EP2016325A2 - Matériau isolant réfléchissant sous forme de film polymère métallisé - Google Patents
Matériau isolant réfléchissant sous forme de film polymère métalliséInfo
- Publication number
- EP2016325A2 EP2016325A2 EP07719557A EP07719557A EP2016325A2 EP 2016325 A2 EP2016325 A2 EP 2016325A2 EP 07719557 A EP07719557 A EP 07719557A EP 07719557 A EP07719557 A EP 07719557A EP 2016325 A2 EP2016325 A2 EP 2016325A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bubble
- film
- metallized
- pack
- thermoplastic
- 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- Withdrawn
Links
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- 239000000463 material Substances 0.000 claims abstract description 101
- 239000003063 flame retardant Substances 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 56
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- 239000004698 Polyethylene Substances 0.000 claims abstract description 40
- 229920000573 polyethylene Polymers 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
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- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 229920006327 polystyrene foam Polymers 0.000 claims abstract description 5
- 239000010408 film Substances 0.000 claims description 154
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- 239000004416 thermosoftening plastic Substances 0.000 claims description 87
- 239000010410 layer Substances 0.000 claims description 70
- 238000009413 insulation Methods 0.000 claims description 63
- 229910052782 aluminium Inorganic materials 0.000 claims description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000011104 metalized film Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
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- 239000011247 coating layer Substances 0.000 claims 3
- 229920006267 polyester film Polymers 0.000 claims 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims 1
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 127
- 239000011888 foil Substances 0.000 description 25
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- 229910000410 antimony oxide Inorganic materials 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 4
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- 229910052736 halogen Inorganic materials 0.000 description 4
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
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- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229920001220 nitrocellulos Polymers 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 238000007655 standard test method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
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- 239000012530 fluid Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 150000004684 trihydrates Chemical class 0.000 description 2
- JLGADZLAECENGR-UHFFFAOYSA-N 1,1-dibromo-1,2,2,2-tetrafluoroethane Chemical compound FC(F)(F)C(F)(Br)Br JLGADZLAECENGR-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 239000004114 Ammonium polyphosphate Substances 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 239000001116 FEMA 4028 Substances 0.000 description 1
- CDXRGXUDSDPCOI-UHFFFAOYSA-N N.OP(O)=O Chemical compound N.OP(O)=O CDXRGXUDSDPCOI-UHFFFAOYSA-N 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- 240000004885 Quercus rubra Species 0.000 description 1
- 235000009135 Quercus rubra Nutrition 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229940024548 aluminum oxide Drugs 0.000 description 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 1
- 229920001276 ammonium polyphosphate Polymers 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 229960004853 betadex Drugs 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- MEXUFEQDCXZEON-UHFFFAOYSA-N bromochlorodifluoromethane Chemical compound FC(F)(Cl)Br MEXUFEQDCXZEON-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000002860 competitive effect Effects 0.000 description 1
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- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- AZSZCFSOHXEJQE-UHFFFAOYSA-N dibromodifluoromethane Chemical compound FC(F)(Br)Br AZSZCFSOHXEJQE-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical group C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229940102396 methyl bromide Drugs 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000013606 potato chips Nutrition 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- BHTBHKFULNTCHQ-UHFFFAOYSA-H zinc;tin(4+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Sn+4] BHTBHKFULNTCHQ-UHFFFAOYSA-H 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B27/08—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 of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B2001/7691—Heat reflecting layers or coatings
Definitions
- This invention relates to metallized polymeric reflective insulation material, particularly, bubble pack insulation material for use in an environment that requires a Class A standard insulation material, particularly, as packaging, and in vehicles, and, more particularly, in residential, commercial and industrial buildings and establishments comprising a framed structure, walls, crawl spaces and the like, and wrapping for water heaters, pipes and the like.
- Insulation materials which comprise a clean, non-toxic, heat barrier made of aluminum foil bonded to polymeric materials.
- insulation materials includes aluminum foil backing with foam materials selected from closed cell foams, polyethylene foams, polypropylene foams and expanded polystyrene foams (EPS).
- foam materials selected from closed cell foams, polyethylene foams, polypropylene foams and expanded polystyrene foams (EPS).
- Alternative insulation materials in commercial use are made from aluminum foil bonded to a single or double layer of polyethylene-formed bubbles spaced one bubble from another bubble in the so-called "bubble-pack" arrangement.
- Such non-foil bubble-packs are used extensively as packaging material, whereas the metal foil bubble-pack is used as thermal insulation in wood frame structures, walls, attics, crawl spaces, basements and the like and as wrapping for hot water heaters, hot and cold water pipes, air ducts and the like.
- the reflective surface of the metal, particularly, aluminum foil enhances the thermal insulation of the air- containing bubble pack.
- Organic polymers, such as polyethylene, are generally considered to be high-heat- release materials.
- the ultimate aim of fire retardants is to reduce the heat transferred to the polymer below its limit for self-sustained combustion or below the critical level for flame stability.
- One or a combination of the following can achieve fire extinguishing:
- Fire retardant materials are generally introduced to the polyethylene as merely additives or as chemicals that will permanently modify its molecular structure.
- the additive approach is more commonly used because it is more flexible and of general application.
- low density polyethylene films of 1-12 mil, optionally, with various amounts of linear low density polyethylene in admixture when additional strength is required, are used for the above applications.
- the insulating properties of the bubble pack primarily arise from the air in the voids.
- bubble diameters typically of 1.25 cm. 0.60 cm and 0.45 cm are present.
