Abstract: A sealing method for sealing an opening of a metallic molded body with a resin molded body, the metallic molded body having a cavity therein and an opening connected to the cavity, includes a step of irradiating laser light onto a joining surface on a periphery of the opening of the metallic molded body in an energy density of 1 MW/cm2 or more and at an irradiation rate of 2000 mm/sec or more to roughen the surface, and a step of placing, in a mold, a portion including the joining surface of the metallic molded body roughened in the preceding step and sealing the opening with a resin molded body formed by injection molding or compression molding of a resin.

Abstract: Provided is an electromagnetic wave shielding and absorbing molded article which has excellent shielding properties and absorbency for electromagnetic waves having a specific frequency. The electromagnetic wave shielding and absorbing molded article includes a thermoplastic resin composition including stainless steel fibers, and the content ratio of the stainless steel fibers in the molded article is from 0.5 to 20 mass %. The electromagnetic wave shielding and absorbing molded article has a thickness from 0.5 mm to 5 mm, and a shielding property of 10 dB or greater and an absorbency of 25% or greater for electromagnetic waves having any frequency in a frequency domain from 59 GHz to 100 GHz.

Abstract: To provide a thermoplastic resin composition having an enhanced cleaning performance for cleaning a molding processing machine. The thermoplastic resin composition for cleaning a molding processing machine contains (A) an olefin-based resin, and (B) (B1) a nonionic surfactant having an HLB of 13 to 20, wherein the composition contains component (B) in an amount of 0.5 to 10 parts by mass relative to 100 parts by mass of component (A).

Abstract: To provide a cellulose ester composition having good thermoplasticity. The cellulose ester composition including: (A) a cellulose ester and (B) a plasticizer, wherein the plasticizer of the component (B) includes at least one kind selected from adipic acid esters respectively represented by the following formulae (I), (II) and (III).

Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.

Abstract: Provided is an electromagnetic wave shielding and absorbing molded article which has an excellent shielding property and absorbency of electromagnetic waves of specific frequencies. The electromagnetic wave shielding and absorbing molded article includes a thermoplastic resin composition containing a thermoplastic resin and carbon fibers. The carbon fibers have a weighted average fiber length in the molded article in a range from 0.05 to 8.0 mm, and the content ratio of the carbon fibers in the molded article is from 0.05 to 45 mass %. The electromagnetic wave shielding and absorbing molded article has a thickness from 0.01 mm to 5 mm, a shielding property of 10 dB or greater and an absorbency of 5% or greater for electromagnetic waves having any frequency in a frequency domain from 59 GHz to 100 GHz.

Abstract: A method for roughening a surface of a metal molded body which can be used as an intermediate for manufacturing a composite molded body of a metal molded body with a resin, a rubber, a metal, or the like is provided. The method for roughening a metal molded body surface includes a step of irradiating the surface of the metal molded body with laser light at an irradiation rate of 2000 mm/sec or more with an energy density of 1 MW/cm2 or more using a laser apparatus, and the laser light irradiation step is a step of irradiating laser light so that laser light-irradiated portions and non-laser light-irradiated portions are generated alternately when the laser light is irradiated to be in a straight line, a curved line, or a combination of a straight line and a curved line on the surface of the metal molded body to be roughened.

Abstract: Object Provided is a medical implant having favorable biocompatibility. Solution to Problem An implant used for binding to a biological tissue including bone or teeth, and made of metal selected from titanium or titanium alloys, cobalt chrome alloys, and tantalum, includes a surface layer portion of a portion, which is bound to a biological tissue including bone or teeth, of the implant, the surface layer portion having a porous structure. The porous structure includes a trunk hole formed in a thickness direction and including an opening on a binding face side, open holes each constituted of a branch hole formed extending from an inner wall surface of the trunk hole in a direction different from that of the trunk hole, an interior space formed in the thickness direction and not including an opening on the binding face side, a tunnel connecting path connecting the open holes and the interior space, and a tunnel connecting path connecting the open holes.

Abstract: Provided is an electromagnetic wave shielding and absorbing molded article which has excellent shielding properties and absorbency for electromagnetic waves having a specific frequency. The electromagnetic wave shielding and absorbing molded article includes a thermoplastic resin composition including stainless steel fibers, and the content ratio of the stainless steel fibers in the molded article is from 0.5 to 20 mass %. The electromagnetic wave shielding and absorbing molded article has a thickness from 0.5 mm to 5 mm, and a shielding property of 10 dB or greater and an absorbency of 25% or greater for electromagnetic waves having any frequency in a frequency domain from 59 GHz to 100 GHz.

Abstract: A resin-impregnated fiber bundle that can provide a molded article with a high surface impact strength is prepared by impregnating and integrating 100 parts by mass of a bundle of a fiber material (A) with 25 to 300 parts by mass of a thermoplastic resin (B). The fiber bundle has a flattened shape with a lateral cross-sectional shape having a major axis and a minor axis (length of the major axis>length of the minor axis). An average length (D1) of the major axis is 0.5 to 2.0 mm. An average flatness ratio (D1/D2), determined from the average length (D1) of the major axis and an average length (D2) of the minor axis, is 1.2 to 8.01. The fiber bundle has a length (L) of 11 to 50 mm, a ratio (L/D1) between L and D1 is 10 to 50, and a bulk density is 0.1 to 0.4 g/cm3.

