The manner which improves the resistance rubbing mark Characteristic and resistance cutting mark Characteristic of the ball for competition which has the ionomer cover

摘要

(57) Abstract The ionomer and the polyolefine polymer and the copolymer, the polyamide and thermoplasticity elastomer, from the block copolymer and syndiotactic resin the ball for competition which possesses the cover which includes the blend of the non ionomer material which is chosen. Treating blend at least with radiation of 1 Mega rads, you improve resistance rubbing mark Characteristic and resistance cutting mark Characteristic. The ball desirably is golf ball.