Abstract: There are provided a fiber reinforced thermoplastic resin molded article including a thermoplastic resin [A], carbon fibers [B] and a polyrotaxane [C], the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C] being included in amounts of 40 to 98 parts by weight, 1 to 40 parts by weight and 1 to 20 parts by weight, respectively, based on 100 parts by weight of the total content of the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C], wherein the carbon fibers [B] included in the molded article have a weight-average fiber length [Lw] in a range of 0.5 to 20 mm, and a ratio ([C]/[B]) of the content of the polyrotaxane [C] to that of the carbon fibers [B] is 0.04 or more and 0.5 or less; and a thermoplastic resin molded article which has excellent impact strength and also has excellent conductivity.

Abstract: The present invention provides an apparatus having a protecting element for protecting the apparatus in an emergency, wherein the protecting element is a polymer PTC element, the polymer PTC element has a polymer PTC member, and the polymer PTC member is formed from a polymer composition containing a polyvinylidene fluoride as a main component.

Abstract: There is provided a cured product of an epoxy resin composition, in which the compounding composition and the phase-separated structure of the epoxy resin composition are controlled so that the balance between rigidity and toughness of the cured product is superior compared with those of cured products of conventional epoxy resin compositions. A cured product of an epoxy resin composition, which has both superior rigidity and superior toughness compared with conventional materials can be produced by curing an epoxy resin composition comprising an epoxy resin, a polyrotaxane having graft-chain-modified cyclic molecules and a curing agent for the epoxy resin.

Abstract: There are provided a fiber reinforced thermoplastic resin molded article including a thermoplastic resin [A], carbon fibers [B] and a polyrotaxane [C], the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C] being included in amounts of 40 to 98 parts by weight, 1 to 40 parts by weight and 1 to 20 parts by weight, respectively, based on 100 parts by weight of the total content of the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C], wherein the carbon fibers [B] included in the molded article have a weight-average fiber length [Lw] in a range of 0.5 to 20 mm, and a ratio ([C]/[B]) of the content of the polyrotaxane [C] to that of the carbon fibers [B] is 0.04 or more and 0.5 or less; and a thermoplastic resin molded article which has excellent impact strength and also has excellent conductivity.

Abstract: Disclosed is a resin composition including a thermoplastic resin (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain having a reactive functional group at the end, which are mixed together, the resin composition containing a fibrous filler (C) in the amount of 1 to 200 parts by weight relative to 100 parts by weight of the total amount of the thermoplastic resin (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: The present invention provides an apparatus having a protecting element for protecting the apparatus in an emergency, wherein the protecting element is a polymer PTC element, the polymer PTC element has a polymer PTC member, and the polymer PTC member is formed from a polymer composition containing a polyvinylidene fluoride as a main component.

Abstract: The present invention aims to provide an inorganic substance-laminated sheet that can be used suitably for applications that require high gas barrier properties. The inorganic substance-laminated sheet includes a sheet having a dispersed structure with a structural period of 0.001 ?m to 100 ?m on at least one surface and an inorganic substance layer covering the surface having the dispersed structure.