- a satisfactory insulative assembly must have a fire rating of Class A with a flame spread index lower than 16, and a smoke development number smaller than 23. Further, the bonding of the organic polymer films and their aging characteristics must meet the aforesaid acceptable standards. Yet further, the fabrication method(s) of a new fire retardant system or assembly should be similar to the existing technology with reasonable and cost effective modifications to the existing fabrication system/technology. Still yet further, other physical properties of an improved fire standard system must at least meet, for example, the standard mechanical properties for duct materials as seen by existing competitive products.
- Fire retardant polyethylene films, wires and cables containing a fire retardant material in admixture with the polyethylene per se are known which generally satisfy cost criteria and certain fire retardant technical standards to be commercially acceptable.
- Conventional fire retardant additives are usually compounds of small molecular weights containing phosphorus, antimony, or halogens.
- the most effective commercially available fire retardant systems are based on halogen-containing compounds.
- due to concerns over the environmental effects of such halogenated compounds there is an international demand to control the use of such halogenated additives.
- halogenated agents are methyl bromide, methyl iodide, bromochlorodifluoromethane, dibromotetrafluoroethane. dibromodifluoromethane and carbon tetrachloride.
- halogenated fire retarding materials are usually available commercially in the form of gases or liquids. Unlike chlorine and bromine, fluorine reduces the toxicity of the material and imparts stability to the compound. However, chlorine and bromine have a higher degree of fire extinguishing effectiveness and. accordingly, a combination of fluorine and either chlorine or bromine is usually chosen to obtain an effective fire-retarding compounds.
- Intumescent compounds which limit the heat and mass transfer by creating an insulating charred layer on the surface of the burning polymer are also considered fire retardant materials.
- a typical intumescent additive is a mixture of ammonium polyphosphate and pentaerythritol.
- Fire retardant additives are often used with organic polymer/resins. Typically, a brominated or chlorinated organic compound is added to the polymer in admixture with a metal oxide such as antimony oxide. Halogenated compounds are also sometimes introduced into the polymer chain by co-polymerization. Low levels i.e. less than 1% W/W are recommended to make adverse effects of halogen-based systems negligible.
- Another common fire retardant additive is diglycidyl ether of bisphenol-A with MOO 3 .
- Other additives to improve the fire retarding properties of polyethylene include, for example, beta- cyclodextrin, magnesium hydroxide and alumina trihydrate, tin oxide, zinc hydroxystannate, and chlorosulphonated polyethylene.
- United States Patent No. 6,322,873, issued November 27, 2001 to Orologio, Furio describes a thermally insulating bubble pack for use in framed structures, walls, crawl spaces and the like; or wrapping for cold water heaters, pipes and the like wherein the bubbles contain a fire retardant material.
- the improved bubble pack comprises a first film having a plurality of portions wherein each of the portions defines a cavity; a second film in sealed engagement with the first film to provide a plurality of closed cavities; the improvement comprising wherein the cavities contain a fluid or solid material.
- the flame retardant- containing bubble pack provides improved fire ratings, flame spread indices and smoke development numbers.
- the preferred embodiments include a layer of metal or metallized film adjacent at least one of the films. However, the efficacious manufacture of the fire retardant-filled bubbles still represents a challenge.
- Aforesaid bubble-packs not containing fire retardant materials and having a metallized film layer are known and used for external insulation around large self-standing structures, such as tanks, silos and the like, particularly in the oil and chemical industries, which insulation assembly does not have to meet the rigorous fire retardant standards for insulation in framed structures of residential, commercial and industrial buildings, crawl spaces and the like or wrappings for cold water heaters, pipes and the like, therein.
- Metallized films and their methods of production are well-known in the art.
- metallized films of use in the practise of the invention are metallized aluminum coated polymer films, for example, metallized nylon, metallized polypropylene and metallized polyester, preferably, for example, 48 gauge PET (polyethylene terephthalate).
- Class A also means Class 1.
- a fire retardant compound in or on one or more of the polymer layers of a reflective insulation assembly further favourably enhances the surface burning characteristics of the insulation, and in preferred embodiments significantly enhances the safety of the assemblies as to satisfy the criteria set in the most stringent "Full Room Burn Test for Evaluating Contribution of Wall and Ceiling Finishes to Room Fire Growth - NFPA 286.
- Metallized polymeric films having an outer lacquer coating are known in the foodstuff packaging industry in order to provide physical protection to the ink printed on the outer metallic surface. Manual contact with the unprotected inked material surface would cause inconvenience to the person and possibly contamination of the foodstuffs, such as confectionary and potato chips when handled by the person.
- the lacquer-coated outer metallic surface overcomes this problem in the foodstuff art.
- the most preferred metallized polymeric film reflective insulation materials particularly the fire-retardant containing assemblies, according to the invention provide improved safety towards fire and also acceptable reflectance and anti- corrosive properties.
- the invention provides an improved thermally-insulated vehicle, building or establishment having a Class A standard metallized polymeric reflective insulation material.
- the invention is also of value in other jurisdictions having fire safety standards relating to insulation material.
- Class A standard insulation material includes the equivalent or approximate equivalent standard set by International Agencies of individual countries, trade blocks, such as the European Union, and the like. Accordingly, the invention in one aspect provides a method of thermally insulating an object that requires a Class A standard insulation material, said method comprising suitably locating a metallized polymeric reflective insulation material adjacent said object, wherein said polymeric material is selected from a closed cell foam, polyethylene foam, polypropylene foam, expanded polystyrene foam, multi-film layers assembly and a bubble- pack assembly.
- the object is preferably selected from the group consisting of vehicles and residential, commercial and industrial building and establishment.
- 'vehicle' includes, for example, but not limited to, automobiles, buses, trucks, train engines and coaches, ships and boats.
