Abstract: Golf balls having one or more structural components that include a highly neutralized acid polymer with a high acid content and a uniformly increased density. The core of the golf ball may be made up of the highly neutralized acid polymer. The highly neutralized acid polymer may have desired hardness and flexural modulus values. The highly neutralized acid polymer enables the golf ball to provide consistent play characteristics.

Abstract: A golf ball with a deposited layer is disclosed. The deposited layer is not produced by a molding process, such as injection molding or compression molding. Instead, the deposition process is produced by another process, such as thermal spraying or sintering. The deposited layer may include partially fused particulate material. The deposited layer may be added to a golf ball design as one or more supplemental layers. The deposited layer may also be provided in a golf ball design as a substitute for one or more layers. A golf ball may further include a combination of one or more supplemental deposited layers and one or more substituted deposited layers.

Abstract: Golf ball comprising: core comprising at least one layer A, cover comprising at least one layer B, intermediate layer C disposed between core and cover, and coating D applied on outermost surface of the golf ball. At least two of layer A, layer B, layer C and coating D comprise a golf ball color contributing component comprising a color and contributing to an overall golf ball color, at least two color contributing components have different saturations or different chromas, or both. Overall golf ball hue is different than that of each color contributing component and overall saturation and chroma are different than that of at least one color contributing component.

Abstract: The present invention is directed to a golf ball comprising a core, a cover and optionally an intermediate layer disposed between the core and the cover which in any combination comprise at least two color contributing components, each of which comprises a colorant that contributes to an overall golf ball color, the color contributing components having different hues and different saturations, wherein the hue and saturation and a chroma of each contributing component contributes to an overall golf ball hue, saturation and chroma such that: the overall golf ball hue is different than the hue of each color contributing component; the overall golf ball saturation is different than the saturation of at least one of the color contributing components; and the overall golf ball chroma is different than the chroma of at least one of the color contributing components.

Abstract: The present invention is directed to a golf ball comprising a core, a cover and optionally an intermediate layer disposed between the core and the cover which in any combination comprise at least two color contributing components, each of which comprises a colorant that contributes to an overall golf ball color, the color contributing components having substantially similar hues and different saturations, wherein the hue and saturation and a chroma of each contributing component contributes to an overall golf ball hue, saturation and chroma such that: the overall golf ball hue is substantially similar to the hue of each color contributing component; the overall golf ball saturation is different than the saturation of at least one of the color contributing components; and the overall golf ball chroma is different than the chroma of at least one of the color contributing components.

Abstract: A golf ball includes a relatively large polymer core and has a soft ball compression. The polymer is, in the illustrated embodiments, a highly neutralized acid polymer. The golf ball may, optionally, include an outer core made of a different material, such as a thermoset polybutadiene rubber. The golf ball may, optionally, include a mantle layer made of an ionomer material. The inner core having a diameter of between 24 mm and 40 mm, and in some designs, between 28 mm and 32 mm, yields increased iron initial velocity and lower iron spin while maintaining driver performance.

Abstract: A method and system for making a golf ball core is disclosed. The method may generally include forming a golf ball core out of a raw core material. The golf ball core may be rapidly heated to begin curing (or vulcanizing) from the outermost surface toward the center of the golf ball core. Before curing the entire golf ball core, the golf ball core may be quenched to stop the curing process. As a result, the golf ball core may include an outer cured zone and an inner uncured zone. In this state, the golf ball core may be incorporated into a finished golf ball to be sold to consumers. Following a set of instructions provided with the golf ball, the consumer may heat the golf ball to customize the properties of the golf ball core, and, thus, the characteristics of the golf ball.

Abstract: A golf ball comprising a core and a cover layer disposed about the core, the cover layer comprising a cover inner surface, a cover outer surface, a treated cover region, and an untreated cover region, the treated cover region extending inward from the cover outer surface a depth D.sub.CTr, the untreated cover region disposed between the cover inner surface and the treated cover region and having a depth D.sub.CUTr, the treated cover region comprising a fatty acid and/or fatty acid salt composition, wherein the treated cover region comprises a hardness .alpha. and the untreated cover region comprises n regions of hardness wherein n.gtoreq.1 and wherein at least one of the n regions of hardness has a hardness H.sub.1 that is different than the hardness .alpha., and wherein each of said n regions of hardness further comprise a depth D.sub.CUTn such that D.sub.CTr.ltoreq.(1/n)(D.sub.UT1+D.sub.UT2+ . . . +D.sub.UTn).

