Abstract: A heat-generating composition is produced by blending magnalium (A1), an oxidizing agent (B), at least one binder (C) selected from a cellulose-based water-soluble polymer and a vinyl-based water-soluble polymer, and a solvent containing water as a main component, and drying the mixture thereof. The heat-generating composition has a water content ratio of not higher than 1.0% by mass.

Abstract: A material for fuel-system parts which is excellent in impact strength, rigidity, elongation, unsusceptibility to swelling with liquid fuels including gasoline, and gasoline-barrier properties and has satisfactory moldability. The material for fuel-system parts comprises a resin composition comprising 100 parts by weight of a given polyamide resin (A) and 11 to 100 parts by weight of a resin (B) having a lower glass transition temperature than the polyamide resin (A) and having a functional group reactive with the polyamide resin (A), and has a structure in which the polyamide resin (A) serves as a matrix ingredient and the resin (B) serves as a domain ingredient.

Abstract: The present invention provides a material for a fuel system part, which is superior in impact strength, rigidity, elongation, swelling resistance to liquid fuels such as gasoline and the like, and gasoline barrier property, as well as moldability, which contains resin (B) having a glass transition temperature lower than that of a certain polyamide resin (A) and a functional group capable of reacting with the polyamide resin (A), at a ratio of 11-100 parts by weight relative to 100 parts by weight of the polyamide resin (A), wherein the polyamide resin (A) is a matrix component, and the resin (B) is a domain component, and further a fuel system containing this material.

Abstract: A crystalline biodegradable resin composition obtained by annealing a composition comprising an aliphatic polyester and a modified elastomer.

Abstract: A multilayer structure including a laminate of a surface layer of an olefin thermoplastic elastomer (A) and an inner layer of an olefin thermoplastic elastomer (B), wherein: the olefin thermoplastic elastomer (A) contains polyolefin, and soft components (A) made of rubber and process oil (A); the olefin thermoplastic elastomer (B) contains polyolefin, and soft components (B) made of rubber and process oil (B); Ma and Mb satisfy the relation Ma?Mb in which Ma is the molecular weight of the process oil (A), and Mb is the molecular weight of the process oil (B); and Ca and Cb satisfy the relation Ca<Cb in which Ca is the amount (wt %) of the soft components (A), and Cb is the amount (wt %) of the soft components (B)

Abstract: A crystalline biodegradable resin composition obtained by annealing a composition comprising an aliphatic polyester and a modified elastomer.

Abstract: A damping resin composition contains: 100 parts by weight of a polymer blend of 40 to 70% by weight of a polypropylene resin and 30 to 60% by weight of a thermoplastic elastomer; and 5 to 60 parts by weight of an inorganic filler, the thermoplastic elastomer comprising at least one member selected from the group consisting of an elastomer having a Tg of 0° C. to 20° C. and an elastomer having a Tg of −20° C. to 0° C. and an ethylene-&agr;-olefin copolymer. Using this damping resin compostion, a vehicle rocker-panel molding, which is attached to the lower part of a vehicle side body is molded.

Abstract: A damping resin composition contains: 100 parts by weight of a polymer blend of 40 to 70% by weight of a polypropylene resin and 30 to 60% by weight of a thermoplastic elastomer; and 5 to 60 parts by weight of an inorganic filler, the thermoplastic elastomer comprising at least one member selected from the group consisting of an elastomer having a Tg of 0° C. to 20° C. and an elastomer having a Tg of −20° C. to 0° C. and an ethylene-&agr;-olefin copolymer. Using this damping resin compostion, a vehicle rocker-panel molding, which is attached to the lower part of a vehicle side body is molded.

Abstract: To provide a method for producing a molded crystalline resin article which enables a higher crystallization degree and to mass-produce the molded crystalline resin articles. The method comprises molding a molded resin article from a thermoplastic resin containing a crystalline resin followed by performing a heating process to obtain a molded crystalline resin article having a surface layer whose crystallization index is 0.9 or higher when determined by IR spectrometry. It is preferable that the temperature of the heating process is within the range of 20° C. lower than the crystallization temperature of the molded resin article to 30° C. higher than the crystalline temperature, and that the crystalline resin is a polypropylene resin.

Abstract: The present invention is directed to a molded resin product and resin composition form making the same. The molded resin product includes at least one thick wall portion, at least one thin wall portion, and at least one thickness changing portion extending between the thick wall portion and the thin wall portion. The resin composition being used for forming the molded resin product includes 0.01-0.1 part by weight of a delustering agent and 100 parts by weight of blend components comprising: 30-50% by weight of a polypropylene block copolymer containing 4-20% by weight of ethylene, 0-10% by weight of polyethylene, 5-15% by weight of a propylene/butene copolymer, and 40-60% by weight of an ethylene/&agr;-olefin copolymer rubber.

Abstract: The object of the present invention is to provide a colored resin composition having a uniform glitter feeling, which can prevent flow mark formation. In a resin composition molded by using a thermoplastic resin composition in which glitter material is mixed into a synthetic resin, said resin molded article must have a molding ratio L/T is not less than 100, wherein T is the thickness of the molded article and L is a distance from a gate position at molding to a remotest position on the molded article, and wherein said glitter material has average particle size d of 10 &mgr;m<d≦200 &mgr;m.

