WO2015151460A1 - 積層シート - Google Patents
積層シート Download PDFInfo
- Publication number
- WO2015151460A1 WO2015151460A1 PCT/JP2015/001697 JP2015001697W WO2015151460A1 WO 2015151460 A1 WO2015151460 A1 WO 2015151460A1 JP 2015001697 W JP2015001697 W JP 2015001697W WO 2015151460 A1 WO2015151460 A1 WO 2015151460A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- metal
- resin
- porous
- laminated sheet
- Prior art date
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- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical class OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229960001679 octinoxate Drugs 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 229960001173 oxybenzone Drugs 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002335 surface treatment layer Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 238000009823 thermal lamination Methods 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 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
- VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009816 wet lamination Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- E04B1/625—Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
- E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2419/00—Buildings or parts thereof
-
- 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
- E04B2001/7691—Heat reflecting layers or coatings
Definitions
- the present invention relates to a laminated sheet obtained by laminating a metal surface treatment and a reinforcing cloth on at least one surface of a porous film containing metal particles.
- a laminated sheet obtained by laminating a metal surface treatment and a reinforcing cloth on at least one surface of a porous film containing metal particles.
- it compared to conventional heat shield sheets, it exhibits high anti-corrosion properties and long-term durability, and the entire sheet has the characteristics of moisture permeability and waterproof and heat shield performance, and is mainly used for building materials, civil engineering, agriculture , Packaging, industrial applications, etc.
- sheets used for wall and roof bases are used mainly for the purpose of preventing rainwater from the outside of the house from entering the interior and preventing corrosion of wood.
- asphalt-based or rubber asphalt-based waterproof sheets or moisture-permeable waterproof sheets in which a nonwoven fabric and a film such as polyurethane are laminated are used.
- housing has evolved, and from the viewpoint of energy saving and heat shock, construction methods with increased airtightness like thermos bottles are increasing, but the above-mentioned asphalt and rubber asphalt waterproof sheets have little moisture permeability. Therefore, moisture generated inside the building, such as sweat generated from the human body, steam generated during cooking, moisture such as steam, water vapor generated by combustion of oil stoves used for heating, etc. is released outside the building. It is hard to be done. In particular, each part such as the wall, the back of the shed, and the roof base plate surface is likely to cause dew condensation, which is likely to cause mold and corrosion and deterioration of the structure, which may affect the durability of the house.
- Moisture permeable waterproof sheets also called “house wrap materials” made of polyolefin non-woven fabrics or non-woven fabrics and films are sheets that are both moisture permeable and waterproof, eliminating these problems (problems). It is now popular. However, since these sheets do not have heat shielding performance, they cannot be adequately accommodated as energy-saving houses in recent years with high airtightness and high heat insulation. Therefore, the development of a building sheet having a heat shielding performance as a next-generation moisture-permeable waterproof sheet is underway.
- Patent Document 1 discloses an architectural sheet in which an aluminum vapor-deposited film and a breathable reinforcing material are laminated and fine holes are provided with a needle or the like.
- the penetration part of the building sheet has moisture permeability, and it is necessary to increase the area of the penetration part in order to compensate for sufficient moisture permeability performance. There is a risk.
- Patent Document 2 discloses a metallized porous film in which a metal layer is provided by depositing metal on at least one surface of a porous film containing a polyolefin-based resin.
- the heat shielding performance is imparted to the porous film only with the metal vapor deposition layer.For example, when the metal layer falls off or delamination occurs due to external friction or bending. There is a risk that sufficient heat shielding performance cannot be secured.
- Patent Document 3 discloses a molded article for a photographic photosensitive material and a photographic photosensitive material packaging material related to a photographic film that completely secures light shielding properties and has excellent physical strength and appearance. This is a surface coating material formed of aluminum powder and a thermoplastic resin, and is not suitable for building materials because it is moisture-impermeable and air-impermeable.
- Patent Document 4 discloses a laminate formed by laminating a breathable reinforcing material on a polyethylene-based porous film kneaded with titanium oxide surface-treated with silica and / or alumina (that is, at least one of them). A sheet is disclosed. Titanium oxide surface-treated with silica and / or alumina is kneaded and a weathering agent is added to improve the weather resistance, but the heat-shielding performance is low, making it an energy-saving house that has recently been known for high airtightness and high thermal insulation. Sufficient correspondence is not possible.
- the present invention solves the above-mentioned problems, is excellent in moisture permeability and heat shielding performance, and is at least a porous film having corrosion resistance and long-term durability that can withstand harsh environments such as high temperature and high humidity. It aims at providing the lamination sheet which performed metal surface treatment and lamination of the reinforcement cloth on the single side
- anticorrosive refers to the performance of preventing the brightness from being lowered, the reflectance from being lowered, and the heat shielding performance from being lowered due to the chemical change on the surface of the glittering metal particles.
- the laminated sheet of the present invention includes metal particles and a filler for making porous other than metal particles, and has an area of 10% or more on at least one side of a porous film formed by stretching in at least uniaxial direction.
- a laminated sheet comprising a metal printed layer or a metal vapor deposited layer provided as described above and a reinforcing fabric adhered to at least one surface of the porous film in an area of 10 to 80%, and having the following performance It is what has. That is, the moisture permeability resistance is 0.04 to 0.19 m 2 ⁇ s ⁇ Pa / ⁇ g, the waterproofness is 10 KPa or more in the initial state, and the average value of infrared reflectance at 2000 nm to 2500 nm is 50% or more.
- the average value of infrared transmittance is 30% or less. Porous formation can be performed by adding a filler for this purpose so that pores are generated at the location of the filler during stretching.
- the heat ray wavelength from the sun is generally referred to as infrared rays of 750 nm to 2500 nm, and it is particularly effective in shielding heat from shielding wavelengths of 2000 nm to 2500 nm.
- the infrared reflectance and transmittance at the above wavelengths are measured as indicators of the heat shielding effect.
- the waterproofness is evaluated by the hydrostatic pressure method of method A defined in JIS L 1092 (2009).
- the waterproofness obtained by the hydrostatic pressure method of A method defined in JIS L 1092 is 8 KPa or more and the infrared reflectance at 2000 nm to 2500 nm is 70% or more of the initial value.
- a metal printing layer is provided by applying 0.5 to 50 g / m 2 of a metal ink containing metal particles and a film-forming resin on a porous film on a solid basis.
- the metal particles in the ink have a particle diameter of 0.5 to 50 ⁇ m, and are aluminum, nickel, stainless steel, chromium, silver, tin, titanium, iron, zinc, copper, silicon (metal silicon), magnesium, and these It is preferably one or any combination selected from the group consisting of alloys.
- the visible light reflectance by CCM (Computer Color Matching) is maintained at 70% or more from the initial value, and the infrared reflectance at 2000-2500 nm is It is preferable to maintain 70% or more from the initial value.
- the reinforcing fabric is made of polyester, polyamide, or polyolefin fibers having a tensile strength of 50 N / 5 cm or more and a fiber fineness of 1 to 1000 dtex in both the vertical and horizontal directions. It is preferably a woven fabric, a knitted fabric, a split fabric, or a non-woven fabric that is configured and has a mass per area of 20 to 500 g / m 2 .
- the filler for particle formation has a particle diameter of 0.1 to 40 ⁇ m, 0.10 to 30 parts by mass of the metal particles, and 10 to 10 parts by weight of the filler for porosity formation with respect to 100 parts by mass of the resin base material of the film. It is preferable that 70 mass parts is contained.
- the measurement of the particle diameters of the metal particles and the filler for making porous can be performed, for example, by image analysis in a state of being suspended on the surface of the solvent.
- the measurement of the aspect-ratio of a metal particle can be performed by the image analysis about an electron micrograph, for example.
- the resin substrate of the porous film is an olefin resin, and pores are formed in the porous filler portion by being stretched 1.1 to 5 times in at least one uniaxial direction. It is preferable.
- the laminated sheet of the present invention is a heat shield sheet for building foundations.
- the resin base of the film is mixed with metal particles and a porous filler, and then stretched in at least a uniaxial direction to make the porous sheet.
- the present invention compared to the conventional heat shield sheet, it exhibits high corrosion resistance, and the entire sheet has characteristics such as moisture permeable waterproof property, heat shield performance, and long-term durability. It is a laminated sheet having moisture permeability and water resistance and heat shielding performance, which contains metal particles suitable for packaging use, industrial use and the like.
- the present invention includes a porous film containing metal particles and a filler for making porous other than the metal particles, and having pores formed at portions of the filler for making porous by stretching in at least a uniaxial direction.
