase-change material, be that absorption and supporting construction are prepared from felt, overcome the shortcoming of the flowing of paraffin liquid phase and rapid heat dissipation, obtained paraffin-felt phase transformation thermal energy storage material light specific gravity, substantially do not flow, dimensionally stable, non-corrosiveness, and there is better beyond thought heat-storage heat-preserving effect.
Above patent all adopts organic phase change material, and advantage is easy sizing, not easily leaks, but there is the high problem of price, and the latent heat of phase change of organic material is also little compared with inorganic phase-changing material simultaneously.
The patent disclosure of application number 200910236014.2 take rice hull ash as the method that sodium sulfate/silicon oxide shaped phase-change material prepared by raw material, rice hull ash joins in NaOH solution by the method, heating, cooling, filtration, with sulfuric acid solution titration filtrate, controlling solution endpoint pH is 6 ~ 10, obtains colloidal sol thus; Colloidal sol is standing, aging, washing, then dry at 60 ~ 100 DEG C, namely prepares sodium sulfate/silicon oxide shaped phase-change material.The sodium sulfate/silicon oxide shaped phase-change material phase transition temperature of preparation is between 860 DEG C ~ 890 DEG C, and phase transformation melting heat is 40J/g-90J/g, and the sodium sulphate particle diameter that distributes in silica is 100-300nm.
Sodium sulphate in above-mentioned patent is anhydrous sodium sulfate, belongs to high temperature modification phase-change material, and the sodium sulphate with containing 10 crystallizations water, belongs to two kinds of materials in essence, phase transition process and heat of transformation aspect of performance difference very large.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of heat-insulation constant temperature plastic material containing sizing phase-change material and production technology.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: containing the heat-insulation constant temperature plastic material of sizing phase-change material, comprise: thermal plastic section bar, described thermal plastic section bar is evenly provided with some shrinkage pools, the active carbon having adsorbed sodium sulphate is provided with in shrinkage pool, on described thermal plastic section bar, be provided with thermal plastic sheet material cover layer, the active carbon adsorbing sodium sulphate covers in shrinkage pool by thermal plastic sheet material cover layer.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the distance between described shrinkage pool is 10-20mm, and the shrinkage pool degree of depth is 10-20mm, and shrinkage pool radius is 5-15mm.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, comprise the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon of sodium sulphate: according to 142 parts of Na
2sO
4with 180 parts of H
2o(mol ratio 1:10), be mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
The preparation of the thermal plastic section bar B. with shrinkage pool: by the thermal plastic section bar of the multiple shrinkage pool of method preparation band of extrusion-blown modling, extrusion temperature is 130-190 DEG C, and blow air pressure is 0.5-2Mpa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon of sodium sulphate: be positioned in shrinkage pool by the active carbon adsorbing sodium sulphate, the thermal plastic sheet material cover layer extruded in advance is heated to 120-190 DEG C, thermal plastic sheet material cover layer is fitted tightly with the thermal plastic section bar upper end of band shrinkage pool, shrinkage pool is closed by pressurization, applied pressure is 0.5-1.5Mpa, obtains heat-insulation constant temperature plastic material.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described thermal plastic section bar can be polypropylene, polyethylene or polystyrene.
Advantage of the present invention is: the above-mentioned heat-insulation constant temperature plastic material containing sizing phase-change material and production technology, use sal glauberi as phase-change material, sodium sulphate phase transition temperature is suitable for, latent heat of phase change is large, cheap, because active carbon is porous material, the liquid phase additional pressure of micropore can play the effect of sealing phase-transition liquid up for safekeeping, the heterogeneous point of micropore hole wall and the size in hole little, be conducive to nucleation and the crystallization of sal glauberi, thus reduce sal glauberi degree of supercooling, adopt hollow thermoplastic's Plastic Package active carbon of band shrinkage pool, solve the leakage problem of phase-change material, the shape of material and size can regulate.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention contains the heat-insulation constant temperature plastic material of sizing phase-change material.
Fig. 2 removes the structural representation after thermal plastic sheet material cover layer containing the heat-insulation constant temperature plastic material of sizing phase-change material in Fig. 1.
In figure: 1, thermal plastic section bar, 2, shrinkage pool, 3, active carbon, 4, thermal plastic sheet material cover layer.
Detailed description of the invention
Particular content of the present invention is described in detail below by the drawings and specific embodiments.
Containing the heat-insulation constant temperature plastic material of sizing phase-change material, comprise: thermal plastic section bar 1, described thermal plastic section bar 1 is evenly provided with some shrinkage pools 2, the active carbon 3 having adsorbed sodium sulphate is provided with in shrinkage pool 2, on described thermal plastic section bar 1, be provided with thermal plastic sheet material cover layer 4, the active carbon 3 having adsorbed sodium sulphate covers in shrinkage pool 2 by thermal plastic sheet material cover layer 4.
