WO2016085427A1 - Vacuum insulation panel with increased insulation effectiveness - Google Patents

Vacuum insulation panel with increased insulation effectiveness Download PDF

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Publication number
WO2016085427A1
WO2016085427A1 PCT/TR2015/050147 TR2015050147W WO2016085427A1 WO 2016085427 A1 WO2016085427 A1 WO 2016085427A1 TR 2015050147 W TR2015050147 W TR 2015050147W WO 2016085427 A1 WO2016085427 A1 WO 2016085427A1
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WO
WIPO (PCT)
Prior art keywords
core material
vacuum insulation
insulation panel
household appliance
waste polyurethane
Prior art date
Application number
PCT/TR2015/050147
Other languages
French (fr)
Inventor
Yusuf YUSUFOGLU
Original Assignee
Arcelik Anonim Sirketi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP15820911.4A priority Critical patent/EP3224043A1/en
Publication of WO2016085427A1 publication Critical patent/WO2016085427A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/10—Inorganic fibres
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
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    • B32B2266/0221—Vinyl resin
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    • B32B2266/0214—Materials belonging to B32B27/00
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
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    • B32B2307/7244—Oxygen barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
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    • B32B2307/7248—Odour barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2509/00—Household appliances
    • B32B2509/10—Refrigerators or refrigerating equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the present invention relates to a vacuum insulation panel.
  • a vacuum insulation panel is produced by putting a porous core material into a membrane (outer protective envelope) exclusively or together with getter material that retains gas and moisture according to the characteristic of the core material, vacuuming and closing it by providing leak-proofing.
  • the gas pressure is enabled to be decreased by reducing the number of gas molecules in the environment.
  • materials such as precipitated silica, fumed silica, aerogel, fiberglass, open-cell extruded polystyrene and open-cell polyurethane, etc. are used as the core material.
  • the aim of the present invention is the realization of a vacuum insulation panel, the cost of which is decreased without changing the insulation effectiveness.
  • the vacuum insulation panel realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof is produced by vacuuming and pressing an open-porous core material placed into a barrier to prevent scattering.
  • the core material of the present invention comprises waste polyurethane that is pulverized so that the particle size thereof is between 1 nanometer and 20 nanometers. By means of the waste polyurethane whereof the particle size is reduced by pulverization, the insulation efficiency of the insulation material is increased. By means of the present invention, the production cost of the vacuum insulation panel is decreased without changing the insulation performance thereof and eco- friendly products are obtained by recycling waste polyurethane.
  • Figure 1 - is the schematic view of a vacuum insulation panel of the present invention.
  • the vacuum insulation panel (1) comprises a core material (2) with open porous structure and a barrier (3) that holds the core material (2) together.
  • the open porous core material (2) is filled into a barrier (3) preferably together with a getter material, depending on the material properties forming the core material (2) and vacuumed.
  • a vacuum insulation panel (1) is realized comprising the open porous core material (2) having low thermal conductivity coefficient, with increased insulation effectiveness.
  • the core material (2) of the present invention comprises waste polyurethane that is pulverized so that the particle size thereof is between 1 nanometer and 20 nanometers.
  • the porous waste polyurethane reaches very low thermal conductivity coefficient values (4.0 mW/m.K-4.5 mW/m.K) when vacuumed by decreasing the particle size.
  • the thermal conductivity value of the vacuum insulation panel (1) can be adjusted by changing the particle size distribution and the porous structure of the waste polyurethane. As the particle size gets smaller, the thermal conductivity coefficient of the waste polyurethane decreases and conductivity of the vacuum insulation panel (1) decreases.
  • the core material (2) comprises waste polyurethane with a density between 30 kg/m 3 and 50 kg/m 3.
  • the density of the vacuum insulation panel (1) can be adjusted by changing the particle size of the waste polyurethane during the pulverization process. As the density of the waste polyurethane, hence of the core material (2) decreases, the thermal conductivity value of the vacuum insulation panel (1) decreases and the insulation performance is improved.
  • the core material (2) comprises 10% glass fiber by weight and waste polyurethane the particle size of which is between 1 nanometer and 20 nanometers. Glass fiber prevents agglomeration of waste polyurethane with decreased particle size and provides easy homogeneous dispersion in the core material (2). Thus, the flexibility of the vacuum insulation panel (1) is increased.
  • the vacuum insulation panel (1) is suitable to be used inside the door and/or the body of a household appliance.
  • the household appliance is a cooling device.
  • the household appliance is an oven.
  • the household appliance is a laundry dryer
  • the household appliance is a dishwasher.
  • the thermal conductivity of the vacuum insulation panel (1) is reduced, enabling the cooling device (1) to operate more efficiently.
  • the amount of waste polyurethane, that is produced while destroying the used cooling devices (1) and that is destroyed by being burned or buried into the ground, is decreased.
  • the energy and material consumption is reduced and environmentally-friendly products are produced.

