Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 2, Pages 600-603Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja511581w
Keywords
-
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2014-R1A1A1004941]
- Dow Chemical Co.
- National Science Foundation [DMR-1006370]
- NSF
- E.I. DuPont de Nemours Co.
- Northwestern University
- U.S. DOE [DE-AC02-06CH11357]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1006370] Funding Source: National Science Foundation
- National Research Foundation of Korea [2014R1A1A1004941, 10Z20130012893] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ask authors/readers for more resources
We report synthesis of hierarchically porous polymers (HPPs) consisting of micropores and well-defined 3D continuous mesopores by combination of hyper-cross-linking and block polymer self-assembly. Copolymerization of 4-vinylbenzyl chloride (VBzCl) with divinylbenzene (DVB) in the presence of polylactide (PLA) macro-chain-transfer agent produced a cross-linked block polymer precursor PLA-b-P(VBzCl-co-DVB) via reversible addition-fragmentation chain transfer polymerization. A nanoscopic bicontinuous morphology containing PLA and P(VBzCl-co-DVB) microdomains was obtained as a result of polymerization-induced microphase separation. While a basic treatment of the precursor selectively removed PLA to yield a reticulated mesoporous polymer, hyper-cross-linking of the precursor by FeCl3 generated micropores in the P(VBzCl-co-DVB) microdomain via Friedel-Crafts alkylation and simultaneously degraded PLA to produce the HPP containing micropores in the mesoporous framework. The mesopore size of the HPP could be precisely controlled from 6 to 15 nm by controlling the molar mass of PLA. We demonstrate acceleration in adsorption rate in the HPP compared to a hyper-cross-linked microporous polymer.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available