Hybrid nanoporous polystyrene derived from cubic octavinylsilsesquioxane and commercial polystyrene via the Friedel–Crafts reaction

Wu, Yue; Li, Liguo; Yang, Wenyan; Feng, Shengyu; Liu, Hongzhi

doi:10.1039/c4ra14830d

Cited by 22 publications

(21 citation statements)

References 52 publications

(107 reference statements)

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“…Two peaks appeared at 17.8 and 38.6 ppm, corresponding to the methylene carbons of Si‐ C H 2 ‐CH 2 ‐Fc or Si‐CH 2 ‐ C H 2 ‐Fc, respectively; the peaks at 49.5 and 12.8 ppm should be assigned to the methine carbon of Si‐ C H(CH 3 )‐Fc and methyl carbon of Si‐CH( C H 3 )‐Fc, respectively. This result indicated that the generation of regioisomers occurred in the Friedel–Crafts reaction . The most intense peak at 68.1 ppm was ascribed to the signal of the dicyclopentadienyl carbons, indicating the successful introduction of ferrocene units into the network .…”

Section: Resultsmentioning

confidence: 88%

Ferrocene‐Functionalized Silsesquioxane‐Based Porous Polymer for Efficient Removal of Dyes and Heavy Metal Ions

Yang

Liu

2018

Chemistry A European J

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A novel ferrocene-linked organic-inorganic hybrid porous polymer has been successfully prepared by Friedel-Crafts reaction of octavinylsilsesquioxane and ferrocene. The relationship of structure/property was investigated by FTIR, NMR, XRD, Brunauer-Emmett-Teller (BET) etc. The obtained porous polymer exhibited a high surface area of 1015 m g and a hierarchical pore structure. It could be applied to wastewater treatment with the absorption capacity of up to 1683 mg g for Congo red (CR), 1083 mg g for crystal violet (CV), 1003 mg g for rhodamine B (RB), 441 mg g for methylene blue (MB), 191 mg g for Hg , and 328 mg g for Pb . Remarkably, it could be easily regenerated and the removal efficiency remains almost constant even after six cycles.

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Section: Resultsmentioning

confidence: 88%

Ferrocene‐Functionalized Silsesquioxane‐Based Porous Polymer for Efficient Removal of Dyes and Heavy Metal Ions

Yang

Liu

2018

Chemistry A European J

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“…These porous polymers possessed good thermal stability and exhibited high thermal decomposition temperature. 32,37,48 The crystallographic order of these hybrid porous polymers was investigated by powder X-ray diffraction (PXRD) analysis. 6), which were signicantly higher than those of OVS, TPP and TPPO.…”

Section: Thermal Stability and Morphologymentioning

confidence: 99%

Construction of bimodal silsesquioxane-based porous materials from triphenylphosphine or triphenylphosphine oxide and their size-selective absorption for dye molecules

Shen

Liu

2016

RSC Adv.

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Two novel hybrid porous polymers were easily prepared by the Friedel-Crafts reaction of octavinylsilsesquioxane with triphenylphosphine and triphenylphosphine oxide, respectively. They possessed unique bimodal pores with uniform micropores and mesopores centered at 1.5 nm and 3.7 nm, respectively, high surface areas up to 1105 m 2 g À1 , high thermal stability and an excellent sizeselective adsorption for dyes. These hybrid porous polymers are very promising in dye separation, water purification and treatment.

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“…POSS crosslinks might dominate in the resulting polymer networks when Vinyl‐POSS acts as the host, which leads to large surface area and the pore volume. The observed variations in surface area and the pore volume are consistent with a recent report …”

Section: Resultsmentioning

confidence: 99%

Porous NIR Photoluminescent Silicon Nanocrystals‐POSS Composites

Chen

Sun

Qian

et al. 2016

Adv Funct Materials

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Near infrared photoluminescent porous silicon nanocrystals(ncSi)‐polyhedral oligomeric silsesquioxanes (POSS) polymer composites are synthesized using a combination of thermal hydrosilylation and polymerization between Vinyl‐POSS and hydrogen‐terminated silicon nanocrystals (ncSi:H). The synthesized materials are characterized by IR, powder X‐ray diffraction and solid‐state nuclear magnetic resonance (NMR) (13C and 29Si). The results demonstrate that the hydrosilylation–polymerization reaction proceeded to create chemically crosslinked Vinyl‐POSS‐ncSi composites in which the integrity of the POSS cages is maintained intact. Scanning electron microscope (SEM) results demonstrate that morphology of these materials depends on the weight ratio of ncSi:H to Vinyl‐POSS. Brunauer–Emmett–Teller surface area analyses establish that the composites have high surface areas ranging from 290.5 to 1047.2 m2 g−1 and pore volumes from 0.64 to 1.17 cm3 g−1. The pore sizes range from 6.08 to 3.54 nm and are dependent on the weight ratio of Vinyl‐POSS to ncSi:H. Photoluminescence spectroscopy shows that the absolute quantum yield of the nanocomposites is not affected by the weight ratio of ncSi:H to Vinyl‐POSS. Thermal gravimetric analysis results show that the POSS polymer composites with ncSi have lower thermal stability in nitrogen atmosphere as compared with the pure Vinyl‐POSS polymer. It is envisioned that future applications for these composites will likely be found in the fields of advanced materials, gas adsorption media, and biomedicine.

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Hybrid nanoporous polystyrene derived from cubic octavinylsilsesquioxane and commercial polystyrene via the Friedel–Crafts reaction

Cited by 22 publications

References 52 publications

Ferrocene‐Functionalized Silsesquioxane‐Based Porous Polymer for Efficient Removal of Dyes and Heavy Metal Ions

Ferrocene‐Functionalized Silsesquioxane‐Based Porous Polymer for Efficient Removal of Dyes and Heavy Metal Ions

Construction of bimodal silsesquioxane-based porous materials from triphenylphosphine or triphenylphosphine oxide and their size-selective absorption for dye molecules

Porous NIR Photoluminescent Silicon Nanocrystals‐POSS Composites

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