Conjugated microporous polymers using a copper-catalyzed [4+2] cyclobenzannulation reaction: promising materials for iodine and dye adsorption

被引：40
作者：
Baig, Noorullah [1 ,2 ]
Shetty, Suchetha [1 ,2 ]
Al-Mousawi, Saleh [3 ]
Alameddine, Bassam [1 ,2 ]
机构：
[1] Gulf Univ Sci & Technol, Dept Math & Nat Sci, Kuwait, Kuwait
[2] GUST, Funct Mat Grp CAMB, Kuwait, Kuwait
[3] Kuwait Univ, Dept Chem, Kuwait, Kuwait
来源：
POLYMER CHEMISTRY | 2021年 / 12卷 / 15期
关键词：
DIRECT ARYLATION POLYCONDENSATION; POROUS POLYMERS; OPTICAL-PROPERTIES; HIGHLY EFFICIENT; TRIPTYCENE; COPOLYMERS; OXIDATION; DEGRADATION; PERFORMANCE; PHOTOSENSITIZERS;
D O I：
10.1039/d1py00193k
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A design strategy is disclosed to synthesize conjugated microporous polymers (CMPs) using a versatile copper-catalyzed [4 + 2] cyclobenzannulation reaction, which employs a diphenylethynyl terephthalaldehyde derivative 3 with a series of triptycene-based diethynyl aryl building blocks 2a-e. Investigation of the intrinsic microporosity properties of CBP1-5 using nitrogen adsorption measurements reveals Brunauer-Emmett-Teller (BET) surface areas up to 794 m(2) g(-1) and average pore volumes reaching 0.63 cm(3) g(-1). Inspection of the adsorption properties of the graphitic-like polymers CBP1-5 divulges their high iodine uptake with a maximum of 166 wt%. Moreover, the target polymers CBP1-5 prove their efficiency as selective dye adsorbents by removing up to 100% methylene blue over methyl orange from aqueous solution.
引用
收藏
页码：2282 / 2292
页数：11
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