GOLF BALL COMPOSITION
Disclosed embodiments concern a golf ball comprising a core comprising a center, an outer cover layer, and optionally one or more intermediate layers. One or more of the core, outer cover layer or one or more intermediate layers includes a blend composition including from about 85 to about 99 wt % of a block copolymer and from about 1 to about 15 wt % (based on the final weight of the blend) of one or more modifying agents including amino acids, aminotriazines, dicyandiamides and polyamines and any of their combinations.
1 . A golf ball, comprising:
a core comprising a center;
an outer cover layer;
optionally one or more intermediate layers; and
wherein one or more of the core, outer cover layer or one or more intermediate layers comprises a blend composition comprising
(A) from about 85 to about 99 wt % (based on the combined weight of Components A and B) of a block copolymer; and
(B) from about 1 to about 15 wt % (based on the combined weight of Components A and B) of one or more modifying agents selected from the group consisting of amino acids, aminotriazines, dicyandiamides and polyamines and any and all combinations thereof.
2 . The golf ball according to claim 1 wherein one or more of the core, outer cover layer or one or more intermediate layers comprises a blend composition comprising:
(A) from about 90 to about 98.5 wt % (based on the combined weight of Components A and B) of a block copolymer comprising
(a) a first polymer block having an aromatic vinyl compound, and
(b) a second polymer block having an olefinic or a conjugated diene compound, or any combination thereof; and
(B) from about 1.5 to about 10 wt % (based on the combined weight of Components A and B) of one or more modifying agents selected from the group consisting of
1) a compound having the general formula
(R 2 N) m —R′—(X(O) n (OR) y ) m ,
where R is hydrogen, or a C 1 -C 20 aliphatic, cycloaliphatic or aromatic group; R′ is a bridging group comprising one or more C 1 -C 20 straight chain or branched aliphatic or alicyclic groups, or C 1 -C 20 substituted straight chain or branched aliphatic or alicyclic groups, or C 1 -C 20 aromatic groups, or an oligomer of up to 12 repeating units, and X is C or S or P with the proviso that when X=C, n=1 and y=1 and when X=S, n=2 and y=1, and when X=P, n=0-1 and y=2 or 4, and m=1-3,
2) an aminotriazene having the general formula
where R 1 -R 5 are independently aliphatic, substituted aliphatic, alkoxy, amine, aryl, substituted aryl, heteroaryl, substituted heteroaryl groups, hydrogen or halogen;
3) a dicyandiamide having the general formula
where R and R′ independently are hydrogen, or a C 1 -C 20 aliphatic, cycloaliphatic or aromatic moiety or substituted aliphatic, cycloaliphatic or aromatic moiety, R is H, —CH 3 , —C 2 H 5 , —C 6 H 5 , —CH 2 X, —C 2 H 4 X, —C 6 H 4 X, —CH 2 C 6 H 4 X, —CH 2 CH 2 C 6 H 4 X, or any and all combinations thereof, and where X is hydrogen, a methyl group, an ethyl group, a methoxy group, an ethoxy group, an amino group and a dimethylamino group;
4) a polyamine; and
5) any and all combinations thereof.
3 . The golf ball according to claim 1 wherein one the core, outer cover layer or one or more intermediate layers comprises a blend composition comprising:
(A) from about 92 to about 98 wt % (based on the combined weight of Components A and B) of a block copolymer comprising
(a) a first polymer block selected from the group consisting of styrene, α-methylstyrene, o-, m- or p-methylstyrene, 4-propylstyrene, 1,3-dimethylstyrene vinylnaphthalene and vinylanthracene; and
(b) a second polymer block having an olefinic group selected from the group consisting of ethylene, propylene, and butene or a conjugated diene compound, selected from the group consisting of 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3-pentadiene and 1,3-hexadiene and any combination thereof; and
(B) from about 2 to about 8 wt % (based on the combined weight of Components A and B) of one or more modifying agents selected from the group consisting of
1) 4,4′-methylene-bis-(cyclohexylamine)carbamate, 11-aminoundecanoic acid, 12-aminododecanoic acid, epsilon-caprolactam; omega-caprolactam, and any and all combinations thereof;
2) 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), or 2,4,6-triamino-triazine (melamine) and any and all combinations thereof;
3) dicyandiamide, N-benzyldicyandiamide, N-(4-methylbenzyl)dicyandiamide, N-(4-methoxybenzyl)dicyandiamide, N-phenethyldicyandiamide; N-(4-methylphenethyl)dicyandiamide; and N-(4-methoxyphenethyl)dicyandiamide and any and all combinations thereof;
4) any and all combinations thereof.
