Abstract: A resin composition for a sealant has excellent heat-sealing strength with respect to a substrate, and a reduced elution amount thereof into normal heptane. A resin composition for a sealant includes: a resin (A) which is an ethylene-(meth)acrylic acid ester copolymer in which a content of a (meth)acrylic acid ester unit is from 10% by mass to 25% by mass; and a tackifying resin (B), in which a content of the resin (A) is more than 45% by mass with respect to a total amount of resin components in the resin composition for a sealant, and a content of the tackifying resin (B) is from 0.1% by mass to 10% by mass with respect to the total amount of the resin components in the resin composition for a sealant.

Abstract: The present invention is a modified resin for a molded article obtained by modifying an ethylene/unsaturated carboxylic acid copolymer with guanidine carbonate, wherein a melt flow rate of the ethylene/unsaturated carboxylic acid copolymer is 20 (g/10 minutes) or more and 600 (g/10 minutes) or less.

Abstract: Provided is a resin composition used for forming a laminated glass interlayer film or a solar cell encapsulant, the resin composition including an ionomer (A) of an ethylene-unsaturated carboxylic acid-based copolymer, wherein metal ions constituting the ionomer (A) of the ethylene-unsaturated carboxylic acid-based copolymer includes two or more kinds of polyvalent metal ions.

Abstract: The present invention is a modified resin for a molded article obtained by modifying an ionomer of an ethylene/unsaturated carboxylic acid copolymer with at least one guanidine compound selected from guanidine derivatives and salts thereof.

Abstract: A resin pellet of the present invention includes a resin base material and a plurality of microparticles embedded in the resin base material. The resin pellet is covered with the plurality of microparticles on the surface of the resin base material. According to the present invention, it is possible to prevent detachment of the microparticles to be applied on the resin base material and to effectively suppress blocking of resin pellets.

Abstract: Provided is a polymer composition including (A) an ionomer containing an ethylene/?,?-unsaturated carboxylic acid copolymer and an ethylene/?,?-unsaturated carboxylic acid/?,?-unsaturated carboxylic acid ester terpolymer, and (B) a propylene-based polymer, wherein the mass of constituent units derived from the ?,?-unsaturated carboxylic acid ester is from 1 to 4.5% by mass of the entire mass of the ionomer. Through this, a high seal strength may be obtained in a high-temperature range when forming a lock seal, while a high seal strength, as compared with the related art, can be stably obtained over a wide temperature range with a temperature dependence suppressed when forming a peelable seal.

Abstract: The invention is a methacrylic resin composition which includes a methacrylic resin (A) and a saponified polymer (B) that is an alkaline-saponified product of an ethylene-unsaturated carboxylic acid ester copolymer, and the methacrylic resin composition has a concentration of alkali ions of from 0.03 mol/kg to 2.8 mol/kg.

Abstract: A sheet for solar cell encapsulant including (A) an ethylene copolymer selected from 1a to 5a; and (B) an ethylene copolymer selected from 1b to 3b, the copolymer (A) having a melting point of 90° C. or higher and containing constituent unit derived from ethylene [1a: ethylene-vinyl acetate (VA) copolymer, 2a: ethylene-acrylate copolymer, 3a: high-pressure method low-density polyethylene, 4a: ethylene-?-olefin copolymer, 5a: ethylene-G(M)A copolymer other than the below-described 1b, 1b: ethylene-G(M)A copolymer, 2b: ethylene-VA-G(M)A copolymer, 3b: ethylene-acrylate-G(M)A copolymer]. In the ethylene copolymer (B), the total ratio of the constituent unit derived from glycidyl(meth)acrylate (G(M)A) is preferably from 2% to 30% by mass. As a result of this, crosslinking treatment is substantially unnecessary, and practical adhesion and adhesion stability are achieved without heat treatment for crosslinking.

Abstract: The present invention provides a resin composition for extrusion coating, the composition including (1) at least one of a copolymer of ethylene and ?,?-unsaturated carboxylic acid or an ionomer thereof and (2) a homopolypropylene, wherein a content of the component (2) is 3 to 12% by mass based on the total mass of the component (1) and the component (2) and has a melt flow rate (at a load of 2160 g and 190° C., JIS K7210) of 4.0 g/10 min. or more.

Abstract: Provided is a sheet for a solar cell encapsulant containing (A) an ethylene-based polymer having a melting point of 90° C. or higher and containing an ethylene-derived constituent unit as a main component; (B) an ethylene-vinyl acetate copolymer having a vinyl acetate-derived constituent unit at a content ratio of from 19% to 40% by mass; and (C) a silane coupling agent having an amino group. The sheet for solar cell encapsulant has the excellent transparency and flexibility possessed by an ethylene-vinyl acetate copolymer. Furthermore, a crosslinking treatment is substantially unnecessary, and adhesiveness and adhesion stability that are appropriate for practical use are obtained.

Abstract: A resin pellet of the present invention includes a resin base material and a plurality of microparticles embedded in the resin base material. The resin pellet is covered with the plurality of microparticles on the surface of the resin base material. According to the present invention, it is possible to prevent detachment of the microparticles to be applied on the resin base material and to effectively suppress blocking of resin pellets.