Abstract

The present invention relates to a vacuum insulation panel (1) comprising a core material (2) with open porous structure and a barrier (3) that holds the core material (2) together. The open porous core material (2) is filled into a barrier (3) preferably together with a getter material, depending on the material properties forming the core material (2) and vacuumed. Thus, a vacuum insulation panel (1) is realized comprising the open porous core material (2) having low thermal conductivity coefficient, with increased insulation effectiveness.

Description

VACUUM INSULATION PANEL WITH INCREASED INSULATION
EFFECTIVENESS
The present invention relates to a vacuum insulation panel.
Nowadays vacuum insulation panels are used in various fields since they have better performance with respect to the conventional insulation materials and since they provide better thermal resistance by using the insulating feature of the vacuum. Basically, a vacuum insulation panel is produced by putting a porous core material into a membrane (outer protective envelope) exclusively or together with getter material that retains gas and moisture according to the characteristic of the core material, vacuuming and closing it by providing leak-proofing. In the vacuum insulation panels, in order to obtain the vacuum effect, the gas pressure is enabled to be decreased by reducing the number of gas molecules in the environment. In the state of the art, materials such as precipitated silica, fumed silica, aerogel, fiberglass, open-cell extruded polystyrene and open-cell polyurethane, etc. are used as the core material.
In the state of the art United States Patent Document no. US4681788, the mixtures of precipitated silica and fly ash in different ratios are used as the core material of the vacuum insulation panel.
The aim of the present invention is the realization of a vacuum insulation panel, the cost of which is decreased without changing the insulation effectiveness.
The vacuum insulation panel realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof is produced by vacuuming and pressing an open-porous core material placed into a barrier to prevent scattering. The core material of the present invention comprises waste polyurethane that is pulverized so that the particle size thereof is between 1 nanometer and 20 nanometers. By means of the waste polyurethane whereof the particle size is reduced by pulverization, the insulation efficiency of the insulation material is increased. By means of the present invention, the production cost of the vacuum insulation panel is decreased without changing the insulation performance thereof and eco- friendly products are obtained by recycling waste polyurethane.
A vacuum insulation panel realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
Figure 1 - is the schematic view of a vacuum insulation panel of the present invention.
The elements illustrated in the figures are numbered as follows:
1. Vacuum insulation panel
2. Core material
3. Barrier
The vacuum insulation panel (1) comprises a core material (2) with open porous structure and a barrier (3) that holds the core material (2) together. The open porous core material (2) is filled into a barrier (3) preferably together with a getter material, depending on the material properties forming the core material (2) and vacuumed. Thus, a vacuum insulation panel (1) is realized comprising the open porous core material (2) having low thermal conductivity coefficient, with increased insulation effectiveness.
The core material (2) of the present invention comprises waste polyurethane that is pulverized so that the particle size thereof is between 1 nanometer and 20 nanometers. The porous waste polyurethane reaches very low thermal conductivity coefficient values (4.0 mW/m.K-4.5 mW/m.K) when vacuumed by decreasing the particle size. The thermal conductivity value of the vacuum insulation panel (1) can be adjusted by changing the particle size distribution and the porous structure of the waste polyurethane. As the particle size gets smaller, the thermal conductivity coefficient of the waste polyurethane decreases and conductivity of the vacuum insulation panel (1) decreases. In an embodiment of the present invention, the core material (2) comprises waste polyurethane with a density between 30 kg/m 3 and 50 kg/m 3. The density of the vacuum insulation panel (1) can be adjusted by changing the particle size of the waste polyurethane during the pulverization process. As the density of the waste polyurethane, hence of the core material (2) decreases, the thermal conductivity value of the vacuum insulation panel (1) decreases and the insulation performance is improved.
In an embodiment of the present invention, the core material (2) comprises 10% glass fiber by weight and waste polyurethane the particle size of which is between 1 nanometer and 20 nanometers. Glass fiber prevents agglomeration of waste polyurethane with decreased particle size and provides easy homogeneous dispersion in the core material (2). Thus, the flexibility of the vacuum insulation panel (1) is increased.
In an embodiment of the present invention, the vacuum insulation panel (1) is suitable to be used inside the door and/or the body of a household appliance.
In a derivative of this embodiment, the household appliance is a cooling device.
In a derivative of this embodiment, the household appliance is an oven.
In a derivative of this embodiment, the household appliance is a laundry dryer
In a derivative of this embodiment, the household appliance is a dishwasher. By means of the present invention, particularly by means of the polyurethane with decreased particle size, the thermal conductivity of the vacuum insulation panel (1) is reduced, enabling the cooling device (1) to operate more efficiently. Moreover, the amount of waste polyurethane, that is produced while destroying the used cooling devices (1) and that is destroyed by being burned or buried into the ground, is decreased. By means of the recycling of the waste polyurethane used in the production of the vacuum insulation panel (1), the energy and material consumption is reduced and environmentally-friendly products are produced.

