Abstract: The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.

Abstract: A resin composition may include: an ethylene-vinyl acetate copolymer (A); and a propylene-based resin (B). The melt flow rate (MFR: 190° C., 2.16 kg) MFR (A) of the ethylene-vinyl acetate copolymer (A) and the melt flow rate (MFR: 190° C., 2.16 kg) MFR (B) of the propylene-based resin (B) may satisfy relational expression (i) 4 g/10 min?MFR(A)?MFR(B)?35 g/10 min??(i). The resin composition may have an endothermic peak at 120 to 170° C. in differential scanning calorimetry and a heat of fusion in a range of from 15 to 40 mJ/mg at 120 to 170° C.

Abstract: An object of the present invention is to provide a thermoplastic elastomer composition capable of molding a medical tube excellent in the transparency and kink resistance. The present invention is related to a thermoplastic elastomer composition including a hydrogenated block copolymer (A) wherein the copolymer has at least two polymer blocks P composed mainly of an aromatic vinyl compound unit and at least one polymer block Q composed mainly of a conjugated diene compound unit; the total content of aromatic vinyl compound units is from 8 to 25% by mass; and the copolymer contains a high-MFR hydrogenated block copolymer and a propylene polymer (B).

Abstract: A multilayer body includes a base material layer containing a polypropylene resin and a heat seal layer containing a cyclic polyolefin. The cyclic polyolefin is a hydrogenated block copolymer having a hydrogenated aromatic vinyl polymer block unit which is a hydrogenated polymer block composed of aromatic vinyl monomer units and a hydrogenated conjugated diene polymer block unit which is a hydrogenated polymer block composed of conjugated diene monomer units, and the hydrogenated block copolymer has at least two hydrogenated aromatic vinyl polymer block units and at least one hydrogenated conjugated diene polymer block unit.

Abstract: The elastomer composition of the present invention comprises a thermoplastic elastomer composition which contains 20 to 80% by weight of component (A), 1 to 25% by weight of component (B), and 1 to 70% by weight of component (C): Component (A): at least one block copolymer selected from: a block copolymer having a polymer block derived from a vinyl aromatic compound and a polymer block derived from at least one selected from a conjugated diene and isobutylene; and a block copolymer obtained by hydrogenating the block copolymer; Component (B): a polypropylene resin containing component (B1): a modified polypropylene obtained by graft-modifying a polypropylene resin with a diene compound; and Component (C): a softener for hydrocarbon rubbers.

Abstract: Provided is a modified elastomer composition containing components (A) to (D) and grafted with component (E). The content of component (A) is preferably 5 to 70 parts by mass based on 100 parts by mass of the total of component (A) and component (B), and the content of component (B) is preferably 95 to 30 parts by mass based on 100 parts by mass of the total of component (A) and component (B). The content of component (C) is preferably 1 to 200 parts by mass based on 100 parts by mass of the total of component (A) and component (B), and the content of component (D) is preferably 0.01 to 3 parts by mass based on 100 parts by mass of the total of component (A) and component (B).

Abstract: An all thermoplastic olefin (TPO) airbag system for an automotive vehicle including a TPO airbag module housing coupled with a TPO airbag cover or chute, the system being particularly suitable as a front airbag system, and method of making the same. The airbag module housing may couple with the chute through a plurality of projections and windows, or through bolts.

Abstract: The present invention relates to a flexible molded skin as part of a composite structure for an airbag cover, and to a composition for producing such a skin using slush molding. The composition and flexible molded skin have a thermoplastic plasticized vinyl polymer, and a tear promoting agent selected from the group of one or more particulate blowing agents, inorganic mineral materials, organic filler materials and microspheres or a mixture of two or more of the afore mentioned materials. The particles of the particulate tear promoting agent have an average particle size of between 0.005 and 50 ?m, preferably between 0.005 and 40 ?m.

Abstract: The present invention relates to a flexible molded skin as part of a composite structure for an airbag cover, and to a composition for producing such a skin using slush molding. The composition and flexible molded skin have a thermoplastic plasticized vinyl polymer, and a tear promoting agent selected from the group of one or more particulate blowing agents, inorganic mineral materials, organic filler materials and microspheres or a mixture of two or more of the afore mentioned materials. The particles of the particulate tear promoting agent have an average particle size of between 0.005 and 50 ?m, preferably between 0.005 and 40 ?m.

Abstract: The present invention relates to a flexible molded skin as part of a composite structure for an airbag cover, and to a composition for producing such a skin using slush molding. The composition and flexible molded skin have a thermoplastic plasticized vinyl polymer, and a tear promoting agent selected from the group of one or more particulate blowing agents, inorganic mineral materials, organic filler materials and microspheres or a mixture of two or more of the afore mentioned materials. The particles of the particulate tear promoting agent have an average particle size of between 0.005 and 50 ?m, preferably between 0.005 and 40 ?m.