- a metal printing layer or a metal vapor deposition layer provided on at least one surface of the porous film so as to cover an area of 10% or more, and an area of 10 to 80% on at least one surface of the porous film.
- a laminated sheet made of a reinforcing fabric adhered to the substrate having a moisture permeability resistance of 0.04 to 0.19 m 2 ⁇ s ⁇ Pa / ⁇ g, a waterproof property of 10 KPa or more, and an infrared reflectance at 2000 nm to 2500 nm of 50 %, And the infrared transmittance is 30% or less.
- the metal particles are kneaded into the film-forming resin base material, the metal particles do not contact the outside and receive physical force from the outside, and the surface treatment layer is damaged. Therefore, excellent anticorrosive properties can be obtained.
- Film-forming resin base materials are polyolefin (PO) resins such as homopolymers or copolymers such as ethylene, propylene, and butene, amorphous polyolefin (APO) resins such as cyclic polyolefin, polyethylene terephthalate (PET), polyethylene 2, Polyester resins such as 6-naphthalate (PEN), polyamide resins such as nylon 6, nylon 12, copolymer nylon (PA), polyvinyl alcohol (PVA) resin, polyvinyl such as ethylene-vinyl alcohol copolymer (EVOH) Alcohol-based resin, polyimide (PI) resin, polyetherimide (PEI) resin, polysulfone (PS) resin, polyethersulfone (PES) resin, polyetheretherketone (PEEK) resin, polycarbonate (PC) resin , Polyvinyl buty Rato (PVB) resin, polyarylate (RAR) resin, ethylene-tetrafluoroethylene copolymer (ETFE), ethylene
- olefins are preferred from the viewpoints of economy and productivity. More preferably, polyethylene having a melting point in the range of 100 to 140 ° C. is preferable from the viewpoint of long-term durability.
- Preferred olefinic resins include linear polyethylene (LLDPE), low density polyethylene (LDPE), high density polyethylene (HDPE), and polypropylene resin (PP).
- the metal particles kneaded into the film-forming resin base material are aluminum, nickel, stainless steel, chromium, silver, tin, titanium, iron, zinc, copper, silicon (“metal silicon”; almost the same light reflectivity and light as metal Since it has shielding properties, it is included in “metal” in the present application.), Magnesium and the like, and various alloys composed of these, and one or more of these can be used. Examples of the alloy include a magnesium-aluminum alloy, brass (brass), and an aluminum-tin alloy. In the present invention, aluminum is particularly preferable from the viewpoints of high reflectivity, light weight, formability, economy, and the like.
- Examples of the surface treatment of the metal particles include aqueous treatment, resin coating, solvent replacement, interference coating, and the like, and it is desirable that the shape of the metal particles be flat so that a leafing effect can be obtained more easily than a sphere. Therefore, it is preferable to have a flake shape, that is, a plate shape or a scale shape. By treating the flaky metal particles with a fatty acid such as stearic acid, the leafing effect can be enhanced by collecting the flaky metal particles on the surface during molding or volatilization of the solvent.
- a fatty acid such as stearic acid
- the particle diameter of the metal particles is preferably 0.1 to 40 ⁇ m. Further, from the viewpoint of smoothness and film properties, 1 to 25 ⁇ m is preferable. When the particle diameter is 0.1 ⁇ m or more, sufficient smoothness is obtained and the heat shielding performance is improved. Moreover, if the particle diameter is 40 ⁇ m or less, tearing during film formation can be reduced.
- the thickness of the metal particles be arranged in parallel and evenly with as little gap as possible on the surface with a small addition amount. Is preferably smaller.
- the aspect ratio is 1.3 or more, preferably 5 or more and 2000 or less. When the aspect ratio is 1.3 or more, a sufficient leafing effect can be obtained and the heat shielding performance can be improved.
- particle diameter and particle thickness define the maximum dimension part of the particle as “particle diameter” and the minimum dimension part as “particle thickness”.
- the metal particles to be kneaded into the film-forming resin substrate should be coated with a resin in advance.
- a resin in advance.
- Can do If an inorganic or organic ultra-thin transparent strong film is formed on the metal particle surface, it will not be directly exposed to oxygen or moisture in the air, so it maintains high anti-corrosion properties while maintaining its glitter. Can do.
- the coating layer may be one layer or two or more layers, and can be appropriately treated depending on the required performance.
- a film when obtaining a leafing effect, it is preferable to form a film using stearic acid or the like having a high surface tension, and when obtaining a non-leafing effect, a film is formed using oleic acid or the like having a low surface tension. It is preferable.
- the object is high luminance (high reflectance), and it is preferable to form a surface film with stearic acid or the like that provides a leafing effect.
- Surface treatment of metal particles to satisfy further requirements includes aqueous treatment (film formation with phosphorus compounds, molybdenum compounds, silica, etc.
- the resin used for coating the metal particles preferably has a melting point higher than that of the film-forming resin base material or is difficult to flow due to crosslinking.
- a preferred coating resin is an acrylate resin (including a methacrylate resin).
- the amount of the resin used for coating (coating) of the metal particles is, for example, 10% or less, particularly 5% or less of the mass of the metal particles. In blending the metal particles into the resin substrate of the film, it is preferable to mix the metal particles in a relatively small amount of the resin substrate in advance to obtain a metal-added master batch.
- the metal particles are coated with a small amount of an acrylate resin, and then kneaded into a small amount of low density polyethylene (LDPE), so that the content of the metal particles is 10 to 80% by mass.
- LDPE low density polyethylene
- an inorganic filler, and an additive are kneaded in the main resin base materials, for example, a low density polyethylene (LDPE).
- LDPE low density polyethylene
- the metal-added masterbatch is substantially a resin (for example, LDPE) that becomes a part of the film base, metal particles, and a small amount of a coating resin (for example, an acrylate resin) for coating the metal particles. Consist only of.
- Such metal-added master batches include various types of “Metallic Compound“ Metax (trademark) ”(70% by mass of aluminum flakes, the rest being LDPE) of Toyo Aluminum Co., Ltd., various types of“ stainless flakes ”, and , Tokyo Ink Co., Ltd.'s “Silver Masterbatch” (aluminum flakes 14 to 40% by mass, the rest is LDPE).
- a master batch is easily formed, and productivity is improved.
- the metal particles are preferably added in an amount of 0.1 to 30 parts by mass, more preferably 1 to 10 parts by mass with respect to 100 parts by mass of the film-forming resin substrate (including the resin in the metal-added master batch).
- a metal-added master batch having a metal particle content of 70% by mass it is preferably 0 with respect to 100 parts by mass of the resin base material (excluding those contained in the metal-added master batch). 5 to 40 parts by weight, more preferably 1 to 10 parts by weight of a metal internally added masterbatch is added.
- the addition amount of the metal-added master batch is within the above range, sufficient heat shielding performance can be obtained, and tearing can be reduced during film formation.
- the filler for making porous used in the present invention is not particularly limited as long as it contributes to making it porous at the time of stretching, and is generally non-fibrous, and particularly has an aspect ratio of 1. It is preferably less than 0.5, preferably less than 1.3. If it is less than 1.5, the dispersibility with respect to a film formation resin base material will become favorable, and the uniformity of porous formation will improve.
- calcium carbonate is particularly preferable from the viewpoints of easy and uniform porosity formation, economic efficiency, and productivity.
- the particle size of the porous filler is preferably 0.1 to 40 ⁇ m.
- the particle diameter is 0.1 ⁇ m or more, it is possible to efficiently obtain a porous structure and improve productivity. Moreover, if the particle diameter is 40 ⁇ m or less, it is possible to reduce tearing during film formation.
- the added amount of the filler for making porous is preferably 10 to 70 parts by mass with respect to 100 parts by mass of the film-forming resin substrate. More preferably, the amount is 40 to 60 parts by mass from the viewpoint of moisture permeability effect, waterproofness, and film forming property.
- the addition amount is 10 parts by mass or more with respect to 100 parts by mass of the resin substrate, the film is sufficiently made porous when the film is stretched and the moisture permeability is improved. Moreover, if it is 70 mass parts or less, the tear at the time of film forming, etc. can be reduced.
- the filler for making porous may contain a relatively small amount of metal in a part of the surface layer or the like.
- the thickness of the porous film in the present invention is preferably 5 to 150 ⁇ m. Furthermore, 20 to 40 ⁇ m is preferable from the viewpoint of production efficiency. Moreover, if it is 5 micrometers or more, at the time of extending
- the porous film may be used in combination of one or two or more additives such as an ultraviolet absorber, a light stabilizer, and an antioxidant as long as the object of the present invention is not impaired. You can also do it.
