Preparation of mechanoresponsive hairy particles using polymeric surfactants in emulsion polymerization

Hui Li; Yuyu Zhang; Yibin Liu; Rint P. Sijbesma; Johan P.A. Heuts; Qiuyu Zhang

doi:10.1039/c7py00468k

Preparation of mechanoresponsive hairy particles using polymeric surfactants in emulsion polymerization

Hui Li, Yuyu Zhang, Yibin Liu, Rint P. Sijbesma, Johan P.A. Heuts, Qiuyu Zhang

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We demonstrate that diblock copolymers comprising hydrophobic polystyrene and hydrophilic poly(acrylic acid) blocks connected by an off-center anthracene-maleimide Diels-Alder adduct mechanophore are mechanochemically active when sonicated in the form of micelles. Non-crosslinked and crosslinked hairy poly(butyl acrylate) latex particles were synthesized using amphiphilic block copolymers as stabilizers in emulsion polymerization. Both non-crosslinked and crosslinked hairy particles can be mechanically activated by sonication, which means that the "hairs" on the surface of particles can be selectively cleaved. The sensitivity to mechanical force enhanced with increasing crosslinking of the PBA particles, but it may also lead to particle degradation. The mechanoresponsive hairy latex particles may facilitate the design of stress-sensing probes in aqueous systems.

Original language	English
Pages (from-to)	3971-3976
Number of pages	6
Journal	Polymer Chemistry
Volume	8
Issue number	27
DOIs	https://doi.org/10.1039/c7py00468k
State	Published - 21 Jul 2017

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abstract = "We demonstrate that diblock copolymers comprising hydrophobic polystyrene and hydrophilic poly(acrylic acid) blocks connected by an off-center anthracene-maleimide Diels-Alder adduct mechanophore are mechanochemically active when sonicated in the form of micelles. Non-crosslinked and crosslinked hairy poly(butyl acrylate) latex particles were synthesized using amphiphilic block copolymers as stabilizers in emulsion polymerization. Both non-crosslinked and crosslinked hairy particles can be mechanically activated by sonication, which means that the {"}hairs{"} on the surface of particles can be selectively cleaved. The sensitivity to mechanical force enhanced with increasing crosslinking of the PBA particles, but it may also lead to particle degradation. The mechanoresponsive hairy latex particles may facilitate the design of stress-sensing probes in aqueous systems.",

author = "Hui Li and Yuyu Zhang and Yibin Liu and Sijbesma, {Rint P.} and Heuts, {Johan P.A.} and Qiuyu Zhang",

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T1 - Preparation of mechanoresponsive hairy particles using polymeric surfactants in emulsion polymerization

AU - Li, Hui

AU - Zhang, Yuyu

AU - Liu, Yibin

AU - Sijbesma, Rint P.

AU - Heuts, Johan P.A.

AU - Zhang, Qiuyu

PY - 2017/7/21

Y1 - 2017/7/21

N2 - We demonstrate that diblock copolymers comprising hydrophobic polystyrene and hydrophilic poly(acrylic acid) blocks connected by an off-center anthracene-maleimide Diels-Alder adduct mechanophore are mechanochemically active when sonicated in the form of micelles. Non-crosslinked and crosslinked hairy poly(butyl acrylate) latex particles were synthesized using amphiphilic block copolymers as stabilizers in emulsion polymerization. Both non-crosslinked and crosslinked hairy particles can be mechanically activated by sonication, which means that the "hairs" on the surface of particles can be selectively cleaved. The sensitivity to mechanical force enhanced with increasing crosslinking of the PBA particles, but it may also lead to particle degradation. The mechanoresponsive hairy latex particles may facilitate the design of stress-sensing probes in aqueous systems.

AB - We demonstrate that diblock copolymers comprising hydrophobic polystyrene and hydrophilic poly(acrylic acid) blocks connected by an off-center anthracene-maleimide Diels-Alder adduct mechanophore are mechanochemically active when sonicated in the form of micelles. Non-crosslinked and crosslinked hairy poly(butyl acrylate) latex particles were synthesized using amphiphilic block copolymers as stabilizers in emulsion polymerization. Both non-crosslinked and crosslinked hairy particles can be mechanically activated by sonication, which means that the "hairs" on the surface of particles can be selectively cleaved. The sensitivity to mechanical force enhanced with increasing crosslinking of the PBA particles, but it may also lead to particle degradation. The mechanoresponsive hairy latex particles may facilitate the design of stress-sensing probes in aqueous systems.

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U2 - 10.1039/c7py00468k

DO - 10.1039/c7py00468k

M3 - 文章

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SN - 1759-9954

VL - 8

SP - 3971

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JO - Polymer Chemistry

JF - Polymer Chemistry

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ER -

Preparation of mechanoresponsive hairy particles using polymeric surfactants in emulsion polymerization

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