▎ 摘　　要

NOVELTY - A fiber sheath material contains 1-2 pts. wt. alkenyl succinic anhydride, 10-13 pts. wt. oxidized graphene, 20-30 pts. wt. hydrazine hydrate, 170-180 pts. wt. poly- epsilon -caprolactone diol, 5-6 pts. wt. octamethylcyclotetrasiloxane, 2.5-3 pts. wt. trifluoropropyl methyl cyclotrisiloxane, 0.8-1 pt. wt. tetramethyldisiloxane, 0.1-0.15 pt. wt. 95-98% sulfuric acid, 120-130 pts. wt. toluene diisocyanate, 10-14 pts. wt. butyl acetate, 0.2-0.3 pt. wt. 1-allyl-3-methylimidazole, 3-4 pts. wt. cellulose acetate, 2-3 pts. wt. hydroxyethyl cellulose and 0.1-0.2 pt. wt. 1,3-dimethyl-2-imidazolidinone. USE - Fiber sheath material is used for steering wheel protective layer. ADVANTAGE - The fiber sheath material effectively prevents agglomeration and improves stability of finished product. DETAILED DESCRIPTION - A fiber sheath material comprises 1-2 pts. wt. alkenyl succinic anhydride, 10-13 pts. wt. oxidized graphene, 20-30 pts. wt. hydrazine hydrate, 170-180 pts. wt. poly- epsilon -caprolactone diol, 5-6 pts. wt. octamethylcyclotetrasiloxane, 2.5-3 pts. wt. trifluoropropyl methyl cyclotrisiloxane, 0.8-1 pt. wt. tetramethyldisiloxane, 0.1-0.15 pt. wt. 95-98% sulfuric acid, 120-130 pts. wt. toluene diisocyanate, 10-14 pts. wt. butyl acetate, 0.2-0.3 pt. wt. 1-allyl-3-methylimidazole, 3-4 pts. wt. cellulose acetate, 2-3 pts. wt. hydroxyethyl cellulose, 0.1-0.2 pt. wt. 1,3-dimethyl-2-imidazolidinone, 1-2 pts. wt. dimethylphosphonic acid dimethyl ester, 4-7 pts. wt. bisphenol A phosphite, 0.6-1 pt. wt. sp80 and 0.7-1 pt. wt. zinc stannate. An INDEPENDENT CLAIM is included for preparation of fiber sheath material.