Abstract: The invention is directed to golf ball comprising a core and a cover disposed about the core, the cover comprising at least one cover layer comprising an cover outer surface and a cover inner surface, the cover outer surface comprising a fatty acid and/or fatty acid salt composition, the cover outer surface further comprising a hardness ? and the cover inner surface comprising a hardness ?, wherein the hardness ? is different than the hardness ?. In another embodiment, the at least one cover layer comprises a treated cover region and an untreated cover region, the treated cover region extending inward from the cover outer surface a depth of about 1% or greater of a distance between the cover outer surface and the cover inner surface, and the untreated cover region being disposed about the cover inner surface and adjacent the treated cover region.

Abstract: A high performance golf ball made in part of a modified high Mooney viscosity rubber. The modified high Mooney viscosity rubber has less than about 20 phr oil and is high Mooney viscosity rubber having a Mooney viscosity at least about 40 blended with between about 1 phr and about 10 phr of process oil and between about 0.05 phr and 5 phr of peptizing agent.

Abstract: A ball includes a core, a cover, and a separator or separating layer. The separating layer may be deformed or actuated to separate at least a portion of the cover from the core. This removal allows for easier recycling of the ball parts. The separating layer may include one of a bladder or a hydrophilic material that expand upon the introduction of a fluid, a shape memory polymer that deforms upon application of a stimulus, or two materials that react chemically to form a gas.

Abstract: The invention provides a multi-piece solid golf ball having a core of at least one layer, a cover of at least two layers which includes an inner cover layer and an outermost cover layer, and a plurality of dimples formed on a surface of the ball. The thickness and Shore D hardness of the outermost cover layer are set in specific ranges, the thickness and Shore D hardness of the inner cover layer are set in specific ranges, and the ball surface has, as expressed in the Lab color system defined by JIS Z-8730, a lightness L value of at least 89, an a value of at least 2 but not more than 10, and a b value of ?20 or above. The multi-piece solid golf ball of the invention increases the reddish coloring of a white golf ball, thereby enhancing the stylishness of the ball and improving the way the ball looks and feels to the golfer when it is played.

Abstract: A ball includes a core, a cover, and an intermediate layer between the core and the cover. The intermediate layer may be deformed or actuated to create discontinuities in the cover. The creation of discontinuities allows for easier recycling of the ball parts. The intermediate layer may include one of a bladder or a hydrophilic material that expand upon the introduction of a fluid, a shape memory polymer that deforms upon application of a stimulus, or two materials that react chemically to form a gas.

Abstract: The present disclosure is directed to a golf ball and a method for manufacturing a golf ball including a bladder core. In at least one embodiment, the bladder core includes an ethyl vinyl alcohol copolymer layer combined with multiple layers of thermoplastic polyurethane or other material to prevent leakage. In addition, it is contemplated that the bladder core may include a one-way valve for adjusting the pressure of a fluid within the bladder core to produce different performance characteristics.

Abstract: A ball includes a core, a cover, and cracking element or cracking layer. The cracking layer may be deformed or actuated to create discontinuities in the cover. The creation of discontinuities allows for easier recycling of the ball parts. The cracking layer may include one of a bladder or a hydrophilic material that expand upon the introduction of a fluid, a shape memory polymer that deforms upon application of a stimulus, or two materials that react chemically to form a gas.

Abstract: Diamine is used to enhance adhesion between polyurethane and polyolefinic material or ionomeric material.

Abstract: A multi-core golf ball with an RFID tag embedded thereon is described herein. The multi-core golf ball includes a spherical inner core, an RFID tag, an outer core, and a dimpled cover. The RFID tag is positioned to interface with the spherical inner core. The outer core is configured to encapsulate the spherical inner core and the RFID tag. The dimpled cover is further configured to encase the spherical inner core, the RFID tag and the outer core.