4 . The golf ball according to claim 3 wherein the outer cover layer has a Shore D hardness as measured on the ball of from about 35 to about 70 and comprises a blend composition comprising:
(A) a block copolymer selected from the group consisting of
styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene, (SEBS) and styrene-ethylene/propylene-styrene (SEPS), a hydrogenated hydroxyl functionalized styrene-isoprene-styrene; and any combination thereof; and
(B) one or more modifying agents selected from the group consisting of, 11-aminoundecanoic acid, 12-aminododecanoic guanamine, dicyandiamide, and any and all combinations thereof, and further comprises
(C) one or more additional polymers selected from the group consisting of olefin/unsaturated acid containing polymer including the ethylene/(meth)acrylic acid copolymers and ethylene/(meth)acrylic acid/alkyl(meth)acrylate terpolymers, or ethylene and/or propylene maleic anhydride copolymers and terpolymers, a unimodal ionomer or a bimodal ionomer or a modified unimodal ionomer or a modified bimodal ionomer or any and all combinations thereof; and
wherein the blend composition has a melt index of greater than about 3 g/10 min, a flexural modulus of from about 500 to about 100,000 psi, a material Shore D hardness of from about 25 to about 70.
5 . The golf ball according to claim 1 , wherein core, one of the intermediate layers, and outer cover layer comprise a polyalkenamer rubber selected from the group consisting of polybutenamer rubber, polypentenamer rubber, polyhexenamer rubber, polyheptenamer rubber, polyoctenamer rubber, polynonenamer rubber, polydecenamer rubber polyundecenamer rubber, polydodecenamer rubber, polytridecenamer rubber and any and all combinations thereof.
6 . A golf ball, comprising:
a core comprising a center;
an outer cover layer;
optionally one or more intermediate layers; and
wherein one or more of the core, outer cover layer or one or more intermediate layers comprises a modified resin made by a method comprising reacting an amine-functionalized modifier with a block copolymer having at least one block A comprising an aromatic vinyl compound and at least one polymer block B comprising a hydrogenated diene compound, with or without having a hydroxyl group at the terminal of the block copolymer.
7 . The golf ball according to claim 6 further comprising blending the modified resin with a non-neutralized copolymeric or terpolymeric olefin-containing acid.
8 . The golf ball according to claim 7 further comprising at least partially neutralizing the acid.
9 . The golf ball according to claim 6 further comprising fully neutralizing the acid.
10 . The golf ball according to claim 6 further comprising blending the modified resin with a partially or fully neutralized copolymeric or terpolymeric olefin-containing acid.
11 . The golf ball according to claim 6 wherein the block copolymer is a styrenic block copolymer.
12 . The golf ball according to claim 6 wherein the amine-functionalized modifier is selected from amino acids, aminotriazines, dicyandiamides, polyamines, and any and all combinations thereof.
13 . The golf ball according to claim 6 where the modified resin is made by a method comprising reacting:
(A) from about 85 to about 99 wt % (based on combined weight of Components A and B) of a block copolymer; and
(B) from about 1 to about 15 wt % (based on the combined weight of Components A and B) of one or more amine-functionalized modifiers selected from the group consisting of amino acids, aminotriazines, dicyandiamides and polyamines and any and all combinations thereof.
