Studies of Electrochemistry Properties of F ions in Plating Solution for Tin Free Steel

Li, Jianzhong; Wang, Yucheng; Yan-wen, Tian; Tao, Shaohu; Sun, Xiuli

doi:10.6023/a1106103

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“…[6,7] Furthermore, due to the development of polymerization strategies, the molecular weight and skeleton structure of SRPs could be facilely controlled. Thus, SRPs showed great potential in the fields of catalysis, [8,9] chemical separation, [10,11] drug delivery [12] and sensor. [13][14][15] Combination of SRPs and other nanomaterials together could produce new composites, which could not only maintain the characteristics of nanomaterials, but also possess stimuli-responsibility.…”

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confidence: 99%

Thermal and pH Dual Responsive Copolymer and Silver Nanoparticle Composite for Catalytic Application

et al. 2014

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and vinyl imidazole copolymer, P(NIPAM-co-VI), was synthesized by free radical emulsion polymerization. Then, the copolymer and silver nanoparticle composite, P(NIPAM-co-VI)-Ag, was prepared by in situ reduction of AgNO 3 with NaBH 4 . Due to the coexistence of thermal-responsive PNIPAM and pH-responsive PVI, P(NIPAM-co-VI) and P(NIPAM-co-VI)-Ag exhibited both thermal and pH responsibility, their size would change while altering the temperature or pH of the circumvent. Their thermal and pH dual responsive properties were studied by dynamic light scattering (DLS). P(NIPAM-co-VI)-Ag could be stably dispersed in water at a pH range from 3.0 to 9.3, which is favorable to use P(NIPAM-co-VI)-Ag as a catalyst in the reduction reaction of p-nitrophenol. The reaction rate constant (k app ) increased with the decrease of pH or the increase of VI content in the copolymer. Figure 1FT-IR spectra of P(NIPAM-co-VI)-1 and P(NIPAMco-VI)-1-Ag.

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