Abstract: A golf ball has a radio-frequency identification (RFID) circuit for storing ID information therein, the RFID circuit formed of conductive ink; and an antenna for communicating by using radio frequency signals, the antenna connected to the RFID circuit. The antenna may be formed of conductive ink or paste. The RFID circuit and the antenna may be formed on the surface of the golf ball. The golf ball may further include a core layer, a cover layer disposed on the outside of the core layer, and optionally, an intermediate layer disposed between the core layer and the cover layer. The core or intermediate layer has a groove on the surface thereof, and the RFID circuit and the antenna may be formed within the groove.

Abstract: A golf ball that, when hit with an iron, has a higher spin rate and launch angle than existing golf balls currently available on the market is disclosed. The same golf ball may have a compatible driver spin rate and launch angle against existing golf balls currently available on the market. When the golf ball is hit with a driver, the golf ball may have a spin rate to launch angle ratio ranging from about 190 to about 360. When the golf ball is hit with an iron other than a pitching wedge, the golf ball may have a spin rate to launch angle ratio ranging from about 500 to about 600.

Abstract: Disclosed are golf balls comprising cores or intermediate layers prepared from thermoplastic compositions having coefficients of restitution equal to or greater than 0.83 and PGA compressions greater than 100. Also disclosed is a composition comprising or prepared from (a) at least one aliphatic, mono-functional organic acid having from 16 to 20 carbon atoms, wherein the organic acid is unsaturated and linear; (b) an ethylene acid copolymer consisting essentially of copolymerized comonomers of ethylene and from 18 to 24 weight % of copolymerized comonomers of at least one C3 to C8 ?,? ethylenically unsaturated carboxylic acid, based on the total weight of the ethylene acid copolymer, having a melt index from about 200 to about 600 g/10 minutes; wherein the combined acid moieties of (a) and (b) are nominally neutralized to a level from about 120% to about 200%; and optionally (c) filler.

Abstract: A golf ball having a core layer, a mantle layer enclosing the core layer, and a cover layer enclosing the mantle layer. At least one of the layers includes a blend of at least two highly neutralized acid polymers having low flexural moduli. The relative proportion of one highly neutralized acid polymer to the other highly neutralized acid polymer is between about 10:90 and about 90:10.

Abstract: Disclosed embodiments concern using at least one triazine, typically an amine or polyamine triazine (referred to as amino triazines), in combination with at least one ionomer or ionomer precursor to form compositions useful for making sporting equipment, such as golf ball components. The ionomer or ionomer precursor typically includes plural acid functional groups, such as carboxyl or carboxylate groups, that react or form salts with the amino triazine. Specific examples, without limitation, of suitable amino triazines include guanamine, 6-methyl-1,3,5-triazine-2,4-diamine(acetoguanamine), 6-nonyl-1,3,5-triazine-2,4-diamine(nonylguanamine), 6-phenyl-1,3,5-triazine-2,4-diamine(benzoguanamine) and 2,4,6-triamino-triazine(melamine).

Abstract: A high-hardness, durable golf ball layer is formed from an ionomer/polyamide alloy. The polyamide is produced, in part, from renewable resources.

Abstract: The present invention provides a golf ball resin composition comprising (A) an ionomer resin component and (B) a compound having an anionic part within a molecule thereof, wherein with respect to a metal ion contained in the golf ball resin composition, (A) the ionomer resin component and (B) the compound having the anionic part within the molecule thereof, following coordinate energies obtained by ab initio molecular orbital calculation method using a basis function B3LYP/6-31G(d) satisfy the following expression: 0.3?(A?C)/(B?C)?0.6, wherein coordinate energy A is the coordinate energy between the metal ion and the anionic part of (B) component, coordinate energy B is the coordinate energy between the metal ion and the carboxyl ion of (A) component, and coordinate energy C is the coordinate energy between the metal ion and the olefin of (A) the ionomer resin component.

Abstract: A golf ball having a cover layer, an outer core layer, and an inner core layer. The inner core layer has a first compression deformation at 24° C. and a second compression deformation at 70° C. The ratio between the second compression deformation and the first compression deformation is between approximately 1.5 and approximately 2.5.