- the invention provides in a further aspect, a method of thermally insulating a residential, commercial or industrial building with a metallized polymeric material, said method comprising locating said metallized polymeric material within a frame structure, crawl space and the like, or wrapping water heaters, pipes, and the like, within said building, wherein said polymeric material is selected from a closed cell foam, polyethylene foam, polypropylene foam, expanded polystyrene foam and a bubble-pack assembly.
- the invention provides in a further aspect a method of thermally insulating a residential, commercial or industrial building with a bubble-pack assembly, said method comprising locating said bubble pack within a framed structure, wall, crawl space and the like, or wrapping water heaters, pipes and the like within said building; and wherein said bubble-pack assembly comprises a first thermoplastic film having a plurality of portions wherein each of said portions defines a cavity; a second film in sealed engagement with said first film to provide a plurality of closed said cavities; and at least one layer of metallized thermoplastic film.
- cavities include voids, bubbles or other like closed spaces.
- the cavities may be formed of any desired suitable shapes. For example, semi-cylindrical, oblong or rectangular. However, a generally, hemi-spherical shape is preferred.
- thermoplastic film provides enhanced fire retardant properties over those having only a corresponding layer(s) of aluminum foil, in the bubble-pack assembly.
- the invention provides a method as hereinabove defined wherein said bubble-pack assembly comprises
- a first bubble pack having a first thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a second thermoplastic film in sealed engagement with said first film to provide a plurality of closed said cavities; and (ii) a second bubble-pack having a third thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a fourth thermoplastic film in sealed engagement with said third film to provide a plurality of closed said cavities; provided that when said at least one of said layers of metallized thermoplastic film is interposed between and bonded to said first bubble pack and said second bubble pack, said assembly comprises at least one further metallized thermoplastic film.
- the invention provides a method as hereinabove defined wherein said bubble-pack assembly comprises (i) a first bubble pack having a first thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a second thermoplastic film in sealed engagement with said first film to provide a plurality of closed said cavities; and (ii) a second bubble-pack having a third thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a fourth thermoplastic film in sealed engagement with said third film to provide a plurality of closed said cavities;
- thermoplastic film interposed between and bonded to said first bubble pack and said second bubble pack; and wherein at least one of said first second, third, fourth or additional thermoplastic films contains an effective amount of a fire-retardant material.
- the assembly may have at least one outer layer of metallized thermoplastic film, or, surprisingly, one or more inner, only, layers.
- the assembly may, thus, further comprise at least one or a plurality of additional thermoplastic films.
- the invention provides a bubble-pack assembly comprising
- thermoplastic film having a plurality of portions wherein each of said portions defines a cavity
- second film in sealed engagement with said first film to provide a plurality of closed said cavities
- the invention provides a bubble-pack assembly comprising (i) a first bubble pack having a first thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a second thermoplastic film in sealed engagement with said first film to provide a plurality of closed said cavities; and (ii) a second bubble-pack having a third thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a fourth thermoplastic film in sealed engagement with said third film to provide a plurality of closed said cavities; and a film selected from a metallized thermoplastic film interposed between said second and fourth thermoplastic films and laminated thereto by heat-sealing to provide said composite bubble pack assembly.
- the metallized thermoplastic film may also contain a fire-retardant material to further enhance the assemblies" fire-retardant properties.
- a preferred fire-retardant material is antimony oxide, preferably used at a concentration of 10-20% w/w film.
- thermoplastic films may be formed of any suitable polymer or copolymer material.
- the first and second film may be formed of the same or different material.
- the bubble pack has each of the films formed of a polyethylene.
- the metallized thermoplastic film is preferably a polyester, and. more preferably, a polyethylene terephthate having a metal coating.
- the fire retardant material may be a compound or composition comprising one or more compounds having acceptable fire retardant properties.
- the amount of fire retardant material is such as to provide an efficacious amount in relation to the amount of plastic and other components present in the bubble pack.
- the amount of fire retardant material required will depend on the application of the assembly, the type and effectiveness of the fire retardant material used, the final properties required e.g. flame spread index, slow burning or self-extinguishing, and the bubble size.
- the fire retardant is generally present in an amount selected from 0.1 -70% w/w, more preferably. 10-60% w/w, preferably 15-20% w/w in relation to the thermoplastic film.
- fire retardant compounds include those classes and compounds as hereinbefore described.
- the fire retardant compound is selected from alumina trihydrate (ATH, hydrated aluminum oxide,
- the bubble-pack further comprises one or more organic polymer films metallized with a suitable metal, for example, aluminum to enhance reflection of infra-red radiation.
- the most preferred plastics material for the bubble and laminated layers is polyethylene, particularly a low-density polyethylene, optionally, in admixture with a linear low density polyethylene, of use as aforesaid first and second films
- the metallized organic polymer is a polyester, preferably polyethylene teraphthalate.
- the number, size and layout of the bubbles in the pack according to the invention may be readily selected, determined and manufactured by the skilled artisan.
- the bubbles are arrayed in a coplanar off-set arrangement.
- Each of the hemi-spherical bubbles may be of any suitable diameter and height protruding out of the plane of the bonded films.
- the bubble has a diameter selected from 0.5 cm -5 cm, preferably 0.8-1.5 cm; and a height selected from 0.2 cm -1 cm, preferably 0.4-0.6 cm.
- a preferred bubble pack has an array of about 400 bubbles per 900 cm 2 .
- the multi-film layers may comprise a plurality of thermoplastic films, wherein one of said films may be in the form of a woven layer, such as for example, a scrim.
