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纳米粒子/纤维新型功能纤维的制备 总被引:2,自引:0,他引:2
以钛酸四丁酯为原料,将制备锐钛矿TiO2纳米无机粒子工艺与纤维化学改性工艺相结合,利用纳米粒子表面的羟基与纤维的活性基团作用而吸附在纤维表面,从而制备出具有光催化抗菌作用的纤维。该纤维织物在较低温度(70℃)下就可制得,结构不受损害,具有广泛的应用前景。 相似文献
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Nano SiO2/NR composites were prepared through blending nano SiO2 emulsion with natural rubber latex and then concreting with acetic acid. The emulsion nano SiO2 was prepared with Na2SiO3·9H2O and hydrochloric acid under the reaction of the assistant agents. The was analyzed effect of the application rates of assistant
agents such as silane coupling agent, surfactant, nucleating agent and dispersant on the properties and interface structure
of the nano SiO2/NR composites with IR, TEM, SEM, DMA was analyzed. An orthogonal test was arranged to select optimum condition. The results
show that the best combination for preparing nano SiO2/NR composites is as follows: the rate of the silane coupling agent (TESPT), the surfactant(dodecyl benzene sulfonate natrium),
nucleating agent(AlCl3) and dispersant(ethylene diamine tetraacetie acid) in the course of preparing nano SiO2 are 15%, 2.0%, 2.5% and 0.4%, respectively. Several replications in the experiment had produced desirable nano SiO2 products and nano SiO2/NR composites with better properties.
Funded by the Special Fund of Basic Scientific Research of Rubber Research Institute of CATAS and Key Laboratory of Ministry
of Agriculture for Natural Rubber Processing (No. xjszx-13 and No. xjsbywfzx2009-19, 706057) 相似文献
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