▎ 摘　　要

NOVELTY - Composite resin sheath material comprises 10-14 pts. wt. dammar resin, 20-30 pts. wt. high density polyethylene, 10-13 pts. wt. graphene oxide, 20-30 pts. wt. hydrazine hydrate, 170-180 pts. wt. polycaprolactone diol, 5-6 pts. wt. siloxane octamethylcyclotetrasiloxane, 2,5-3 pts. wt. trifluoropropyl methyl cyclotrisiloxane, 0.8-1 pts. wt. tetramethyldisiloxane, 0.1-0.15 pts. wt. sulfuric acid, 120-130 pts. wt. toluene diisocyanate, 10-14 pts. wt. butyl acetate, 0.2-0.3 pts. wt. 1-allyl-3-methylimidazolium chloride and 2-4 pts. wt. unsaturated octadecenoic amide. USE - Composite resin sheath material used for steering wheel. ADVANTAGE - The composite resin sheath material has increased stability and surface intensity. DETAILED DESCRIPTION - Composite resin sheath material comprises 10-14 pts. wt. dammar resin, 20-30 pts. wt. high density polyethylene, 10-13 pts. wt. graphene oxide, 20-30 pts. wt. hydrazine hydrate, 170-180 pts. wt. polycaprolactone diol, 5-6 pts. wt. siloxane octamethylcyclotetrasiloxane, 2,5-3 pts. wt. trifluoropropyl methyl cyclotrisiloxane, 0.8-1 pts. wt. tetramethyldisiloxane, 0.1-0.15 pts. wt. sulfuric acid, 120-130 pts. wt. toluene diisocyanate, 10-14 pts. wt. butyl acetate, 0.2-0.3 pts. wt. 1-allyl-3-methylimidazolium chloride, 2-4 pts. wt. unsaturated octadecenoic amide, 10-13 pts. wt. dimethyl phthalate, 1-2 pts. wt. allyl polyethylene glycol, 7-10 pts. wt. calcium phosphate and 0.5-1 pts. wt. amide. An INDEPENDENT CLAIM is included for a method for preparing composite resin sheath material, which involves: (A) adding 1-allyl-3-methylimidazolium chloride and N, N-dimethylformamide, stirring the obtained mixture; (B) adding anhydrous ethyl alcohol and isopropyl alcohol; (C) stirring the obtained mixture; (D) adding dammarane resin in the obtained mixture; (E) stirring the obtained mixture at 40-50 degrees C for 6-10 minutes; (F) adding dimethyl phthalate and high density polyethylene in the obtained mixture; (G) adding siloxane octamethylcyclotetrasiloxane in the obtained mixture; (H) stirring the obtained mixture for 4-5 hours; (I) cooling the obtained mixture; (J) adding deionized water and allyl polyethylene glycol in the obtained mixture; (K) stirring the obtained mixture for 10-16 minutes; (L) adding polycaprolactone diol and calcium phosphate in the obtained mixture; (M) preserving the obtained mixture at 60-65 degrees C for 20-30 minutes; (N) adding modified graphite in the obtained mixture; (O) reacting the obtained mixture at 80-85 degrees C for 3-4 hours; (P) adding remaining components in the obtained mixture; (Q) filtering the obtained mixture; and (R) drying the obtained mixture.