- the metallized polymeric film reflective insulation layer comprising a woven, i.e. scrim layer
- each of the faces of the scrim are laminated to a metallized film, and each of both outer faces of the metallized layers has a lacquer coating.
- the invention provides an object, particularly, a vehicle or a residential, commercial or industrial building or establishment insulated with a metallized polymeric material, particularly, a multi-film layer or bubble-pack assembly, according to the invention.
- a suitable and effective thickness of the lacquer polymeric coating can provide satisfactory anti-corrosion protection to the metal surface and still allow of sufficient reflectance as to meet the emissivity standard as set by the industry.
- a reflectance of greater than 95% has been maintained for preferred embodiments of the clear lacquer-coated metallized polymeric reflective insulation materials, according to the invention.
- a preferred lacquer comprises an acrylic polymer or copolymer, for example, polymethyl methacrylate, particularly having a molecular weight of 80,000 - 150,000. More, preferably, a nitrocellulose solvent based lacquer is applied to the metallized polymer.
- anti-corrosion effective clear lacquer in this specification is meant that the layer coating has a sufficient thickness to provide effective anti-corrosion protection to the metallalized layer while providing an emissivity reading of no more than 0.04, i.e. that at least 96% of thermal radiation is reflected from that face.
- a typical lacquer coating is selected from 0.25 to 0.35 g/m 2 , preferably about 0.30 g/m 2 .
- the invention provides a metallized polymeric reflective film insulation material, as hereinabove defined and having a metallic coating outer layer having a clear lacquer coating.
- the clear lacquer coating may be applied to the highest reflectance surface, i.e. the bright side, of the metallic surface by techniques, such as by brushing, spraying, deposition and the like, as is well-known in the art.
- Preferred lacquers are clear, cross-linked polymers well-known in the art. I have also found that preferred embodiments of the aforesaid lacquer-coated, metallized polymeric insulative materials according to the invention satisfactorily meet the industry's corrosivity standards.
- Fig. 1 represents diagrammatic, exploded section views of a metallized-double bubble-white polyethylene, with fire retardant, assembly according to the invention (Example i );
- Fig. 2 represents the assembly of Fig. 1 without fire retardant being present, according to the invention (Examples 2 and 3);
- Fig. 3 represents a diagrammatic, exploded sectional view of a metallized-single bubble- white polyethylene without fire retardant assembly, according to the invention
- Fig. 4 represents a diagrammatic, exploded sectional view of a metallized-double bubble-metallized assembly without fire retardant. according to the invention (Example 5); Fig. 5 represents a diagrammatic, exploded sectional view of a metallized- double bubble-metallized assembly with fire retardant, according to the invention (Example 4);
- Fig. 6 represents a diagrammatic, exploded view of an aluminum foil-single bubble- aluminum foil-scrim without fire retardant according to the prior art (Example 7);
- Fig. 7 represents a diagrammatic, exploded view of an aluminum foil-single bubble- aluminum foil with fire retardant reflective insulation assembly, not according to the invention (Example 8);
- Fig. 8 represents a diagrammatic, exploded view of an aluminum foil-single bubble- white poly with fire retardant not according to the invention (Example 9);
- Fig. 9 represents an exploded view of a metallized-double bubble-metallized-double bubble-metallized assembly having fire retardant, according to the invention (Example 10);
- Fig. 10 represents an exploded view of a metallized double bubble- white polythene with fire retardant assembly, according to the invention (Example 1 1 );
- Fig. 11 represents an exploded view of a metallized-single bubble-metallized without fire retardant assembly, according to the invention (Example 12);
- Fig. 12 represents an exploded view of an aluminum foil-single bubble containing fire retardant not according to the invention (Example 13);
- Fig. 13 represents an exploded view of an aluminum foil-double bubble-aluminum foil, according to the prior art (Examples 14 and 15):
- Figs. 14, 15 and 16 are diagrammatic, exploded sectional views of a bubble-pack, scrim laminated insulation blanket, according to the invention.
- Fig. 17 is a clear lacquer-coated metallized embodiment of Fig. 3.
- Fig. 14 is a bubble-pack-scrim laminated blanket assembly having polyethylene layers 112, 1 14, 1 16 and 1 18 and scrim layer 126 with nylon tapes 124 laminated between layers 112 and 114. Adhered to outer layer 112 is a metallized PET layer 12.
- Figs. 15 and 16 represent the embodiment of Fig. 14 but, additionally, having an aluminum foil layer 122 laminated to layer 1 12 in Fig. 15 and to layer 1 18, via a polyethylene layer 136 in Fig. 16.
- the following numerals denote the same materials throughout the drawings, as follows:-
- PET aluminum metallized polyester
- FR denotes 18% w/w antimony oxide fire retardant
- W denotes presence of TiO 2 pigment (white).
- the bubble pack layer is preferably of a thickness selected from 0.5 cm to 1.25 cm.
- the other polyethylene layers are each of a thickness, preferably, selected from 1 to 6mls.
- the fire retardant material of use in the preferred embodiments was antimony oxide at a concentration selected from 10-20% w/w.
- Insulation material No. 1 was a prior art commercial single bubble pack assembly of a white polyethylene film (1.2 mil) laminated to a polyethylene bubble (2.0 mil) on one side and aluminum foil (0.275 mil) on the other.
- Insulation material No. 2 was a metallized polymeric material of use in the practise of the invention in the form of a bubble pack as for material No. 1 but with the aluminum foil substituted with metallized aluminum on polyethylene terephthalate (PET) film (48 gauge) adhered to the polyethylene bubble.
