Polyurea and polyurethane compositions for golf equipment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63B-037/00
A63B-037/12
C08G-018/10
C08G-018/40
출원번호
UP-0371387
(2009-02-13)
등록번호
US-7786243
(2010-09-20)
발명자
/ 주소
Wu, Shenshen
Bulpett, David A.
Rajagopalan, Murali
출원인 / 주소
Acushnet Company
대리인 / 주소
Hanify & King, P.C.
인용정보
피인용 횟수 :
3인용 특허 :
91
초록▼
Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated and/or water resistant, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and an amine-terminated compound, and wherein the curi
Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated and/or water resistant, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and an amine-terminated compound, and wherein the curing agent includes a hydroxy-terminated curing agent, amine-terminated curing agent, or a mixture thereof.
대표청구항▼
What is claimed is: 1. A golf ball comprising a core, an intermediate layer, and a cover, wherein at least one layer comprises a composition comprising: a prepolymer comprising a reaction product of an isocyanate and an amine-terminated component, wherein the amine-terminated component is selected
What is claimed is: 1. A golf ball comprising a core, an intermediate layer, and a cover, wherein at least one layer comprises a composition comprising: a prepolymer comprising a reaction product of an isocyanate and an amine-terminated component, wherein the amine-terminated component is selected from the group consisting of amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycaprolactones, amine-terminated polycarbonates, amine-terminated polyamides, and mixtures thereof; and a curative blend comprising amine-terminated curing agents. 2. The golf ball of claim 1, wherein the curative blend comprises 3,5-dimethylthio-2,4-toluenediamine, 3,5-dimethylthio-2,6-toluenediamine, 3,5-diethylthio-2,4-toluenediamine, 3,5-diethylthio-2,6-toluenediamine, and mixtures thereof. 3. The golf ball of claim 1, wherein the curative blend comprises trimethyleneglycol-di-p-aminobenzoate; polytetramethyleneoxide-di-p-aminobenzoate, and mixtures thereof. 4. The golf ball of claim 1, wherein curative blend comprises N,N′-dialkylamino-diphenylmethane. 5. The golf ball of claim 1, wherein the isocyanate is selected from the group consisting of 2,2′-, 2,4′-, and 4,4′-diphenylmethane diisocyanate (MDI), 3,3′-dimethyl-4,4′-biphenyl diisocyanate (TODI), toluene diisocyanate (TDI), polymeric MDI, carbodimide-modified liquid 4,4′-diphenylmethane diisocyanate, para-phenylene diisocyanate (PPDI), meta-phenylene diisocyanate (MPDI), triphenylmethane-4,4′-, and triphenylmethane-4,4″-triisocyanate, napthylene-1,5,-diisocyanate, 2,4′-, 4,4′-, and 2,2-biphenyl diisocyanate, polyphenyl polymethylene polyisocyanate (PMDI), and mixtures thereof. 6. A golf ball comprising a core, an inner cover layer, and an outer cover layer, wherein the outer cover layer is formed of a composition comprising: a prepolymer, wherein the prepolymer comprises an isocyanate and an amine-terminated component, wherein the amine-terminated component is selected from the group consisting of amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycaprolactones, amine-terminated polycarbonates, amine-terminated polyamides, and mixtures thereof; and a curative blend. 7. The golf ball of claim 6, wherein the inner cover layer comprises a thermoplastic material. 8. The golf ball of claim 6, wherein the thermoplastic material comprises an ionomer resin. 9. The golf ball of claim 6, wherein the curative blend comprises 3,5-dimethylthio-2,4-toluenediamine, 3,5-dimethylthio-2,6-toluenediamine, 3,5-diethylthio-2,4-toluenediamine, 3,5-diethylthio-2,6-toluenediamine, and mixtures thereof. 10. The golf ball of claim 6, wherein the curative blend comprises trimethyleneglycol-di-p-aminobenzoate; polytetramethyleneoxide-di-p-aminobenzoate, and mixtures thereof. 11. The golf ball of claim 6, wherein the curative blend comprises N,N′-dialkylamino-diphenylmethane. 12. A golf ball comprising a core and a cover, wherein at least one layer comprises a composition comprising: a polyurea prepolymer comprising a reaction product of an isocyanate and an amine-terminated component, wherein the amine-terminated component is selected from the group consisting of amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycaprolactones, amine-terminated polycarbonates, amine-terminated polyamides, and mixtures thereof; and an amine-terminated curing agent. 13. The golf ball of claim 12, wherein the at least one layer is a cover layer. 14. The golf ball of claim 12, wherein the cover comprises an inner cover layer and an outer cover layer, and wherein the outer cover layer comprises the composition. 15. The golf ball of claim 14, wherein the inner cover layer comprises an ionomer resin. 16. The golf ball of claim 12, wherein the amine-terminated curing agent comprises 3,5-dimethylthio-2,4-toluenediamine, 3,5-dimethylthio-2,6-toluenediamine, 3,5-diethylthio-2,4-toluenediamine, 3,5-diethylthio-2,6-toluenediamine, and mixtures thereof. 17. The golf ball of claim 12, wherein the amine-terminated curing agent comprises trimethyleneglycol-di-p-aminobenzoate; polytetramethyleneoxide-di-p-aminobenzoate, and mixtures thereof. 18. The golf ball of claim 12, wherein the amine-terminated curing agent comprises N,N′-dialkylamino-diphenylmethane. 19. The golf ball of claim 12, wherein the composition further comprises a pigment. 20. The golf ball of claim 12, wherein the at least one layer is a cover cast from the composition.
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