Golf ball
An elastomeric composition for forming a golf ball or a component thereof is disclosed that includes the use of a non-conjugated diene monomer having two or more vinyl (CH 2 ═CH—) terminal end groups. The composition produces a molded product exhibiting an enhanced combination of increased compression (i.e., softness) and resilience (C.O.R.).
1. A golf ball, or a component thereof, molded from a composition comprising a base elastomer selected from the group consisting of polybutadiene and mixtures of polybutadiene with other elastomers, at least one metallic salt of an unsaturated monocarboxylic acid, a free radical initiator, and a non-conjugated diene monomer.
2. The composition as defined in claim 1 , wherein said non-conjugated diene monomer is selected from the group consisting of 1,7-Octadiene, 1,9-Decadiene, and 1,2,4-Trivinyl cyclohexane.
3. The composition as defined in claim 1 , wherein said polybutadiene has a weight average molecular weight of from about 50,000 to about 1,000,000 and a Mooney viscosity of from about 20 to about 100.
4. The composition as defined by claim 1 , further comprising a modifying ingredient selected from the group consisting of fillers, peptizers, fatty acids, metal oxides, and mixtures thereof.
5. The composition as defined in claim 1 , wherein said non-conjugated diene monomer enhances the combination of resilience and compression of the golf ball or the golf ball component thereof.
6. The composition as defined in claim 2 , wherein said composition comprises from about 0.5 to about 6.0 parts by weight of the non-conjugated diene monomer based on 100 parts by weight elastomer.
7. The composition as defined in claim 1 , wherein said composition comprises from about 0.50 to about 4.0 parts by weight of the non-conjugated diene monomer based on 100 parts by weight elastomer.
8. The composition as defined in claim 1 , wherein said composition comprises from about 1.0 to about 3.0 parts by weight of the non-conjugated diene monomer based on 100 parts by weight elastomer.
9. The composition of claim 1 , wherein said non-conjugated diene monomer comprises from about 5 to about 20 carbon groups.
10. The composition of claim 1 , wherein said non-conjugated diene monomer comprises from about 5 to about 12 carbon groups.
11. The composition of claim 1 , wherein said non-conjugated diene monomer comprises from about 8 to about 12 carbon groups.
12. The golf ball or golf ball component produced by the composition of claim 1 , wherein said composition also includes a halogenated organic sulfur compound.
13. The composition of claim 1 , further comprising an organo sulfur or organo sulfur metal salt material.
14. A composition for forming a golf ball or a golf ball component, said composition comprising a base elastomer selected from polybutadiene and mixtures of polybutadiene with other elastomers, said polybutadiene having a weight average molecular weight of from about 50,000 to about 500,000, at least one metallic salt of an α, β-ethylenically unsaturated monocarboxylic acid, a free radical initiator, and a non-conjugated diene monomer having two or more vinyl terminal end groups.
15. The composition as defined in claim 14 , wherein said non-conjugated diene monomer is selected from the group consisting of 1,7-Octadiene; 1,9-Decadiene and 1,2,4-Trivinyl cyclohexane.
16. The composition as defined in claim 14 , wherein said non-conjugated diene monomer is 1,7-Octadiene.
17. The composition as defined in claim 15 , wherein said non-conjugated diene monomer is 1,9-Decadiene.
18. The composition as defined by claim 14 , further comprising a modifying ingredient selected from fillers, fatty acids, peptizers, metal oxides, and mixtures thereof.
19. The composition as defined in claim 14 , wherein said non-conjugated diene monomer enhances the compression and softness of the golf ball or molded golf ball component.
20. The composition as defined in claim 14 , wherein said composition comprises from about 0.1 to about 6.0 parts by weight of the non-conjugated diene monomer based on 100 parts by weight elastomer.
21. The composition as defined in claim 14 , wherein said composition comprises from about 0.10 to about 3.0 parts by weight of the non-conjugated diene monomer based on 100 parts by weight elastomer.
22. The composition as defined in claim 14 , wherein said golf ball component is a golf ball center, core, mantle or cover or a layer thereof.
23. The composition of claim 14 , further comprising an organo sulfur or organo sulfur metal salt material.
24. The composition of claim 23 , wherein said organo sulfur is pentachlorothiophenol.
25. The composition of claim 23 , wherein said organo sulfur metal salt is a zinc salt of pentachlorothiophenol.