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The radical polymerization of maleic anhydride(MA),styrene(ST)with the vinyl groups introduced onto the surface of the nano-sized silica via solution polymerization method was developed.The methacryloxypropyl nano-sized silica(MPNS)was used as macromonomer and polymerized with maleic anhydride and styrene by initiating with BPO in toluene.The structure and properties of MPNS/SMA nano-composite were characterized by FT-IR spectra and TEM.Meanwhile,it was applied as tanning agent compared with the traditional styrene-maleic anhydride copolymer in leather.It was found that the applied leather had better quality characteristics with the addition of the nano-sized silica.
The radical polymerization of maleic anhydride (MA), styrene (ST) with the vinyl groups introduced onto the surface of the nano-sized silica via solution polymerization method was developed. The methacryloxypropyl nano-sized silica (MPNS) was used as macromonomer and polymerized with maleic anhydride and styrene by initiating with BPO in toluene. The structure and properties of MPNS / SMA nano-composite were characterized by FT-IR spectra and TEM.Meanwhile, it was applied as tanning agent compared with the traditional styrene-maleic anhydride copolymer in leather. It was found that the applied leather had better quality characteristics with the addition of the nano-sized silica.