CN104328841A - Anti-radiation vacuum insulation panel and preparation method - Google Patents
Anti-radiation vacuum insulation panel and preparation method Download PDFInfo
- Publication number
- CN104328841A CN104328841A CN201410488747.6A CN201410488747A CN104328841A CN 104328841 A CN104328841 A CN 104328841A CN 201410488747 A CN201410488747 A CN 201410488747A CN 104328841 A CN104328841 A CN 104328841A
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- Prior art keywords
- cloth
- radiation proof
- core
- radiation
- insulating plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Abstract
The invention discloses an anti-radiation vacuum insulation panel, which comprises an anti-radiation insulation core material, a core-enveloping material and an outer fiber fabric. The anti-radiation vacuum insulation panel is characterized in that the anti-radiation insulation core material is the mixture of expanded perlite, silicon powder, reinforcing fibers and shielding material, and the core-enveloping material is a vapor barrier film; the fiber fabric is a woven fabric, a unidirectional fabric, a unidirectional prepreg, a bidirectional prepreg or a multiaxial fabric which is made of a carbon fiber or basalt fiber material; the thickness of the anti-radiation insulation core material is 1mm to 10mm, the thickness of the core-enveloping material is 0.05mm to 0.5mm, and the thickness of the fiber fabric is 0.03mm to 0.3mm. The anti-radiation vacuum insulation panel disclosed by the invention has high heat-resisting property and low thermal conductivity, can effectively shield outside electromagnetic radiation sources, moreover, the service life is long, and the effective life of the anti-radiation vacuum insulation panel can reach 20 years.
Description
Technical field
The present invention relates to a kind of radiation proof vacuum heat-insulating plate and preparation method, belong to building material field.
Background technology
Along with further developing of electric fixtures technology, radiation is seen everywhere around us, like the shadow following the person, be no matter mobile phone, computer, printer and the scanner in work, or the micro-wave oven in family life, electric blanket, hair-dryer, TV, refrigerator, air-conditioning, dust catcher; Also has the natural radiation that such as Medical Devices, television transmitting tower, high-voltage line, transformer station and sunspot etc. are hard to guard against.The people working, learn, live in the environment that radiation source is concentrated, easy insomnia and dreamful sleep, failure of memory, body void are weak, hypoimmunity etc.
At present in thermal insulation slab application, emphasis is all on the resistance of household electrical appliances insulation, building exterior wall heat preserving etc. and heat conductivility, be devoted to the thermal insulation slab that production thermal resistance performance is good, coefficient of thermal conductivity is low, but also do not find the thermal insulation slab with discharging electromagnetic spoke heat.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of vacuum heat-insulating plate with radiation proof function, coefficient of thermal conductivity low prerequisite decline low electromagnetic good in guarantee thermal resistance performance.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of radiation proof vacuum heat-insulating plate, comprises core radiation proof thermal insulation material, envelope wraps up in core material and outer field cloth; It is characterized in that, described core radiation proof thermal insulation material is the mixture of expanded perlite, silica flour, fortifying fibre and shielding material, and it is trapping film that described envelope wraps up in core material; Described cloth is woven cloth, unidirectional cloth, unidirectional prepreg cloth, two-way prepreg cloth or the multiaxial fabric be made up of carbon fiber or basalt fiber material; The thickness of wherein said core radiation proof thermal insulation material is 1-10mm, and the thickness that described envelope wraps up in core material is 0.05-0.5mm, and the thickness of described cloth is 0.03-0.3mm.
Preferably, the proportioning of described core radiation proof thermal insulation material is: expanded perlite 45-48 part, silica flour 5-10 part, fortifying fibre 15-20 part, shielding material 5-10 part.
Preferably, described silica flour is the mixture that any one or two or more material in micron-sized carbon black, aerosil, flyash mix with arbitrary proportion.
Preferably, described fortifying fibre is the mixture of the glass fibre cotton of centrifugal process production and the glass fibre cotton of flame method production.
Preferably, the diameter of the glass fibre cotton that described centrifugal process is produced is 3.5-5 μm, and length is 520mm; The glass fibre cotton diameter that described flame method is produced is 1.5-2.5um, and length is 1-5 μm.
Preferably, the weight ratio of the glass fibre cotton that described centrifugal process is produced and the glass fibre cotton that flame method is produced is 5:5.
Preferably, described shielding material is the mixture of lead, barium, cadmium, tin, and its weight ratio is 1-2:5:2-3:6-7.
Preferably, described trapping film is made up of multilayer plastic film, and the raw material of every layer film is selected from PVDC, PA, PE, PP, PVOH, EVOH, EVA, PET, PS, aluminium foil or its mixture.