14 . The golf ball according to claim 6 where the modified resin is made by a method comprising reacting:
(A) from about 90 to about 98.5 wt % (based on combined weight of Components A and B) of a block copolymer comprising
(a) a first polymer block having an aromatic vinyl compound, and
(b) a second polymer block having an olefinic or a conjugated diene compound, or any combination thereof;
with
(B) from about 1.5 to about 10 wt (based on the combined weight of Components A and B) of one or more amine-functionalized modifiers selected from the group consisting of
1) a compound having the general formula
(R 2 N) m —R′—(X(O)—(OR) y ) m —,
where R is hydrogen, or a C 1 -C 20 aliphatic, cycloaliphatic or aromatic group; R′ is a bridging group comprising one or more C 1 -C 20 straight chain or branched aliphatic or alicyclic groups, or C 1 -C 20 substituted straight chain or branched aliphatic or alicyclic groups, or C 1 -C 20 aromatic groups, or an oligomer of up to 12 repeating units, and X is C or S or P with the proviso that when X=C, n=1 and y=1 and when X=S, n=2 and y=1, and when X=P, n=0-1 and y=2 or 4, and m=1-3,
2) an aminotriazene having the general formula
where R 1 -R 5 are independently aliphatic, substituted aliphatic, alkoxy, amine, aryl, substituted aryl, heteroaryl, substituted heteroaryl groups, hydrogen or halogen;
3) a dicyandiamide having the general formula
where R and R′ independently are hydrogen, or a C 1 -C 20 aliphatic, cycloaliphatic or aromatic moiety or substituted aliphatic, cycloaliphatic or aromatic moiety, R is H, —CH 3 , —C 2 H 5 , —C 6 H 5 , —CH 2 X, —C 2 H 4 X, —C 6 H 4 X, —CH 2 C 6 H 4 X, —CH 2 CH 2 C 6 H 4 X, or any and all combinations thereof, and where X is hydrogen, a methyl group, an ethyl group, a methoxy group, an ethoxy group, an amino group and a dimethylamino group;
4) a polyamine; and
5) any and all combinations thereof.
15 . The golf ball according to claim 6 where the amine-functionalized modifier is selected from 4,4′-methylene-bis-(cyclohexylamine)carbamate, 11-aminoundecanoicacid, 12-aminododecanoic acid, epsilon-caprolactam; omega-caprolactam, 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), 2,4,6-triamino-triazine (melamine), dicyandiamide, N-benzyldicyandiamide, N-(4-methylbenzyl)dicyandiamide, N-(4-methoxybenzyl)dicyandiamide, N-phenethyldicyandiamide; N-(4-methylphenethyl)dicyandiamide; N-(4-methoxyphenethyl)dicyandiamide, and any and all combinations thereof.
16 . The golf ball according to claim 6 wherein:
the block copolymer is selected from the group consisting of styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene, (SEBS), styrene-ethylene/propylene-styrene (SEPS), a hydrogenated hydroxyl functionalized styrene-isoprene-styrene, and any combination thereof; and
the amine-functionalized modifier is selected from the group consisting of 11-aminoundecanoicacid, 12-aminododecanoic guanamine, dicyandiamide, and any and all combinations thereof.
17 . The golf ball according to claim 6 wherein the modified resin further comprises one or more additional polymers selected from the group consisting of ethylene/(meth)acrylic acid copolymers, ethylene/(meth)acrylic acid/alkyl(meth)acrylate terpolymers, ethylene maleic anhydride copolymers and terpolymers, propylene maleic anhydride copolymers and terpolymers, a unimodal ionomer, a bimodal ionomer, a modified unimodal ionomer, a modified bimodal ionomer, or any and all combinations thereof; and
wherein the blend composition has a melt index of greater than about 3 g/10 min, a flexural modulus of from about 500 to about 100,000 psi, and a material Shore D hardness of from about 25 to about 70.
18 . The golf ball according to claim 6 wherein at least one of the core, intermediate layers and outer cover layer comprises a polyalkenamer rubber selected from the group consisting of polybutenamer rubber, polypentenamer rubber, polyhexenamer rubber, polyheptenamer rubber, polyoctenamer rubber, polynonenamer rubber, polydecenamer rubber polyundecenamer rubber, polydodecenamer rubber, polytridecenamer rubber, and any and all combinations thereof.