▎ 摘　　要

NOVELTY - The composite filler modified steering wheel protection layer sheath material comprises aluminum dihydrogen phosphate, ammonium chloride, graphene oxide, hydrazine hydrate, poly- epsilon -caprolactone diol, octamethylcyclotetrasiloxane, trifluoropropyl methyl cyclo trisiloxane, tetramethyldisiloxane, sulfuric acid, toluene diisocyanate, butyl acetate, 1-allyl-3-methylimidazolium chloride, trichloroisocyanuric acid, di-n-octyl phthalate, dibasic lead phosphite, 2-butoxyethanol and kaolin. USE - Composite filler modified steering wheel protection layer sheath material (claimed). ADVANTAGE - The composite filler modified steering wheel protection layer sheath material effectively improves the dispersion of the filler in the resin and improves the surface strength of the finished product. DETAILED DESCRIPTION - Composite filler modified steering wheel protection layer sheath material comprises 3-4 pts. wt. aluminum dihydrogen phosphate, 0.7-1 pt. wt. ammonium chloride, 10-13 pts. wt. graphene oxide, 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 cyclo trisiloxane, 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-methylimidazolium chloride, 1-2 pts. wt. trichloroisocyanuric acid, 6-10 pts. wt. di-n-octyl phthalate, 0.1-0.2 pt. wt. dibasic lead phosphite, 2-4 pts. wt. 2-butoxyethanol and 7-11 pts. wt. kaolin. An INDEPENDENT CLAIM is included for a preparation of a composite filler modified steering wheel protection layer sheath material, which involves adding 1-allyl-3-methylimidazolium chloride to 5-6 times the weight of N,N-dimethyl formamide, stirring to obtain dissolved solution, adding aluminum dihydrogen phosphate to 10-14 times of deionized water, adding ammonium chloride, stirring, adding Kaolin, heating at 80-90 degrees C, stirring until the water is dried, heating at 110-120 degrees C for 1-2 minutes, uniformly ball-milling to obtain modified soil powder, adding graphene oxide to 100-120 times of deionized water, ultrasonically dispersing for 3-5 minutes, adjusting the pH to 10-12, stirring for 20-30 minutes, adding hydrazine hydrate, heating at 76-80 degrees C for 20-24 hours, sequentially washing the product respectively with deionized water and acetone until neutral, vacuum drying to obtain modified graphene, adding trichloroisocyanuric acid to 6-10 times amount of anhydrous ethanol, stirring, adding dibasic lead phosphite, heating at 60-70 degrees C, stirring for 4-7 minutes, adding the modified graphene and modified soil powder, stirring at 100-200 rpm for 40-50 minutes, distilling to remove ethanol, vacuum drying to obtain composite modified filler, adding di-n-octyl phthalate and 2-butoxyethanol, heating at 80-90 degrees C, stirring for 3-4 minutes to obtain alcohol ester solution, mixing octamethylcyclotetrasiloxane and tetramethyldisiloxane, heating at 30-40 degrees C for 20-30 minutes, adding 95-98% concentrated sulfuric acid, heating at 50-60 degrees C, dripping trifluoropropyl methyl cyclo trisiloxane, stirring for 4-5 hours, cooling to room temperature, adjusting the pH to 6-7, filtering to obtain fluorine-containing polysiloxane, mixing poly- epsilon -caprolactone diol and fluorine-containing polysiloxane, stirring, adding butyl acetate, stirring at 60-65 degrees C for 20-30 minutes, adding toluene diisocyanate and modified filler, heating at 80-85 degrees C, introducing nitrogen to react for 3-4 hours, adding alcohol ester solution and remaining raw materials, stirring, filtering and vacuum drying to obtain sheath material.