Study Of Polyurushiol/nanoparticles Hybrid Materials

Raw lacquer is special local product of china, used by coating materials long ago. Urushiol, the main ingredient in raw lacquer, represents excellent properties in prevent of corrosion, heat resistance, ageing resistance and mechanical behavior. According to the structural characteristic, hybrid materials of polyurushiol and inorganic semiconductor nanoparticles were prepared, which maybe a new king of functional organic-inorganic hybrid material. It would promote the characteristic of urushiol in new areas. Searching literature, we did not find a report about polyurushiol/nanoparticles hybrid.First of all, in this paper we prepared SnO2 nanoparticles in microemulsion system made by dodecylbenzyl sulphonic acid (DBS), discussed all kind of influencing factors, investigated the optimal processing parameters in preparation. This may be useful in the preparation of polyurushiol/SnO2 hybrid material.Then, in this paper polyurushiol/ SnO2 nanoparticles hybrid material was obtained by in situ solution polymerization for the first time in the world. The hybrid material was characterized by FT-IR, Fluorescence, XPS, TG-DTA, and DMTA. The morphology of the hybrid material was observed by TEM. It was showed that SnO2 nanoparticles were in the shape of sphere or tube and some tubes even bifurcated. The diameter of SnO2 nanoparticles ranges from 20 to 60 nm. It was concluded that, with the use of the surfactant DBS, SnO2 nanoparticles would more steady disperse in polyurushiol in nano scale. FT-IR and XPS spectrum showed that there was some interacting between the phenol hydroxyl groups in urushiol mocular chains and SnO2 nanoparticles. TG-DTA and DMTA spectrum showed the hybrid material had excellent heat stability which was stable under330'C.inAt last, on base of electropolymerization of urushiol, electropolyurushiol/CuS hybrid film (hybrid-EPU/CuS) was manufactured by the method of ion exchange process. Then hybrid-EPU/CuS was characterized by FT-IR, Fluorescence, DMTA XRD and TEM. It showed that CuS nanoparticles in hybrid were amorphous and sized from 20 to 50 nm. After heat processing of 200癈, 4 hour, CuS nanoparticles in hybrid were also in nano scale. Because of the interaction of urushiol chains and CuS, The transformation temperature Tg of hybrid-EPU/CuS was higher than that of EPU. Heat stability and solvent resistance were also improved. The interaction and network of urushiol chains were efficiency to inhibit the dimension of CuS nanoparticles. In another way, they prevented ion exchange process in some degree because of space steric hindrance.In short, this paper will make a good foundation for further application research about urushiol hybrid material and electropolymerization in future.