私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

當前位置:> 首頁 > 論文著作 > 正文
Silica-g-Poly[2-(N,N-dimethyl amino) ethyl methacrylate] Hybrid Nanospheres as Stabilizer for Metallic Nanocolloids
作者:Bin Liu, Shuxuan Sun, Zhenbo Gao, Guomin Bian, Yonglin Qi, Xinlin Yang* and Chenxi Li
關鍵字:Silica-g-PDMAEMA hybrid microspheres; Functional polymer brush; Stabilized-metallic nanocolloids.
論文來源:期刊
具體來源:Colloid Surf A 456 (1), 195-202 (2014). DOI: 10.1016/j.colsurfa.2014.05.037
發表時間:2014年

The silica-g-poly[2-(N,N-dimethyl amino)ethyl methacrylate] (SiO2-g-PDMAEMA) hybrid microspheres with polymer brushes were synthesized by the surface-grafted atom transfer radical polymerization (ATRP) from the surface alkyl bromide functionalized silica nanospheres. The inorganic nanosphere as surface-initiating polymerization site was prepared by the amide reaction of 2-bromoisobutyryl bromide with the surface amino group of silica via modification with (3-aminopropyl) trimethoxysilane (APS). The grafted PDMEMA brushes stabilized metallic nanocolloids (silver, and palladium) were prepared by the in-situ reduction of the inorganic salt precursors (AgNO3, and PdCl2) through the coordination effect of the amino groups to the metallic atom (Au, Ag). The catalytic properties of PDMAEMA brush-stabilized silver and palladium metallic nanocolloids were investigated via the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AnP) by sodium borohydride (NaBH4) as a model reaction. The resultant hybrid microspheres were characterized by transmission electron microscopy (TEM), thermal gravimetric analyzer (TGA).

主站蜘蛛池模板: 浙江省| 丹江口市| 陈巴尔虎旗| 杭锦旗| 神农架林区| 忻州市| 湖口县| 莱州市| 舟曲县| 鄂托克旗| 远安县| 宁海县| 胶南市| 平遥县| 新和县| 宁阳县| 天柱县| 巩义市| 从江县| 民和| 临武县| 额敏县| 泗阳县| 茌平县| 收藏| 乌鲁木齐县| 西城区| 富锦市| 慈溪市| 克什克腾旗| 尉氏县| 海门市| 湖州市| 阳原县| 忻州市| 阿坝县| 惠来县| 宝应县| 久治县| 黄石市| 巴林右旗|