SYNTHETIC RESIN PROCESS AND ARTICLE USEFUL FOR PLATING APPLICATIONS
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.
1 . A molded article comprising:
a thermoplastic resin including a reinforcement filler;
wherein the molded article is capable of being plated such that at least a portion of surface of the molded article is substantially free of individual fillers or bundles of fillers.
2 . The molded article of claim 1 , wherein the thermoplastic resin is selected from polyacetals, polyacrylics, polycarbonates, polystyrenes, polyesters, polyamides, polyamideimides, polyarylates, polyarylsulfones, polyethersulfones, polyphenylene sulfides, polyvinyl chlorides, polysulfones, polyimides, polyetherimides, polytetrafluoroethylenes, polyetherketones, polyether etherketones, polyether ketone ketones, polybenzoxazoles, polyoxadiazoles, polybenzothiazinophenothiazines, polybenzothiazoles, polypyrazinoquinoxalines, polypyromellitimides, polyquinoxalines, polybenzimidazoles, polyoxindoles, polyoxoisoindolines, polydioxoisoindolines, polytriazines, polypyridazines, polypiperazines, polypyridines, polypiperidines, polytriazoles, polypyrazoles, polypyrrolidines, polycarboranes, polyoxabicyclononanes, polydibenzofurans, polyphthalides, polyacetals, polyanhydrides, polyvinyl ethers, polyvinyl thioethers, polyvinyl alcohols, polyvinyl ketones, polyvinyl halides, polyvinyl nitriles, polyvinyl esters, polysulfonates, polysulfides, polythioesters, polysulfones, polysulfonamides, polyureas, polyphosphazenes, polysilazanes, or a combination including at least one of the foregoing thermoplastic resins.
3 . The molded article of claim 1 , wherein the thermoplastic resin is selected from acrylonitrile-butadiene-styrene (ABS), polycarbonate, polycarbonate/ABS blend, a copolycarbonate-polyester, acrylic-styrene-acrylonitrile (ASA), acrylonitrile-(ethylene-polypropylene diamine modified)-styrene (AES), phenylene ether resins, glass filled blends of polyphenylene oxide and polystyrene, blends of polyphenylene ether/polyamide, blends of polycarbonate/PET/PBT, polybutylene terephthalate and impact modifier, polyamides, phenylene sulfide resins, polyvinyl chloride PVC, high impact polystyrene (HIPS), low/high density polyethylene, polypropylene and thermoplastic olefins (TPO), polyethylene and fiber composites, polypropylene and fiber composites, or a combination thereof.
4 . The molded article of claim 1 , wherein the reinforcing filler is a fiber and the fiber is selected from glass fiber, ceramic fiber, carbon fiber, aramid fiber, or a combination including at least one of the foregoing fibers.
5 . The molded article of claim 1 , wherein the reinforcing filler is present in an amount of about 10 wt % to about 30 wt %, based upon a total weight of the thermoplastic resin with the reinforcing filler.
6 . The molded article of claim 5 , wherein the reinforcing filler comprises glass fiber.
7 . The molded article of claim 6 , wherein the thermoplastic resin comprises a polycarbonate/ABS blend.
8 . The molded article of claim 1 , further comprising chrome plating.
9 . The molded article of claim 1 , wherein the thermoplastic resin comprises a polycarbonate/ABS blend.
10 . A molded article comprising:
a thermoplastic resin including a reinforcement filler; wherein the molded article is formed by
injecting a thermoplastic resin having a reinforcing filler into a mold to contact a mold surface;
supplying a heated temperature control fluid to heat the mold surface to a temperature from 1 to 100° C. above the heat deformation temperature of the thermoplastic resin at a rate greater than 120° C. per minute and less than or equal to 500° C. per minute;
molding the thermoplastic resin to form the molded article; and
supplying a cooled temperature control fluid to the mold to cool the molded article.
11 . The molded article of claim 10 , wherein the molded article is capable of being plated such that at least a portion of the surface of the molded article is substantially free of any reinforcing fillers.