摘要:
To provide a laminate having characteristics of a fluorinated polymer film such as weather resistance and stain resistance, and having an increased solar reflectance by a light reflection layer, wherein the solar reflectance is less likely to decrease over a long period of time, and the light reflection layer is less likely to delaminate; and a production process thereof.A laminate 1 comprising a substrate 10 containing a first fluorinated polymer, a light reflection layer 12 made of a non-curable resin composition containing a second fluorinated polymer and an aluminum pigment, and a protective layer 14 obtained by curing a curable resin composition containing a third fluorinated polymer having a crosslinkable group and a curing agent for curing the third fluorinated polymer, wherein the light reflection layer 12 is disposed between the substrate 10 and the protective layer 14, the light reflection layer 12 has a thickness of from 0.5 to 5 μm, and the protective layer 14 has a thickness of from 0.3 to 2 μm.
摘要:
To provide an ethylene/tetrafluoroethylene copolymer sheet excellent in the mechanical strength and the outer appearance, continuously produced by extrusion, and a process for producing it.An ethylene/tetrafluoroethylene copolymer sheet obtained by extrusion, which is characterized by having R0/d (wherein R0 is an in-plane phase difference [unit: nm], and d is a thickness [unit: nm]) of at most 3.0×10−3, and a thickness of more than 300 μm, and a process for producing it.
摘要:
There is provided a film usable as a lightweight sound absorbing film having an excellent sound absorbing property, and a sound absorbing structure with such a film.A film 1 including a plurality of fine through holes 2 formed therein, the film having an average thickness t (μm) in portions of the film having no through holes 2 formed therein, the through holes having an average depth T (μm) including a burr on a circumferential edge thereof, the through holes 2 having an average hole diameter d (μm), and the film 1 having an open area rate y (%) per unit area; the film satisfying all of the following formulas: 90≦t≦300, 1.02
摘要:
To provide an adhesive composition capable of forming an adhesive layer that can maintain a high adhesive force and an excellent ultraviolet absorbing function over a long period of time, a laminate having an adhesive layer formed of the adhesive composition, and a solar cell module having such a laminate. An adhesive composition comprising a polyurethane resin made from a polycarbonate polyol, a curing agent, a triazine-type ultraviolet absorber and a light stabilizer. Further, a laminate 10 having a first substrate 11, an adhesive layer 12 formed of the adhesive composition and a second substrate 13 laminated in this order. A solar cell module having the laminate 10 as at least one of a front surface material or a rear surface material.
摘要:
To provide a resin film having excellent ultraviolet shielding properties, further having excellent weather resistance, being hardly changeable in optical properties and mechanical properties over a long period of time, and being capable of being formed into a thin film of at most 20 μm; a backsheet provided with the resin film; and a solar cell module provided with the backsheet.A resin film comprising a resin (A) containing a fluororesin; and, contained in the resin (A), composite particles (B) each having a cover layer containing aluminum oxide on the surface of a titanium oxide particle, and composite particles (C) each having a cover layer containing silicon oxide on the surface of a zinc oxide particle, wherein in (A), the proportion of the fluororesin is at least 50 mass %, in (B), the proportion of aluminum oxide is from 0.6 to 2.5 mass %, and the proportion of titanium oxide is at least 95 mass %, the content of (B) is from 2 to 15 mass % to (A), in (C), the mass ratio of zinc oxide to silicon oxide is from 50/50 to 85/15, and the total amount thereof is at least 80 mass %, and the content of (C) to the fluororesin is from 0.05 to 0.5 mass %.
摘要:
To provide a resin film having excellent ultraviolet shielding properties, having an excellent outer appearance, further heaving excellent weather resistance, being hardly changeable in optical properties and mechanical properties over a long period of time, and being capable of being formed into a thin film of at most 20 μm, a backsheet provided with the resin film, and a solar cell module provided with the backsheet.A resin film comprising a resin composition containing a fluororesin (A), particles (B) containing titanium oxide as the main component, a phosphorus compound (C) and a silicone oil (D), wherein the phosphorus compound (C) is at least one member selected from the group consisting of a phosphonite compound (C1), a phosphonate compound (C2) and a phosphate compound (C3) respectively represented by specific formulae and having specific molecular weights, the content of the phosphorus compound (C) is from 0.20 to 2.0 parts by mass per 100 parts by mass of the particles (B), and the content of the silicone oil (D) is from 0.2 to 2.5 parts by mass per 100 parts by mass of the particles (B).