| abstract |
The invention provides a kind of polyurethane ferrite composite flame-proof absorbing material, wherein, it is obtained by the aggregated reaction of component of following mass parts：100 parts of PPG, 20~70 parts of toluene di-isocyanate(TDI), 0.01~0.5 part of nano carbon sol, 10~20 parts of deionized water, 5~30 parts of methyl-phosphoric acid dimethyl ester, 2~8 parts of graphene oxide, 10~20 parts of ferrite, 2~6 parts of carborundum, 1~10 part of Firebrake ZB, 0.02~0.4 part of stannous octoate, 0.03~0.6 part of triethylene diamine, 0.2~3 part of organic silicon surfactant, 1~10 part of sodium acid carbonate.Above-mentioned polyurethane ferrite composite flame-proof absorbing material provided by the invention has the characteristics that low cigarette, low toxicity, absorption frequency distribution that is fire retardant, absorbing ripple are wide.The present invention also provides a kind of preparation method of above-mentioned polyurethane ferrite composite flame-proof absorbing material. |