Abstract: The present invention relates to a thermoplastic elastomer for carbon fiber reinforced plastic bonding lamination, which is contained in a layer to be laminated on a layer composed of a carbon-fiber reinforced plastic, wherein the thermoplastic elastomer for carbon fiber reinforced plastic bonding lamination contains a styrene-based thermoplastic elastomer and a polymer modified by an ?,?-unsaturated carboxylic acid, the styrene-based thermoplastic elastomer contains components (a) to (d), and a concentration of an ?,?-unsaturated carboxylic acid derived from the polymer modified by the ?,?-unsaturated carboxylic acid is 0.01 to 10% by mass.

Abstract: The present invention provides a filament for three-dimensional printer molding which includes a resin that can be molded by a three-dimensional printer in a wide temperature range and from which a crystalline soft resin molded article excellent in terms of flexible texture etc. can be produced; and a method for producing a crystalline soft resin molded article, wherein the filament for three-dimensional printer molding includes a polyester-based thermoplastic elastomer wherein a durometer D hardness (JIS K6253-1993) is 40 or less and thermal properties measured with a differential scanning calorimeter satisfy the following conditions: a melting peak temperature (A) is 120 to 220° C. by heating at 10° C./min; a crystallization peak temperature (B) is 60 to 160° C. by cooling at 10° C./min; and the crystallization peak observed during cooling at 10° C./min has a half-value temperature width of 10 to 30° C.

Abstract: A subject matter of the invention is a pre-expansion thermoplastic elastomeric composition comprising at least 10% by weight of one or more elastomers and heat-expandable polymeric particles encapsulating a heat-expandable fluid. Another subject matter of the invention is a process for the preparation of an expanded thermoplastic elastomeric composition comprising the following stages: injection into a mold or addition to an extruder die of the pre-expansion elastomeric composition according to the invention, then heating the pre-expansion elastomeric composition at a temperature greater than the temperature for expansion of the heat-expandable polymeric particles, preferably of greater than 160° C. A subject matter of the invention is also an expanded thermoplastic elastomeric composition capable of being obtained by the process. Finally, a subject matter of the invention is a sealing lip used in the fields of the transportation industry and in the construction industry.

Abstract: An object of the present invention is to provide a thermoplastic elastomer composition capable of molding a medical tube excellent in the transparency and kink resistance. The present invention is related to a thermoplastic elastomer composition including a hydrogenated block copolymer (A) wherein the copolymer has at least two polymer blocks P composed mainly of an aromatic vinyl compound unit and at least one polymer block Q composed mainly of a conjugated diene compound unit; the total content of aromatic vinyl compound units is from 8 to 25% by mass; and the copolymer contains a high-MFR hydrogenated block copolymer and a propylene polymer (B).

Abstract: The elastomer composition of the present invention comprises a thermoplastic elastomer composition which contains 20 to 80% by weight of component (A), 1 to 25% by weight of component (B), and 1 to 70% by weight of component (C): Component (A): at least one block copolymer selected from: a block copolymer having a polymer block derived from a vinyl aromatic compound and a polymer block derived from at least one selected from a conjugated diene and isobutylene; and a block copolymer obtained by hydrogenating the block copolymer; Component (B): a polypropylene resin containing component (B1): a modified polypropylene obtained by graft-modifying a polypropylene resin with a diene compound; and Component (C): a softener for hydrocarbon rubbers.

Abstract: An assembly of the present invention for a syringe is composed of a barrel, made of cyclic polyolefin, which has a barrel body having a distal end part and a piercing needle which has a piercing needle tip at its distal end and is fixed to a piercing needle fixing portion of the barrel and a seal cap mounted on the barrel. The seal cap is formed of a thermoplastic elastomer composition containing as its main component a mixture of a styrene-based thermoplastic elastomer and a softener, for hydrocarbon-based rubber, which has a kinematic viscosity of 1 to 5,000 mm2s?1 at 100 degrees C. and a naphthenic carbon ratio (% CN) of not more than 20% when said naphthenic carbon ratio is measured by ring analysis.

Abstract: An assembly of the present invention for a syringe is composed of a barrel, made of cyclic polyolefin, which has a barrel body having a distal end part and a piercing needle which has a piercing needle tip at its distal end and is fixed to a piercing needle fixing portion of the barrel and a seal cap mounted on the barrel. The seal cap is formed of a thermoplastic elastomer composition containing as its main component a mixture of a styrene-based thermoplastic elastomer and a softener, for hydrocarbon-based rubber, which has a kinematic viscosity of 1 to 5,000 mm2s?1 at 100 degrees C. and a naphthenic carbon ratio (% CN) of not more than 20% when said naphthenic carbon ratio is measured by ring analysis.

Abstract: The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.

Abstract: The present invention provides a filament for three-dimensional printer molding which includes a resin that can be molded by a three-dimensional printer in a wide temperature range and from which a crystalline soft resin molded article excellent in terms of flexible texture etc. can be produced; and a method for producing a crystalline soft resin molded article, wherein the filament for three-dimensional printer molding includes a polyester-based thermoplastic elastomer wherein a durometer D hardness (JIS K6253-1993) is 40 or less and thermal properties measured with a differential scanning calorimeter satisfy the following conditions: a melting peak temperature (A) is 120 to 220° C. by heating at 10° C./min; a crystallization peak temperature (B) is 60 to 160° C. by cooling at 10° C./min; and the crystallization peak observed during cooling at 10° C./min has a half-value temperature width of 10 to 30° C.