HRP970104A2 - Vacuum insulating panels wraped on both sides by a foil containing metal or by a metal covering layer - Google Patents
Vacuum insulating panels wraped on both sides by a foil containing metal or by a metal covering layer Download PDFInfo
- Publication number
- HRP970104A2 HRP970104A2 HR29608385.2A HRP970104A HRP970104A2 HR P970104 A2 HRP970104 A2 HR P970104A2 HR P970104 A HRP970104 A HR P970104A HR P970104 A2 HRP970104 A2 HR P970104A2
- Authority
- HR
- Croatia
- Prior art keywords
- metal
- vacuum
- vacuum insulating
- foil containing
- wrapping
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 21
- 239000002184 metal Substances 0.000 title claims description 21
- 239000011888 foil Substances 0.000 title claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 11
- 239000008259 solid foam Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 235000013312 flour Nutrition 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 229920001228 polyisocyanate Polymers 0.000 description 6
- 239000005056 polyisocyanate Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Refrigerator Housings (AREA)
- Thermal Insulation (AREA)
- Building Environments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Vakuumske izolacijske ploče postavljaju se obično za toplinsku izolaciju. Poznate vakuumske izolacijske ploče sastoje se od predkomprimiranog poroznog materijala, porozne prešane ploče ili otvorenostaničnog čvrstog pjenastog materijala kao substrata, koji je obavijen folijom nepropusnom za plinove, pri čemu se folija nakon evakuiranja zatali ili zalijepi. Vacuum insulating panels are usually installed for thermal insulation. Known vacuum insulation boards consist of pre-compressed porous material, porous pressed board or open-cell solid foam material as a substrate, which is covered with a foil impermeable to gases, whereby the foil is sealed or glued after evacuation.
Takove vakuumske izolacijske ploče uporabljuju se već u proizvodnji prostora za hlađenje, primjerice hladnjaka, umetanjem između vanjskog i unutrašnjeg kućišta, a preostali se međuprostor između vanjskog i unutrašnjeg kućišta ispjeni. Such vacuum insulating panels are already used in the production of cooling spaces, for example refrigerators, by inserting them between the outer and inner casing, and the remaining intermediate space between the outer and inner casing is foamed.
Kao punilo služe primjerice istaložene i osušene silicijeve kiseline, silikageli, pepeli, otvorenostanične pjene na organskoj bazi, kao poliuretanske čvrste pjene ili vezano poliuretansko čvrsto pjenasto brašno, kao što je primjerice opisano u DE 4 439 331 i DE 4 439 328. For example, precipitated and dried silicic acids, silica gels, ashes, open-cell foams on an organic basis, as polyurethane solid foams or bound polyurethane solid foam flour, as described for example in DE 4 439 331 and DE 4 439 328, serve as fillers.
Za ovojne folije odabire se u pravilu asimetrična građa, pri čemu se jedna strana sastoji od difuzijski nepropusne aluminijske folije, a druga strana je višeslojan ovoj od umjetnog materijala. As a rule, an asymmetric structure is chosen for the wrapping foils, where one side consists of a diffusion-impermeable aluminum foil, and the other side is a multi-layer foil made of artificial material.
Primjena ovojnih folija koje sadrže aluminij s obje strane do sada je izostala, zbog izbjegavanja mogućnosti protoka topline kroz varni šav. The application of wrapping foils containing aluminum on both sides has been absent so far, due to the avoidance of the possibility of heat flow through the welding seam.
Iznenađujuće je pronađeno da se doprinos toplinske vodljivosti preko ruba u obostranom ovoju folijom koja sadrži metal, ili metalnim pokrovnim slojem, može zanemariti, kada se primjenjuju vakuumske izolacijske ploče pravokutnog oblika duljine ruba od najmanje 40 cm. It has surprisingly been found that the contribution of heat conduction across the edge in a double-sided wrap with a metal-containing foil, or a metal cover layer, can be neglected, when rectangular shaped vacuum insulating panels with an edge length of at least 40 cm are used.
Predmet predloženog izuma stoga su izolacijske ploče, koje se sastoje od otvoretnostaniočnog substrata, koji je sa svih strana obavijen ovojnom folijom koja sadrži metal, ili metalnim ovojnim slojem, a koji imaju duljinu ruba od najmanje po 40 cm. The object of the proposed invention is therefore insulating panels, which consist of an open-cell substrate, which is surrounded on all sides by a wrapping foil containing metal, or a metal wrapping layer, and which have an edge length of at least 40 cm.
