| abstract |
The invention discloses a kind of composite modified polyurethane material and preparation method thereof, including following parts by weight raw material to be prepared：50 60 parts of polyurethane, 5 15 parts of nano-aluminum hydroxide, 5 10 parts of modifying agent, 15 20 parts of neoprene, 0.3 0.8 parts of coupling agent, 25 parts of crosslinking agent, 5 10 parts of butyl titanate, 38 parts of zinc stearate；The present invention is for composite by the nano-aluminum hydroxide Jing Guo specific aim modification and polyurethane, and nano-aluminum hydroxide is set to be dispersed in polyurethane system, obtained modified polyurethane material resistance to elevated temperatures is excellent, is conducive to application of the polyurethane in more areas. |