Abstract: A thermoplastic resin composition capable of providing a molded article that is excellent in its capability of shielding millimeter waves. A thermoplastic resin composition for a molded article having a capability of shielding millimeter waves, containing (A) a thermoplastic resin and (B) carbon long fibers having a fiber length of from 3 to 30 mm in an amount of from 0.5 to 5% by mass. A molded article obtained from the composition is excellent in its capability of shielding millimeter waves and can be used as a protective member for a transmitting and receiving antenna of a millimeter wave radar.

Abstract: A cellulose ester composition having good thermoplasticity and including: (A) a cellulose ester and (B) a plasticizer, wherein the plasticizer of the component (B) includes at least one kind selected from adipic acid esters respectively represented by the following formulae (I), (II) and (III).

Abstract: A composite molded article contains a metal molded article and a resin molded article, which are bonded to each other, in which the metal molded article has a roughened bonding surface, a surface layer portion of the metal molded article including the roughened bonding surface has: open holes containing: a stem hole that is formed in a thickness direction and has an opening on the side of the bonding surface, and a branch hole that is formed from an inner wall of the stem hole in a different direction from the stem hole, and the composite molded article is bonded in such a state that the resin permeates into the open holes formed on the bonding surface of the metal molded article.

Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.

Abstract: To provide a resin-impregnated fiber bundle that can provide a molded article with a high surface impact strength. A resin-impregnated fiber bundle prepared by impregnating and integrating 100 parts by mass of a bundle of a fiber material (A) with 25 to 300 parts by mass of a thermoplastic resin (B), wherein: the resin-impregnated fiber bundle has a flattened shape with a lateral cross-sectional shape having a major axis and a minor axis (length of the major axis>length of the minor axis); an average length (D1) of the major axis is 0.5 to 2.0 mm; an average flatness ratio (D1/D2) determined from the average length (D1) of the major axis and an average length (D2) of the minor axis is 1.2 to 8.0; the resin-impregnated fiber bundle has a length (L) of 11 to 50 mm and a ratio (L/D1) between L and D1 is 10 to 50; and a bulk density is 0.1 to 0.4 g/cm3.

Abstract: A thermoplastic resin composition for cleaning a molding processing machine, which has good cleaning performance and workability in cleaning an inner side of a molding processing machine of thermoplastic resin composition, such as an extruder and an injection molding and includes (A) an olefin-based resin, (B) a thermoplastic resin which is not compatible with the olefin-based resin of the component (A), (C) a thermoplastic resin for making the olefin-based resin of the component (A) and the thermoplastic resin of the component (B) compatible with each other, (D) an alkaline metal salt of a fatty acid, (E) a nonionic surfactant, and (F) a metal salt of an acidic phosphoric ester.

Abstract: An ABS resin composition including: (A) 100 parts by mass of an ABS resin having a total light transmittance of 70% or more; (B) 1 to 70 parts by mass of an antistatic agent including a polyether ester amide having a polyamide 12 skeleton; (C) 1 to 70 parts by mass of an acid-modified methacrylic acid-based polymer having a refractive index of 1.50 to 1.56.

Abstract: To provide a thermoplastic resin composition for cleaning a molding processing machine, which has good cleaning performance and workability in cleaning an inner side of a molding processing machine of thermoplastic resin, such as an extruder and an injection molding machine. A thermoplastic resin composition for cleaning a molding processing machine, which includes (A) a thermoplastic resin containing a styrene-based resin, (B) an alkaline metal salt of a fatty acid, (C) a nonionic surfactant, and (D) a metal salt of an acidic phosphoric ester.

Abstract: A fiber-reinforced resin composition which is capable of providing a light-weight molded article that has a high mechanical strength. The fiber-reinforced resin composition contains (A) a thermoplastic resin and (B) resin-impregnated filament bundles containing rayon fibers. The rayon fibers of the component (B) have a fiber diameter of 5-30 ?m and an X-ray orientation degree of 86% or more. The resin-impregnated filament bundles are obtained by: tying 2,000-30,000 rayon fibers of the component (B) lined up in the longitudinal direction together in a bundle; integrating the bundle of the rayon fibers by impregnating the bundle with the thermoplastic resin of the component (A) in a molten state; and then cutting the integrated bundle into pieces 3-30 mm long.

Abstract: The present invention provides a plated resin molded article having a high adhering strength of a plating layer. Specifically, it provides a plated resin molded article that has a metal plating layer on the surface of a thermoplastic resin molded article comprising a composition that contains (A) 10 to 90 mass % of a matrix resin that has a water absorption after 24 hours in 23° C. water (ISO62) of at least 0.6% and (B) 90 to 10 mass % of a non-styrenic resin that has a water absorption after 24 hours in 23° C. water (ISO62) of less than 0.6%, wherein the thermoplastic resin molded article is not subjected to etching with a heavy metal-containing acid.