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    • 29. 发明申请
    • GOLF BALLS COMPRISING THERMOPLASTIC OR THERMOSET COMPOSITION HAVING CONTROLLED GEL TIME
    • 包含具有控制凝胶时间的热塑性或热固性组合物的高尔夫球
    • US20110136587A1
    • 2011-06-09
    • US13028702
    • 2011-02-16
    • Shawn RicciBrian ComeauRandy PetrichkoDavid A. BulpettMurali Rajagopalan
    • Shawn RicciBrian ComeauRandy PetrichkoDavid A. BulpettMurali Rajagopalan
    • A63B37/00A63B37/02A63B37/12
    • A63B37/0024A63B37/0003A63B37/02A63B37/12
    • A golf ball comprising a core and at least one layer disposed about the core, wherein at least one of the core and the layer comprises a thermoplastic or thermoset composition comprising a reaction product of a polyurethane or polyurea prepolymer comprising at least one isocyanate and a curative comprising a blend of at least one aliphatic diamine and at least one polyaspartic ester formed from reactants comprising at least one aliphatic primary polyamine and at least one maleic or fumaric diester, and wherein the thermoplastic or thermoset composition comprises a gel time of about 90 seconds or greater. Also, a golf ball comprising a core and at least one layer disposed about the core wherein at least one of the core and the layer comprises a thermoplastic or thermoset composition T comprising a reaction product of a polyurethane or polyurea prepolymer P comprising at least one isocyanate and a curative C comprising a blend of at least one aliphatic diamine D and at least one polyaspartic ester formed from reactants comprising at least one aliphatic primary polyamine and at least one maleic or fumaric diester, wherein the thermoplastic or thermoset composition T has a gel time X such that X>1.25Y, and wherein Y is the gel time of a thermoplastic or thermoset composition T′ comprising a reaction product of the polyurethane or polyurea prepolymer P and a curative C′ comprising a blend of aliphatic diamine D and a polyaspartic ester consisting of N,N′-diethylmaleate-2-methyl-pentamethylene diamine.
    • 一种高尔夫球,包括芯和围绕所述芯设置的至少一层,其中所述芯和所述层中的至少一个包含热塑性或热固性组合物,其包含聚氨酯或聚脲预聚物的反应产物,所述聚氨酯或聚脲预聚物包含至少一种异氰酸酯和固化剂 包括至少一种脂族二胺和至少一种由包含至少一种脂肪族初级多胺和至少一种马来酸或富马酸二酯的反应物形成的聚天冬氨酸酯的共混物,并且其中所述热塑性或热固性组合物包含约90秒的凝胶时间或 更大 此外,高尔夫球包括芯和围绕芯设置的至少一层,其中芯和层中的至少一个包含热塑性或热固性组合物T,其包含聚氨酯或聚脲预聚物P的反应产物,所述聚氨酯或聚脲预聚物P包含至少一种异氰酸酯 和包含至少一种脂族二胺D和至少一种由包含至少一种脂肪族初级多胺和至少一种马来酸或富马酸二酯的反应物形成的聚天冬氨酸酯的共混物的固化剂C,其中热塑性或热固性组合物T具有凝胶时间 X,使得X> 1.25Y,并且其中Y是包含聚氨酯或聚脲预聚物P的反应产物和包含脂族二胺D和聚天冬氨酸酯的共混物的固化剂C'的热塑性或热固性组合物T'的凝胶时间 由N,N'-二乙基马来酸酯-2-甲基 - 戊二胺组成。