CN102062277B - Vacuum insulated panel produced from superfine glass wool with wet process and method for producing same - Google Patents

Vacuum insulated panel produced from superfine glass wool with wet process and method for producing same Download PDF

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Publication number
CN102062277B
CN102062277B CN2010105402120A CN201010540212A CN102062277B CN 102062277 B CN102062277 B CN 102062277B CN 2010105402120 A CN2010105402120 A CN 2010105402120A CN 201010540212 A CN201010540212 A CN 201010540212A CN 102062277 B CN102062277 B CN 102062277B
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China
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glass wool
parts
super
core
wet
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CN2010105402120A
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Chinese (zh)
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CN102062277A (en
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周介明
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苏州维艾普新材料有限公司
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Abstract

The invention discloses a vacuum insulated panel produced from superfine glass wool with a wet process. The vacuum insulated panel comprises a core material, a gas adsorption material layer and an isolating film layer, wherein the core material is in the innermost layer and is a core panel produced from superfine glass wool, the gas adsorption material layer wraps the outer surface of the core material, and the isolating film layer wraps the outer part of the gas adsorption material layer. The invention further discloses a method for producing the vacuum insulated panel. The vacuum insulated panel has light weight, low conductivity, good elasticity, corrosion resistance, aging resistance, high stability, good heat insulation effect and ideal sound-absorbing effect and is non-toxic, non-combustible and pollution-free. The vacuum insulated pane has the thickness of 8-30 mum, the service life of over 15 years, the use temperature of -50-70 DEG C and the conductivity of 0.0018-0.0028W/m.Kat 20 DEG C.