The present invention also provides a kind of preparation method of radiation proof vacuum heat-insulating plate, comprises the steps:
A) manufacture plate forming mold, then spread release cloth, cloth successively in a mold, cloth is brushed or spraying resin, and make resin soak into cloth completely; Then in the cloth of impregnated with resin, sequentially place ready made envelope wrap up in core material and core radiation proof thermal insulation material, brush on this core again or spraying resin, place envelope and wrap up in core material and cloth, and brush or spraying resin on cloth surface, make glass fabric completely by resin impregnated; Repave release cloth, cover mould upper cover;
B) heat after covering mould upper cover and vacuumize shaping, the temperature of heating is 70-120 DEG C, vacuumizes 0.00002-0.08MPa.
Radiation proof thermal insulation slab of the present invention, thermal resistance performance is good, coefficient of thermal conductivity is low, effectively can shield extraneous electromagnetic radiation source, and long service life, its useful life can reach 20 years.
Detailed description of the invention
Embodiment 1:
A preparation method for radiation proof vacuum heat-insulating plate, comprises the steps:
A) manufacture plate forming mold, then spread release cloth, cloth successively in a mold, cloth is brushed or spraying resin, and make resin soak into cloth completely; Then in the cloth of impregnated with resin, sequentially place ready made envelope wrap up in core material and core radiation proof thermal insulation material, brush on this core again or spraying resin, place envelope and wrap up in core material and cloth, and brush or spraying resin on cloth surface, make glass fabric completely by resin impregnated; Repave release cloth, cover mould upper cover;
B) heat after covering mould upper cover and vacuumize shaping, the temperature of heating is 70-120 DEG C, vacuumizes 0.00002-0.08MPa.
Wherein said radiation proof thermal insulation material, comprises the raw material of following weight portion: glass fibre cotton 8 parts, the glass fibre cotton 8 parts of flame method production, 0.5 part, lead, barium 2.5 parts, cadmium 1 part, 3 parts, tin that expanded perlite 45 parts, carbon black 2 parts, aerosil 3 parts, 1 part, flyash, centrifugal process are produced.
After testing, the coefficient of thermal conductivity of radiation proof vacuum heat-insulating plate is 1.9mW/m.k, and in side by the wave radiation of 200mT magnetic induction intensity, it is 8mT that opposite side detects its magnetic induction intensity, can effectively reduce electromagnetic radiation.
Embodiment 2:
Preparation method is identical with embodiment 1, difference is, radiation proof thermal insulation material is made up of the raw material of following weight portion: glass fibre cotton 10 parts, the glass fibre cotton 10 parts of flame method production, 1 part, lead, barium 2.5 parts, cadmium 1.5 parts, 3.5 parts, tin that expanded perlite 48 parts, carbon black 4 parts, aerosil 2 parts, 4 parts, flyash, centrifugal process are produced.
After testing, the coefficient of thermal conductivity of evacuated panel is 1.5mW/m.k, and in side by the wave radiation of 200mT magnetic induction intensity, it is 5mT that opposite side detects its magnetic induction intensity, can effectively reduce electromagnetic radiation.
Embodiment 3:
Preparation method is identical with embodiment 1, difference is, radiation proof thermal insulation material is made up of the raw material of following weight portion: glass fibre cotton 9 parts, the glass fibre cotton 9 parts of flame method production, 1 part, lead, barium 2.5 parts, cadmium 1.5 parts, 3.5 parts, tin that expanded perlite 46 parts, carbon black 2 parts, aerosil 4 parts, 1 part, flyash, centrifugal process are produced.
After testing, the coefficient of thermal conductivity of evacuated panel is 1.6mW/m.k, and in side by the wave radiation of 200mT magnetic induction intensity, it is 6mT that opposite side detects its magnetic induction intensity, can effectively reduce electromagnetic radiation.
Above-mentioned example just for technical conceive of the present invention and technical characterstic are described, can not limit the scope of the invention with this.The equivalent transformation that all essence according to the present invention is done or modification, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a radiation proof vacuum heat-insulating plate, is characterized in that, comprises core radiation proof thermal insulation material, envelope wraps up in core material and outer field cloth; It is characterized in that, described core radiation proof thermal insulation material is the mixture of expanded perlite, silica flour, fortifying fibre and shielding material, and it is trapping film that described envelope wraps up in core material; Described cloth is woven cloth, unidirectional cloth, unidirectional prepreg cloth, two-way prepreg cloth or the multiaxial fabric be made up of carbon fiber or basalt fiber material; The thickness of wherein said core radiation proof thermal insulation material is 1-10mm, and the thickness that described envelope wraps up in core material is 0.05-0.5mm, and the thickness of described cloth is 0.03-0.3mm.
