Abstract: To provide a hose having excellent durability, such as heat resistance and oxidation resistance, a polyamide resin composition includes: a polyamide(A), a polyolefin elastomer (B), a phenolic antioxidant (C), a sulfur-based antioxidant (D), and a metal deactivator having a hindered phenol structure (E). The phenolic antioxidant (C) is a different substance from the hindered phenolic metal deactivator (E). Based on 100 parts by weight of the polyamide (A) and the polyolefin elastomer (B) in total, the content of the phenolic antioxidant (C) is 0.2 parts by weight or more, the sulfur antioxidant (D) is 0.2 parts by weight or more, and the metal deactivator (E) is 0.01 parts by weight to 1.5 parts by weight. A barrier layer 2 of a hose 1 produced using a polyamide resin composition having such a composition not only has high durability, such as heat resistance and oxidation resistance, but also has high gas barrier properties.

Abstract: A refrigerant transport hose excellent in both durability and barrier properties is provided. The refrigerant transport hose 10 has a barrier layer formed from a resin composition containing a polymer component as an innermost layer. The polymer component contains a polyamide resin (A) and a polyolefin-based elastomer (B). The innermost layer is to be in direct contact with a refrigerant and an oil flowing in the refrigerant transport hose. The polymer component further contains a block copolymer (C) having a structure in which a polyamide block is grafted to a polyolefin skeleton. The content of the block copolymer (C) is 5 to 45 parts by mass with respect to 100 parts by mass of the polymer component. The total content of the polyolefin-based elastomer (B) and the block copolymer (C) is less than 70 parts by mass with respect to 100 parts by mass of the polymer component. The block copolymer (C) has bimodal melting peaks in differential scanning calorimetry (DSC).

Abstract: The present invention provides a composition for a solar cell sealing film prepared by mixing an ethylene-?-olefin copolymer a metallocene catalyst (m-LLDPE) and another polymer as resin components, wherein the composition has the same processability as a composition containing m-LLDPE alone as a resin component and provides a solar cell sealing film having the same transparency as the composition containing m-LLDPE alone as resin component. A composition for a solar cell sealing film comprising m-LLDPE and low-density polyethylene (LDPE), wherein the weight average molecular weight of m-LLDPE (Mw(m-LLDPE)) is 200,000 or less, the weight average molecular weight of LDPE (Mw(LDPE)) is 250,000 or less, and the mass ratio of m-LLDPE to LDPE (m-LLDPE:LDPE) is in a range of 80:20 to 30:70, and a solar cell sealing film prepared using the same.

Abstract: Provided is a wavelength conversion material composed of resin particles comprising an acrylic resin and an organic rare earth complex contained in the acrylic resin, in which the acrylic resin is obtained from an acrylic resin composition comprising a cross-linking agent, and deterioration of the organic rare earth complex is prevented. A wavelength conversion material composed of resin particles comprising an acrylic resin and an organic rare earth complex contained in the acrylic resin, wherein the acrylic resin is a polymer which is a reaction product of an acrylic resin composition comprising a (meth)acrylate monomer, a crosslinking agent and an azo polymerization initiator, wherein the crosslinking agent is a compound represented by the following formula (I): where R1 and R2 each independently represent a hydrogen atom or a methyl group and n represents an integer of 2 to 14, and the content of the cross-linking agent is: 0.

Abstract: Provided is a wavelength conversion material composed of resin particles comprising an acrylic resin and an organic rare earth complex contained in the acrylic resin, in which deterioration of the organic rare earth complex is prevented. A wavelength conversion material composed of resin particles comprising an acrylic resin and an organic rare earth complex contained in the acrylic resin, wherein the acrylic resin is a polymer which is a reaction product of an acrylic resin composition comprising a (meth)acrylate monomer, a crosslinking agent and an azo polymerization initiator, wherein the acrylic resin composition is substantially free of an organic peroxide having a group represented by R—C(?O)O— where R represents a hydrocarbon group that may be optionally substituted, as a polymerization initiator, and the acrylic resin composition comprises an organic peroxide having a one-minute half-life temperature of 145° C. or less as another polymerization initiator.