- Examples of the ultraviolet absorber include benzophenone, salicylate, cyanoacrylate, benzoate, benzotriazole, triazine, nickel, and the like.
- Examples of the light stabilizer include benzotriazole, triazine, benzophenone, organic nickel, hindered piperidine, and hindered amine.
- examples of the antioxidant include phenol-based, phosphorus-based, sulfur-based, blend-based, and phosphite-based agents.
- the ultraviolet absorber, the light stabilizer, and the antioxidant to be used are not particularly limited in kind.
- additives include flame retardants, thermal stabilizers, rust inhibitors, copper damage stabilizers, antistatic agents, pigments, colorants, plasticizers, unblocking agents, lubricants, organic lubricants, and chlorine scavengers. You may add an agent, a blocking agent, a viscosity modifier, etc. as needed.
- the preferred production method of the porous film uses the above-mentioned resin base masterbatch, metal-added masterbatch, and filler for porous formation as raw materials, and if necessary, UV absorber, light stabilizer, antioxidant
- An agent and / or other additives are added and mixed using a Henschel mixer, a super mixer, a tumbler type mixer, or the like, and then kneaded using a single screw or twin screw extruder to be pelletized.
- these pellets are subjected to a known molding machine such as a T-die molding machine, an inflation molding machine, a calendar method, a multilayer molding method, a comma coater, a knife coater in the temperature range of the melting point of the resin substrate + 20 ° C. or more and less than the decomposition temperature Used to form a melt.
- the film can be formed directly with an extruder without being pelletized.
- the formed film is stretched at least in a uniaxial direction from a room temperature to a resin softening point (measured by a method defined in JIS K-6760) by a known method such as a roll method or a tenter method, A porous film is produced by causing interfacial peeling from the inorganic filler. Stretching may be performed in multiple stages.
- the draw ratio of the porous film is at least 1.1 to 5 times in a uniaxial direction, and preferably 1.5 to 3.5 times from the viewpoint of moldability and moisture permeability effect. If it is 1.1 times or more, it is made sufficiently porous and moisture permeability is improved. Moreover, if it is 5 times or less, generation
- Excellent heat-shielding performance and long-term durability by providing a metal printing layer or metal vapor deposition layer on at least one surface of the porous film obtained as described above so as to cover the porous film with an area of 10% or more.
- a metal printing layer is preferably used in that it has superior durability and productivity.
- cover ratio the ratio of the metal printing layer or the metal vapor deposition layer to the surface area (including the hole) of the porous film
- the presence of the metal printing layer or the metal vapor deposition layer on the surface of the porous film improves the ultraviolet and infrared reflectance, and can suppress the deterioration of the porous film due to ultraviolet and heat.
- the metal in the case of a porous film without a metal printing layer or a metal vapor deposition layer, the metal easily absorbs heat, so the metal particles kneaded in the porous film absorb heat, and the metal particles surround the resin. Since it is covered and hardly dissipates heat, there is a concern that the deterioration of the resin is promoted and the durability of the porous film is affected.
- the heat accumulated in the resin and metal particles in the porous film can be dissipated through the metal printing layer or metal vapor deposition layer, Deterioration promotion can be suppressed.
- the deterioration of the porous film is remarkably improved, and long-term durability can be realized.
- a metal ink (metallic ink) used in metal printing includes a film-forming resin composition and metal particles, and includes at least one of water and an organic solvent.
- the film-forming resin composition is preferably thermosetting or photocurable. That is, it is preferably cured by a heat treatment at a temperature lower than the thermal softening point of the film, or can be cured by irradiation with ultraviolet rays or blue light.
- the film-forming resin composition is, for example, an emulsion or a solution containing, as a main component, a synthetic resin such as a polyurethane resin, a polyester resin, a polyamide resin, a polyolefin resin, or an epoxy resin, and is usually water or an organic solvent.
- the metal ink is obtained, for example, by mixing a metal paste in which metal particles are dispersed at a high concentration in a medium composed of an organic solvent or water and a film-forming resin composition.
- an organic solvent or water is appropriately added and mixed together with the metal paste and the resin composition.
- the film-forming resin is a one-component urethane resin composed of a urethane prepolymer, and preferably forms a porous or non-porous moisture-permeable waterproof membrane by curing. is there.
- the film-forming resin is a curable resin that can be dispersed in an aqueous solvent such as an aqueous urethane resin.
- the “Hydran” series of DIC Corporation or the “Hymlen” series of Dainichi Seika Kogyo Co., Ltd. can be used as appropriate.
- a corrosion resistance treatment such as coating is performed in advance.
- a treatment for preventing whitening or the like is performed in the case of aluminum particles.
- a metal paste for example, those in each series of “Aqueous Al Paste” manufactured by Toyo Aluminum Co., Ltd., in which aluminum particles are dispersed at a high concentration in an organic solvent, can be used.
- “Aqueous Alpaste” includes (1) “EMR series” (“aluminum flake surface coated with high-density silica”, solvent is propylene glycol monomethyl ether), (2) “WL series” (“aluminum And (3) “WXM series” (“Aluminum surface treated with phosphorus compound (antirust)”)) .
- EMR series aluminum flake surface coated with high-density silica
- WL series aluminum And (3)
- WXM series aluminum surface treated with phosphorus compound (antirust)
- metal particles disposed on the surface layer such as a metal printing layer
- metal particles disposed on the surface layer include aluminum, nickel, stainless steel, chromium, silver, tin, titanium, iron, zinc, copper, silicon (“metal silicon”), magnesium, which are infrared reflective metals.
- the alloy include a magnesium-aluminum alloy, brass (brass), and an aluminum-tin alloy.
- the metal particle diameter of the metal ink used for printing is not particularly limited, but the average particle diameter (the volume-based median diameter described above) of 0.5 to 50 ⁇ m is preferable as a general-purpose range.
- the aspect ratio of the metal particles used in the metal ink is not particularly limited, but the leafing effect can be obtained by setting the same as the aspect ratio of the metal particles kneaded into the film-forming resin base material. .
- an aspect ratio close to 1, that is, close to a perfect sphere may be used.
- a pearl pigment having light reflectance substantially equivalent to that of metal particles and a required degree of light shielding is also included in the metal particles for convenience, and ink and printing made of such pearl pigments are also included. It will be called metal ink and metal printing.
- the above-mentioned “true” metal particles containing a metal as a main component and a pearl pigment not containing a metal as a main component may be included.
- the pearl pigment to be included in the metal particles is 40% or more or 50% or more when the reflectance with respect to infrared rays contained in sunlight is contained in a resin film having a thickness of 10 ⁇ m at 25% by weight, for example.
- the pearl pigments here are not only typical pearl pigments (natural mica (silicate mineral) coated with metal oxides such as titanium oxide and iron oxide), but also synthetic mica.
- a coated one can be used, and in some cases, a glass-based one, a bismuth oxychloride-based one, a titanium oxide polycrystalline flake, or the like may be used.
- the method for forming the metal printing layer is not particularly limited, but a coating method such as a comma coater, a knife coater or a gravure coater, or a method using flexographic printing or the like is preferable. In addition, methods using (flat) screen printing, rotary (screen) printing, ink jet, spraying, T-die, and the like are also included.
- the coating amount of metal ink (solid content including metal particles and resin) forming the metal printing layer is preferably 0.5 to 50 g / m 2 . More preferably, it is 2 to 25 g / m 2. In this case, the film thickness of the metal printing layer is 1.6 to 20 ⁇ m assuming that the density of the coating film is 1.25, for example.
- the coating amount is more preferably 3 to 15 g / m 2 , and further preferably 4 to 10 g / m 2 . If it is 0.5 g / m 2 or more, the heat shielding performance is improved, and if it is 50 g / m 2 or less, sufficient flexibility is obtained and the workability is improved.
- the application amount here is the amount of solid content per area covered with the metal printing layer, that is, the area where the application is actually performed.
- the coverage of the metal printing layer is preferably 10 to 80%, more preferably 20 to 80%, still more preferably 30 to 80%, and particularly preferably 40 to 70%. If the cover rate is 10% or more, the heat shielding performance can be improved. Moreover, if it is 80% or less, moisture permeability can be improved. Metal printing is performed so that the coverage is almost uniform at any location. That is, for example, the printing layer pattern such as a dot shape, a stripe shape, or a lattice shape is distributed almost evenly.
- a dot pattern such as a rectangle with rounded corners, a circle, or an ellipse is evenly distributed, and the width of each dot pattern (minimum diameter) or the width of a linear portion of a stripe or grid For example, it is 50 ⁇ m to 0.5 cm.