2. radiation proof vacuum heat-insulating plate according to claim 1, is characterized in that, the proportioning of described core radiation proof thermal insulation material is: expanded perlite 45-48 part, silica flour 5-10 part, fortifying fibre 15-20 part, shielding material 5-10 part.
3. radiation proof vacuum heat-insulating plate according to claim 2, is characterized in that, described silica flour is the mixture that any one or two or more material in micron-sized carbon black, aerosil, flyash mix with arbitrary proportion.
4. radiation proof vacuum heat-insulating plate according to claim 2, is characterized in that, described fortifying fibre is the mixture of the glass fibre cotton of centrifugal process production and the glass fibre cotton of flame method production.
5. radiation proof vacuum heat-insulating plate according to claim 4, is characterized in that, the diameter of the glass fibre cotton that described centrifugal process is produced is 3.5-5 μm, and length is 520mm; The glass fibre cotton diameter that described flame method is produced is 1.5-2.5um, and length is 1-5 μm.
6. radiation proof vacuum heat-insulating plate according to claim 4, is characterized in that, the weight ratio of the glass fibre cotton that described centrifugal process is produced and the glass fibre cotton that flame method is produced is 5:5.
7. radiation proof vacuum heat-insulating plate according to claim 2, is characterized in that, described shielding material is the mixture of lead, barium, cadmium, tin, and its weight ratio is 1-2:5:2-3:6-7.
8. according to the radiation proof vacuum heat-insulating plate described in claim 1, it is characterized in that, described trapping film is made up of multilayer plastic film, and the raw material of every layer film is selected from PVDC, PA, PE, PP, PVOH, EVOH, EVA, PET, PS, aluminium foil or its mixture.
9. the preparation method of a radiation proof vacuum heat-insulating plate according to claim 1: it is characterized in that, comprise the steps:
A) manufacture plate forming mold, then spread release cloth, cloth successively in a mold, cloth is brushed or spraying resin, and make resin soak into cloth completely; Then in the cloth of impregnated with resin, sequentially place ready made envelope wrap up in core material and core radiation proof thermal insulation material, brush on this core again or spraying resin, place envelope and wrap up in core material and cloth, and brush or spraying resin on cloth surface, make glass fabric completely by resin impregnated; Repave release cloth, cover mould upper cover;
B) heat after covering mould upper cover and vacuumize shaping, the temperature of heating is 70-120 DEG C, vacuumizes 0.00002-0.08MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488747.6A CN104328841A (en) | 2014-09-23 | 2014-09-23 | Anti-radiation vacuum insulation panel and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488747.6A CN104328841A (en) | 2014-09-23 | 2014-09-23 | Anti-radiation vacuum insulation panel and preparation method |
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| Publication Number | Publication Date |
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| CN104328841A true CN104328841A (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410488747.6A Pending CN104328841A (en) | 2014-09-23 | 2014-09-23 | Anti-radiation vacuum insulation panel and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929555A (en) * | 2017-05-24 | 2018-12-04 | 江苏创曦复合材料科技有限公司 | A kind of high-performance composite materials and preparation method thereof suitable for window frame |
| GB2596408A (en) * | 2020-05-20 | 2021-12-29 | Va Q Tec Ag | Vacuum insulation element for use as a pressure- and impact-resistant, self-supporting element |
| JP2022502641A (en) * | 2018-09-27 | 2022-01-11 | エロパル エレクトリック ヴェ オトモーティヴ パルカラリ サナイ ヴェ ティジャレット アノニム シルケティ | Radiation shield |
-
2014
- 2014-09-23 CN CN201410488747.6A patent/CN104328841A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929555A (en) * | 2017-05-24 | 2018-12-04 | 江苏创曦复合材料科技有限公司 | A kind of high-performance composite materials and preparation method thereof suitable for window frame |
| JP2022502641A (en) * | 2018-09-27 | 2022-01-11 | エロパル エレクトリック ヴェ オトモーティヴ パルカラリ サナイ ヴェ ティジャレット アノニム シルケティ | Radiation shield |
| GB2596408A (en) * | 2020-05-20 | 2021-12-29 | Va Q Tec Ag | Vacuum insulation element for use as a pressure- and impact-resistant, self-supporting element |
| GB2596408B (en) * | 2020-05-20 | 2023-01-25 | Va Q Tec Ag | Vacuum insulation element for use as a pressure- and impact-resistant, self-supporting element |
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Application publication date: 20150204 |
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