- Test A blow torch was located about 10 - 15 cm away from the insulation material (5 cm x
- Single Bubble Aluminum Foil Material No.l started to burn immediately and continued burning until all organic material was gone. Flame and smoke were extensive.
- Single Bubble Metallized Aluminum Material For material No. 2. where the flame was directly located, a hole was produced. However, the flame did not spread outwards of the hole or continue to burn the material. Flame and smoke were minimal. Conclusion. Single Bubble metallized material reacts better to the flame, that is the material burned where the flame was situated but did not continue to burn.
- EXAMPLE 1 This Example illustrates the testing of the bubble-pack assembly shown in Fig. 1 - being commonly known as a metallized-double bubble-white poly (FR) in accordance with NFPA 286 Standard Methods of Fire Tests for Evaluating Contribution of Wall and Ceiling Interior Finish to Room Fire Growth.
- the test material was mounted on the LHS, rear, RHS walls to a height of the test room as well as the ceiling of the test room.
- the sample did not spread flames to the ceiling during the 40 kW exposure.
- the flames did not spread to the extremities of the walls during the 160 kW exposure.
- the sample did not exhibit flashover conditions during the test.
- NFPA 286 does not publish pass/fail criteria. This specimen did meet the criteria set forth in the 2003 IBC Section 803.2.1.
- test was performed by Intertek Testing Services NA, Inc., Elmendorf, Texas, 781 12 - 984; U.S.A.
- Freestanding panel furniture systems include all freestanding panels that provide visual and/or acoustical separation and are intended to be used to divide space and may support components to form complete work stations.
- Demountable, relocatable, full-height partitions include demountable, relocatable, full-height partitions that fill the space between the finished floor and the finished ceiling.
- This fire test measures certain fire performance characteristics of finish wall and ceiling covering materials in an enclosure under specified fire exposure conditions. It determines the extent to which the finish covering materials may contribute to fire growth in a room and the potential for fire spread beyond the room under the particular conditions simulated. The test indicates the maximum extent of fire growth in a room, the rate of heat release, and if the ⁇ ' occur, the time to flashover and the time to flame extension beyond the doorway following flashover.
- GENERAL PROCEDURE A calibration test is run within 30 days of testing any material as specified in the standard. All instrumentation is zeroed, spanned and calibrated prior to testing. The specimen is installed and the diffusion burner is placed. The collection hood exhaust duct blower is turned on and an initial flow is established.
- the gas sampling pump is turned on and the flow rate is adjusted.
- the computer data acquisition system and video equipment is started. Ambient data is taken then the burner is ignited at a fuel flow rate that is known to produce 40 kW of heat output. This level is maintained for five minutes at which time the fuel flow is increased to the 160 kW level for a 10-minute period.
- all temperature, heat release and heat flux data is being recorded every 6 seconds.
- the burner is shut off and all instrument readings are stopped. Post test observations are made and this concludes the test.
- the test specimen was a metallized/double bubble/white poly (FR) insulation. Each panel measured approximately 4 ft. wide x 8 ft. tall x 1/8 in. thick. Each panel was white in color.
- the insulation was positioned using metal C studs every 2 ft. o.c. with the flat side of the stud facing the interior of the room. The insulation was attached to the C studs using screws and washers.
- the data acquisition system was started and allowed to collect ambient data prior to igniting the burner and establishing a gas flow equivalent to 40 kW for the first 5 minutes and 160 kW for the next 10 minutes. Events during the test are described below:
- Example 2 The test described under Example 1 was repeated but with a metallized double bubble/white poly not containing fire retardant as shown in Fig. 2.
- the sample did not spread flames to ceiling during the 40 kW exposure. The flames did spread to the extremities of the walls during the 106 kW exposure. The sample did not exhibit flashover conditions during the test. NFPA 286 does not publish pass/fail criteria. However, this specimen did not meet the criteria set forth in the 2003 IBC Section 803.2.1.
- the specimen was 100% melted from the C studs along all the walls.
- the gypsum board behind the specimen was flame bleached and charred in the test corner. Along the rear wall, the bottom of the wall was charred the length of the wall.
- On the RHS wall 5 ft. of specimen was still intact near the doorway.
- the insulation on the LHS wall was melted completely with the exception of a small 2 ft. section attached to the C stud near the doorway.
- the insulation on the ceiling was 100% melted exposing the C studs.
- NFPA 286 does not publish pass/fail criteria. One must consult the codes to determine pass-fail. This specimen did not meet the very strict criteria set forth in the 2003 IBC Section 803.2.1.
- ASTME84-05 for Surface Burning Characteristics of Building Materials, (also published under the following designations ANSI 2.5; NFPA 255; UBC 8-1 (42-1); and UL723).
- the method is for determining the comparative surface burning behaviour of building materials. This test is applicable to exposed surfaces, such as ceilings or walls, provided that the material or assembly of materials, by its own structural quality or the manner in which it is tested and intended for use, is capable of supporting itself in position or being supported during the test period.
- the purpose of the method is to determine the relative burning behaviour of the material by observing the flame spread along the specimen. Flame spread and smoke density developed are reported. However, there is not necessarily a relationship between these two measurements.
- the test specimen consisted of (3) 8 ft. long x 24 in. wide x 1.398 in. thick 17.50 lbs metallized/double bubble/white poly (No-FR) reflective insulation, assembly of Fig. 2 secured to 1.75 in. wide x 1 in. thick, aluminum frames using 3 A in. long, self-drilling, hex head screws and washers.
- the nominal thickness of the reflective insulation was 5/16 in. thick.
- the white poly was facing the flames during the test.
- the specimen was self- supporting and was placed directly on the inner ledges of the tunnel.