Abstract: Disclosed is a resin composition including a thermoplastic resin (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain having a reactive functional group at the end, which are mixed together, the resin composition containing a fibrous filler (C) in the amount of 1 to 200 parts by weight relative to 100 parts by weight of the total amount of the thermoplastic resin (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: Disclosed is a resin composition including at least a polyamide (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain, which are mixed together, wherein 80 parts by weight or more and 99.9 parts by weight or less of the polyamide (A) and 0.1 part by weight or more and 20 parts by weight or less of the polyrotaxane (B) are mixed together relative to 100 parts by weight of the total amount of the polyamide (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: The present invention provides a protection device which includes: a PTC laminar element which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element, and a fuse layer which is positioned on a side surface defining at least one of said at least one throughhole and electrically connects the electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: The present invention provides a protection device which includes a laminar element 16 which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers 22 and 28 which are positioned on each of main surfaces of the laminar element, and a fuse layer 40 which is positioned on a side surface defining said at least one throughhole and electrically connects the electrically conductive metal thin layers. The fuse layer includes a first metal layer 41 consisting of a metal having a higher melting point and a second metal layer 42 consisting of a metal having a lower melting point. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: The present invention provides a protection device which includes a laminar element 16 which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers 22 and 28 which are positioned on each of main surfaces of the laminar element, and a fuse layer 40 which is positioned on a side surface defining said at least one throughhole and electrically connects the electrically conductive metal thin layers. The fuse layer includes a first metal layer 41 consisting of a metal having a higher melting point and a second metal layer 42 consisting of a metal having a lower melting point. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: Disclosed is a resin composition including at least a polyamide (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain, which are mixed together, wherein 80 parts by weight or more and 99.9 parts by weight or less of the polyamide (A) and 0.1 part by weight or more and 20 parts by weight or less of the polyrotaxane (B) are mixed together relative to 100 parts by weight of the total amount of the polyamide (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: An epoxy resin composition according to the present invention comprises an epoxy compound (A), a block copolymer (B) and a curing agent (C), wherein the block copolymer (B) is composed of a polymer block (a) comprising a (meth)acrylic polymer and a polymer block (b) comprising an acrylic polymer that is different from the polymer block (a), said epoxy resin composition having such a property that a cured resin product produced by curing the epoxy resin composition forms a microphase-separated structure. A cured product of the epoxy resin composition forms a highly ordered phase structure, and therefore has excellent toughness and stiffness.

Abstract: There is provided a cured product of an epoxy resin composition, in which the compounding composition and the phase-separated structure of the epoxy resin composition are controlled so that the balance between rigidity and toughness of the cured product is superior compared with those of cured products of conventional epoxy resin compositions. A cured product of an epoxy resin composition, which has both superior rigidity and superior toughness compared with conventional materials can be produced by curing an epoxy resin composition comprising an epoxy resin, a polyrotaxane having graft-chain-modified cyclic molecules and a curing agent for the epoxy resin.

Abstract: The present invention aims to provide an inorganic substance-laminated sheet that can be used suitably for applications that require high gas barrier properties. The inorganic substance-laminated sheet includes a sheet having a dispersed structure with a structural period of 0.001 ?m to 100 ?m on at least one surface and an inorganic substance layer covering the surface having the dispersed structure.

Abstract: The present invention provides a protection device which includes: a PTC laminar element which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element, and a fuse layer which is positioned on a side surface defining at least one of said at least one throughhole and electrically connects the electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: An epoxy resin composition according to the present invention comprises an epoxy compound (A), a block copolymer (B) and a curing agent (C), wherein the block copolymer (B) is composed of a polymer block (a) comprising a (meth)acrylic polymer and a polymer block (b) comprising an acrylic polymer that is different from the polymer block (a), said epoxy resin composition having such a property that a cured resin product produced by curing the epoxy resin composition forms a microphase-separated structure. A cured product of the epoxy resin composition forms a highly ordered phase structure, and therefore has excellent toughness and stiffness.

Abstract: The present invention provides a protection device which comprises: a laminar element 16 which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers 22 and 28 which are positioned on each of main surfaces of the laminar element, and a fuse layer 40 which is positioned on a side surface defining said at least one throughhole and electrically connects the electrically conductive metal thin layers wherein the fuse layer comprises a first metal layer 41 consisting of a metal having a higher melting point and a second metal layer 42 consisting of a metal having a lower melting point. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.

Abstract: There is provided a polymer PTC device which has a further improved performance. Such PTC device comprises (A) a polymer PTC element containing (a1) an electrically conductive filler and (a2) a polymer material, and (B) at least one metal electrode disposed on at least one surface of the polymer PTC element, and the electrically conductive filler is an Ni alloy filler which has oxidation resistance under a high temperature and dry atmosphere, and the polymer material is a thermoplastic crystalline polymer.