- the pattern (garb; the shape and arrangement pattern of the printed layer pattern) is not particularly limited. Even when printing is performed using a comma coater or a knife coater, a desired coverage can be obtained by applying the adhesive tape to the coater at a predetermined interval in a streak-like manner.
- the dot-like non-printing portions can be provided substantially uniformly.
- the thickness of the coating film forming the metal printing layer is sufficiently smaller than the diameter of the opening, for example, 60% or less, the opening is blocked. Absent. Therefore, moisture permeability can be sufficiently contributed even in the region of the metal print layer.
- the content (% by weight) of metal particles in the metal printing layer is preferably 5 to 35%.
- the metal used for metal vapor deposition is an infrared reflective metal such as aluminum, nickel, stainless steel, tin, silver, chromium, etc. Among them, aluminum that is most excellent in infrared reflectivity and economy.
- the metal vapor deposition layer which has as a main component is preferable.
- the metal deposition layer preferably has a film thickness of 10 to 100 nm. More preferably, it is 20 to 80 nm. If it is 10 nm or more, infrared rays can be sufficiently reflected, and the heat shielding performance is improved. If it is 100 nm or less, sufficient moisture permeability is obtained, and further productivity is improved. If the thickness of the metal vapor deposition layer is within the above range, it is considered that the pores formed in a size corresponding to the particle diameter of the porous filler are retained in the porous film without being buried. .
- the metal deposition layer can be formed by a normal vacuum deposition method, but other thin film formation methods such as sputtering, ion plating, and plasma vapor deposition (CVD) are used. You can also. However, in consideration of productivity, the vacuum deposition method is the best.
- the heating means of the vacuum evaporation apparatus by the vacuum evaporation method it is preferable to use an electron beam heating method, a resistance heating method, or an induction heating method. In order to improve the adhesion between the thin film and the substrate and the denseness of the thin film, plasma assist It is also possible to use an ion beam assist method.
- the metal printing layer or metal deposition layer is synthesized with polyurethane, polyamide, polyester, polyolefin, acrylic, epoxy, etc. It is preferable to coat with a protective layer made of a resin, and to add a water-repellent agent such as fluorine, silicone or paraffin.
- the amount of the synthetic resin constituting the protective layer is preferably 0.05 to 5 g / m 2 in solid content, more preferably 0.1 to 1 g / m 2 . If it is 0.05 g / m ⁇ 2 > or more, the intensity
- corrosion inhibitors surfactants, etc.
- antioxidants phenolic, amine-based primary antioxidants, phosphorus-based, sulfur-based secondary antioxidants, etc.
- an ultraviolet absorber octyl methoxycinnamate, oxybenzone, etc.
- a light stabilizer hindered amine type, etc.
- a crosslinking agent isocyanate type, epoxy type
- the method for applying the protective layer is not particularly limited as long as a thin film can be formed and can be uniformly coated, but a coating method such as a comma coater, a knife coater or a gravure coater, or a method using flexographic printing is preferable.
- a coating method such as a comma coater, a knife coater or a gravure coater, or a method using flexographic printing is preferable.
- methods using padding (dip / nip), screen printing, rotary printing, ink jet, spraying, T-die, and the like are also included.
- the primer treatment or the film surface modification treatment is performed. May be performed.
- the primer coating treatment may be performed by using a resin composition mainly composed of a polyurethane resin, a polyester resin, a polyamide resin, a polyolefin resin, an epoxy resin, or the like, such as a solvent type, an aqueous type, or an emulsion type.
- a coating method such as a comma coater, a knife coater, a gravure coater, or a method using flexo printing is preferably used.
- padding dip / nip
- kiss coater screen print
- rotary print inkjet
- the surface modification method include corona discharge treatment, ozone treatment, plasma treatment using argon gas, oxygen gas, or nitrogen gas, glow discharge treatment, oxidation treatment using chemicals, and the like. .
- the adhesion and surface smoothness of the metal layer can be improved, and the drop-off preventing property can be improved.
- the reinforcing fabric examples include woven fabrics, knitted fabrics, split fabrics, and nonwoven fabrics, and may be known ones. Among these, from the viewpoint of securing strength, it is preferable to be composed of fibers of polyester, polyamide, polyolefin and the like.
- the fineness of the fiber is preferably 1 to 1000 dtex. If it is 1 dtex or more, the strength is improved, and if it is 1000 dtex or less, sufficient flexibility is obtained and the workability is improved.
- the mass per unit area (weight) is preferably 20 to 500 g / m 2 . If it is 20 g / m 2 or more, sufficient strength can be obtained.
- the tensile strength is 50 N / 5 cm or more for both vertical and horizontal. If it is 50 N / 5 cm or more, tearing, tearing, etc. during construction can be reduced.
- the reinforcing fabric is a non-woven fabric
- a known method such as chemical bond, spunlace, spunbond, or melt blow is used as the manufacturing method.
- the lamination is not limited to two layers, and may be a multilayer having a plurality of structures from the viewpoints of strength and tension according to the purpose and application.
- a reinforcing fabric can be attached to both sides of a porous film provided with a metal printing layer or a metal vapor deposition layer, respectively, or can be attached to one side of the porous film. At this time, two reinforcing fabrics can be pasted so that their vertical directions intersect.
- a general method for laminating the film and the reinforcing cloth of the present invention a general method such as dry lamination, wet lamination, thermal lamination, hot lamination, etc. can be used, and it is laminated so that it is difficult to peel off during construction and use.
- the adhesive used for lamination may be a solvent-based, water-based, or emulsion-based adhesive, but is not particularly limited and is not limited.
- organic solvent-based, one-component moisture-curable or two-component curable dry laminate adhesives for food packaging films for example, “Yunoflex” series manufactured by Sanyo Chemical Industries, Ltd.
- urethane-based reactive curing Type, solvent-free laminate adhesive for food packaging film for example, “Dick Dry” series manufactured by DIC Graphics Co., Ltd.
- hot-melt type dry laminate adhesive for food packaging film for example, Asahi Chemical
- Asahi Melt ethylene-vinyl acetate
- the total area of the adhesion portions between the film and the reinforcing cloth at the time of lamination is 10 to 80% of the total area to be overlaid and bonded. If it is less than 10%, sufficient adhesiveness may not be obtained, and there is a risk of peeling between the layers, and if it exceeds 80%, the opening may be filled with an adhesive and air permeability may be impaired.
- the dry laminate adhesive for food packaging film as described above is applied to a reinforcing cloth with a roller to a moderately thin thickness and then superposed on a porous film, the area ratio of the bonded portion can be easily reduced to 30 to 70%. It can be.
- the adhesive is spray-applied to the reinforcing cloth, it can be applied in a fine dot shape (for example, a diameter of 10 ⁇ m to 0.1 cm), and the area ratio of the bonded portion is, for example, 10 to 50%. In particular, it may be 10 to 30%.
- the moisture permeability resistance of the laminated sheet obtained is 0.04 to 0.19 m 2 ⁇ s ⁇ Pa / ⁇ g, and in the initial state, the moisture resistance of A method specified in JIS L 1092 (2009)
- the waterproof property obtained by the hydrostatic pressure method is 10 KPa or more. If the moisture permeability resistance is less than 0.04 m 2 ⁇ s ⁇ Pa / ⁇ g, the waterproof property may be impaired. In addition, if it exceeds 0.19 m 2 ⁇ s ⁇ Pa / ⁇ g, the humidity in the room is difficult to escape to the outside in actual use, and there is a risk of mold on wood and building materials such as pillars. It may be damaged and is not preferable.
- the waterproof property is less than 10 kPa, it is difficult to say that it is waterproof in actual use.
- the average value of infrared reflectance is 50% or more and the average value of infrared transmittance is 30% or less. If the average value of the infrared reflectance is less than 50% and / or the average value of the infrared transmittance is more than 30%, it is difficult to say that there is a heat shielding effect in actual use.
- JIS L1092 It is preferable that the waterproofness obtained by the hydrostatic pressure method of method A defined in (2009) is 8 KPa or more and that the infrared reflectance at 2000 nm to 2500 nm is maintained at 70% or more of the initial value. If the retention rate is 70% or more, the heat shielding performance can be improved even in long-term construction.
- Infrared reflectivity and transmittance were measured using an ultraviolet / visible / near infrared spectrophotometer (UV-3600, manufactured by Shimadzu Corporation). Infrared reflectance and transmittance were measured under the measurement wavelength of 2000 to 2600 nm. (5) Infrared reflectance retention after corrosion treatment (high-temperature and high-humidity treatment) The test piece is left for 72 hours in a constant-temperature dryer (FC-612 manufactured by ADVANTEC) at 70 ° C. ⁇ 90% RH.