Description

Wet method super-fine glass wool vacuum heat-insulating plate and production method thereof
Technical field
The present invention relates to a kind of thermal shield, be specifically a kind of with the super glass wool be main raw material exploitation a kind of in light weight, thermal conductivity is low, good springiness, nontoxic, free of contamination super glass wool vacuum heat-insulating plate and production method thereof.
Background technique
Vacuum heat-insulating plate (VIP plate) is a kind of in the vacuum thermal insulating material, and vacuum heat-insulating plate in the market is to be composited by filling core and vacuum protection top layer; The heat transmission that it avoids cross-ventilation to cause effectively; Therefore thermal conductivity can reduce significantly, and thermal conductivity is generally at 0.0035w/m.k, and does not contain any OD material; Having environmental protection and energy-efficient characteristic, is state-of-the-art in the world at present thermal insulation material.
It is adiabatic that VIP is mainly used in insulation, like household refrigerator, yacht refrigerator, minifridge, car refrigerator, deep cooling refrigerator-freezer, electric water heater, vending machine, household freezer, Refrigerated container, construction wall insulation and LNG accumulating etc.
But because the core of vacuum insulation intralamellar part employing in the market generally adopts PU; In case vacuum insulation panel surface vacuum protection top layer is destroyed the PU poor fire; And since market for heat-insulating plate require increasingly highly, require that heat-insulating plate thickness is thinner, thermal conductivity is lower, serviceability temperature is wider, longer service life.
Summary of the invention
Goal of the invention: the objective of the invention is in order to overcome the deficiency of existing technology, a kind of frivolous, durable, thermal conductivity is low, using scope is wide wet method super-fine glass wool vacuum heat-insulating plate is provided; The production method of the exhausted plate of this wet method super-fine glass wool vacuum also is provided simultaneously.
Technological scheme: in order to solve the problems of the technologies described above, the invention provides the glass evacuated thermal shield of a kind of wet method super-fine, it comprises: core, gas absorption material layer, barrier film layer; Core is positioned at the innermost layer, and the gas absorption material layer is wrapped in the outer surface of core, and the barrier film layer is wrapped in the outside of gas absorption material layer.
Core described in the present invention is the super glass wool central layer, and this super glass wool central layer thickness is 1um~10um; Density is 120 kg/m 3~180kg/m 3The glass wool diameter is 1um~5um; Thermal conductivity is 0.03 W/m.K (20 ℃)~0.04W/m.K (20 ℃); Microglass fiber is evenly distributed in the super glass wool central layer.
Among the present invention, because microglass fiber is evenly distributed in the super glass wool central layer, vacuum pumping rate is fast under high vacuum state, and degree of vacuum is high, so the thermal conductivity of wet method super-fine glass wool vacuum heat-insulating plate according to the invention is low, heat-shielding performance is good.
The invention also discloses the production method of above-mentioned wet method super-fine glass wool vacuum heat-insulating plate, the concrete steps of this production method are following:
(1) prepares cullet;
(2) mixing formula: with 100 parts of cullet and SiO 265.00 parts~67.00 parts of silica, B 2O 34.00 parts~5.00 parts of boric oxides, AI 2O 31.80 parts~2.50 parts in aluminium oxide, Fe 2O 30.35 part~0.50 part of iron oxide, 7.5 parts~8.00 parts in CaO calcium oxide, 30.20 parts~30.50 parts in MgO magnesia, Na 215.00 parts~15.50 parts of O sodium oxides, K 20.50 part~0.60 part mixing of O potassium oxide obtains mixture;
(3) with mixture fusion, fibrosis, obtain glass fibre, glass fiber diameter 3.05 um~4.2um;
(4) be that the glass fibre of 3.05 um~4.2um breaks into slurry with diameter, the slurry of accomplishing fluently be put into adopt cotton moulding on the glass wool molding machine;
(5) with the glass wool hot pressing of moulding, hot pressing temperature is 500 0C forms the wet method super-fine block of glass wool after hot pressing;
(6) with the wet method super-fine block of glass wool as requested size carry out cutting, become wet method super-fine glass wool core after the cutting;
(7) with the core heat drying that constitutes; Temperature is 500 during heating 0C, 2 minutes heating times; Temperature is 260 when dry 0C, be 5 minutes time of drying;
(8) with after the dry heat the core outer surface superscribe the gas absorption material, constitute the gas absorption material layer;
The core that (9) will wrap up the gas absorption material layer is put into the barrier film bag and is encapsulated, and takes out the air in the barrier film bag then, makes in the barrier film bag to be vacuum state, and sealing then constitutes wet method super-fine glass wool evacuated insulation panel bullion;
(10) edge of wet method super-fine glass wool evacuated insulation panel bullion is turned up fixing, existing wet method super-fine glass wool vacuum heat-insulating plate according to the invention.
Beneficial effect: the glass evacuated thermal shield of wet method super-fine of the present invention compared with prior art, has the following advantages.
1, wet method super-fine glass wool vacuum heat-insulating plate of the present invention; The ultra-fine fibre glass that with the diameter is 1um~5um is that raw material is processed the super glass wool central layer; With the super glass wool central layer is the core among the present invention, make the present invention have in light weight, perveance is low, good springiness, nontoxic, do not fire, anticorrosive, aging, stability is high, pollution-free, good heat-insulation effect, the desirable advantage of sound-absorbing.The sheet metal thickness of wet method super-fine glass wool vacuum heat-insulating plate of the present invention is 8um-30um; Be more than 15 years service life; The serviceability temperature scope is-50 ℃-70 ℃; Thermal conductivity is 0.0018-0.0028W/m.K (20 ℃).
2, the super glass wool core among the present invention can carry out the recycling of resource, makes resource can be repeated to utilize; Adopt wet method super-fine glass wool vacuum heat-insulating plate of the present invention, the utilization rate in the space that effectively enlarges, effect of heat insulation is better simultaneously, has effectively practiced thrift energy.
Also disclose among the present invention the glass evacuated thermal shield of above-mentioned wet method super-fine production method, compared with prior art, this production method operation is simple, rationally, is suitable for industrialized production.
Description of drawings
Accompanying drawing is the structural representation of wet method super-fine glass wool vacuum heat-insulating plate of the present invention.
Embodiment
Below in conjunction with specific embodiment; Further illustrate the present invention; Should understand these embodiments only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims to the modification of the various equivalent form of values of the present invention and limit.
Embodiment 1
As scheme described a kind of wet method super-fine glass wool vacuum heat-insulating plate, it comprises that it comprises: core 1, gas absorption material layer 2, barrier film layer 3; Core 1 is positioned at the innermost layer, and gas absorption material layer 2 is wrapped in the outer surface of core 1, and barrier film layer 3 is wrapped in the outside of gas absorption material layer 2; Said core 1 is the super glass wool central layer.
The production method of above-mentioned wet method super-fine glass wool vacuum heat-insulating plate, its concrete steps are following:
(1) prepare cullet, and cleaning;
(2) mixing formula: the demand of pressing is with 100 parts of cullet and SiO 265.00 parts of silica, B 2O 34.00 parts of boric oxides, AI 2O 31.97 parts in aluminium oxide, Fe 2O 30.41 part of iron oxide, 7.5 parts in CaO calcium oxide, 30.20 parts in MgO magnesia, Na 215.11 parts of O sodium oxides, K 20.51 part of mixing of O potassium oxide obtains mixture;
(3) with mixture fusion, fibrosis, obtain glass fibre, glass fiber diameter 3.05 um~4.2um;
(4) be that the glass fibre of 3.05 um~4.2um breaks into slurry with diameter, the slurry of accomplishing fluently be put into adopt cotton moulding on the glass wool molding machine;
(5) with the glass wool hot pressing of moulding, hot pressing temperature is 500 0C forms the super glass wool plate after hot pressing;
(6) with the super glass wool plate as requested size carry out cutting, become the super glass wool core after the cutting;
(7) with the core heat drying that constitutes; Temperature is 500 during heating 0C, 2 minutes heating times; Temperature is 260 when dry 0C, be 5 minutes time of drying;
(8) with after the dry heat the core outer surface superscribe the gas absorption material, constitute the gas absorption material layer;
The core that (9) will wrap up the gas absorption material layer is put into the barrier film bag and is encapsulated, and takes out the air in the barrier film bag then, makes in the barrier film bag to be vacuum state, and sealing then constitutes super glass wool evacuated insulation panel bullion;
(10) edge of super glass wool evacuated insulation panel bullion is turned up fixing, existing super glass wool vacuum heat-insulating plate according to the invention.
Embodiment 2
The structure of wet method super-fine glass wool vacuum heat-insulating plate and production method are with embodiment 1 in the present embodiment, and just mixing formula is different in the step (2) of production method, and according to customer demand, mixing formula is following:
100 parts of cullet and SiO 266.45 parts of silica, B 2O 34.08 parts of boric oxides, AI 2O 32.5 parts in aluminium oxide, Fe 2O 30.50 part of iron oxide, 7.66 parts in CaO calcium oxide, 30.34 parts in MgO magnesia, Na 215.50 parts of O sodium oxides, K 20.50 part of mixing of O potassium oxide obtains mixture.
Embodiment 3
The structure of wet method super-fine glass wool vacuum heat-insulating plate and production method are with embodiment 1 in the present embodiment, and just mixing formula is different in the step (2) of production method, and according to customer demand, mixing formula is following:
100 parts of cullet and SiO 267.00 parts of silica, B 2O 35.00 parts of boric oxides, AI 2O 31.80 parts in aluminium oxide, Fe 2O 30.35 part of iron oxide, 8.00 parts in CaO calcium oxide, 30.50 parts in MgO magnesia, Na 215.00 parts of O sodium oxides, K 20.60 part of mixing of O potassium oxide obtains mixture.

