EP3344452A1 - Mehrschichtiges reflektierendes isoliersystem - Google Patents

Mehrschichtiges reflektierendes isoliersystem

Info

Publication number
EP3344452A1
EP3344452A1 EP16842919.9A EP16842919A EP3344452A1 EP 3344452 A1 EP3344452 A1 EP 3344452A1 EP 16842919 A EP16842919 A EP 16842919A EP 3344452 A1 EP3344452 A1 EP 3344452A1
Authority
EP
European Patent Office
Prior art keywords
layer
scattering optic
optic layer
layers
scattering
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP16842919.9A
Other languages
English (en)
French (fr)
Other versions
EP3344452A4 (de
Inventor
Dennis Grubb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Efx Energy Technologies LLC
Original Assignee
Efx Energy Technologies LLC
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 Efx Energy Technologies LLC filed Critical Efx Energy Technologies LLC
Publication of EP3344452A1 publication Critical patent/EP3344452A1/de
Publication of EP3344452A4 publication Critical patent/EP3344452A4/de
Withdrawn legal-status Critical Current

Links

Classifications

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    • E04B2001/7691—Heat reflecting layers or coatings

Definitions

  • the present invention relates generally to multi-layered reflective insulating composites and a method of fabricating those composites.
  • the present invention recognizes the importance of recognizing the behavior of mid-range infrared (IR) as a form of electromagnetic radiation other than x-rays, visible light, or radio waves, for example.
  • IR infrared
  • plastics In plastics, a result of this is that relatively simple, linear polymers using a few elements like polyethylene or polypropylene are nearly transparent to IR whereas plastics including more complex, non-linear polymers using many elements like polyurethane or polyetherimide are very opaque (or absorbent). This often remains true regardless of visible appearances which, again, may differ greatly.
  • the present invention comprises a low density, thermally insulating multi-layered reflective insulation system.
  • the multi-layered reflective insulation of the present invention comprises a plurality of layers, including, but not limited to, a combination of any number of the following layers disposed on each other: scattering optics, multi-layer insulation, microsphere film, and polyblend foam.
  • US 44421 65 A to Gebhardt, Joseph J., et al., entitled “Low-Density Thermally Insulating Carbon- Carbon Syntactic Foam Composite”, discloses an insulating composite comprising a syntactic foam material, pyrolytic graphite, and a boron in layer which enables the composite to reflect infrared energy.
  • Composition discloses an insulating syntactic foam composition.
  • the present invention provides a low density, thermally insulating multi-layered reflective insulation system that is easy to install, offers increased R-value resulting in increased insulation, and cost effective.
  • the present invention comprises a multi-layered reflective insulation system comprising a first protective layer; a first scattering optic layer; microsphere film layers; a polyblend foam layer; a second scattering optic layer; and a second protective layer.
  • the present invention also comprises a method of manufacture of a multi-layered reflective insulation system comprising a first protective layer; a first scattering optic layer; microsphere film layers; a polyblend foam layer; a second scattering optic layer; a second protective layer; securably disposing the layers on top of each other; and securably attaching the layers.
  • FIG. 1 illustrates a partial sectional isometric view of the multi-layered reflective insulation system of the present invention
  • FIG. 2 illustrates a partial sectional view of one embodiment of the embossed tile pattern of the scattering optic layer.
  • the term “horizontal” as used herein is defined as a plane parallel to the plane or surface of the insulation system, regardless of its orientation.
  • the term “vertical” refers to a direction perpendicular to the horizontal as just defined. Terms, such as “above”, “below”, “bottom”, “top”, “side”, “higher”, “lower”, “upper”, “over”, and “under”, are defined with respect to the horizontal plane, as shown in the figures.
  • the term “on” means that there is direct contact among elements.
  • FIG. 1 illustrates a partial sectional isometric view of the multi-layered reflective insulation system of the present invention.
  • Multi-layered reflective insulation system 101 comprises a plurality of layers, including, but not limited to, any combination of any number of the following layers disposed on each other: first protective layer 102; first scattering optic layer 103; microsphere film layers 104 and 104' ; polyblend foam layer 105; second scattering optic layer 106; and second protective layer 107.
  • the layers of multi-layered reflective insulation system 101 are arranged in the following order: first protective layer 102; first scattering optic layer 103; microsphere film layer 104; polyblend foam layer 105; microsphere film layer 104' ; second scattering optic layer 106; and second protective layer 107.
  • the layers of the multi-layered reflective insulation system 101 are disposed on each other and securably attached using a glue, resin, or other attaching material or process.
  • FIG. 2 illustrates a partial sectional view of one embodiment of the tile pattern of first scattering optic layer 103 and/or second scattering optic layer 106 of the present invention.
  • scattering optics of scattering optic pattern 201 are embossed in a hexagonal pattern.
  • First protective layer 102 and second protective layer 107 comprise a plastic, or other infrared transparent protective film, that acts as an infrared transparent protective film.
  • First scattering optic layer 103 and second scattering optic layer 106 comprise a film with an embossed pattern on a polymer foam. This layer provides reflective insulation.
  • the film with an embossed pattern of first scattering optic layer 103 and second scattering optic layer 106 are disposed on a polymer or copolymer foam.
  • the film with an embossed pattern of first scattering optic layer 103 and second scattering optic layer 106 is copper or copper-colored.
  • the film with an embossed pattern of first scattering optic layer 103 and second scattering optic layer 106 is aluminum or aluminum-colored. Aluminum is preferred for visible light, while copper is preferred for infrared light.
  • First scattering optic layer 103 and second scattering optic layer 106 reflect heat.
  • the multi-layered reflective insulation system 101 keeps warm or cold air in an enclosure or structure insulated with multi-layered reflective insulation system 101 , while reflecting warm or cold air from the outside.
  • the first scattering optic layer 103 and second scattering optic layer 106 act as a first barrier to reflect visible and infrared light. Any combination of copper, aluminum, or any metal that aids in reflectance of IR energy can be used on first scattering optic layer 103 and second scattering optic layer 106.
  • the embossed pattern of first scattering optic layer 103 and/or second scattering optic layer 106 comprise a hexagonal pattern.
  • the embossed pattern of first scattering optic layer 103 and/or second scattering optic layer 106 comprise a tiled pattern.
  • the embossed pattern of first scattering optic layer 103 and/or second scattering optic layer 106 comprise a polygon pattern.
  • the pattern of first scattering optic layer 103 and/or second scattering optic layer 106 comprise a non-embossed pattern.
  • first scattering optic layer 103 and/or second scattering optic layer 106 comprise no embossed or non-embossed pattern.
  • First scattering optic layer 103 and second scattering optic layer 106 can compromise any combination of the aforementioned embodiments.
  • the reflective film of first scattering optic layer 103 and second scattering optic layer 106 comprise Tyvek or other water-resistant, but vapor permeable, polymer textile.
  • This reflective film may or may not be disposed on the film with an embossed pattern, which may or may not be disposed on a polymer or copolymer foam.
  • Infrared transparent materials for retro-reflective microspheres including, but not limited to, glass or plastic, boost reflectivity of a first reflective surface or use of multi-layer infrared reflective films with infrared transparent scrims in a reflective insulation.
  • Microsphere film layers 104 and 104' comprise a plurality of polymers as a manufacturing adhesive and/or particle carrier of microspheres.
  • the microspheres reflect IR energy, thus aiding in overall performance and improved R-value of the multi-layered reflective insulation system 101.
  • Microsphere film layers 104 and 104' further comprise a plurality of phase-change material microspheres for temperature management or polymer microspheres that serve as conductive and radiative insulation.
  • Microsphere film layers 104 and 104' further comprise ceramic or glass microspheres that serve as conductive and radiative insulation.
  • microspheres acting as infrared retroreflectors of microsphere film layers 104 and 104' are disposed directly onto polyblend foam layer 105.
  • the microspheres acting as infrared retroreflectors of microsphere film layers 104 and 104' are made of germanium.
  • the microspheres acting as infrared retroreflectors of microsphere film layers 104 and 104' are any microspheres that aid in IR reflective energy and that improve the overall R-value of the multi-layered reflective insulation system 101.
  • microsphere film layers 104 and 104' comprise a syntactic foam.
  • Polyblend foam layer 105 comprises a polymer or copolymer with or without a fire retardant.
  • the copolymer of the polyblend foam layer 105 comprises ethylene-vinyl acetate, low-density polyethylene, or any combination of the two.
  • the copolymer of the polyblend foam layer 105 comprises, at least in part, polyethylene-vinyl acetate.
  • the copolymer of the polyblend foam layer 105 comprises a polymer alloy foam.
  • the polymer or copolymer of polyblend foam layer 105 comprises, at least in part, microspheres. The polymer or copolymer is melted and then the microspheres are added. The mixture is then cooled and may be extruded and turned into pellets. The pellets are then turned into polyblend foam layer 105.
  • multi-layered reflective insulation system 101 comprises a plurality of layers.
  • the layers of the multi-layered reflective insulation system 101 are disposed on each other and securably attached using a glue, resin, or other attaching material or process.
  • holes are displaced through multi-layered reflective insulation system 101.
  • the addition of the holes allows for air permeability.
  • the holes are formed by insertion of heated piercing means through multi-layered reflective insulation system 101. This ensures the holes have closed edges and will not close with the change of the environmental temperature.
  • the holes can be arranged in any pattern or randomly.
  • the holes are formed by punching means, with or without the addition of heat to the punching means.
  • the holes are formed by piercing means, without the addition of heat to the piercing means.
  • Prior art insulation systems do not include melted holes, copper/aluminum scattering optics layers, and/or microspheres as used in the present invention.
  • the present invention provides the following improvements over prior art insulation systems, including, but not limited to, cost and increased R-value.