- FC-612 manufactured by ADVANTEC
- Infrared reflectance retention rate (infrared reflectance after endurance treatment / initial infrared reflectance) ⁇ 100 (6) Discoloration judgment after corrosion treatment (high-temperature and high-humidity treatment) The specimen is left for 72 hours in a constant temperature dryer (FC-612 manufactured by ADVANTEC) at 70 ° C. ⁇ 90% RH.
- Example 1 The particle diameter is 1 ⁇ m with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0).
- resin-based polyethylene Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0.
- An aluminum masterbatch having a particle thickness of 0.05 ⁇ m and an aspect ratio of 20 manufactured by Tokyo Ink Co., Ltd., PEX496Silver AL; 32% by mass of aluminum particles, the rest being a low density polyethylene resin (LDPE), and a small amount of coating material 25 parts by mass of an acrylate resin) and 25 parts by mass of an inorganic filler (heavy calcium carbonate; BF-400, manufactured by Shiraishi Calcium Co., Ltd., TINUVIN 120, manufactured by Ciba Japan Co., Ltd.) having a particle size of 40 ⁇ m. 2 parts by weight, light stabilizer (Ciba Japan 2 parts by mass of CHIMASSORB 2020 FDL manufactured by Co., Ltd.
- LDPE low density polyethylene resin
- the aluminum printing of Formula 1 was applied to one side (surface) of this film by a gravure coating method so that the solid content was 5 g / m 2 (dot pattern with a diameter of 0.3 cm circle, covering rate 65%), and air blowing Heat treatment was performed at 80 ° C. for 30 seconds in a constant temperature dryer.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) warp 269 N / 5 cm (27%), width 104 N / 5 cm ( 33%) was adhered by a dry laminating method to obtain a house wrap material.
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of dry laminate adhesive applied to the nonwoven fabric was 5 g / m 2 in terms of solid content, and the adhesion area was 50% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- Table 1 The evaluation results are shown in Table 1.
- Prescription 1 50 parts by mass of Hydran HW-201 (ether polyurethane resin, solid content 35%, manufactured by DIC Corporation) Isopropyl alcohol 15 parts by mass Water 100 parts by mass EMR-D3422 10 parts by mass (aluminum paste, metal content 60%, average particle size 22 ⁇ m, manufactured by Toyo Aluminum Co., Ltd.)
- Example 2 The particle size is 0 with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0).
- resin-based polyethylene Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0.
- Example 3 The particle diameter is 10 ⁇ m with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0).
- An aluminum masterbatch having a particle thickness of 7.6 ⁇ m and an aspect ratio of 1.32.
- the particle diameter is 10 ⁇ m with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0).
- resin-based polyethylene Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0.
- An aluminum masterbatch having a particle thickness of 0.5 ⁇ m and an aspect ratio of 20 (Toyo Aluminum Co., Ltd., NME010T6; 70% by mass of aluminum particles, the rest being low-density polyethylene resin, polyethylene wax, and a small amount of acrylate as a coating material 20 parts by weight of resin), 70 parts by weight of inorganic filler (heavy calcium carbonate; manufactured by Shiraishi Calcium Co., Ltd., BF-200) having a particle diameter of 5 ⁇ m, and UV absorber (TINUVIN 120 manufactured by Ciba Japan Co., Ltd.).
- the particle diameter is 20 ⁇ m with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0).
- resin-based polyethylene Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0.
- An aluminum masterbatch having a particle thickness of 0.05 ⁇ m and an aspect ratio of 400 (Toyo Aluminum Co., Ltd., NME020T2; 70% by mass of aluminum particles, the rest being a low-density polyethylene resin, polyethylene wax, and a small amount of acrylate as a coating material 1 part by mass of resin), 60 parts by mass of inorganic filler (heavy calcium carbonate; manufactured by Shiraishi Calcium Co., Ltd., BF-300) having a particle diameter of 8 ⁇ m, and UV absorber (TINUVIN 120 manufactured by Ciba Japan Co., Ltd.). 2 parts by weight, light stabilizer (Ciba 2 parts by mass of CHIMASSORB 2020 FDL manufactured by Bread Co., Ltd.
- the particle diameter is 10 ⁇ m with respect to 100 parts by mass of polyethylene as a resin base (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; high-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0)
- Aluminum masterbatch with particle thickness of 1 ⁇ m and aspect ratio of 10 (Toyo Aluminum Co., Ltd., NME010T6; 70% by mass aluminum particles, the rest being low density polyethylene resin, polyethylene wax, and acrylate resin as a small amount of coating material) 5 parts by mass, an inorganic filler (heavy calcium carbonate; manufactured by Shiraishi Calcium Co., Ltd., BF-200) having a particle size of 5 ⁇ m, and a masterbatch UV absorber (manufactured by Ciba Japan Co., Ltd., TINUVIN 120) 2 parts by weight, light stable (Ciba Japan Co., Ltd., CHIMASSORB 2020 FDL)
- Example 8 Resin base polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560; High-density polyethylene resin for film, melting point 128 ° C., density 0.963, melt flow rate 7.0) SUS masterbatch with particle thickness of 0.04 ⁇ m and aspect ratio of 1000 (RFA-3000 manufactured by Toyo Aluminum Co., Ltd .; 70% by mass of stainless steel (SUS316L) particles, the rest being low-density polyethylene resin and polyethylene wax, a small amount 1 part by mass of an acrylate resin as a coating material, 50 parts by mass of an inorganic filler (heavy calcium carbonate; manufactured by Shiraishi Calcium Co., Ltd., BF-200) having a particle diameter of 5 ⁇ m, and a masterbatch UV absorber (Ciba TINUVIN 120 manufactured by Japan Co., Ltd.
- Example 9 A film was formed in the same manner as in Example 7. Further, in the same manner as in Example 1, aluminum printing was performed on one side of the film, and a non-woven fabric was laminated on the other side. The evaluation results are shown in Table 1.
- Example 10 A film was formed in the same manner as in Example 7, and further, stainless steel printing of Formula 2 was applied to one side (surface) of this film by a gravure coating method so that the solid content was 5 g / m 2 (diameter 0.3 cm yen). (The cover rate was 65%) and heat treatment was performed at 80 ° C. for 30 seconds. In addition, the lamination process of the nonwoven fabric was performed on the opposite surface of the printing surface in the same manner as in Example 1. The evaluation results are shown in Table 1.
- Example 11 A film was formed in the same manner as in Example 7, and further, stainless steel printing of Formula 2 was applied to one side (surface) of this film by a gravure coating method so that the solid content was 2 g / m 2 (diameter of 0.5 cm). A dot pattern of 15%) and heat treated at 80 ° C. for 30 seconds. In addition, the lamination process of the nonwoven fabric was performed on the opposite surface of the printing surface in the same manner as in Example 1. The evaluation results are shown in Table 2.
- Example 12 A film was formed in the same manner as in Example 7, and further, stainless steel printing of Formula 2 was applied to one side (surface) of this film by a gravure coating method so that the solid content was 8 g / m 2 (diameter of 0.5 cm). A dot pattern of 73% covering rate) and heat treated at 80 ° C. for 30 seconds. In addition, the lamination process of the nonwoven fabric was performed on the opposite surface of the printing surface in the same manner as in Example 1. The evaluation results are shown in Table 2.
- Example 13 A film was formed in the same manner as in Example 7, and further, stainless steel printing treatment was performed on one side of the film in the same manner as in Example 10.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%)) )
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%))
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of the dry laminate adhesive applied to the nonwoven fabric was 4 g / m 2 in terms of solid content, and the adhesion area was 17% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- Table 2 The evaluation results are shown in Table 2.
- Example 14 A film was formed in the same manner as in Example 7, and further, stainless steel printing treatment was performed on one side of the film in the same manner as in Example 10.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%)) )
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%))
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of dry laminate adhesive applied to the nonwoven fabric was 8 g / m 2 in terms of solid content, and the adhesion area was 76% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- Table 2 The evaluation results are shown in Table 2.
