摘要:
A cellulose-based natural fiber is added to an injection-molded plastic part, especially a fitting for the interior of a motor vehicle. In this manner, the strength of the part is increased and the fibers do not show on the surface.
摘要:
In injection molding thermoplastic resin compositions containing reinforcing materials and/or fillers, high quality molded articles superior in surface gloss and exhibiting substantially no surface defect can be obtained, by employing a technical measure, in which only superficial layer of the inner wall surface of the mold is selectively heated, by high-frequency induction heating, to a temperature above the heat distortion temperature of the thermoplastic resin composition employed prior to injection molding and cooling and solidifying the resin.
摘要:
A method for processing reinforcing filler-filled synthetic resins and applications made therefrom wherein the resulting articles have the ability to be plated to form a structurally aesthetic product substantially free of visual defects. The process utilizes an accelerated heat and cool process to form a resin-rich surface that is substantially free of any reinforcing fillers, such as fiber strands and/or bundles, on the external surface of the article. As such, the resulting article is capable of being plated to form an article that is substantially free of visual defects caused by these fillers on the surface of the article.
摘要:
A method for processing reinforcing filler-filled synthetic resins and applications made therefrom wherein the resulting articles have the ability to be plated to form a structurally aesthetic product substantially free of visual defects. The process utilizes an accelerated heat and cool process to form a resin-rich surface that is substantially free of any reinforcing fillers, such as fiber strands and/or bundles, on the external surface of the article. As such, the resulting article is capable of being plated to form an article that is substantially free of visual defects caused by these fillers on the surface of the article.
摘要:
A molding method which includes charging a resin composition in molten state containing not less than 7 wt % to less than 30 wt % of a fibrous fiber (A) and more than 70 wt % to not exceeding 93 wt % of a resin (B) into a die for shaping purpose when a temperature of the die is in the range of [the Vicat softening point minus 20° C.] of resin (B) to less than a melting point thereof, when resin (B) is crystalline resin, or when a temperature of the die is in the range of [the Vicat softening point minus 20° C.] to [the Vicat softening point plus 20° C.] of the resin (B), when resin (B) is non-crystalline resin, cooling the die after shaping to temperature which allows taking-out of a molded product.
摘要:
In order to prevent positional displacement of a graphite sheet laminate during production of a resin molded product obtained by integrally molding the graphite sheet laminate and a resin, the present invention uses a graphite sheet laminate having a structure in which a first fixing layer having a modulus of elasticity of not less than 7.0×104 Pa and not more than 5.0×107 Pa at 250° C. is in contact with a graphite sheet on at least one of principal surfaces of the graphite sheet.
摘要:
A molding method which includes charging a resin composition in molten state containing not less than 7 wt % to less than 30 wt % of a fibrous fiber (A) and more than 70 wt % to not exceeding 93 wt % of a resin (B) into a die for shaping purpose when a temperature of the die is in the range of [the Vicat softening point minus 20° C.] of resin (B) to less than a melting point thereof, when resin (B) is crystalline resin, or when a temperature of the die is in the range of [the Vicat softening point minus 20° C.] to [the Vicat softening point plus 20° C.] of the resin (B), when resin (B) is non-crystalline resin, cooling the die after shaping to temperature which allows taking-out of a molded product.
摘要:
A method of molding resin having substantial amounts of fiber and mineral fillers that provides, without the necessity of a base coat, a metallizable surface of reflector quality is possible. The method is useful for making a vehicle lamp reflector with a substantially organic skin over a substantially inorganic core. The organic skin may be metallized without using a base coat. The reflector may even be molded to give a surface gloss sufficient to be metallized without a base coat, and still meet the optical and durability requirements necessary for a vehicle headlamp.
摘要:
In order to prevent positional displacement of a graphite sheet laminate during production of a resin molded product obtained by integrally molding the graphite sheet laminate and a resin, the present invention uses a graphite sheet laminate having a structure in which a first fixing layer having a modulus of elasticity of not less than 7.0×104 Pa and not more than 5.0×107 Pa at 250° C. is in contact with a graphite sheet on at least one of principal surfaces of the graphite sheet.
摘要:
In a plastic nut for a ball screw formed by injection molding fiber reinforced plastic, the reduction in precision over time due to wear is minimized. A thread groove is ground until the fibers in matrix plastic are exposed on the surface of the thread groove.