Pitch-based hyper-cross-linked polymers
WebbHyper-cross-linked polymers (HCPs) refer to network poly- mers, which are produced by the intermolecular and intra- molecular crosslinking reaction and exhibit permanent WebbA hyper-cross-linked polymer derived from pitch as an efficient adsorbent for VOCs. ... High Performance Polymers. Vol 34, Issue 8, pp. 928 - 938. Issue published date: …
Pitch-based hyper-cross-linked polymers
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Webb13 feb. 2024 · Hyper-crosslinked polymers are attracting extensive attention owing to their ease of design and synthesis. Based on the flexibility of its molecular design, a hyper-crosslinked polymer with a π-conjugated structure and its derived carbon were synthesized by the Friedel–Crafts reaction. The polymer and its derived hard … Webb23 juni 2024 · HCPs are a class of high surface area amorphous polymers, which can be obtained either from the post-crosslinking of polystyrene-type precursors in their swollen …
Webb3 maj 2024 · Hyper-cross-linked polymers (HCPs) have been attracted widespread attention as adsorbents in recent years. A series of HCPs (HCP-1, HCP-2 and HCP-3) were synthesized via a Friedel-Crafts reaction using low-cross-linked pitch as precursor and … Webb28 maj 2024 · The first low-temperature reaction (at 313 K) offered the polymers plentiful phenolic hydroxyl and the second high-temperature reaction (at 358 K) provided the …
WebbThe cheap and easily obtained pitch was adopted as the raw material to prepare the hyper-cross-linked polymers with the specific surface areas of 560 m 2 /g and the Ni 2+ … Webb15 juli 2024 · The HCPs is a microporous polymer synthesized based on Friedel-Crafts reaction ( Li et al., 2016 ). Functionalized HCPs with abundant surface terminations such as -OH, -S, and -PO 3, make it an ideal material for gas separation and ion immobilization ( Wang et al., 2024 ).
Webb17 dec. 2024 · A series of new hyper-cross-linked porous polymers (HCP-TTDs) were successfully prepared by the Friedel–Crafts alkylation reaction of 1, 1, 1-trimethyl-3, 3, 3-triphenyldisiloxane and ...
WebbHypercrosslinked polymers (HCPs) represent a class of nanoporous materials with a wide range of practical and potential applications such as gas sorption and separation, … is tencent owned by the ccpWebb15 nov. 2024 · Hyper-crosslinking polymers and its immobilized acid ionic liquid catalyst were prepared using cheap pitch, as a monomer, through hyper-crosslinking reactions … is tended a verbWebb17 feb. 2024 · It was found that hyper-cross-linked polymer (HCP) made from the polymerization of 4-vinylbenzyl chloride and divinylbenzene can selectively adsorb 5-hydroxymethylfurfural (5-HMF) and levulinic acid (LA) while showing negligible sugar adsorption in both water and the MSH. is ten chineseWebb12 aug. 2024 · As promising adsorbents in carbon capture and storage, hyper-cross-linked polymers (HCPs) require high CO2 uptake and selectivity over N2 and CH4. Herein, we reported a series of novel carbonyl-incorporated HCPs using oxalyl chloride as a cross-linker. To enhance the CO2 adsorption capacity and gas selectivity, the fabricated HCPs … if y x tan y then dydxWebb28 mars 2024 · Hyper-crosslinked polymers (HCPs) are promising materials for gas capture and storage because of their low cost and easy preparation. In this work, we report the massive preparation of coumarone-indene resin-based hyper-crosslinked polymers via one-step Friedel-Crafts alkylation. if y xx find dy dxWebb25 okt. 2016 · We employed these previously ignored building blocks and prepared hyper-cross-linked polymers (HCPs) with a high surface area via a one-step Friedel-Crafts … is tender and true a good dog foodWebbPitch-based hyper-cross-linked polymers with high performance for gas adsorption Author: Hui Gao, Lei Ding, Hua Bai, Anhua Liu, Sizhong Li, Lei Li Source: Journal of … if y xy+x 2+1 then when x -1 dy/dx is