Abstract: The present invention provides a resin composition including (1) at least one selected from the group consisting of ethylene-?,?-unsaturated carboxylic acid copolymers and ionomers thereof, which have a melt flow rate of from 0.5 g/10 min to 6 g/10 min, (2) at least one selected from the group consisting of ethylene-?,?-unsaturated carboxylic acid copolymers and ionomers thereof, which have a melt flow rate of from 10 g/10 min to 30 g/10 min, and (3) at least one selected from the group consisting of propylene homopolymers and copolymers obtained by copolymerization using propylene and one or more ?-olefins excluding propylene, in which a structural unit derived from an ?,?-unsaturated carboxylic acid ester is substantially not contained in the total amount of the ethylene-?,?-unsaturated carboxylic acid copolymers and the ionomers thereof.

Abstract: The invention is a methacrylic resin composition which includes a methacrylic resin (A) and a saponified polymer (B) that is an alkaline-saponified product of an ethylene-unsaturated carboxylic acid ester copolymer, and the methacrylic resin composition has a concentration of alkali ions of from 0.03 mol/kg to 2.8 mol/kg.

Abstract: The present invention provides a resin composition for extrusion coating, the composition including (1) at least one of a copolymer of ethylene and ?,?-unsaturated carboxylic acid or an ionomer thereof and (2) a homopolypropylene, wherein a content of the component (2) is 3 to 12% by mass based on the total mass of the component (1) and the component (2) and has a melt flow rate (at a load of 2160 g and 190° C., JIS K7210) of 4.0 g/10 min, or more.

Abstract: An adhesive film or sheet of the present invention includes an adhesive layer containing an ethylene-alkyl (meth)acrylate copolymer (A). The ethylene-alkyl (meth)acrylate copolymer (A) is a random binary copolymer of ethylene and alkyl(meth)acrylate, carbon atoms of an alkyl group of the alkyl(meth)acrylate are 2 or more, and a melting point T[° C.] measured based on JIS K7121-1987 and unit content X [mol %] of the alkyl (meth)acrylate satisfy the following Expression (1). ?3.0X+125?T??3.0X+107??(1) (Herein, the adhesive layer does not contain a high-crystalline ethylene-based or propylene-based copolymer having a melting temperature of equal to or higher than 115° C.

Abstract: A resin container (100) includes: a hollow molded body (10) which has a mouth-neck portion (20) and a tubular main body portion (12) with a bottom and is made of a first resin material such as polyolefin; and a resin sheathing body (30) which is made of a second resin material such as polyester and in which the main body portion (12) is buried in an unfixed manner. A frost-treated portion (122) subjected to a frost treatment is formed on at least a part of the main body portion (12).

Abstract: A solar cell encapsulated with an encapsulating material which is a non-crystalline or low-crystalline ?-olefin-based copolymer or its composition (I). The composition (C) can contain 50 to 100 parts by weight of non-crystalline ?-olefin polymer (A) which meets the following requirements: (a) the ?-olefin having 3 to 20 carbon atoms is not less than 20 mol %, (b) practically no melt peak as measured by a differential scanning calorimeter is observed, and (c) the Mw/Mn is not more than 5, and 50 to 0 parts by weight of crystalline ?-olefin polymer (B) (the total of (A) and (B) being 100 parts by weight). The non-crystalline or low-crystalline ?-olefin copolymer may also have a crystallinity of not higher than 40% as measured by use of X rays.

Abstract: A resin molding apparatus of a simplified structure is provided that offers high handling efficiency by a work robot, thereby improving a throughput. The resin molding apparatus (200) that retains a hollow molded body (10) including a closed-bottom cylindrical main body (12) and a cylindrical open neck portion (20), the open neck portion (20) including a helical ridge portion (22) formed on an outer circumferential surface thereof and divided into a plurality of helical segments by a slit (24) extending in an axial direction of the open neck portion (20), and that overmolds a resin sheathing body (30) on an outer surface of the main body (12), includes a first recess in which the open neck portion (20) is to be fitted, and a rib (216) formed on a circumferential surface of the recess so as to extend in a depthwise direction thereof, and to be engaged with the slit (24).

Abstract: A synthetic resin hollow body (A) that has a satisfactory decorating property and a satisfactory recycle property in a disposal and that is hardly damaged. In addition, a product cost and an operation cost thereof can be suppressed. The synthetic resin hollow body (A) includes: a hollow molding body (a) made of a resin, the hollow molding body (a) capable of holding a liquid material; and a resin sheathing body formed outside the hollow molding body (a) in an integrating manner with the hollow molding body (a), wherein the resin sheathing body is made of a highly transparent synthetic resin having a total ray transmittance of at least 80%.

Abstract: An ethylene copolymer composition which includes a zinc ionomer containing, as a main component, a copolymer having a constituent unit derived from ethylene and a constituent unit derived from (meth)acrylic acid, and a dialkoxysilane having an amino group, is provided. This makes it possible to increase the stability during sheet production. It is preferable that the content ratio of the dialkoxysilane is 15 parts by mass or less based on 100 parts by mass of the zinc ionomer.