- the test results, computed on the basis of observed flame front advance and electronic smoke density measurements were as follows.
- the white poly facer began to melt at 0:05 (min:sec). The specimen ignited at 0:07
- the specimen was consumed from 0 ft.- 9 ft.
- the white poly facer was melted from 19 ft. -
- This embodiment is a repeat of Example 3, but with a metallized/single bubble/white poly (No-FR) reflective insulation assembly as shown in Fig. 3 substituted for the material described in Example 3.
- No-FR metallized/single bubble/white poly
- the specimen consisted of (3) 8 ft. long x 24 in. wide x 1.100 in. thick 16.60 lbs metallized/single bubble/white poly (No-FR) reflective insulation, secured to 1.75 in. wide x 1 in. thick, aluminum frames using 2 A in. long, self-drilling, hex head screws and washers.
- the nominal thickness of the reflective insulation was 3/16 in. thick.
- the white poly was facing the test burners.
- the specimen was self-supporting and was placed directly on the inner ledges of the tunnel.
- the poly facer began to melt at 0:03 (min/sec). The poly facer ignited at 0:06 (min:sec). The insulation began to fall from the aluminum frames at 0:07 (min:sec). The insulation ignited on the floor of the apparatus at 0:07 (min:sec). The test continued for the 10:00 duration. After the test the specimen was observed to be damaged as follows:
- the insulation was consumed from 0 ft. - 20 ft.
- the poly facer was melted from 20 ft. - 24 ft.
- the polyethylene bubbles were melted from 20 ft. to 24 ft.
- This embodiment is a repeat of Example 3. but with a metallized/double bubble/metallized (No FR) reflective insulation substituted for the material described in Example 3.
- the specimen consisted of (3) 8 ft. long x 24 in. wide x 1.230 in. thick 17.40 lbs metallized/double bubble/metallized no FR reflective insulation assembly of Fig. 4, secured to 1.75 in. wide x 1 in. thick, aluminum frames using 3 A in. long, self-drilling, hex head screws and washers.
- the nominal thickness of the reflective insulation was 5/16 in. thick.
- the specimen was self-supporting and was placed directly on the inner ledges of the tunnel.
- the metallized insulation began to melt at 0:06 (min:sec).
- the metallized insulation began to fall from the aluminum frame at 0:10 (min.sec).
- the metallized insulation ignited at 0:1 1 (min.sec).
- the test continued for the 10:00 duration. After the test burners were turned off, a 19 second after flame was observed.
- the metallized insulation was consumed from 0 ft. - 16 ft.
- the polyethylene bubbles were melted from 16 ft. - 24 ft.
- Light discoloration was observed to the metallized facer from 16 ft. - 24 ft.
- This embodiment is a repeat of Example 5, but with a metallized/double bubble/metallized (FR) reflective insulation assembly as seen in Fig. 5 substituted for the material described in Example 5, Fig. 4.
- FR metallized/double bubble/metallized
- the specimen consisted of (3) 8 ft. long x 24 in. wide x 1.325 in. thick 17.70 lbs metallized/double bubble/metallized (FR) reflective insulation assembly, secured to 1.75 in. wide x 1 in. thick, aluminum frames using 3 Zt in. long, self-drilling, hex head screws and washers.
- the nominal thickness of the reflective insulation was 5/16 in. thick.
- Test Specimen 5 15 During the test, the specimen was observed to behave in the following manner:
- the metallized facer began to melt at 0:04 (min:sec).
- the specimen ignited at 0:06 (min:sec).
- the metallized insulation began to fall from the aluminum frames at 0:11 (min:sec).
- the floor of the apparatus ignited at 6:41 (min:sec).
- the test continued for the 10:00 duration. After the test burners were turned off, a 60 second after flame was observed. After the test the specimen was observed to be damaged as follows:
- the insulation was consumed from 0 ft. — 16 ft.
- the polyethylene bubbles were melted from 16 ft. - 24 ft.
- Light discoloration was observed to the metallized facer from 16 ft. - 24 ft.
- the metallized-double bubble-metallized (FR) reflective insulation assembly of Fig. 5 passed this ASTM E84-05 test for Class A building insulation.
- Examples 7-9. less stringent ASTM E84 test conditions were employed.
- Aluminum foil-single bubble-aluminum foil with fire-retardant reflective insulation assembly was stapled to (3) 2 x 8 ft. wood frames, L-bar cross members on 5 ft. centers, stapled to wood on sides and screwed to L-bar. The sample was self-supporting. This assembly as shown in Fig. 7, failed this E84 test conditions for building insulations, for having a flame spread index of 55 and a smoke developed index of 30.
- Aluminum foil-single bubble-white poly (FR) as shown in Fig. 8 was attached to nominal 2 x 2 wood frames with L-bar cross members spaced every 5 ft. O. C. The sample was self-supporting.
- the specimen had a flame speed index of 65 and a smoke developed index of 75 to not be acceptable as Class A building material.
- the tunnel was preheated to 150 0 F. as measured by the floor-embedded thermocouple located 23.25 feet downstream of the burner ports, and allowed to cool to 105 0 F. as measured by the floor-embedded thermocouple located 13 ft. from the burners.
- the tunnel lid was raised and the test sample placed along the ledges of the tunnel so as to form a continuous ceiling 24 ft. long, 12 inches, above the floor. The lid was then lowered into place.
- Smoke developed is determined by comparing the area under the obscuration curve for the test sample to that of inorganic reinforced cement board and red oak. arbitrarily established as 0 and 100. respectively.
- the reflective insulation was a metallized-double bubble-metallized assembly with fire-retardant, as shown in Fig. 9.