Kao substrat prikladan je u danom slučaju prethodno prešani materijal sastavljen od istaložene silicijeve kiseline, silikagela i/ili poliuretnskog čvrstog pjenastog praška, pri čemu se može provesti prešanje u nazočnosti prikladnih ljepila za postizanje specifične stabilnosti. Nadalje, kao substrati prikladne su poliuretanske čvrste pjenaste ploče otvorenih pora. In this case, pre-pressed material composed of precipitated silicic acid, silica gel and/or polyurethane solid foam powder is suitable as a substrate, whereby pressing can be carried out in the presence of suitable adhesives to achieve specific stability. Furthermore, open-cell polyurethane rigid foam boards are suitable as substrates.
Ponajprije se kao substrati primjenjuju poliuretanske čvrste pjenaste ploče otvorenih pora ili ploče od prethodno prešanog i u danom slučaju lijepljenog poliuretanskog čvrstog pjenastog brašna. Polyurethane solid foam boards with open pores or boards made of pre-pressed and in the given case glued polyurethane solid foam flour are primarily used as substrates.
Vakuumske izolacijske ploče prema pronalasku imaju duljinu ruba od najmanje 40 cm, ponajprije duljinu ruba 45 cm x 65 cm. Debljina ploča prema pronalasku je obično u području od 0.5 do 5 cm. The vacuum insulating panels according to the invention have an edge length of at least 40 cm, preferably an edge length of 45 cm x 65 cm. The thickness of the panels according to the invention is usually in the range of 0.5 to 5 cm.
Mjerenja su pokazala, da ovojne folije koje sadrže metal ili metalni ovojni slojevi ne utječu na toplinsku vodljivost vakuumskih izolacijskih ploča koje su njima obavijene. Measurements have shown that wrapping foils containing metal or metal wrapping layers do not affect the thermal conductivity of vacuum insulating panels that are covered with them.
U prednosti su savitljive ovojne folije, koje se sastoje od najmanje dva sloja. The advantages are flexible wrapping films, which consist of at least two layers.
Posebice su u prednosti ovojne folije koje sadrže aluminij, uz aluminijski sloj debljine 5 do 25 µm, ponajprije 9 do 15µm. Wrapping foils containing aluminum are particularly advantageous, with an aluminum layer 5 to 25 µm thick, preferably 9 to 15 µm.
Primjeri mogućih sastava su: Examples of possible compositions are:
1. polietilen/aluminij/poliester 1. polyethylene/aluminum/polyester
2. polietilen/aluminij/polietilen/poliester 2. polyethylene/aluminum/polyethylene/polyester
3. polipropilen/aluminij/poliester. 3. polypropylene/aluminum/polyester.
Postoji mogućnost za odabir ovoja tako, da se na prednju i stražnju stranu ploče postave različito građene ovojne folije. Tako može primjerice jedna strana ovojne folije imati aluminijev sloj debljine 9 µm, a druga strana 20 µm. There is a possibility to choose the cover so that different construction foils are placed on the front and back of the panel. Thus, for example, one side of the wrapping film can have an aluminum layer 9 µm thick, and the other side 20 µm.
U prednosti su za uporabu kao metalni pokrovni slojevi čelične ploče, a posebice su u prednosti ploče od nehrđajućeg čelika. They are advantageous for use as metal covering layers of steel plates, and they are particularly advantageous for stainless steel plates.
Takve ovojne folije koje sadrže metal ili metalni pokrovni sloj već su poznate i tržišno dostupne. Such wrapping foils containing metal or a metal covering layer are already known and commercially available.
Vakuumske izolacijske ploče prema pronalasku priprave se tako, da se substrat s obje strane obavije ovojnom folijom koja sadrži metal i nepropusna je za plinove, te se potom na način poznat po sebi nakon evakuiranja folija zatali ili zalijepi, ili tako da se substrat s obje strane obavije metalnim pokrovnim slojem, evakuira i hermetički zatali. The vacuum insulating panels according to the invention are prepared in such a way that the substrate is wrapped on both sides with an envelope film that contains metal and is impermeable to gases, and then it is sealed or glued in a manner known per se after evacuating the foil, or by gluing the substrate on both sides wrap with a metal covering layer, evacuate and hermetically seal.
Vakuumske izolacijske ploče prema pronalasku postavljaju se za toplinsku izolaciju zidova rashladnih prostora ili rashladnih uređaja, kao što su primjerice hladnjaci i rashladne škrinje. The vacuum insulation panels according to the invention are installed for thermal insulation of the walls of refrigerating spaces or refrigerating devices, such as, for example, refrigerators and refrigerating chests.
Pronalazak se objašnjava pomoću priložene slike. The invention is explained using the attached image.