Claims (1)

1. the production method of a wet method super-fine glass wool vacuum heat-insulating plate is characterized in that:
Said wet method super-fine glass wool vacuum heat-insulating plate comprises: core (1), gas absorption material layer (2), barrier film layer (3); Core (1) is positioned at the innermost layer, and gas absorption material layer (2) is wrapped in the outer surface of core (1), and barrier film layer (3) is wrapped in the outside of gas absorption material layer (2); Said core (1) is the super glass wool central layer;
The concrete steps of said production method are following:
(1) prepares cullet;
(2) mixing formula: 100 parts of cullet are mixed for 0.50 part~0.60 part with 65.00 parts~67.00 parts of silica, 4.00 parts~5.00 parts of boric oxides, 1.80 parts~2.50 parts in aluminium oxide, 0.35 part~0.50 part of iron oxide, 7.5 parts~8.00 parts in calcium oxide, 30.20 parts~30.50 parts in magnesia, 15.00 parts~15.50 parts of sodium oxides, potassium oxide, obtain mixture;
(3) with mixture fusion, fibrosis, obtain glass fibre, glass fiber diameter 3.05 um~4.2um;
(4) be that the glass fibre of 3.05 um~4.2um breaks into slurry with diameter, the slurry of accomplishing fluently be put into adopt cotton moulding on the glass wool molding machine;
(5) with the glass wool hot pressing of moulding, hot pressing temperature is 500 ℃, after hot pressing, forms the wet method super-fine block of glass wool;
(6) with the wet method super-fine block of glass wool as requested size carry out cutting, become wet method super-fine glass wool core after the cutting;
(7) with the core heat drying that constitutes; Temperature is 500 ℃ during heating, 2 minutes heating times; Temperature is 260 ℃ when dry, and be 5 minutes time of drying;
(8) with after the dry heat the core outer surface superscribe the gas absorption material, constitute the gas absorption material layer;
The core that (9) will wrap up the gas absorption material layer is put into the barrier film bag and is encapsulated, and takes out the air in the barrier film bag then, makes in the barrier film bag to be vacuum state, and sealing then constitutes wet method super-fine glass wool vacuum heat-insulating plate bullion;
(10) edge of wet method super-fine glass wool vacuum heat-insulating plate bullion is turned up fixing, said wet method super-fine glass wool vacuum heat-insulating plate.
CN2010105402120A 2010-11-11 2010-11-11 Vacuum insulated panel produced from superfine glass wool with wet process and method for producing same CN102062277B (en)

