Golf ball compositions including novel processing aids, e.g. , metal salts of unsaturated fatty acids, high styrene resins, transpolyisoprene, and transpolybutadiene, for inclusion in rubber-based compositions that reduce safety risks, mixer down time, increase dispersion of the ingredients during
Golf ball compositions including novel processing aids, e.g. , metal salts of unsaturated fatty acids, high styrene resins, transpolyisoprene, and transpolybutadiene, for inclusion in rubber-based compositions that reduce safety risks, mixer down time, increase dispersion of the ingredients during processing, and increase component COR over that of a component formed with a conventional processing aid.
대표청구항▼
What is claimed is: 1. A velocity-improving pastille for golf balls comprising: polybutadiene; a chemical peptizer comprising at least one sulfur compound comprising at least one halogenated organosulfur compound; and a physical peptizer comprising at least one metallic salt of a fatty acid, high s
What is claimed is: 1. A velocity-improving pastille for golf balls comprising: polybutadiene; a chemical peptizer comprising at least one sulfur compound comprising at least one halogenated organosulfur compound; and a physical peptizer comprising at least one metallic salt of a fatty acid, high styrene resins, transpolyisoprene, transpolybutadiene, and mixtures thereof, wherein the pastille comprises about 50 weight percent to about 95 weight percent of chemical peptizer and about 50 weight percent to about 5 weight percent of physical peptizer. 2. The pastille of claim 1, wherein the pastille comprises about 60 weight percent to about 90 weight percent of the chemical peptizer and about 10 weight percent to about 15 weight percent of physical peptizer. 3. The pastille of claim 2, wherein the pastille comprises about 70 weight percent to about 80 weight percent of the chemical peptizer and about 11 weight percent to about 13 weight percent of the physical peptizer. 4. The pastille of claim 1, wherein the polybutadiene is present in an amount of about 5 percent to about 30 percent by weight of the pastille. 5. The pastille of claim 1, wherein the metallic salt is selected from the group consisting of magnesium, calcium, zinc, aluminum, sodium, lithium, nickel, and mixtures thereof. 6. The pastille of claim 1, wherein the fatty acid is oleic acid, stearic acid, or combinations thereof. 7. The pastille of claim 1, wherein the halogenated organosulfur compound has the general formula: where R1-R5 are selected from the group consisting of C1-C8 alkyl groups; halogen groups; thiol groups (---SH), carboxylated groups; sulfonated groups; hydrogen; pentafluorothiophenol; 2-fluorothiophenol; 3-fluorothiophenol; 4-fluorothiophenol; 2,3-fluorothiophenol; 2,4-fluorothiophenol; 3,4-fluorothiophenol; 3,5-fluorothiophenol 2,3,4-fluorothiophenol; 3,4,5-fluorothiophenol; 2,3,4,5-tetrafluorothiophenol; 2,3,5,6-tetrafluorothiophenol; 4-chlorotetrafluorothiophenol; pentachiorothiophenol; 2-chlorothiophenol; 3-chlorothiophenol; 4-chlorothiophenol; 2,3-chlorothiophenol; 2,4-chlorothiophenol; 3,4-chlorothiophenol; 3,5-chlorothiophenol; 2,3,4-chlorothiophenol; 3,4,5-chlorothiophenol; 2,3,4,5-tetrachlorothiophenol; 2,3,5,6-tetrachlorothiophenol; pentabromothiophenol; 2-bromothiophenol; 3-bromothiophenol; 4-bromothiophenol; 2,3-bromothiophenol; 2,4-bromothiophenol; 3,4-bromothiophenol; 3,5-bromothiophenol; 2,3,4-bromothiophenol; 3,4,5-bromothiophenol; 2,3,4,5-tetrabromothiophenol; 2,3, 5,6-tetrabromothiophenol; pentaiodothiophenol; 2-iodothiophenol; 3-iodothiophenol; 4-iodothiophenol; 2,3-iodothiophenol; 2,4-iodothiophenol; 3,4-iodothiophenol; 3,5-iodothiophenol; 2,3,4-iodothiophenol; 3,4,5-iodothiophenol; 2,3,4,5-tetraiodothiophenol; 2,3,5,6-tetraiodothiophenoland; metal salts thereof, and mixtures thereof. 8. The pastille of claim 1, wherein the halogenated organosulfur compound is zinc pentachlorothiophenol. 9. A golf ball comprising a core and a cover, wherein the core comprises a velocity-improving pastille comprising: a chemical peptizer comprising at least one sulfur compound comprising at least one halogenated organosulfur compound; and a physical peptizer comprising at least one metallic salt of a fatty acid, wherein the pastille comprises about 50 weight percent to about 95 weight percent of chemical peptizer and about 50 weight percent to about 5 weight percent of physical peptizer. 10. The golf ball of claim 9, wherein the physical peptizer comprises zinc stearate, zinc oleate, or mixtures thereof. 