Abstract: This disclosure provides a golf ball that includes carbon dioxide absorbents in order that the golf ball may reduce atmospheric carbon dioxide levels to aid in alleviating global warming. The golf ball may include an intermediate layer that is substantially impermeable to water, in order to ensure that the golf ball's core is not degraded by water produced by the carbon dioxide absorbance reaction. The chemical absorbents may be encapsulated in microcapsules so that carbon dioxide is not absorbed until the golf ball is used by a golfer.

Abstract: An object of the present invention is to provide a golf ball having an excellent properties like flight distance and low temperature durability. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic polyamide resin having a flexural modulus in a range from 700 MPa to 5,000 MPa; (B) a metal-neutralized product of ethylene-(meth)acrylic acid copolymer and (C) a resin having a polar functional group in a specific way.

Abstract: A golf ball having a core, an outer core layer, a medial layer, and a cover is disclosed, as well as a method of making. The outer core layer defines perforations therethrough. The core and medial layer are formed integrally through the perforations.

Abstract: The present invention generally relates to golf balls and more particularly to golf balls having multi-layered cores comprising a thermoset rubber center, a thermoplastic intermediate core layer, and a thermoset rubber outer core layer. A cover layer is disposed about the multi-layered core. At least one of the center, intermediate core layer, and outer core layer comprises a polyalkenamer rubber. The polyalkenamer rubber may be blended with other rubbers such as polybutadiene, polyisoprene, ethylene propylene diene, and styrene-butadiene rubbers. The polyalkenamer rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel.

Abstract: A multi-core golf ball having a split inner core with an RFID tag disposed thereon is described herein. The multi-core golf ball includes a split spherical inner core having a first inner core section and a second inner core section that interfaces with the first inner core section. The multi-core golf ball also includes an RFID tag, an outer core, and a dimpled cover. The RFID tag is positioned between the first inner core section and the second inner core section. The outer core encapsulates the split spherical inner core and the RFID tag. The dimpled cover encases the outer core.

Abstract: A method of recycling a multi-material inner part of a golf ball includes a variety of steps. The inner part and cover are separated from one another. The inner part is pulverized into pieces. The pieces are placed in a liquid to separate the pieces of one material from the pieces of the other materials. A ball designed for use in such a system is also disclosed.

Abstract: This invention pertains to a golf ball which includes a core, optionally one or more intermediate layers; and an outer cover layer, and where one or more of the outer cover or intermediate layers includes a carboxylated elastomer composition, which has an elastomer backbone and one or more pendant carboxy groups.

Abstract: The invention provides a colored golf ball composed of a core, a cover having a plurality of dimples formed on an outside surface thereof, and an inside layer in contact with the cover. The ball satisfies the following conditions: (i) a color difference ?E* between the inside layer and the ball of at least 30; (ii) the inside layer has a lightness L* value, expressed in the L*a*b* color system based on JIS Z8729, of at least 82; (iii) the ball has a lightness L* value of at least 50; (iv) the lightness L* value of the ball?the lightness value of the inside layer; (v) the inside layer has a transparency which is up to 10% in terms of total transmittance and up to 1.0% in terms of parallel transmittance; (vi) the cover has a transparency which is at least 50% in terms of total transmittance and at least 1.0% in terms of parallel transmittance; and (vii) the inside layer has a haze (H), mentioned in JIS K7105 (1981), of at least 90.

Abstract: An object of the present invention is to improve the abrasion-resistance of a golf ball having a polyurethane cover. Another object of the present invention is to enhance the resilience and the shot feeling thereof. The present invention provides a golf ball having a cover, said cover comprising, as a base resin, a thermoplastic polyurethane containing a polycarbonate polyol as a constitutional component, wherein the polycarbonate polyol has, as a repeating constitutional unit, a repeating unit (A) shown in a following Formula (I), and a repeating unit (B) shown in a following Formula (II) and having a different structure from that of (A), and a molar ratio of (A)/(B) is from 30/70 to 70/30. In Formula (I), R1 is a bivalent residue obtained by removing two hydroxyl groups from a diol having 4 to 6 carbon atoms. In Formula (II), R2 is a bivalent residue obtained by removing two hydroxyl groups from a diol having 4 to 6 carbon atoms.