- the material had a very acceptable OFSI and 85 SD.
- the sample began to ignite and propagate flame immediately upon exposure to the test flame.
- the sample did not propagate past the base line.
- Example 10 The test conditions were as for Example 10 but carried out with a metallized/bubble/single bubble, white (FR) as shown in Fig. 10, substituted for the material of Example 10.
- the white face was exposed to the flame source .
- the material had a very acceptable
- the sample began to ignite and propagate flame immediately upon exposure to the test flame.
- the sample did not afford a flame front propagation.
- EXAMPLE 12 The test conditions were as for Example 10 but carried out with a metallized-single bubble as shown in Fig. 1 1. substitute for the material of Example 10.
- test material had a very accept 0 FSI and 30 SD.
- the sample began to ignite and propagate flame immediately upon exposure to the test flame.
- test conditions were as for Examples 7-9, with a self-supporting aluminum foil- single bubble containing fire retardant as shown in Fig. 12. An unacceptable FSI of 30 and a SDI of 65 was observed.
- the test was conducted under ASTM E84-00a Conditions in January 22. 2002, with layers of aluminum foil-double bubble-aluminum foil, according to the prior art as shown in Fig. 13.
- the specimen consisted of a 24" wide x 24' long x 5/16 " thick (nominal) 3.06 lbs sheet of reflective insulation - foil / double PE bubble / foil.
- the specimen was tested with a 1/8" wide x 24 " long second of the foil facer removed from the center to expose the core material directly to the flames.
- the specimen was slightly burned through from 1 ft. to 3 ft.
- the PE bubble was melted from 0 ft. to 24 ft. and the foil facer had a black discoloration on it from 2 ft. to 24 ft.
- the foil was 80% consumed from 1 ft. to 3 ft. and lightly discoloured from 3 ft. to 24 ft.
- the bubble core was melted/collapsed from 0 ft. to 24 ft.
- the 0.5 ml thick nitrocellulose solvent based lacquer coated metallized coated PET surface also gave an acceptable reflectance of 96%.
- the lacquer layer 150 provides suitable, anti-corrosion protection.
- test specimen was a self-supporting rFoil reflective insulation, metallized/double bubble/white poly (m/db/polyethylene)-Non-FR product of (3) 8-ft. long x 24 in. wide x 1.2450 in. thick, radiant barrier secured to galvanized metal frames using hex head screws.
- the white polyethylene was exposed to flame with air gap toward the tunnel lid. Conditioning (73°F & 50% R.H.): 18 days Specimen Width (in): 24 Specimen Length (ft): 24 Specimen Thickness: 1.2450 in.
- Time to End of Tunnel (sec): None Reached Max Temperature (F): 565 Time to Max Temperature (sec): 208 Total Fuel Burned (cubic feet): 49.35 FS* Time Area (ft*min): 5.7
- the reflective insulation began to melt at 0:05 (min:sec). The reflective insulation ignited at 0:07 (min:sec). Flaming drops were observed at 0:08 (min:sec). The floor of the apparatus ignited at 0:10 (min:sec). The test continued for the 10:00 duration. After the test burners were turned off. a 60 second afterflame was observed.
- the specimen was a rFoil (white poly/single bubbled/metallized), nominal 5/16 inches thick.
- Metal 2 in. x 4 in. C studs were placed every two feet on the walls and ceiling with the flat side of the stud facing the wall.
- the specimen was attached to the flat surfaces of the C studs using screws and washers spaced no closer than 2 ft. o.c. All joints and corners in the room were sealed to an airtight condition using gypsum dr ⁇ wall joint compound and/or ceramic fiber insulation.
- thermocouples and other instrumentation were positioned in accordance with the standard and their outputs verified after connection too the data acquisition system.
- the data acquisition system was started and allowed to collect ambient data prior to igniting the burner and establishing a gas flow equivalent to 40 kW for the first 5 minutes and 160 kW for the next 10 minutes. Events during the test are described below:
- the specimen was flame bleached approximately 8 ft. above the test burner.
- the panels were melted 4 ft. horizontally along the wall.
- the top panel along the wall was completed melted.
- the remaining sections were still in tact along the c-studs.
- the top panel along the LHS wall was completely melted approximately 1 1.5 ft. from the room corner.
- the remainder of the panels were intact but slightly melted and showed some discoloration.
- the specimen along the RHS wall was flame bleached to the ceiling and melted horizontally 3-4 ft. from the rest corner.
- the top panel along the RHS wall was completely melted extending the entire length of the wall.
- the remaining panels were intact and slightly discolored.
- the ceiling panels were completely melted extending the entire length of the room.
- the sample displayed low levels of heat release and upper level temperatures.
- the sample did not spread flames to the ceiling during the 4OkW exposure.
- the flames did not spread to the extremities of the 12-foot walls during the 160 kW exposure.
- the sample did not exhibit flashover conditions during the test.
- This example describes the test and results of measuring the emittance of an aluminum metallized PET containing 15% w/w antimony oxide fire-retardant reflective insulation film having a nitrocellulose coating of 0.3 g/ ⁇ r, according to the invention.
- test protocol was in accordance with ASTMC 1371 - 04a "Standard Test Method for Determination of Emittance of Materials near Room Temperature Using Portable Emissometers " .
- the results were obtained using a Model AE emissometer manufactured by Devices and Services Company of Dallas, Texas.
- the emissometer is powered to provide a warm-up time prior to use. A warm-up time of one hour is conditioned laboratory has been found to be acceptable. Calibration at high and low emittance was performed after the warm-up period.
- Test specimens were placed in good contact with the thermal sink that was part of the apparatus. A drop of distilled water between the test specimen and the thermal sink improved the thermal contact.