In the present embodiment, the distance between described shrinkage pool 2 is 10-20mm, and shrinkage pool 2 degree of depth is 10-20mm, and shrinkage pool 2 radius is 5-15mm.
The production technology of the above-mentioned heat-insulation constant temperature plastic material containing sizing phase-change material, comprises the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon 3 of sodium sulphate: according to 142 parts of Na
2sO
4with 180 parts of H
2o(mol ratio 1:10), be mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
B. the preparation of the thermal plastic section bar 1 of shrinkage pool 2 is with: by the thermal plastic section bar 1 of the multiple shrinkage pool 2 of method preparation band of extrusion-blown modling, extrusion temperature is 130-190 DEG C, and blow air pressure is 0.5-2Mpa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon 3 of sodium sulphate: be positioned in shrinkage pool 2 by the active carbon 3 having adsorbed sodium sulphate, the thermal plastic sheet material cover layer 4 extruded in advance is heated to 120-190 DEG C, thermal plastic sheet material cover layer 4 is fitted tightly with thermal plastic section bar 1 upper end of band shrinkage pool 2, shrinkage pool 2 is closed by pressurization, applied pressure is 0.5-1.5Mpa, obtains heat-insulation constant temperature plastic material.
Described thermal plastic section bar 1 can be polypropylene, polyethylene or polystyrene.
Embodiment 1
Containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, comprise the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon 3 of sodium sulphate: according to 142 parts of Na
2sO
4with 180 parts of H
2o(mol ratio 1:10), be mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
B. the preparation of the thermal plastic section bar 1 of shrinkage pool 2 is with: by the polyethylene hollow material of the multiple shrinkage pool 2 of method preparation band of extrusion-blown modling, distance between described shrinkage pool 2 is 10mm, shrinkage pool 2 degree of depth is 10mm, shrinkage pool 2 radius is 5mm, extrusion temperature is 130-190 DEG C, and blow air pressure is 1Mpa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon 3 of sodium sulphate: the active carbon 3 50 grams having been adsorbed sodium sulphate is positioned in shrinkage pool 2, the thermal plastic sheet material cover layer 4 extruded in advance is heated to 150 DEG C, thermal plastic sheet material cover layer 4 is fitted tightly with the polyethylene hollow material upper end of band shrinkage pool 2, shrinkage pool 2 is closed by pressurization, applied pressure is 1Mpa, obtains heat-insulation constant temperature plastic material.
The section bar obtained is assembled into Pet house, is placed in the environment of 40 DEG C, remains on 25 DEG C in kennel, and temperature retention time reaches 6 hours.
Embodiment 2
Containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, comprise the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon 3 of sodium sulphate: according to 142 parts of Na
2sO
4with 180 parts of H
2o(mol ratio 1:10), be mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
B. the preparation of the thermal plastic section bar 1 of shrinkage pool 2 is with: by the polyethylene hollow material of the multiple shrinkage pool 2 of method preparation band of extrusion-blown modling, distance between described shrinkage pool 2 is 15mm, shrinkage pool 2 degree of depth is 15mm, shrinkage pool 2 radius is 10mm, extrusion temperature is 130-190 DEG C, and blow air pressure is 1Mpa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon 3 of sodium sulphate: the active carbon 3 100 grams having been adsorbed sodium sulphate is positioned in shrinkage pool 2, the thermal plastic sheet material cover layer 4 extruded in advance is heated to 180 DEG C, thermal plastic sheet material cover layer 4 is fitted tightly with the polyethylene hollow material upper end of band shrinkage pool 2, shrinkage pool 2 is closed by pressurization, applied pressure is 1Mpa, obtains heat-insulation constant temperature plastic material.
The section bar obtained is assembled into Pet house, is placed in the environment of 40 DEG C, remains on 25 DEG C in kennel, and temperature retention time reaches 8 hours.
Embodiment 3
Containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, comprise the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon 3 of sodium sulphate: according to 142 parts of Na
2sO
4with 180 parts of H
2o(mol ratio 1:10), be mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
B. the preparation of the thermal plastic section bar 1 of shrinkage pool 2 is with: by the polyethylene hollow material of the multiple shrinkage pool 2 of method preparation band of extrusion-blown modling, distance between described shrinkage pool 2 is 20mm, shrinkage pool 2 degree of depth is 20mm, shrinkage pool 2 radius is 15mm, extrusion temperature is 130-190 DEG C, and blow air pressure is 1Mpa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon 3 of sodium sulphate: the active carbon 3 200 grams having been adsorbed sodium sulphate is positioned in shrinkage pool 2, the thermal plastic sheet material cover layer 4 extruded in advance is heated to 180 DEG C, thermal plastic sheet material cover layer 4 is fitted tightly with the polyethylene hollow material upper end of band shrinkage pool 2, shrinkage pool 2 is closed by pressurization, applied pressure is 1Mpa, obtains heat-insulation constant temperature plastic material.