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CN102330376A (en) * 2011-06-22 2012-01-25 苏州维艾普新材料有限公司 Pulping method of glass wool core material
CN102287012A (en) * 2011-07-06 2011-12-21 苏州维艾普新材料有限公司 Fire-proof, heat-preserving and decorative integrated system
CN102330475B (en) * 2011-07-13 2013-07-31 苏州维艾普新材料有限公司 Vacuum insulation panel core material with high performance and low cost and manufacturing method thereof
CN102953230B (en) * 2011-08-22 2016-09-07 福建赛特新材股份有限公司 A kind of glass chopped strand mats, preparation method and the core for vacuum heat-insulating plate
CN102661006B (en) * 2012-04-29 2014-04-09 万建民 Exterior wall heat insulation plate and production method thereof
CN102720919A (en) * 2012-06-08 2012-10-10 青岛科瑞新型环保材料有限公司 Vacuum insulated panel core and production method thereof
CN103542234A (en) * 2012-07-16 2014-01-29 苏州维艾普新材料有限公司 Dry method extra-fine glass wool vacuum insulated panel core material and preparation method thereof
CN104176940A (en) * 2013-05-23 2014-12-03 苏州维艾普新材料股份有限公司 Vacuum insulation panel glass fiber core material
CN103274603B (en) * 2013-05-31 2015-06-03 重庆再升科技股份有限公司 Novel glass fiber, glass fiber-based vacuum heat-insulating plate core material, and preparation method of core material
CN104295861B (en) * 2014-10-16 2016-08-17 南京航空航天大学 A kind of vacuum heat-insulating plate of low-thermal-bridge
DE102015122756A1 (en) * 2015-12-23 2017-06-29 Saint-Gobain Isover Method for producing vacuum insulation panels
CN107639920A (en) * 2017-09-20 2018-01-30 宣汉正原微玻纤有限公司 A kind of compound dry method hot pressing core material of vacuum heat insulation plate of low thermal conductivity and preparation method thereof
CN107758141A (en) * 2017-10-13 2018-03-06 宿迁南航新材料与装备制造研究院有限公司 A kind of ultralow temperature vacuum insulation plate incubator
CN108642706A (en) * 2018-05-11 2018-10-12 上海邦季新材料有限公司 A kind of preparation method of vacuum insulation panel glass fiber core material

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CN1120027A (en) * 1995-02-20 1996-04-10 中国东北电力集团科技开发公司 Production technology menthod of superfine glass wool
EP1275893A1 (en) * 2000-04-21 2003-01-15 Matsushita Refrigeration Company Vacuum insulating material and device using the same
CN201486072U (en) * 2009-04-20 2010-05-26 成都思摩纳米技术有限公司 Gypsum composite vacuum insulating plate
CN201866468U (en) * 2010-11-11 2011-06-15 太仓宏大方圆电气有限公司 Wet superfine glass wool vacuum insulation panel

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US5601897A (en) * 1994-10-17 1997-02-11 Owens-Corning Fiberglass Technology Inc. Vacuum insulation panel having carbonized asphalt coated glass fiber filler

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1120027A (en) * 1995-02-20 1996-04-10 中国东北电力集团科技开发公司 Production technology menthod of superfine glass wool
EP1275893A1 (en) * 2000-04-21 2003-01-15 Matsushita Refrigeration Company Vacuum insulating material and device using the same
CN201486072U (en) * 2009-04-20 2010-05-26 成都思摩纳米技术有限公司 Gypsum composite vacuum insulating plate
CN201866468U (en) * 2010-11-11 2011-06-15 太仓宏大方圆电气有限公司 Wet superfine glass wool vacuum insulation panel

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Address after: 215400 Taicang City, Jiangsu Province town of Chengxiang City Industrial Park, Yanshan Mountain Road No. 136

Patentee after: SUZHOU V.I.P. NEW MATERIAL CO., LTD.

Address before: 215400 Taicang City, Jiangsu Province town of Chengxiang City Industrial Park, Yanshan Mountain Road No. 136

Patentee before: Suzhou V.I.P. New Material Co., Ltd.

Address after: 215400 Taicang City, Jiangsu Province town of Chengxiang City Industrial Park, Yanshan Mountain Road No. 136

Patentee after: SUZHOU V.I.P. NEW MATERIAL CO., LTD.

Address before: 215400 Taicang City, Jiangsu Province town of Chengxiang City Industrial Park, Yanshan Mountain Road No. 136

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Address after: Room 2321, building 1, No. 268, Jiqingmen street, Gulou District, Nanjing City, Jiangsu Province

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Patentee before: SUZHOU V.I.P. NEW MATERIAL CO., LTD.

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