GAS SEPARATION PROPERTIES;
AROMATIC POLYAMIDES;
POLY(BENZOXAZOLE-CO-IMIDE) MEMBRANES;
TRANSPORT PROPERTIES;
POLYMER MEMBRANES;
POLYIMIDES;
PERMEABILITY;
CONVERSION;
POLYISOPHTHALAMIDES;
PERMSELECTIVITY;
D O I:
10.1021/acs.macromol.7b02460
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 new nucleophilic monomer (2,2-bis(3-amino-4-hydroxyphenyl)adamantane, ADHAB) having bulky adamantane groups has been synthesized following an efficient synthetic methodology. The main target of this work was to employ a high thermal stable bulky cycloaliphatic moiety as adamantane to obtain aromatic ortho-hydroxypolyimides (poly(o-hydroxyimide)s) able to thermally rearrange to give polybenzoxazole (TR-PBO) materials that could be tested as gas separation membranes. Thus, an array of ortho-acetylcopolyimides, o-acetyl PIs) were prepared by reaction of ADHAB and 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (APAF) with 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA) via chemical imidization. Copolyimides and homopolyimides showed inherent viscosities ranging from 0.49 to 0.70 dL/g and provided good-quality dense membranes. Glass transition temperatures of these o-acetyl copolyimides were higher as the amount of ADHAB increased. The thermal stability of the adamantane moiety during the TR process was evaluated by directly synthesizing PBOs, which were made from the reaction, and ulterior thermal cyclization, of 2,2-bis(4-chlorocarbonylphenyl)-hexafluoropropane with ADHAB/APAF. TR-PBO membranes made through a thermal treatment at 450 degrees C for 30 min showed excellent gas separation properties for the CO2/CH4 gas pair with values close to the 2008 Robeson limit.
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Calle, Mariola
Jo, Hye Jin
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Jo, Hye Jin
Doherty, Cara M.
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h-index: 0
机构:
Commonwealth Sci & Ind Res Org CSIRO Mfg Flagship, Clayton, Vic 3169, AustraliaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Doherty, Cara M.
Hill, Anita J.
论文数: 0引用数: 0
h-index: 0
机构:
Commonwealth Sci & Ind Res Org CSIRO Mfg Flagship, Clayton, Vic 3169, AustraliaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Hill, Anita J.
Lee, Young Moo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
机构:
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Calle, Mariola
Chan, Yishee
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Sch Chem Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Chan, Yishee
Jo, Hye Jin
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Jo, Hye Jin
Lee, Young Moo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Calle, Mariola
Jo, Hye Jin
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Jo, Hye Jin
Doherty, Cara M.
论文数: 0引用数: 0
h-index: 0
机构:
Commonwealth Sci & Ind Res Org CSIRO Mfg Flagship, Clayton, Vic 3169, AustraliaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Doherty, Cara M.
Hill, Anita J.
论文数: 0引用数: 0
h-index: 0
机构:
Commonwealth Sci & Ind Res Org CSIRO Mfg Flagship, Clayton, Vic 3169, AustraliaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
Hill, Anita J.
Lee, Young Moo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Coll Engn, Dept Energy Engn, Seoul 133791, South Korea
机构:
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Calle, Mariola
Chan, Yishee
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Sch Chem Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Chan, Yishee
Jo, Hye Jin
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Jo, Hye Jin
Lee, Young Moo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South KoreaHanyang Univ, Sch Chem Engn, Seoul 133791, South Korea