▎ 摘　　要

NOVELTY - A nano-functional fiber building material contains nitrile rubber modified phenolic resin, urotropine, vacuum residue, nano graphene, magnetic powder, sodium silicate, magnetic iron oxide, magnetic alumina, pitch-based carbon fiber powder, non-halogenated organic phosphinate, hexamethylenetetramine, trimethylpentyltriethoxysilane, conductive mica powder, conductive nano graphite powder, trimer of polyisocyanate, polytetrafluoroethylene fiber, nano titanium dioxide, polydopamine, polyphosphazene, magnetic iron oxide particles, diethylamine phosphate and polyethyleneimine. USE - Nano-functional fiber building material is used for adsorbing and removing harmful gases from exhaust gas and dust material. ADVANTAGE - The nano-functional fiber building material has excellent mechanical property, excellent magnetic resistance, excellent high temperature resistance, low expansion performance, improved pore size and specific surface area, and enhanced efficacy. DETAILED DESCRIPTION - A nano-functional fiber building material comprises 8-10 pts. wt. nitrile rubber modified phenolic resin, 15-20 pts. wt. urotropine, 5-10 pts. wt. vacuum residue, 10-15 pts. wt. nano graphene, 20-30 pts. wt. magnetic powder, 5-10 pts. wt. sodium silicate, 10-20 pts. wt. magnetic iron oxide, 4-8 pts. wt. magnetic alumina, 30-35 pts. wt. pitch-based carbon fiber powder, 5-7 pts. wt. non-halogenated organic phosphinate, 8-10 pts. wt. hexamethylenetetramine, 2-4 pts. wt. trimethylpentyltriethoxysilane, 0.3-0.5 pt. wt. conductive mica powder, 0.2-0.4 pt. wt. conductive nano graphite powder, 0.8-1 pt. wt. trimer of polyisocyanate, 1-2 pts. wt. polytetrafluoroethylene fiber, 8-12 pts. wt. nano titanium dioxide, 1-5 pts. wt. polydopamine, 2-6 pts. wt. polyphosphazene, 12-20 pts. wt. magnetic iron oxide particles, 4-8 pts. wt. diethylamine phosphate, 1-5 pts. wt. polyethyleneimine, 8-12 pts. wt. paraffin wax, 7-13 pts. wt. higher aliphatic alcohol, 5-9 pts. wt. ethylenediaminetetraacetic acid, 7-13 pts. wt. glass fiber, 6-12 pts. wt. heat stabilizer, 6-12 pts. wt. binder, 1-5 pts. wt. polydimethyldiallylammonium chloride, 8-16 pts. wt. bentonite and 1-5 pts. wt. nano cerium oxide. Preparation of nano graphene involves adding concentrated sulfuric acid to graphite, stirring the mixtures at -20 to -10 degrees C for 5-12 hours, continuing stirring at 0-5 degrees C for 5-12 hours, adding potassium permanganate to stirred solution to carry out oxidation reaction to obtain graphite oxide solution, adding the obtained directly to cetyltrimethylammonium bromide, flocculating and modifying graphite oxide in cetyltrimethylammonium bromide solution to obtain modified graphite oxide, filtering the obtained solution and drying washed product at 50 degrees C for 24 hours in a vacuum drier. An INDEPENDENT CLAIM is included for preparation of nano-functional fiber building material.