Abstract: A resin molded product made of a thermoplastic resin composition and having a thick-walled portion, a thin-walled portion, and a wall-thickness changed portion provided between the thick-walled portion and the thin-walled portion. The thermoplastic resin composition exhibits a melting viscosity of not larger than 1500 poise and a die swell ratio of not lower than 1.0 when measured by using a capillary rheometer (temperature of 200° C. and die L/D=10 mm/1 mm) at a shear rate of not lower than 1200/sec.

Abstract: A glitter resin molded material provided having a glitter feel which is equivalent of a coated material. This glitter resin molded material comprises a skin layer molded to a surface of a core layer wherein the core layer contains a color pigment and a synthetic resin and the skin layer contains a glitter material, color pigment and a synthetic resin. The skin layer has a value of CR (Contrast Ratio) of less than 99% therein.

Abstract: A resin composition is disclosed, comprising a thermoplastic resin and a brightening agent, wherein the brightening agent is a scaly brightening agent having an average particle size of from 10 to less than 20 .mu.m and is added in an amount of of from 1 to 8 parts by weight per 100 parts by weight of the thermoplastic resin; or the brightenng agent is a scaly brightening agent having an average particle size of from 20 to 50 .mu.m and is added in an amount satisfying the relationship S.ltoreq.5A+15 (wherein S is the average particle size thereof (.mu.m) and A is the addition amount (parts by weight) of the brightening agent per 100 parts by weight of the thermoplastic resin). The resin composition and the resin molded product obtained therefrom give an excellent bright-feeling because the decrease of appearance quality caused by the extraordinary orientation of a scaly brightening agent is minimized.

Abstract: The wheel cover for attaching automobile wheels is made of polypropylene containing 20.about.67 wt. %, thermoplastic elastomer containing 3.about.30 wt. % and acicular calcium silicate containing of 30.about.50 wt. %. The acicular calcium silicate is preferred with a filler orientation index that is less than 1000 and has average particle sizes between 1 and 100 .mu.m. The polypropylene resin is high crystallization block polypropylene resin which contains 3.about.12 wt. % of ethylene ingredient. Heat deformed temperature (455 kPa) is more than 125 centigrade degree. It is preferred that the Melt flow index is more than 300 g/10 min.

Abstract: A glass-fiber-reinforced polypropylene resin composition is provided having:(A) at least one polypropylene resin,(B) resin-coated glass fiber obtained by previous coating glass fiber with a thermoplastic resin, and(C) glass fiber, whereinthe total content of the resins in the components (A) and (B), respectively, being 65 to 95% by weight based on the total weight of the components (A), (B) and (C),the total content (G) of the glass fibers in the components (B) and (C) being 5 to 35% by weight based on the total weight of the components (A), (B) and (C), andthe melt flow rate M (g/10 min) of the polypropylene resin as component (A) and the above-mentioned total glass fiber content G (% by weight) satisfies the relationship:M<1000/G.The reinforced polypropylene resin composition provides a resin molded article having only small protuberances of welds, and a wheel cover having an excellent appearance quality and mechanical properties.

Abstract: A composition for making an elongated molded product which can be satisfactorily used without having to be painted. The composition comprises an elastomer comprising crystalline polypropylene and ethylene-.alpha.-olefin rubber (EOR), and 0 to 15 phr of talc. The polypropylene (PP) and EOR have a blending ratio (PP/EOR) by weight of 35/65 to 67/33. The polypropylene has a Q value (M.sub.w /M.sub.n).gtoreq.10 and a melt flow rate of 50 to 120. The EOR has an .alpha.-olefin content of 10 to 20% by weight. The proportion Y of talc and the proportion X of the EOR in the elastomer satisfy the relation:Y.gtoreq.-0.63X+34.

Abstract: A door lower molding that has a main body molded of a synthetic resin by extrusion. The main body is fixed along a lower end of a door of a vehicle. The main body has a seal lip extended thereon, which closely contacts a rocker molding of the vehicle body when the door is closed. A core made of a synthetic resin is embedded in the main body. The seal lip may be covered on its outer side with a skin which has a flaw resistance characteristic and on its inner side with a sealing layer including silicone to prevent freeze-sticking to the vehicle body.

Abstract: A process for dimensionally stabilizing an article molded from a synthetic resin material, such as PVC. The molded article is subjected to a first cooling treatment to cool the article at a temperature lower than the glass transition temperature Tg of the synthetic resin followed by a heating treatment at a temperature higher than the glass transition temperature Tg and then is subjected to a second cooling treatment again at a temperature lower than the glass transition temperature Tg. Following such treatment steps, the molded article, such as side molding for automobiles, have less variation in dimensions and less shrinkage after molding in use.

Abstract: A boot for an automobile comprises two terminal annular parts and a barrel part intervening between the two terminal annular parts. This boot is obtained by injection molding a flexible PVC material. The flexible PVC material of one type (I) is composed of a polymer component and a plasticizer, which polymer component is obtained by blending high polymerization degree and low polymerization degree PVC's respectively having an average polymerization degree in specific ranges, with the mixing ratio of the two PVC's being in a specific range. The flexible PVC material of the other type (II) is composed of a polymer component and a plasticizer, which polymer component is obtained by blending a cross-linked resin having a non-gel component average polymerization degree and a cross-linking degree in respectively specific ranges with a non-cross-linked resin having an average polymerization degree in a specific range, with the mixing ratio of the two PVC's in a fixed range.