- Example 15 A film was formed in the same manner as in Example 7. Further, the primer treatment solution of Formula 3 was applied to one side of this film by a gravure coating method so that the dry solid content was 0.5 g / m 2, and at 80 ° C. Heat-treated for 30 seconds. Next, aluminum vapor deposition was performed on the primer-treated surface of the film so as to have a film thickness of 450 ⁇ 50 mm (coverage rate 98%). Further, an aqueous solution of the following formulation 4 was applied to this vapor deposition surface by a knife coating method so as to have a dry solid content of 1.0 g / m 2, and heat-treated at 80 ° C. for 30 seconds to form a protective layer having a thickness of 1.0 ⁇ m.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), horizontal 104 N / 5 cm) (33%)) was bonded by a dry laminating method to obtain a house wrap material.
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of the dry laminate adhesive applied to the nonwoven fabric was 4.5 g / m 2 in terms of solid content, and the adhesion area was 30% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- the evaluation results are shown in Table 2.
- an inorganic filler dasheavy calcium carbonate; BF-200, manufactured by Shiraishi Calcium Co., Ltd.
- resin-based polyethylene Nippon Polyethylene Co., Ltd., Novatec HD, HF560
- a masterbatch UV absorber manufactured by
- Example 10 aluminum printing was performed on one side of the film, and a nonwoven fabric was laminated on the other side in the same manner as in Example 1. The evaluation results are shown in Table 2.
- Aluminum masterbatch (Toyo Aluminum Co., Ltd.) having a particle diameter of 10 ⁇ m, a particle thickness of 6.5 ⁇ m, and an aspect ratio of 1.54 with respect to 100 parts by mass of resin-based polyethylene (Nippon Polyethylene Co., Ltd., Novatec HD, HF560) NME010T6; 70% by weight of aluminum particles, the rest being low-density polyethylene resin, polyethylene wax, and a small amount of acrylate resin as a coating material), 20 parts by weight, UV absorber (TINUVIN 120, manufactured by Ciba Japan Co., Ltd.) 2 parts by weight, 2 parts by weight of light stabilizer (CibaSSO 2020 FDL), 2 parts by weight of antioxidant (Ciba Japan Co., Ltd., IRGANOX 1098) are added, and the same direction rotating biaxial Dissolved at a temperature of 210 ° C in an extruder And homogenized by kneading.
- Example 10 a film having a thickness of 135 ⁇ m was formed by a T die. Thereafter, the film was stretched 5 times in the film formation (length) direction to form a 27 ⁇ m porous film. Further, as in Example 10, aluminum printing was performed on one side of the film, and a nonwoven fabric was laminated on the other side in the same manner as in Example 1. The evaluation results are shown in Table 2.
- Example 3 A film was formed in the same manner as in Example 7, and the aluminum printing of Formula 1 was applied to one side (surface) of this film by a gravure coating method so that the solid content was 20 g / m 2 (diameter of 1.5 cm). The heat treatment was carried out at 80 ° C. for 30 seconds. In addition, the lamination process of the nonwoven fabric was performed on the opposite surface of the printing surface in the same manner as in Example 1. The evaluation results are shown in Table 2.
- Example 4 A film was formed in the same manner as in Example 7, and further, stainless steel printing treatment was performed on one side of the film in the same manner as in Example 10.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%)) )
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%))
- a dry laminating method to obtain a house wrap material.
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of dry laminate adhesive applied to the nonwoven fabric was 2.5 g / m 2 in terms of solid content, and the adhesion area was 8% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- Table 2 The evaluation results are shown in Table 2.
- Example 5 A film was formed in the same manner as in Example 7, and further, stainless steel printing treatment was performed on one side of the film in the same manner as in Example 10.
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%)) )
- a polyester spunbonded nonwoven fabric having a basis weight of 70 g / m 2 (3701A manufactured by Toyobo Co., Ltd., tensile strength (elongation) length 269 N / 5 cm (27%), width 104 N / 5 cm (33%))
- a dry laminating method to obtain a house wrap material.
- hot melt dry laminate adhesive for food packaging film (Asahimelt K1217 manufactured by Asahi Chemical Synthetic Co., Ltd.) is dissolved at 230 degrees and applied by spray method.
- the amount of the dry laminate adhesive applied to the nonwoven fabric was 11 g / m 2 in terms of solid content, and the adhesion area was 83% of the total area of the nonwoven fabric. And it clamped between a pair of rollers.
- Table 2 The evaluation results are shown in Table 2.
- Examples 1 to 15 provided excellent moisture permeability and waterproofness, excellent infrared shielding properties, and long-term durability thereof.
- particularly excellent infrared shielding ability and durability were obtained by adding a small amount of metal particles.
- the particle size and the aspect ratio were within suitable ranges, so it is considered that a good leafing effect was obtained.
- Examples 9 to 10 and 12 to 14 whose results are shown in Table 2 are those under particularly preferable conditions, the initial infrared reflectance is 85% or more, and the retention rate is any durability. Even in the test, the value exceeded 90%.
- Example 11 since the coating amount (film thickness) and the coverage of metal printing were both small, the initial infrared reflectance and transmittance were slightly inferior. Further, as is known from a comparison between Example 9 and Example 10, in Example 10 in which stainless steel particles and a moisture permeable waterproof film were used for the metal printing layer, aluminum particles and a moisture permeable urethane film were used. The moisture permeability was higher than that of Example 9, and the durability was excellent. However, the initial infrared reflectance was higher in Example 9 using aluminum.
- Example 10 which used the aluminum particle and the moisture-permeable waterproof film for the metal printing layer is not shown, it is almost equivalent to Example 10 in moisture permeability and durability, and in the initial infrared reflectance, the Example It is confirmed by preliminary experiments that it is almost equivalent to 9.
- Example 12 in which the coating amount (film thickness) and the coverage of metal printing were both increased under the same conditions as in Example 10, the moisture permeability decreased, but the initial infrared reflectance and transmittance, and 2 The durability of the two tests was very good. Further, in Example 13 in which the adhesion area ratio with the reinforcing fabric was reduced to 17% under substantially the same conditions as in Example 10, the moisture permeability was slightly improved as compared with Example 10, but the other performance was affected. I could't see it. From this, it was considered that the adhesion area ratio is preferably small, for example, 10 to 30% is preferable.
- Example 14 in which the adhesion area ratio with the reinforcing cloth was increased to 73%, the transmittance of infrared rays was slightly improved, but the moisture permeability decreased. However, there were no other effects in other respects.
- Example 15 when the metal vapor deposition layer was provided, the durability was lowered, but the initial infrared reflectance and transmittance and moisture permeability were all excellent. Although detailed results are omitted, if any of the conditions deviates from the preferred range, any of moldability, moisture-permeable waterproof property, infrared shielding property, and durability thereof is inferior.