Abstract: There are provided: a solar cell-sealing film containing an ethylene-?-olefin copolymer polymerized using a metallocene catalyst, an organic peroxide and a silane coupling agent, wherein a decrease in the adhesive force of the sealing film during the storage time before its usage is suppressed; and a solar cell using the same. There are provided: a solar cell-sealing film formed of a composition containing an ethylene-?-olefin copolymer polymerized using a metallocene catalyst, an organic peroxide and a silane coupling agent, wherein the composition further contains 0.01 to 0.1 parts by mass of magnesium hydroxide or magnesium oxide with respect to 100 parts by mass of the ethylene-?-olefin copolymer, and the magnesium hydroxide or the magnesium oxide has a BET specific surface area of 30 m2/g or larger; and a solar cell using the same.

Abstract: The object of the present invention is to provide a solar cell sealing film obtained from a composition comprising chiefly ethylene-vinyl acetate copolymer and organic peroxides for giving crosslinked structure, which suppresses the occurrence of blisters without reduction of crosslink rate, even if the film contains silane-coupling agents for improving adhesive strength. The solar cell sealing film comprises ethylene-vinyl acetate copolymer, an organic peroxide, a silane-coupling agent, and a phosphite compound represented by formula (I): P(OR1)3??(I) wherein, R1 is a branched-chain aliphatic alkyl group having 8 to 14 carbon atoms, and three R1s are the same as or different from each other and further wherein the content of the vinyl acetate recurring unit of the ethylene-vinyl acetate copolymer is in the range of 20 to 35% by weight.

Abstract: The present invention provides a composition for a solar cell sealing film prepared by mixing an ethylene-?-olefin copolymer (m-LLDPE) polymerized using a metallocene catalyst and other polymers as resin components, wherein the composition has the same processability as a composition containing m-LLDPE alone and provides a solar cell sealing film having the same transparency as the case where m-LLDPE is used alone. A composition for a solar cell sealing film comprising m-LLDPE and low-density polyethylene (LDPE), wherein the weight average molecular weight of m-LLDPE (Mw(m-LLDPE)) is 200,000 or less, the weight average molecular weight of LDPE (Mw(LDPE)) is 250,000 or less, and the mass ratio of m-LLDPE to LDPE (m-LLDPE:LDPE) is in a range of 80:20 to 30:70, and a solar cell sealing film prepared using the same.

Abstract: The present invention provides a solar cell sealing film whereby generation of gas is decreased. The solar cell sealing film comprises a resin mixture of an ethylene-vinyl acetate copolymer and a polyethylene, and an organic peroxide. The mass ratio (EVA:PE) of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) is 8:2 to 3:7, the content of the organic peroxide is 0.1 to 1.0 parts by mass based on 100 parts by mass of the resin mixture, and the gel rate after crosslinking is 20 to 80% by mass.

Abstract: The present invention provides a solar cell sealing film in which the shrinkage is prevented when heated. The solar cell sealing film 13A, 13B comprises a resin mixture of an ethylene-vinyl acetate copolymer and polyethylene, and an organic peroxide. The mass ratio (EVA:PE) of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) is 8:2 to 3:7 and the melting point of the resin mixture (temperature at a viscosity of 30,000 Pa·s) is 80 to 105° C.

Abstract: Method for manufacturing a solar cell module in which a light-receiving side sealing film 13A and a backside sealing film 13B are each formed of a different resin composition from each other selected from a resin composition A and a resin composition B, both of the sealing films are heated when the pressurizing is initiated so as to reach to a minimum temperature X° C. and a maximum temperature Y° C., the resin composition A has a viscosity of 5.0×104 Pa·s or less at the temperature X° C., and the resin composition B has a viscosity of 7.0×104 Pa·s or less at the temperature X° C. and has a viscosity of 2.0×104 Pa·s or more at the temperature Y° C.

Abstract: To provide a sealing film for a solar cell, which can be effectively formed and is capable of preventing wraparound even if heating is performed in a wide temperature range when members of the solar cell module are integrated. A pair of sealing films 13A and 13B for a solar cell including a light-receiving side sealing film 13A formed from a resin composition A; and a colored backside sealing film 13B formed from a resin composition B, wherein a temperature at which the resin composition B has a viscosity of 50,000 Pa·s is 95° C. or lower, and the resin composition B has a viscosity higher than that of the resin composition A at 80° C. and 100° C.

