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GOLF BALLS HAVING METAL-CONTAINING PLASTICIZED THERMOPLASTIC INNER CORES AND THERMOPLASTIC OUTER CORES
GOLF BALLS HAVING METAL-CONTAINING PLASTICIZED THERMOPLASTIC INNER CORES AND THERMOPLASTIC OUTER CORES
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机译:具有含金属的热塑内孔和热塑外孔的高尔夫球
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摘要
Multi-piece golf balls containing a dual-layered core structure are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity, and a surrounding outer core layer. The layers of the core structure may have different hardness gradients. The center of the core comprises a metal material such as copper, steel, brass, tungsten, titanium, aluminum, and alloys thereof preferably dispersed in a plasticized thermoplastic polymeric matrix. Different plasticizer such as fatty acid esters may be used. The outer core layer also is preferably formed from a thermoplastic composition such as an ethylene acid copolymer ionomer resin. The resulting ball has high resiliency and good spin.
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