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EP16842919.9A 2015-08-31 2016-08-31 Mehrschichtiges reflektierendes isoliersystem Withdrawn EP3344452A4 (de)

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US201562212486P 2015-08-31 2015-08-31
PCT/US2016/049725 WO2017040683A1 (en) 2015-08-31 2016-08-31 Multi-layered reflective insulation system

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US3619340A (en) * 1969-01-21 1971-11-09 Peter Jones Multilayered thermal insulation material
US4303729A (en) * 1979-07-20 1981-12-01 Torobin Leonard B Hollow plastic microspheres
US4442165A (en) * 1981-03-26 1984-04-10 General Electric Co. Low-density thermally insulating carbon-carbon syntactic foam composite
DE19914105A1 (de) * 1999-03-23 2000-09-28 Wolfgang Reimann Wärmedämmplatte mit verbesserter Wärmedämmung
US6284809B1 (en) * 1999-12-07 2001-09-04 Emerson & Cuming Composite Materials Inc. Thermally insulating syntactic foam composition
US6797356B2 (en) * 2001-02-27 2004-09-28 Cgi Silvercote Inc. Reflective insulation
GB2491414B (en) * 2011-06-03 2017-11-01 Acell Ind Ltd Composite Open-Cell Foam Insulating Panels

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WO2017040683A1 (en) 2017-03-09
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CA2996783A1 (en) 2017-03-09
GB201805292D0 (en) 2018-05-16

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