Slika prikazuje poprečni presjek vakuumske izolacijske ploče prema pronalasku, koja se sastoji od punila otvorenih pora 1 (primjerice, kao substrat, poliuretansko čvrsto pjenasto brašno prešano s poliizocijanatom) kao i ovojne folije koja sadrži metal ili metalnog pokrovnog sloja 2. The figure shows a cross-section of a vacuum insulation board according to the invention, which consists of an open-pore filler 1 (for example, as a substrate, polyurethane solid foam flour pressed with polyisocyanate) as well as a wrapping foil containing a metal or a metal covering layer 2.
Sljedeći primjeri pobliže objašnjavaju pronalazak, bez ograničavanja njegovog opsega. The following examples further illustrate the invention without limiting its scope.
PRIMJERI: EXAMPLES:
Primjer 1 Example 1
580 g PUR-čvrstog pjenastog brašna iz ciklusnog pogona rashladnog uređaja jednolično se pomiješa s 20 g vode i 58 g poliizocijanatne smjese od difenilmetandiizocijanata i polifenilpolimetilenpoliizocijanata (Desmodur VP.PU 1520 A 20, Bayer AG) u plužnoj miješalici s 2 mlaznice za materijal. Iz te smjese se u kalupu oblikuje uzorak, jednolično se zgusne i potom preša na 20 mm, u laboratorijskoj preši pod tlakom od 5 bara i pri temperaturi od 120 °C kroz 8 minuta uz primjenu programa za mjerenje vremena. 580 g of PUR-solid foam flour from the cycle plant of the cooling device is uniformly mixed with 20 g of water and 58 g of a polyisocyanate mixture of diphenylmethane diisocyanate and polyphenylpolymethylene polyisocyanate (Desmodur VP.PU 1520 A 20, Bayer AG) in a plow mixer with 2 material nozzles. From this mixture, a sample is formed in a mold, uniformly thickened and then pressed to 20 mm, in a laboratory press under a pressure of 5 bar and at a temperature of 120 °C for 8 minutes with the application of a time measurement program.
Tako se dobije porozna ploča debljine 20 mm, sirove gustoće 200 kg/m3. Ploča se grije cca. 2 sata na 120°C, čime se uklone svi površinski sastojci. In this way, a porous plate with a thickness of 20 mm and a raw density of 200 kg/m3 is obtained. The plate is heated approx. 2 hours at 120°C, which removes all surface ingredients.
Ploča se ovije s obje strane čeličnom pločom, evakuira i hermetički zatali. The plate is wrapped on both sides with a steel plate, evacuated and hermetically sealed.
Primjer 2 Example 2
Pravokutno tijelo poliuretanskog čvrstog pjenastog brašna prešanog s poliizocijanatom (priprava prema primjeru 1). Veličina: 40x40x2 cm3 Rectangular body of polyurethane solid foam flour pressed with polyisocyanate (preparation according to example 1). Size: 40x40x2 cm3
Toplinska vodljivost pri 0.6 bara: 8.3 mW/mK Thermal conductivity at 0.6 bar: 8.3 mW/mK
Primjer 3 Example 3
Vakuumska izolacijska ploča, koja se sastoji od pravokutnog tijela poliuretanskog čvrstog pjenastog brašna prešanog s poliizocijanatom (priprava prema primjeru 1) i ovitkom sa svih strana aluminijskom ovojnom folijom, koja sadrži 12 µm debeli aluminijev sloj; unutrašnji tlak: cca. 0.6 mbara. Vacuum insulation board, which consists of a rectangular body of solid polyurethane foam flour pressed with polyisocyanate (preparation according to example 1) and covered on all sides with an aluminum wrapping foil, which contains a 12 µm thick aluminum layer; internal pressure: approx. 0.6 mbar.
Veličina: 40x40x2 cm3 Size: 40x40x2 cm3
Toplinska vodljivost: 8.3 mvV/mK Thermal conductivity: 8.3 mV/mK
Primjer 4 (usporedba) Example 4 (comparison)
Vakuumska izolacijska ploča, koja se sastoji od pravokutnog tijela poliuretanskog čvrstog pjenastog brašna prešanog s poliizocijanatom (priprava prema primjeru 1) i ovitka sa svih strana aluminijskom ovojnom folijom, koja sadrži 12 µm debeli aluminijev sloj; unutrašnji tlak: cca. 0.6 mbara. Vacuum insulating panel, which consists of a rectangular body of solid polyurethane foam flour pressed with polyisocyanate (preparation according to example 1) and covered on all sides with aluminum wrapping foil, which contains a 12 µm thick aluminum layer; internal pressure: approx. 0.6 mbar.