Abstract: This invention pertains to a golf ball which includes a core, optionally one or more intermediate layers; and an outer cover layer. The outer cover layer and/or one or more intermediate layers includes a blend of a) about 2 to about 40 wt % (based on the total weight of the blend composition) of an aramid polymer and b) about 60 to about 98 wt % (based on the total weight of the blend composition) of one or more additional polymer components. The blend composition has a melt flow index (MFI) from about 1 to about 80 g/10 min., a material hardness of about 30 to about 90 Shore D, and a flex modulus of about 10 to about 120 kpsi.

Abstract: A golf ball having a good rebound and excellent flight performance can be obtained using a golf ball composition which includes a diene polymer having a molecular weight distribution (Mw/Mn) of less than 1.9.

Abstract: A golf ball having a good rebound and excellent flight performance can be obtained using a golf ball composition which contains a diene polymer having a smallest molecular weight value of at least 3,000.

Abstract: A golf ball endowed with a good rebound and an excellent flight performance can be obtained using a golf ball composition of good workability which contains a diene polymer having a peak top molecular weight (Mp) on a molecular weight distribution curve measured using gel permeation chromatography (GPC) of at least 40×104 and not more than 100×104.

Abstract: A golf ball having a good rebound and excellent flight performance can be obtained using a golf ball composition which includes a diene polymer containing not more than 1.5% of components having a molecular weight of 30,000 or less.

Abstract: The present invention is directed to a golf ball possessing an overall unique and perceptibly pleasing multi-color appearance and being constructed of at least two layers wherein each layer has at least two color regions which contribute substantially to the golf ball's overall color appearance, the inner and outer layers being strategically positioned and aligned in relation to each other to create the overall golf ball color appearance. A resulting superior overall golf ball multiple color appearance is achieved by the positioning and aligning of one layer about another.

Abstract: A golf ball comprising: a core having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition comprising a carbon-carbon initiator, wherein the outer surface has a hardness that differs from a hardness at the geometric center by up to about 10 Shore C; optionally an intermediate layer disposed about the core; and a cover layer disposed about the core (or intermediate layer where present).

Abstract: The invention provides a colored golf ball comprising a core, a cover having a plurality of dimples formed on its surface, wherein the golf ball is two-piece structure consisting of a core and a cover, and the surface of the ball is coated with a coating comprising a pearlescent pigment. The ball satisfies the following conditions: (i) a color difference ?E* between the core and the ball of at least 30; (ii) the core has a transparency which is up to 10% in terms of total transmittance and up to 1.0% in terms of parallel transmittance; (iii) the core has a lightness L* value, expressed in the L*a*b* color system based on JIS Z8729, of at least 82; (iv) the ball has a lightness L* value of at least 50; (v) the lightness L* value of the ball ?the lightness L* value of the core; (vi) the cover has a thickness of from 0.1 to 2.1 mm, (vii) the cover has a transparency which is at least 50% in terms of total transmittance and at least 1.

Abstract: The present invention provides a solid golf ball that exhibits a high resilience performance and a high flight performance and gives a good shot feeling. The present invention relates to a solid golf ball including: a core including at least one layer; and a cover including at least one layer, the cover being provided to cover the core, wherein the at least one layer of the core is prepared by vulcanization-molding a rubber composition including: (a) a base rubber; (b) a co-crosslinking agent; (c) an organic peroxide; (d) a filler; and (e) a disulfide compound represented by formula (I): R1—S—S—R2??(I) wherein R1 and R2 each represent any one of the following groups: an aromatic hydrocarbon group; an aliphatic hydrocarbon group having two or more carbon atoms; a heterocyclic hydrocarbon group; and an alicyclic hydrocarbon group, each of which is optionally substituted, and R1 is a group different from R2.

Abstract: An object of the present invention is to provide a golf ball having a high performance as well as the visibility and the fashionable appearance. The present invention provides a colored golf ball having a color other than white and comprising: a core having a center and at least one intermediate layer disposed around the center, and a cover disposed around the core, wherein the cover and at least one of the intermediate layer preferably contain a fluorescent dye and/or a fluorescent pigment.

