Abstract: A backside protective sheet for solar cell modules includes a first layer configured to reflect near-infrared light, a first colored layer arranged closer to a light-receiving surface than the first layer and configured to transmit near-infrared light, and a second colored layer arranged closer to the light-receiving surface than the first colored layer and configured to transmit near-infrared light.

Abstract: Provided are: a sealing material sheet for solar cell modules, and a sealing material-integrated rear-surface protecting sheet. A sealing material sheet 1 for solar cell modules, which has a thickness of from 200 ?m to 400 ?m (inclusive) and comprises a core layer 11 and a skin layer 12, and wherein: the core layer 11 contains from 5% by mass to 40% by mass (inclusive) of a polypropylene and from 60% by mass to 95% by mass (inclusive) of a low-density polyethylene having a density of from 0.910 g/cm3 to 0.940 g/cm3 (inclusive) in terms of content ratios to all the resin components; and the skin layer 12 contains from 80% by mass to 100% by mass (inclusive) of a low-density polyethylene having a density of 0.880 g/cm3 or more but less than 0.910 g/cm3 in terms of a content ratio to all the resin components, without containing a polypropylene.

Abstract: Provided is a sealing material sheet for solar cell modules, which is obtained by irradiating a polyethylene resin with ionizing radiation and has high transparency, heat resistance and adhesion at the same time. This sealing material sheet for solar cell modules contains a low density polyethylene having a density of 0.900 g/cm3 or less, while having a gel fraction of from 0% to 40% (inclusive) and a degree of dispersity (Mw/Mn), which is the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn) in terms of polystyrene, of from 2.5 to 3.5 (inclusive).

Abstract: The present invention provides a crosslinked polyethylene sealing material sheet for a solar-cell module offering exceptional heat resistance, wherein the sealing material sheet is provided with high metal-adhesion performance. A sealing material sheet for a solar-cell module comprises a sealing material sheet composition for a solar-cell module containing a polyethylene resin in a concentration of 0.900 g/cm3 or less, glycidyl methacrylate (GMA), a radical polymerization initiator, and triallyl isocyanurate (TAIC), wherein the GMA content of the sealing material sheet is 0.15 to 3.0% by mass, the TAIC content of the sealing material sheet is 0.15 to 3.0% by mass, and the radical polymerization initiator content of the sealer is 0.01 to 2.5% by mass.

Abstract: The present invention provides a crosslinked polyethylene sealing material sheet for a solar-cell module offering exceptional heat resistance, wherein the sealing material sheet is provided with high metal-adhesion performance. A sealing material sheet for a solar-cell module comprises a sealing material sheet composition for a solar-cell module containing a polyethylene resin in a concentration of 0.900 g/cm3 or less, glycidyl methacrylate (GMA), a radical polymerization initiator, and triallyl isocyanurate (TAIC), wherein the GMA content of the sealing material sheet is 0.15 to 3.0% by mass, the TAIC content of the sealing material sheet is 0.15 to 3.0% by mass, and the radical polymerization initiator content of the sealer is 0.01 to 2.5% by mass.

Abstract: Provided is a sealing material sheet for solar cell modules, which is obtained by irradiating a polyethylene resin with ionizing radiation and has high transparency, heat resistance and adhesion at the same time. This sealing material sheet for solar cell modules contains a low density polyethylene having a density of 0.900 g/cm3 or less, while having a gel fraction of from 0% to 40% (inclusive) and a degree of dispersity (Mw/Mn), which is the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn) in terms of polystyrene, of from 2.5 to 3.5 (inclusive).