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Data for Heterotelechelic homopolymers mimicking high χ – ultralow N block copolymers with sub-2 nm domain size
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Hancox, Ellis, Haddleton, David M., Topham, Paul D., Al-Shok, Lucas, Huband, Steven, Town, James, Greenall, Martin and Derry, Matthew J. (2022) Data for Heterotelechelic homopolymers mimicking high χ – ultralow N block copolymers with sub-2 nm domain size. [Dataset]
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Official URL: http://wrap.warwick.ac.uk/163791/
Abstract
Three fluorinated, hydrophobic initiators have been utilised for the synthesis of low molecular mass fluoro-poly(acrylic acid) heterotelechelic homopolymers to mimic high chi (χ)–low N diblock copolymers with ultrafine domains of sub-2 nm length scale. Polymers were obtained by a simple photoinduced copper(II)-mediated reversible-deactivation radical polymerisation (Cu-RDRP) affording low molecular mass (<3 kDa) and low dispersity (Đ = 1.04 – 1.21) homopolymers. Heating/cooling ramps were performed on bulk samples (ca. 250 µm thick) to obtain thermodynamically stable nanomorpologies of lamellar (LAM) or hexagonally packed cylinders (HEX), as deduced by small-angle X-ray scattering (SAXS). Construction of the experimental phase diagram alongside a detailed theoretical model demonstrated typical rod-coil block copolymer phase behaviour for these fluoro-poly(acrylic acid) homopolymers, where the fluorinated initiator-derived segment acts as a rod and the poly(acrylic acid) as a coil. This work reveals that these telechelic homopolymers mimic high χ-ultralow N diblock copolymers and enables reproducible targeting of nanomorphologies with incredibly small, tunable domain size.
Item Type: | Dataset | ||||||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||||
Type of Data: | experimental data | ||||||||||||
Library of Congress Subject Headings (LCSH): | Telechelic polymers, Biopolymers, Block copolymers | ||||||||||||
Publisher: | University of Warwick, Department of Chemistry | ||||||||||||
Official Date: | 30 June 2022 | ||||||||||||
Dates: |
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Status: | Not Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Media of Output (format): | OPJU File, ESP file, .DAT | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Copyright Holders: | University of Warwick | ||||||||||||
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Date of first compliant deposit: | 15 March 2022 | ||||||||||||
Date of first compliant Open Access: | 30 June 2022 | ||||||||||||
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