Claims

1. A vacuum insulation panel (1) comprising open porous core material (2) and a barrier (3) that holds the core material (2) together, characterized in that the core material (2) comprising waste polyurethane that is pulverized so that the particle size thereof is between 1 nanometer and 20 nanometers.
2. A vacuum insulation panel (1) as in any one of the above claims, characterized in that the core material (2) comprising the waste polyurethane that is pulverized so that the density thereof is within the range of 30 kg/m and 50 kg/m3.
3. A vacuum insulation panel (1) as in any one of the above claims, characterized in that the core material (2) comprising glass fiber and waste polyurethane that is pulverized so that that the particle size thereof is between 1 nanometer and 20 nanometers.
4. A household appliance, characterized in that a body and/or a door comprising a vacuum insulation panel (1) as in any one of the above claims.
5. A household appliance as in Claim 4, which is a cooling device.
6. A household appliance as in Claim 4, which is an oven.
7. A household appliance as in Claim 4, which is a laundry dryer.
8. A household appliance as in Claim 4, which is a dishwasher.
PCT/TR2015/050147 2014-11-26 2015-10-23 Vacuum insulation panel with increased insulation effectiveness WO2016085427A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15820911.4A EP3224043A1 (en) 2014-11-26 2015-10-23 Vacuum insulation panel with increased insulation effectiveness

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2014/14043 2014-11-26
TR201414043 2014-11-26

Publications (1)

Publication Number Publication Date
WO2016085427A1 true WO2016085427A1 (en) 2016-06-02

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Country Status (2)

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EP (1) EP3224043A1 (en)
WO (1) WO2016085427A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681788A (en) 1986-07-31 1987-07-21 General Electric Company Insulation formed of precipitated silica and fly ash
JPH09303676A (en) * 1996-05-09 1997-11-28 Matsushita Refrig Co Ltd Vacuum heat insulator
WO1999003661A1 (en) * 1997-07-18 1999-01-28 Arcelik A.S. Method of benefiting from waste polyurethane foam material as an input material in production of a composite material and composite material produced with this method
US6164030A (en) * 1996-07-29 2000-12-26 Bayer Aktiengesellschaft Fixed vacuum insulation panel
JP2003139291A (en) * 2001-10-31 2003-05-14 Hitachi Ltd Thermal insulation material
WO2011003711A2 (en) * 2009-07-07 2011-01-13 Arcelik Anonim Sirketi A refrigerator comprising plastic inner liner
JP2014077033A (en) * 2012-10-09 2014-05-01 Mitsui Chemicals Inc Rigid polyurethane foam and vacuum heat insulation material

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