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Abstract
Description
(1)成形性
フィルム成形状態を目視確認し、下記のように評価した。
○:不具合なく、成形可能
×:破れや亀裂を生じ、成形不可能
(2)透湿抵抗
評価機は、株式会社 大栄科学精器製作所製 DH-400を使用し、JIS A 6111(2004)に準じて測定を行った。得られた数値が小さいほど、湿気が多く屋外に放出される。
(3)防水性
評価機は、株式会社 大栄科学精器製作所製のWP-100Kを使用し、JIS L 1092(2009)に規定するA法に準じて測定を行った。初期の防水性の評価基準は、10KPa以上保持しておれば、実際の使用上において問題とならないと判断した。
赤外線反射率、透過率は、紫外・可視・近赤外線分光光度計(株式会社島津製作所製 UV-3600)を使用し、試験片の表側面(施工時の外壁側面)を計測波長2000~2600nmの条件下で赤外線反射率及び透過率を測定した。
(5)腐食処理(高温高湿処理)後の赤外線反射率の保持率
試験片を恒温乾燥機(ADVANTEC製 FC-612)70℃×90%RHの環境に72時間放置する。その後、紫外・可視・近赤外線分光光度計(株式会社島津製作所製 UV-3600)を使用し、試験片の表側面(施工時の外壁側面)を計測波長2000~2600nmの条件下で赤外線反射率を測定し、次の式にて保持率を算出した。
赤外反射率の保持率=(耐久処理後の赤外反射率/初期の赤外反射率)×100
(6)腐食処理(高温高湿処理)後の変色判定
試験片を恒温乾燥機(ADVANTEC製 FC-612)70℃×90%RHの環境に72時間放置する。その後、CCM(コニカミノルタセンシング株式会社製 CM-3700A、CM-S100W)を用いて、可視光(400~700nm)の反射率を測定し、その積分値を求めた
防食性の変色判定は、初期値を基準として下記のように評価した。
○:腐食処理後の値が初期値の70%以上である
×:腐食処理後の値が初期値の70%未満である
JIS A 6111(2004)透湿防水シートの耐久性における処理内容に基づき、日射に促進曝露試験JIS A 1415(2013)に準じて、試験片にサンシャインウェザーメ-ター((SWM):スガ試験機株式会社製 WEL-SUN-MCH,B型)を使用し、2時間/サイクルを100サイクルで照射し、その後、JIS K 7212(1999)に準じ加熱処理を行った。処理の温度と時間は、80±2℃で28週間とした。このようにして、20年相当の促進曝露処理を行った後、防水性の評価を、JIS L 1092(2009)に規定するA法の静水圧法によって行った。ただし、水圧の加圧面は試験片の表面(施工時の外壁面)とした。耐久処理後の防水性の評価基準は、8KPa以上保持しておれば、実際の使用上において問題とならなく、耐久性があると判断した。
上記(7)と全く同様にして、20年相当の促進曝露処理を行った後、紫外・可視・近赤外線分光光度計(株式会社島津製作所製 UV-3600)を使用し、試験片の表側の面(施工時の外壁側の面)について、計測波長2000~2500nmの条件下で赤外線反射率を測定し、次の式にて保持率を算出した。
赤外反射率の保持率=(耐久処理後の赤外反射率/初期の赤外反射率)×100
そして、この平均値が試験前の70%以上であることを確認する。
(9)引張強伸度
JIS L 1906に基づく引っ張り試験により、積層シートの引張強度及び引張伸度を測定し、全ての実施例及び比較例にて裏打ちに用いたポリエステルスパンボンド不織布(東洋紡株式会社製 3701A)のものと、ほぼ同一となっていることを確認した。すなわち、不織布のタテ方向(不織布製造時における帯状シート送り出し方向)にて、いずれも、269N/5cm前後の強度、及び27%前後の伸びが見られ、不織布のヨコ方向(不織布製造時における帯状シートの幅方向)にて、104N/5cm前後の強度、及び33%前後の伸びが見られることを確認した。これらの結果は、表中には記載していない。
(10)カバー率及び接着面積率
所定のカバー率となっていることを、走査型電子顕微鏡を使用し拡大倍率300倍での撮像後、画像解析により確かめた。また、ドライラミネート時の接着面積率は、不織布を多孔質フィルムから引き剥がした後、多孔質フィルム上における、不織布の繊維が付着している箇所、及び、繊維が剥離した跡がある箇所の総面積が全体の面積に占める比率について、実体顕微鏡で観察することにより、10%単位で判定したものである。これらの結果も、表中には記載していない。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し、粒子径が1μm、粒子の厚み0.05μm、アスペクト比が20のアルミニウムマスターバッチ(東京インキ株式会社製、PEX496Silver AL;32質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂(LDPE)、及び少量のコーティング材としてのアクリレート樹脂)を25質量部、粒子径が40μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-400)を25質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み30μmのフィルムを押し出した。その後、フィルム形成(長さ)方向に、1.1倍延伸を行い、厚み27μmの多孔質フィルムを得た。さらに、このフィルムの片面(表面)に処方1のアルミニウム印刷を固形分で5g/m2となるようにグラビアコーティング法により付与し(直径0.3cm円のドット柄。カバー率65%)、送風定温乾燥機中にて80℃で30秒熱処理した。加えて、上記印刷面とは反対の面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、5g/m2となるようにし、接着面積が不織布の全面積あたりの50%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表1に示す。
〔処方1〕
ハイドランHW-201 50質量部
(エーテル系ポリウレタン樹脂 固形分35% DIC株式会社製)
イソプロピルアルコール 15質量部
水 100質量部
EMR―D3422 10質量部
(アルミニウムペースト、金属含有量60%、平均粒子径22μm、東洋アルミニウム株式会社製)
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し、粒子径が0.1μm、粒子の厚み0.01μm、アスペクト比が10のアルミニウムマスターバッチ(東京インキ株式会社製、PEX526Silver;40質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及び少量のコーティング材としてのアクリレート樹脂)を40質量部、粒子径が0.1μmの無機フィラー(合成炭酸カルシウム;白石カルシウム株式会社製、ソフトン23000)を10質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み7.5μmのフィルム形成した。その後、フィルム形成(長さ)方向に、1.5倍延伸を行い、厚み5μmの多孔質フィルムを得た。さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し、粒子径が10μm、粒子の厚み7.6μm、アスペクト比が1.32のアルミニウムマスターバッチ(東洋アルミニウム株式会社製、NME010T6B;70質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を20質量部、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を50質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み135μmのフィルム形成した。その後、フィルム形成(長さ)方向に、5倍延伸を行い、厚み27μmの多孔質フィルムを得た。さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し、粒子径が10μm、粒子の厚み0.5μm、アスペクト比が20のアルミニウムマスターバッチ(東洋アルミニウム株式会社製、NME010T6;70質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を20質量部、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を70質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み60μmのフィルム形成した。その後、フィルム形成(長さ)方向に、5倍延伸を行い、厚み12μmの多孔質フィルムを得た。さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し、粒子径が20μm、粒子の厚み0.05μm、アスペクト比が400のアルミニウムマスターバッチ(東洋アルミニウム株式会社製、NME020T2;70質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を1質量部、粒子径が8μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-300)を60質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み60μmのフィルム形成した。その後、フィルム形成(長さ)方向に、1.5倍延伸を行い、厚み40μmの多孔質フィルムを得た。さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し粒子径が40μm、粒子の厚みが0.04μm、アスペクト比が1000のSUSマスターバッチ(東洋アルミニウム株式会社製、RFA-3000;70質量%がステンレス(SUS316L)粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を1質量部、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を50質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し高速で同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み450μmのフィルム形成した。その後、フィルム形成(長さ)方向に、3倍延伸を行い、厚み150μmの多孔質フィルムを得た。さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し粒子径が10μm、粒子の厚みが1μm、アスペクト比が10のアルミニウムマスターバッチ(東洋アルミニウム株式会社製、NME010T6;70質量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を5質量部、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を50質量部、マスターバッチ化した紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し高速で同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み60μmのフィルム形成した。その後、フィルム形成(長さ)方向に、2倍延伸を行い、30μmの多孔質フィルムを成形した。さらに、このフィルムの片面(表面)に処方2のステンレス印刷を固形分で0.5g/m2となるようにグラビアコーティング法により付与し(直径2.5cm円のドット柄。カバー率80%)、80℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表1に示す。
〔処方2〕
ハイムレンT-21-1 100質量部
(エーテル系ポリウレタン樹脂、固形分25%、大日精化工業株式会社製)
IPA 15質量部
RFA-4000 10質量部
(SUSフレーク、金属含有量60%、平均粒子径30μm、東洋アルミニウム株式会社製)