The section bar obtained is assembled into Pet house, is placed in the environment of 40 DEG C, remains on 25 DEG C in kennel, and temperature retention time reaches 10 hours.
The present invention is not limited to the scheme cited by above examples of implementation, as long as the scheme that content of the present invention is mentioned all can be implemented.
Claims (2)
1. containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, the described heat-insulation constant temperature plastic material containing sizing phase-change material comprises: thermoplastic sections (1), described thermoplastic sections (1) is evenly provided with multiple shrinkage pool (2), the active carbon (3) having adsorbed sodium sulphate is provided with in shrinkage pool (2), thermoplastic plastic sheet's cover layer (4) is provided with on described thermoplastic sections (1), the active carbon adsorbing sodium sulphate (3) covers in shrinkage pool (2) by thermoplastic plastic sheet's cover layer (4), it is characterized in that: containing the production technology of the heat-insulation constant temperature plastic material of sizing phase-change material, comprise the steps:
A. sizing phase-change material has adsorbed the preparation of the active carbon (3) of sodium sulphate: be the Na of 1:10 by mol ratio
2sO
4with H
2o is mixed with Na
2sO
4saturated solution; 100 parts of active carbons are joined 30-80 part saltcake Na
2sO
4saturated solution, makes Na
2sO
4saturated solution is absorbed by active carbon completely;
The preparation of the thermoplastic sections (1) B. with shrinkage pool (2): by the thermoplastic sections (1) of the method preparation multiple shrinkage pool of band (2) of extrusion-blown modling, extrusion temperature is 130-190 DEG C, and blow air pressure is 0.5-2MPa;
C. sizing phase-change material has adsorbed the encapsulation of the active carbon (3) of sodium sulphate: be positioned over by the active carbon adsorbing sodium sulphate (3) in shrinkage pool (2), the thermoplastic plastic sheet's cover layer (4) extruded in advance is heated to 120-190 DEG C, thermoplastic plastic sheet's cover layer (4) is fitted tightly with thermoplastic sections (1) upper end of band shrinkage pool (2), pressurize shrinkage pool (2) is closed, applied pressure is 0.5-1.5MPa
Obtain heat-insulation constant temperature plastic material.
2., according to the production technology of the heat-insulation constant temperature plastic material containing sizing phase-change material according to claim 1, it is characterized in that: described thermoplastic sections (1) is polypropylene, polyethylene or polystyrene section bar.
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| CN201310233028.5A CN103302932B (en) | 2013-06-13 | 2013-06-13 | Containing heat-insulation constant temperature plastic material and the production technology of sizing phase-change material |
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| CN105062429A (en) * | 2015-07-31 | 2015-11-18 | 江苏启能新能源材料有限公司 | Powder phase change energy storage material and preparation method thereof |
| CN111205827A (en) * | 2020-01-10 | 2020-05-29 | 北京科技大学 | Method for preventing loss of molten salt phase change heat storage material by using activated carbon |
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| US20070173154A1 (en) * | 2006-01-26 | 2007-07-26 | Outlast Technologies, Inc. | Coated articles formed of microcapsules with reactive functional groups |
| CN102161882A (en) * | 2011-02-17 | 2011-08-24 | 上海易舜冰袋有限公司 | Phase-change constant-temperature material and pad body |
| CN102228352A (en) * | 2011-05-23 | 2011-11-02 | 闵育秀 | Physically thermostatic cushion and manufacturing method thereof |
| CN102240120A (en) * | 2010-05-10 | 2011-11-16 | 朱雪兵 | Cooling pad |
| CN103302933A (en) * | 2013-06-13 | 2013-09-18 | 江苏中恒宠物用品股份有限公司 | Heat-insulated constant-temperature plastic profile containing shape-stabilized phase change material |
-
2013
- 2013-06-13 CN CN201310233028.5A patent/CN103302932B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020060063A1 (en) * | 2000-05-15 | 2002-05-23 | Merck Gmbh | Process for producing an accumulator composite for accumulating heat or cold |
| US20070173154A1 (en) * | 2006-01-26 | 2007-07-26 | Outlast Technologies, Inc. | Coated articles formed of microcapsules with reactive functional groups |
| CN102240120A (en) * | 2010-05-10 | 2011-11-16 | 朱雪兵 | Cooling pad |
| CN102161882A (en) * | 2011-02-17 | 2011-08-24 | 上海易舜冰袋有限公司 | Phase-change constant-temperature material and pad body |
| CN102228352A (en) * | 2011-05-23 | 2011-11-02 | 闵育秀 | Physically thermostatic cushion and manufacturing method thereof |
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