Abstract: A solar cell sealing film comprising a resin material comprising an olefin (co)polymer, and a wavelength conversion material, wherein the wavelength conversion material is a europium complex represented by the following formula (I): where each R independently represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms that may optionally be substituted; and n represents an integer of 1 to 4; and a solar cell module prepared by using the sealing film.

Abstract: There is provided a cured sheet and a laminate having the same, wherein the cured sheet is prepared by curing a laminate forming sheet containing an ethylene-vinyl acetate copolymer and a polyethylene, excellent in adhesion durability and has a sufficient flexibility even in the case of a high content of the polyethylene. A cured sheet constituting a laminate and a laminate having the same, wherein the cured sheet is prepared by curing through cross-linking a laminate forming sheet comprising a composition containing an ethylene-vinyl acetate copolymer, a polyethylene and an organic peroxide; a weight ratio of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) (EVA:PE) is in a range of 3:7 to 8:2; and the cured sheet has a sea-island structure wherein the ethylene-vinyl acetate copolymer constitutes a sea phase and the polyethylene constitutes an island phase.

Abstract: The solar cell sealing film according to the present invention includes ethylene-methyl methacrylate copolymer, a crosslinker and a silane coupling agent, wherein the crosslinker is contained in an amount of 0.05 to 0.7 part by weight, based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and the silane coupling agent is contained in an amount of 0.1 to 0.7 part by weight based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and wherein the ethylene-methyl methacrylate copolymer has a methyl methacrylate content of 25 to 35% by weight.

Abstract: A sealing film having excellent adhesive characteristics for a solar cell is provided, which contains an inorganic filler in the sealing film. The sealing film for a solar cell contains ethylene-polar monomer copolymer, a crosslinking agent, and an inorganic filler. The sealing film is characterized by further containing a phosphite compound represented by formula (I): P(OR1)3 (I) (wherein R1 is a hydrocarbon group having 1 to 20 carbon atoms).

Abstract: The object of the present invention to provide a solar cell sealing film, which has superior durability that maintains adhesive performance for a long duration under the circumstances of a high temperature and high humidity, exerts high crosslink rate at production of the solar cells, and suppresses occurrence of blister, and a solar cell using the sealing film. The solar cell sealing film includes: ethylene-polar monomer copolymer, an organic peroxide, and a silane-coupling agent, wherein the silane-coupling agent is represented by formula (I): in which R1 represents alkyl group having 1 to 3 carbon atoms, three R1s are the same as or different from each other, and “n” is an integer of 1 to 8; and the silane-coupling agent is contained in the range of 0.02 to 1.0 parts by weight based on 100 parts by weight of the ethylene-polar monomer copolymer.

Abstract: A solar cell sealing film contains an ethylene-unsaturated ester copolymer, a crosslinker, and crosslinking auxiliary agents, wherein the solar cell sealing film contains a polyfunctional (meth)acrylate having 5 or more (meth)acryloyl groups in the molecule and triallyl isocyanurate as the crosslinking auxiliary agents, and a mass ratio of the polyfunctional (meth)acrylate to the triallyl isocyanurate is 0.06 to 0.3 parts of polyfunctional (meth)acrylate per 1 part of triallyl isocyanurate.

Abstract: To provide a composition for producing a sheet for forming a laminate, which contains an ethylene-vinyl acetate copolymer and a polyethylene resin, by which the above-described problems in the width of the temperature range in which a processable viscosity range is obtained and the like are improved and which excels in processing properties such as a film-forming property when producing a sheet, and a sheet for forming a laminate using this. A composition for producing a sheet for forming a laminate, which contains an ethylene-vinyl acetate copolymer and polyethylene, wherein the composition has a sea-island structure in which the ethylene-vinyl acetate copolymer is a sea phase and the polyethylene is an island phase, and a sheet for forming a laminate using this.

Abstract: The present invention provides a solar cell sealing film in which the shrinkage is prevented when heated. The solar cell sealing film 13A, 13B comprises a resin mixture of an ethylene-vinyl acetate copolymer and polyethylene, and an organic peroxide. The mass ratio (EVA:PE) of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) is 8:2 to 3:7 and the melting point of the resin mixture (temperature at a viscosity of 30,000 Pa·s) is 80 to 105° C.