11. The golf ball of claim 9, wherein the chemical peptizer comprises a zinc salt of pentachlorothiophenol. 12. The golf ball of claim 9, wherein the core composition further comprises a base rubber, at least one crosslinking agent, and at least one free radical initiator. 13. The golf ball of claim 12, wherein the core composition further comprises a least one of an antioxidant and a density-adjusting filler. 14. The golf ball of claim 9, wherein the pastille comprises about 60 percent to about 90 percent of the chemical peptizer and about 10 percent to about 15 percent of the physical peptizer. 15. The golf ball of claim 9, wherein the halogenated organosulfur compound has the general formula: where R1-R5 are selected from the group consisting of C1-C8 alkyl groups; halogen groups; thiol groups (--SH), carboxylated groups; sulfonated groups; hydrogen; pentafluorothiophenol; 2-fluorothiophenol; 3-fluorothiophenol; 4-fluorothiophenol; 2,3-fluorothiophenol; 2,4-fluorothiophenol; 3,4-fluorothiophenol; 3,5-fluorothiophenol 2,3,4-fluorothiophenol; 3,4,5-fluorothiophenol; 2,3,4,5-tetrafluorothiophenol; 2,3,5,6-tetrafluorothiophenol; 4-chlorotetrafluorothiophenol; pentachlorothiophenol; 2-chlorothiophenol; 3-chlorothiophenol; 4-chlorothiophenol; 2,3-chlorothiophenol; 2,4-chlorothiophenol; 3,4-chlorothiophenol; 3,5-chlorothiophenol; 2,3,4-chlorothiophenol; 3,4,5-chlorothiophenol; 2,3,4,5-tetrachlorothiophenol; 2,3,5,6-tetrachlorothiophenol; pentabromothiophenol; 2-bromothiophenol; 3-bromothiophenol; 4-bromothiophenol; 2,3-bromothiophenol; 2,4-bromothiophenol; 3,4-bromothiophenol; 3,5-bromothiophenol; 2,3,4-bromothiophenol; 3,4,5-bromothiophenol; 2,3,4,5-tetrabromothiophenol; 2,3, 5,6-tetrabromothiophenol; pentaiodothiophenol; 2-iodothiophenol; 3-iodothiophenol; 4-iodothiophenol; 2,3-iodothiophenol; 2,4-iodothiophenol; 3,4-iodothiophenol; 3,5-iodothiophenol; 2,3,4-iodothiophenol; 3,4,5-iodothiophenol; 2,3,4,5-tetraiodothiophenol; 2,3,5,6-tetraiodothiophenoland; metal salts thereof; and mixtures thereof. 16. A method of preparing a golf ball comprising: preparing a velocity-improving pastille comprising the steps of providing a chemical peptizer comprising at least one halogenated organosulfur compound; providing a physical peptizer comprising at least one metallic salt of a fatty acid; and blending the chemical peptizer and physical peptizer with polybutadiene in a mixer at a temperature of about 175° F. to about 250° F. to form a pellet, preparing a composition including the pellet; forming at least a portion of the golf ball from the composition. 17. The method of claim 16, wherein the at least one sulfur compound is a zinc salt of: where R1-R5 is selected from the group consisting of C1-C8 alkyl groups; halogen groups; thiol groups (--SH), carboxylated groups; sulfonated groups; hydrogen; pentafluorothiophenol; 2-fluorothiophenol; 3-fluorothiophenol; 4-fluorothiophenol; 2,3-fluorothiophenol; 2,4-fluorothiophenol; 3,4-fluorothiophenol; 3,5-fluorothiophenol 2,3,4-fluorothiophenol; 3,4,5-fluorothiophenol; 2,3,4,5-tetrafluorothiophenol; 2,3,5,6-tetrafluorothiophenol; 4-chlorotetrafluorothiophenol; pentachlorothiophenol; 2-chlorothiophenol; 3-chlorothiophenol; 4-chlorothiophenol; 2,3-chlorothiophenol; 2,4-chlorothiophenol; 3,4-chlorothiophenol; 3,5-chlorothiophenol; 2,3,4-chlorothiophenol; 3,4,5-chlorothiophenol; 2,3,4,5-tetrachlorothiophenol; 2,3,5,6-tetrachlorothiophenol; pentabromothiophenol; 2-bromothiophenol; 3-bromothiophenol; 4-bromothiophenol; 2,3-bromothiophenol; 2,4-bromothiophenol; 3,4-bromothiophenol; 3,5-bromothiophenol; 2,3,4-bromothiophenol; 3,4,5-bromothiophenol; 2,3,4,5-tetrabromothiophenol; 2,3, 5,6-tetrabromothiophenol; pentaiodothiophenol; 2-iodothiophenol; 3-iodothiophenol; 4-iodothiophenol; 2,3-iodothiophenol; 2,4-iodothiophenol; 3,4-iodothiophenol; 3,5-iodothiophenol; 2,3,4-iodothiophenol; 3,4,5-iodothiophenol; 2,3,4,5-tetraiodothiophenol; 2,3,5,6-tetraiodothiophenoland; metal salts thereof and mixtures thereof. 18. The method of claim 16, wherein the physical peptizer comprises zinc stearate, zinc oleate, or mixtures thereof. 19. The method of claim 16, wherein the step of blending is performed at a temperature of about 200° F. to about 225° F. 20. The method of claim 16, wherein the step of blending further comprises blending about 50 percent to about 95 percent chemical peptizer with about 50 percent to about 5 percent physical peptizer. 21. The method of claim 17, wherein the at least one sulfur compound is a zinc salt of pentachiorothiophenol.
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