Veličina: 25x25x2 cm3 Size: 25x25x2 cm3
Toplinska vodljivost: 9 mW/mK Thermal conductivity: 9 mW/mK
Primjeri 2 do 4 pokazuju, da u vakuumskih ploča većih od veličine prema pronalasku, ovojna folija koja sadrži aluminij a koja se primijeni za obavijanje, ne utječe na toplinsku vodljivost dobivene vakuumske izolacijske ploče. Examples 2 to 4 show that in vacuum plates larger than the size according to the invention, the wrapping film containing aluminum, which is used for wrapping, does not affect the thermal conductivity of the obtained vacuum insulating plate.
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29605338U DE29605338U1 (en) | 1996-03-22 | 1996-03-22 | Vacuum insulation panel coated on both sides with aluminum-containing composite film |
| DE29608385U DE29608385U1 (en) | 1996-05-09 | 1996-05-09 | Vacuum insulation panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP970104A2 true HRP970104A2 (en) | 1998-02-28 |
Family
ID=26058771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR29608385.2A HRP970104A2 (en) | 1996-03-22 | 1997-02-25 | Vacuum insulating panels wraped on both sides by a foil containing metal or by a metal covering layer |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0888512A1 (en) |
| JP (1) | JP2000507340A (en) |
| KR (1) | KR20000004917A (en) |
| AU (1) | AU2025897A (en) |
| BR (1) | BR9708328A (en) |
| CA (1) | CA2249537A1 (en) |
| DE (1) | DE19780241D2 (en) |
| HR (1) | HRP970104A2 (en) |
| TR (1) | TR199801880T2 (en) |
| WO (1) | WO1997036129A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR200300968T1 (en) | 2000-12-22 | 2004-05-21 | Arcelik As | An insulated unit |
| EP1566264B2 (en) * | 2004-02-18 | 2011-11-23 | SCHWENK Dämmtechnik GmbH & Co KG | Heat insulating panel |
| US20100231109A1 (en) | 2006-06-22 | 2010-09-16 | Basf Se | Thermal insulation elements |
| IN2013CN06932A (en) * | 2011-03-04 | 2015-08-07 | Basf Se |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0184415B1 (en) * | 1984-12-04 | 1990-12-05 | Nippon Sanso Kabushiki Kaisha | Evacuated heat insulation unit |
| US5018328A (en) * | 1989-12-18 | 1991-05-28 | Whirlpool Corporation | Multi-compartment vacuum insulation panels |
| DE4019870A1 (en) * | 1990-06-22 | 1992-01-09 | Degussa | VACUUM INSULATION PANEL WITH ASYMMETRIC CONSTRUCTION |
| US5330816A (en) * | 1992-12-23 | 1994-07-19 | Owens-Corning Fiberglas Technology Inc. | High R super insulation panel |
-
1997
- 1997-02-25 HR HR29608385.2A patent/HRP970104A2/en not_active Application Discontinuation
- 1997-03-10 JP JP9533984A patent/JP2000507340A/en active Pending
- 1997-03-10 DE DE19780241T patent/DE19780241D2/en not_active Ceased
- 1997-03-10 KR KR1019980707476A patent/KR20000004917A/en not_active Application Discontinuation
- 1997-03-10 AU AU20258/97A patent/AU2025897A/en not_active Abandoned
- 1997-03-10 WO PCT/EP1997/001199 patent/WO1997036129A1/en not_active Application Discontinuation
- 1997-03-10 EP EP97908204A patent/EP0888512A1/en not_active Withdrawn
- 1997-03-10 CA CA002249537A patent/CA2249537A1/en not_active Abandoned
- 1997-03-10 TR TR1998/01880T patent/TR199801880T2/en unknown
- 1997-03-10 BR BR9708328A patent/BR9708328A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000507340A (en) | 2000-06-13 |
| KR20000004917A (en) | 2000-01-25 |
| CA2249537A1 (en) | 1997-10-02 |
| BR9708328A (en) | 1999-08-03 |
| WO1997036129A1 (en) | 1997-10-02 |
| DE19780241D2 (en) | 1999-06-17 |
| AU2025897A (en) | 1997-10-17 |
| EP0888512A1 (en) | 1999-01-07 |
| TR199801880T2 (en) | 1998-12-21 |
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|---|---|---|---|
| A1OB | Publication of a patent application | ||
| AIPI | Request for the grant of a patent on the basis of a substantive examination of a patent application | ||
| OBST | Application withdrawn |