Abstract: A center of a golf ball is formed from a composition having a flexural modulus from 150-450 MPa, a maximum loss factor (tan ?) between ?20 and 0° C. of 0.08 or less, a rebound resilience of 55% or more, and a slab hardness ranging from 40-60 in Shore D hardness. The center composition includes, as a resin component, 30 to 70 mass % of (A) a modified polyester elastomer having a Shore A hardness of 95 or less; 70-30 mass % of (B) a binary ionomer resin having a Shore D hardness of 65 or more, a flexural modulus of 300 MPa or more, and a melt flow rate (190° C., 2.16 kg) of 1.0 g/10 min or more; and 0-50 mass % of (C) a thermoplastic resin other than (A) and (B) components (provided that a total content of (A), (B), and (C) components is 100 mass %).

Abstract: An object of the present invention is to provide a two-component curing type urethane-based aqueous golf ball paint, which is excellent in gloss of a paint film and evenness of the film thickness. Another object of the present invention is to provide a two-component curing type urethane-based aqueous golf ball paint, which is excellent in adhesion to the surface of a golf ball body. The present invention provides a two-component curing type urethane-based aqueous golf ball paint containing (A) an aqueous polyol composition and (B) an aqueous polyisocyanate, wherein the aqueous paint has a contact angle of 45° or less to a resin component constituting an outermost layer of a golf ball body and a paint film has reflectivity of 70% or more at an incident angle of 20°.

Abstract: The present invention aims to provide a golf ball resin composition excellent in resilience and flexibility, and a golf ball having excellent properties in terms of resilience and shot feeling. The present invention relates to a golf ball resin composition, including: (A) at least one selected from the group consisting of: (a-1) a binary copolymer of an olefin and a C3-C8 ?,?-unsaturated carboxylic acid; (a-2) a metal ion-neutralized product of a binary copolymer of an olefin and a C3-C8 ?,?-unsaturated carboxylic acid; (a-3) a ternary copolymer of an olefin, a C3-C8 ?,?-unsaturated carboxylic acid, and an ?,?-unsaturated carboxylic acid ester; and (a-4) a metal ion-neutralized product of a ternary copolymer of an olefin, a C3-C8 ?,?-unsaturated carboxylic acid, and an ?,?-unsaturated carboxylic acid ester, and (B) a compound containing a hydrocarbon chain, a cationic moiety, and an anionic moiety in its molecule.

Abstract: Multi-piece golf balls having at least one component made of a rubber composition comprising substantially oriented nanostructures are provided. For example, the nanostructures may be in the form of nanofibers, nanorods, nanotubes, and nanoparticles. The multi-piece golf ball contains a core, which may have a dual-core construction including a center and surrounding outer core layer or other multi-layered structure. Preferably at least one of the core layers is formed from a polybutadiene rubber composition comprising the nanostructures. The polybutadiene rubber may be chemically or non-chemically modified. The polybutadiene preferably has a cis-bond content of at least 80%.

Abstract: Described are golf balls comprising cores or intermediate layers prepared from thermoplastic compositions having coefficients of restitution equal to or greater than 0.83 and PGA compression greater than 100. Also described is a composition comprising or prepared from (a) at least one aliphatic, mono-functional organic acid having from 16 to 20 carbon atoms, wherein the organic acid is unsaturated and linear; (b) an ethylene acid copolymer consisting essentially of copolymerized comonomers of ethylene and from 18 to 24 weight % of copolymerized comonomers of at least one C3 to C8 ?,? ethylenically unsaturated carboxylic acid, based on the total weight of the ethylene acid copolymer, having a melt index from about 200 to about 600 g/10 minutes; wherein the combined acid moieties of (a) and (b) are nominally neutralized to a level from about 120% to about 200%; and optionally (c) filler.

Abstract: A golf ball comprising a single layer core formed from a substantially homogenous formulation and comprising a geometric center and an outer surface, and a cover layer disposed thereabout. The single layer core has an inner core region disposed about the geometric center and an outer core region that is disposed about the inner core region and is adjacent the outer surface, the outer core region having a thickness of about 15 mm or less. The inner core region has a hardness that increases radially from the geometric center toward the outer core region in a plurality of increments of about 5 Shore C. The inner core region has a first hardness (IC1h) and the outer core region has a second hardness (OC2h) such that (OC2h)>(IC1h) and a hardness of the outer surface (OSh) is greater than a hardness of the geometric center (GCh), represented by the relationship (OSh)>(GCh).