Armstrong, Nikaido, Marmelstein & Kubovcik
Carbon fiber cord for rubber reinforcement
 A carbon fiber cord for rubber reinforcement comprising a carbon fiber bundle having coated thereon from 5 to 50% by weight, based on the total weight of the carbon fiber bundle thus treated, of a resin composition comprising a mixture of 100 parts by weight of a butadiene-acrylonitrile copolymer having a carboxyl group on at least both terminals of the molecule of the copolymer and from 5 to 40 parts by weight of an epoxy resin, or a reaction mixture obtained therefrom, and a curing agent for the epoxy resin, and further coated thereon from 0.5 to 5% by weight, based on the total weight of the carbon fiber bundle and the resin composition coated thereon, of a mixture of a phenolformalin-rubber latex type adhesive for rubber. The carbon fiber cord exhibits excellent adhesion to rubber and fatigue resistance. 
Toho Rayon Co., Ltd. The Yokohama Rubber Co., Ltd.
C C C C C C Y Y C Y C C C
C08L C08J C08G C08L C09J C08J Y10T Y10T C08L Y10S C09J C08K C08G
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Shuji Yasuo Hiroyasu Yasuo
Takahashi Kogo Ogawa Suzuki