- the measurement head of the emissometer was placed on the test specimen and held in place for 90 seconds for each measurement. The apparatus provided emittance to two decimal places.
- the emissometer was calibrated prior to use and calibration was verified at the end of testing.
- the reported emittance is the average of three measurements.
- This example describes the test and results of measuring the corrosivity of the metallized PET fire-retardant reflective insulation film as used in Example 19.
- test protocol was in accordance with "ASTM D3310-00 "Standard Test Method for Determining of Corrosivity of Adhesive Materials' " .
- Samples of the Metallized Film (Sample 2A) one embedded in adhesive and one without adhesive, were placed in a screw can jar with an inert cap liner. The caps were tightened and the jars placed in a forced draft circulating oven at 71 ⁇ 2°C. These samples were used as controls.
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Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CA2544098 | 2006-04-19 | ||
CA002554754A CA2554754C (fr) | 2006-04-19 | 2006-08-23 | Materiau reflechissant isolant comprenant un film polymere metallise |
PCT/CA2007/000630 WO2007118321A2 (fr) | 2006-04-19 | 2007-04-16 | Matériau isolant réfléchissant sous forme de film polymère métallisé |
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EP2016325A2 true EP2016325A2 (fr) | 2009-01-21 |
EP2016325A4 EP2016325A4 (fr) | 2012-02-22 |
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EP07719557A Withdrawn EP2016325A4 (fr) | 2006-04-19 | 2007-04-16 | Matériau isolant réfléchissant sous forme de film polymère métallisé |
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EP (1) | EP2016325A4 (fr) |
CA (2) | CA2554754C (fr) |
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US7935410B2 (en) | 2006-04-19 | 2011-05-03 | Furio Orologio | Metallized polymeric film reflective insulation material |
US7935411B2 (en) | 2006-04-19 | 2011-05-03 | Furio Orologio | Metallized polymeric film reflective insulation material |
CA2694424A1 (fr) | 2010-02-23 | 2011-08-23 | Furio Orologio | Articles personnels isoles thermiquement |
ES2418304B1 (es) * | 2011-09-22 | 2014-06-03 | Javier CATALAN GUTIERREZ | Lamina de burbujas multidimensionales multicapas |
GB201118141D0 (en) * | 2011-10-20 | 2011-11-30 | Lyon Geoffrey P | Insulating material |
FR2982193B1 (fr) | 2011-11-07 | 2014-06-27 | Orion Financement | Bande de produit isolant multicouche, element isolant resultant de la decoupe d'une telle bande et complexe isolant forme a partir de tels elements isolant |
EP3194158B1 (fr) | 2014-09-19 | 2019-09-18 | Furio Orologio | Articles personnels thermiquement isolés |
US10828863B2 (en) | 2014-09-19 | 2020-11-10 | Furio Orologio | Thermally insulated sheet |
EP3288758A4 (fr) * | 2015-04-29 | 2019-01-02 | Adam Wilson | Matériau en feuille multicouche répulsif contre les nuisibles et/ou recyclable et emballage produit à partir de celui-ci |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6322873B1 (en) * | 1999-09-17 | 2001-11-27 | Furio Orologio | Fire retardant cavity filled insulation pack |
WO2003000494A1 (fr) * | 1999-12-13 | 2003-01-03 | Fire & Thermal Protection Engineers, Inc. | Materiau multicouche resistant au feu |
US6514596B1 (en) * | 2000-04-27 | 2003-02-04 | Furio Orologio | Thermal and moisture resistant insulative sheet |
US20050118915A1 (en) * | 2001-02-09 | 2005-06-02 | Raphael Heifetz | Flexible reflective insulating structures |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4825089A (en) * | 1987-07-13 | 1989-04-25 | Lindsay Brad H | Radiant barrier apparatus |
US6248433B1 (en) * | 1997-09-03 | 2001-06-19 | Krona Industries Ltd. | Low emissivity, high reflectivity insulation |
US20060135011A1 (en) * | 2004-12-22 | 2006-06-22 | Covertech Fabricating Inc. | Thermoplastic insulation blanket |
-
2006
- 2006-08-23 CA CA002554754A patent/CA2554754C/fr active Active
- 2006-08-23 CA CA002591589A patent/CA2591589C/fr active Active
-
2007
- 2007-04-16 EP EP07719557A patent/EP2016325A4/fr not_active Withdrawn
- 2007-04-16 WO PCT/CA2007/000630 patent/WO2007118321A2/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6322873B1 (en) * | 1999-09-17 | 2001-11-27 | Furio Orologio | Fire retardant cavity filled insulation pack |
WO2003000494A1 (fr) * | 1999-12-13 | 2003-01-03 | Fire & Thermal Protection Engineers, Inc. | Materiau multicouche resistant au feu |
US6514596B1 (en) * | 2000-04-27 | 2003-02-04 | Furio Orologio | Thermal and moisture resistant insulative sheet |
US20050118915A1 (en) * | 2001-02-09 | 2005-06-02 | Raphael Heifetz | Flexible reflective insulating structures |
Non-Patent Citations (1)
Title |
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See also references of WO2007118321A2 * |
Also Published As
Publication number | Publication date |
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CA2554754A1 (fr) | 2006-10-31 |
WO2007118321A2 (fr) | 2007-10-25 |
CA2554754C (fr) | 2007-12-04 |
WO2007118321A3 (fr) | 2007-12-06 |
CA2591589A1 (fr) | 2006-10-31 |
EP2016325A4 (fr) | 2012-02-22 |
CA2591589C (fr) | 2008-04-29 |
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