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560;フィルム用高密度ポリエチレン樹脂、融点128℃、密度0.963、メルトフローレート7.0)100質量部に対し粒子径が40μm、粒子の厚みが0.04μm、アスペクト比が1000のSUSマスターバッチ(東洋アルミニウム株式会社製、RFA-3000;70質量%がステンレス(SUS316L)粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を1質量部、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を50質量部、マスターバッチ化した紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し高速で同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み450μmのフィルム形成した。その後、フィルム形成(長さ)方向に、3倍延伸を行い、150μmの多孔質フィルムを成形した。さらに、このフィルムの片面(表面)に処方2のステンレス印刷を固形分で50g/m2となるようにグラビアコーティング法により付与し(直径0.5cm円のドット柄。カバー率10%)、90℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表1に示す。
実施例7と同様にフィルムを成形し、さらに、実施例1と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に不織布の積層処理を行った。評価結果を表1に示す。
実施例7と同様にフィルムを成形し、さらに、このフィルムの片面(表面)に処方2のステンレス印刷を固形分で5g/m2となるようにグラビアコーティング法により付与し(直径0.3cm円のドット柄。カバー率65%)、80℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表1に示す。
実施例7と同様にフィルムを成形し、さらに、このフィルムの片面(表面)に処方2のステンレス印刷を固形分で2g/m2となるようにグラビアコーティング法により付与し(直径0.5cm円のドット柄。カバー率15%)、80℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、このフィルムの片面(表面)に処方2のステンレス印刷を固形分で8g/m2となるようにグラビアコーティング法により付与し(直径0.5cm円のドット柄。カバー率73%)、80℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、実施例10と同様にフィルムの片面にステンレス印刷処理を行った。加えて、上記印刷面の反対面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、4g/m2となるようにし、接着面積が不織布の全面積あたりの17%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、実施例10と同様にフィルムの片面にステンレス印刷処理を行った。加えて、上記印刷面の反対面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、8g/m2となるようにし、接着面積が不織布の全面積あたりの76%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、このフィルムの片面に処方3のプライマー処理用溶液を乾燥固形分で0.5g/m2となるようにグラビアコーティング法により付与し、80℃で30秒熱処理した。次にフィルムのプライマー処理面に450±50Åの膜厚となるようアルミニウム蒸着加工を行った(カバー率98%)。さらに、この蒸着面に下記処方4の水溶液を乾燥固形分で1.0g/m2となるようにナイフコーティング法により付与し、80℃で30秒熱処理して、膜厚1.0μmの保護層を形成した。加えて、フィルムの上記処理面とは反対面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、4.5g/m2となるようにし、接着面積が不織布の全面積あたりの30%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表2に示す。
〔処方3〕
パーマリンUA-99 10重量部
(エーテル系ポリウレタン樹脂 固形分20% 三洋化成工業株式会社製)
水 100重量部
〔処方4〕
ハイドランHW-201 100重量部
(エーテル系ポリウレタン樹脂 固形分35% DIC株式会社製)
コロミンW 1重量部
(ポリオキシエチレンアルキルエーテル 固形分10% 花王株式会社製)
シャインガードF-70 1重量部
(脂肪族アミン誘導体 固形分10% センカ株式会社製)
ドライポン600E 2重量部
(シリコーン活性剤 固形分54% 日華化学株式会社製)
IPA 30重量部
水 100重量部
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560)100質量部に対し、粒子径が5μmの無機フィラー(重質炭酸カルシウム;白石カルシウム株式会社製、BF-200)を50質量部、マスターバッチ化した紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み135μmのフィルム形成した。その後、フィルム形成(長さ)方向に、5倍延伸を行い、27μmの多孔質フィルムを成形した。さらに、実施例10と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に実施例1と同様に不織布の積層処理を行った。評価結果を表2に示す。
樹脂基材のポリエチレン(日本ポリエチレン株式会社製、ノバテックHD、HF560)100質量部に対し、粒子径が10μm、粒子の厚み6.5μm、アスペクト比が1.54のアルミニウムマスターバッチ(東洋アルミニウム株式会社製、NME010T6;70重量%がアルミニウム粒子、残りは低密度ポリエチレン樹脂、及びポリエチレンワックス、少量のコーティング材としてのアクリレート樹脂)を20質量部、紫外線吸収剤(チバ・ジャパン株式会社製、TINUVIN 120)を2質量部、光安定剤(チバ・ジャパン株式会社製、CHIMASSORB 2020 FDL)を2質量部、酸化防止剤(チバ・ジャパン株式会社製、IRGANOX 1098)を2質量部添加し同方向回転二軸押出機で温度210℃により溶解させ混練して均一化した。次いで、Tダイにより厚み135μmのフィルム形成した。その後、フィルム形成(長さ)方向に、5倍延伸を行い、27μmの多孔質フィルムを成形した。さらに、実施例10と同様にフィルムの片面にアルミニウム印刷を、もう一方の面に実施例1と同様に不織布の積層処理を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、このフィルムの片面(表面)に処方1のアルミニウム印刷を固形分で20g/m2となるようにグラビアコーティング法により付与し(直径1.5cm円のドット柄。カバー率8%)、80℃で30秒熱処理した。加えて、上記印刷面の反対面に、実施例1と同様に不織布の積層処理を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、実施例10と同様にフィルムの片面にステンレス印刷処理を行った。加えて、上記印刷面の反対面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、2.5g/m2となるようにし、接着面積が不織布の全面積あたりの8%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表2に示す。
実施例7と同様にフィルムを成形し、さらに、実施例10と同様にフィルムの片面にステンレス印刷処理を行った。加えて、上記印刷面の反対面に、目付け70g/m2のポリエステルスパンボンド不織布(東洋紡株式会社製 3701A、引張強度(伸度)タテ269N/5cm(27%)、ヨコ104N/5cm(33%))をドライラミネート法により接着しハウスラップ材を得た。なお、ポリエチレン透湿防水性フィルムに対する不織布の接着においては、ホットメルト系の食品包装フィルム用ドライラミネート接着剤(旭化学合成株式会社製のアサヒメルトK1217)を230度で溶解し、スプレー法により塗布し、不織布に塗布されたドライラミネート接着剤の量が、その固形分換算で、11g/m2となるようにし、接着面積が不織布の全面積あたりの83%となるようにした。そして一対のローラー間で圧締を行った。評価結果を表2に示す。
Claims (9)
- 金属粒子、及び、金属粒子以外の多孔質化用のフィラーを含み、少なくとも一軸方向に延伸されることで前記多孔質化用のフィラーの箇所に空孔が形成された多孔質フィルムと、この多孔質フィルムの少なくとも片面に、その10%以上の面積を被覆するように設けられた金属印刷層または金属蒸着層と、多孔質フィルムの少なくとも片面に、その10~80%の面積にて接着される補強用の布帛とからなる積層シートであり、透湿抵抗が0.04~0.19m2・s・Pa/μgであって、初期状態にて、JIS L 1092(2009)のA法の静水圧法による防水性が10KPa以上、2000nm~2500nmにおける赤外線反射率が50%以上、かつ赤外線透過率が30%以下であることを特徴とする遮熱性能及び透湿防水性を有する積層シート。
- JIS A 1415(2003)に規定される日射による促進曝露試験を200時間にわたって施し、JIS K 7212(1999)に規定される加熱処理を80℃で28週にわたって施した後であっても、前記防水性が8KPa以上であり、且つ2000nm~2500nmにおける赤外線反射率が初期値の70%以上であることを特徴とする遮熱性能及び透湿防水性を有する請求項1に記載の積層シート。
- 多孔質フィルムに、金属粒子及び塗膜形成性の樹脂を含有する金属インクを、固形分ベースで0.5~50g/m2塗布することで、金属印刷層が設けられており、金属インク中の金属粒子は、粒子径が0.5~50μmであり、アルミニウム、ニッケル、ステンレス、クロム、銀、錫、チタン、鉄、亜鉛、銅、珪素(金属シリコン)、及びマグネシウム、並びにこれらの合金からなる群より選ばれる1種または任意の組み合わせであることを特徴とする請求項1または2に記載の積層シート。
- 70℃×90%RH×72hの高温高湿に放置後、CCM(Computer Color Matching)による可視光反射率が初期値から見て70%以上保持され、2000~2500nmにおける赤外線反射率については初期値から70%以上保持されることを特徴とする請求項1乃至3のいずれかに記載の積層シート。
- 補強用の布帛は、そのタテ及びヨコのいずれの方向においても、引張強度が、50N/5cm以上であり、繊維の繊度が1~1000デシテックスであるポリエステル系、ポリアミド系、ポリオレフィン系繊維から構成され、且つ、面積当たりの質量が20~500g/m2である織物、編物、割布または不織布であることを特徴とする請求項1乃至4のいずれかに記載の積層シート。
- 多孔質フィルム中に含まれる金属粒子は、粒子径が0.1~40μm、アスペクト比(粒子径/粒子の厚み)が1.3以上であり、前記多孔質化用のフィラーは、粒子径が0.1~40μmであり、フィルムの樹脂基材100質量部に対し、前記金属粒子0.10~30質量部、及び、前記多孔質化用のフィラー10~70質量部が含まれることを特徴とする請求項1乃至5のいずれかに記載の積層シート。
- 多孔質フィルムの樹脂基材がオレフィン系樹脂であり、少なくとも一軸方向に1.1~5倍延伸されることで前記多孔質化用のフィラーの箇所に空孔が形成されたものである請求項1乃至6のいずれかに記載の積層シート。
- 請求項1乃至7のいずれか1項に記載の積層シートからなる建築下地用の遮熱シート。
- フィルムの樹脂基材に、金属粒子、及び、金属粒子以外の多孔質化用のフィラーを配合した後、少なくとも一軸方向に延伸されることで前記多孔質化用のフィラーの箇所に空孔が形成された多孔質フィルムを得る工程と、
前記多孔質フィルムの少なくとも片面に、その10%以上の面積を被覆するように金属印刷層または金属蒸着層を設ける工程と、
前記多孔質フィルムの少なくとも片面に、その10~80%の面積にて補強用の布帛を接着する工程と、
を含み、得られる積層シートは、透湿抵抗が0.04~0.19m2・s・Pa/μg、JIS L 1092(2009)のA法の静水圧法による防水性が10KPa以上、2000nm~2500nmにおける赤外線反射率が50%以上、かつ赤外線透過率が30%以下であることを特徴とする遮熱性能及び透湿防水性を有する積層シートの製造方法。
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