Clay reinforced dual core a golf ball
View Patent ↗A golf ball with a center core comprising polybutadiene and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the center core is disclosed herein. Alternatively, the golf ball has a mantle layer with a blend of ionomer materials and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the mantle layer.
1. A golf ball comprising:
a center core comprising more than 60 weight percent of polybutadiene, 10-50 weight percent of zinc diacrylate, 1-30-weight percent of zinc oxide, 1-20 weight percent of zinc stearate, 0.1-10 weight percent of a peroxide initiator, 0-10 weight percent of zinc pentachlorothiophenol, and 0.4 to 2.5 weight percent of an octadecyl amine (ODA) modified clay material; and
a cover layer disposed over the center core.
2. The golf ball according to claim 1 wherein the ODA modified clay material ranges from 0.6 to 1.5 weight percent of the center core.
3. The golf ball according to claim 1 wherein the cover has a thickness ranging from 0.025 inch to 0.045 inch.
4. The golf ball according to claim 1 further comprising:
an outer core disposed over the center core;
an inner mantle layer disposed over the outer core, the inner mantle layer having a thickness ranging from 0.030 inch to 0.090 inch, the inner mantle layer material having a plaque Shore D hardness ranging from 30 to 50;
an outer mantle layer disposed over the inner mantle layer, the outer mantle layer having a thickness ranging from 0.025 inch to 0.070 inch, the outer mantle layer material having a plaque Shore D hardness ranging from 50 to 71, wherein the inner mantle is thicker than the outer mantle and the outer mantle is harder than the inner mantle; and
wherein the cover layer is disposed over the outer mantle layer, the cover layer having a thickness ranging from 0.025 inch to 0.050 inch, wherein the cover layer has a Shore D hardness less than the hardness of the outer mantle layer, wherein the cover layer has a lower Shore D hardness than the outer mantle layer, the outer mantle layer has a higher Shore D hardness than the inner mantle layer, the outer core has a higher Shore D hardness than the inner mantle layer and the center core.
5. The golf ball according to claim 1 further comprising:
an outer core disposed over the center core;
an inner mantle layer disposed over the outer core, the inner mantle layer having a thickness ranging from 0.070 inch to 0.090 inch, the inner mantle layer composed of an ionomer material, the inner mantle layer material having a plaque Shore D hardness ranging from 36 to 44;
an outer mantle layer disposed over the inner mantle layer, the outer mantle layer having a thickness ranging from 0.025 inch to 0.040 inch, the outer mantle layer composed of an ionomer material, the outer mantle layer material having a plaque Shore D hardness ranging from 65 to 71; and
wherein the cover layer is disposed over the outer mantle layer, the cover layer having a thickness ranging from 0.025 inch to 0.040 inch;
wherein the cover layer has a lower Shore D hardness than the outer mantle layer, the outer mantle layer has a higher Shore D hardness than the inner mantle layer, the outer core has a higher Shore D hardness than the inner mantle layer and the center core.
6. The golf ball according to claim 1 further comprising:
an inner mantle layer disposed over the center core, the inner mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the inner mantle layer material having a plaque Shore D hardness ranging from 30 to 40, the inner mantle layer composed of a composed of an ionomer material;
a first center mantle layer disposed over the inner mantle layer, the first center mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the first center mantle layer material having a plaque Shore D hardness ranging from 40 to 55, the first center mantle layer composed of a fully neutralized polymer material;
a second center mantle layer disposed over the second center mantle layer, the second center mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the second center mantle layer material having a plaque Shore D hardness ranging from 45 to 55, the second center mantle layer composed of a fully neutralized polymer material;
an outer mantle layer disposed over the second center mantle layer, the outer mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the outer mantle layer composed of a composed of an ionomer material, the outer mantle layer material having a plaque Shore D hardness ranging from 60 to 75; and
wherein the cover layer is disposed over the outer mantle layer, the cover layer having a thickness ranging from 0.025 inch to 0.040 inch.
7. The golf ball according to claim 1 further comprising:
an inner mantle layer disposed over the center core, the inner mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the inner mantle layer material having a plaque Shore D hardness ranging from 30 to 40, the inner mantle layer composed of an ionomer material;
a first center mantle layer disposed over the inner mantle layer, the first center mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the first center mantle layer material having a plaque Shore D hardness ranging from 40 to 55, the first center mantle layer composed of a fully neutralized polymer material;
a second center mantle layer disposed over the second center mantle layer, the second center mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the second center mantle layer material having a plaque Shore D hardness ranging from 45 to 55, the second center mantle layer composed of a fully neutralized polymer material;
an outer mantle layer disposed over the second center mantle layer, the outer mantle layer having a thickness ranging from 0.030 inch to 0.050 inch, the outer mantle layer composed of a blend of ionomers, the outer mantle layer material having a plaque Shore D hardness ranging from 60 to 75; and
wherein the cover layer is disposed over the outer mantle layer, the cover layer having a thickness ranging from 0.025 inch to 0.040 inch.
8. A golf ball comprising:
a center core comprising polybutadiene
a mantle layer comprising a blend of ionomer materials and a clay material modified with silane and octadecyl amine in an amount ranging from 0.4 to 2.5 weight percent of the mantle layer; and
a cover layer disposed over the center core.
9. The golf ball according to claim 1 wherein the clay material ranges from 0.6 to 1.5 weight percent of the mantle layer.
10. The golf ball according to claim 1 wherein the cover has a thickness ranging from 0.025 inch to 0.045 inch.
11. A golf ball comprising:
an inner core;
an outer core comprising more than 60 weight percent of polybutadiene, 10-50 weight percent of zinc diacrylate, 1-30-weight percent of zinc oxide, 1-20 weight percent of zinc stearate, 0.1-10 weight percent of a peroxide initiator, 0-10 weight percent of zinc pentachlorothiophenol, and 0.4 to 2.5 weight percent of an octadecyl amine (ODA) modified clay material;
a mantle layer;
a cover.