C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/72 (2006.01) A63B 37/00 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2335797
A urethane top coat prepared by combining a polyol and a blend of an aliphatic diisocyanate and an aliphatic/aromatic polyisocyanate copolymer is provided, along with a method for its use as the top coating for a golf ball. The inventive top coating demonstrates an increased rate of curing compared to other top coatings having similar abrasion resistance and color retention qualities.
L'invention se rapporte à une couche de finition à base d'uréthane que l'on prépare en combinant un polyol et un mélange d'un diisocyanate aliphatique et d'un copolymère polyisocyanate aliphatique/aromatique. L'invention se rapporte également à un procédé d'utilisation de cette couche de finition en tant que couche de finition d'une balle de golf. La couche de finition de cette invention possède une vitesse de réticulation accrue en comparaison d'autres couches de finition présentant une résistance à l'abrasion similaire et des qualités similaires de conservation des couleurs.
Callaway Golf Company
Macrae & Co.
Spalding Sports Worldwide Inc.
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