Polymerization-induced self-assembly of metallo-polyelectrolyte block copolymers

Md Anisur Rahman; Yujin Cha; Liang Yuan; Parasmani Pageni; Tianyu Zhu; Moumita Sharmin Jui; Chuanbing Tang

doi:10.1002/pola.29439

Polymerization-induced self-assembly of metallo-polyelectrolyte block copolymers

Md Anisur Rahman, Yujin Cha, Liang Yuan, Parasmani Pageni, Tianyu Zhu, Moumita Sharmin Jui, Chuanbing Tang

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

13 Scopus citations

Abstract

Cobaltocenium-containing polyelectrolyte block copolymer nanoparticles were prepared via polymerization-induced self-assembly (PISA) using aqueous dispersion RAFT polymerization. The cationic steric stabilizer was a macromolecular chain-transfer agent (macro-CTA) based on poly(2-cobaltocenium amidoethyl methacrylate chloride) (PCoAEMACl), and the core-forming block was poly(2-hydroxypropyl methacrylate) (PHPMA). Stable cationic spherical nanoparticles were formed in aqueous solution with low dispersity without adding any salts. The chain extension of macro-CTA with HPMA was efficient and fast. The effects of block copolymer compositions, solid content, charge density, and addition of salts were studied. It was found that the degree of polymerization of both the stabilizer PCoAEMACl and the core-forming PHPMA had a strong influence on the size of nanoparticles.

Original language	English
Pages (from-to)	77-83
Number of pages	7
Journal	Journal of Polymer Science
Volume	58
Issue number	1
DOIs	https://doi.org/10.1002/pola.29439
State	Published - Jan 1 2020
Externally published	Yes

Funding

This work was supported in part by the National Science Foundation EPSCoR Program under NSF Award # OIA‐1655740. The partial support from National Institutes of Health (R01AI120987) is also acknowledged.

Funders	Funder number
National Science Foundation	1655740, OIA‐1655740
National Institutes of Health	R01AI120987

Keywords

block copolymer
metallopolymer
polyelectrolyte
self-assembly

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10.1002/pola.29439

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abstract = "Cobaltocenium-containing polyelectrolyte block copolymer nanoparticles were prepared via polymerization-induced self-assembly (PISA) using aqueous dispersion RAFT polymerization. The cationic steric stabilizer was a macromolecular chain-transfer agent (macro-CTA) based on poly(2-cobaltocenium amidoethyl methacrylate chloride) (PCoAEMACl), and the core-forming block was poly(2-hydroxypropyl methacrylate) (PHPMA). Stable cationic spherical nanoparticles were formed in aqueous solution with low dispersity without adding any salts. The chain extension of macro-CTA with HPMA was efficient and fast. The effects of block copolymer compositions, solid content, charge density, and addition of salts were studied. It was found that the degree of polymerization of both the stabilizer PCoAEMACl and the core-forming PHPMA had a strong influence on the size of nanoparticles.",

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AU - Rahman, Md Anisur

AU - Cha, Yujin

AU - Yuan, Liang

AU - Pageni, Parasmani

AU - Zhu, Tianyu

AU - Jui, Moumita Sharmin

AU - Tang, Chuanbing

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Y1 - 2020/1/1

N2 - Cobaltocenium-containing polyelectrolyte block copolymer nanoparticles were prepared via polymerization-induced self-assembly (PISA) using aqueous dispersion RAFT polymerization. The cationic steric stabilizer was a macromolecular chain-transfer agent (macro-CTA) based on poly(2-cobaltocenium amidoethyl methacrylate chloride) (PCoAEMACl), and the core-forming block was poly(2-hydroxypropyl methacrylate) (PHPMA). Stable cationic spherical nanoparticles were formed in aqueous solution with low dispersity without adding any salts. The chain extension of macro-CTA with HPMA was efficient and fast. The effects of block copolymer compositions, solid content, charge density, and addition of salts were studied. It was found that the degree of polymerization of both the stabilizer PCoAEMACl and the core-forming PHPMA had a strong influence on the size of nanoparticles.

AB - Cobaltocenium-containing polyelectrolyte block copolymer nanoparticles were prepared via polymerization-induced self-assembly (PISA) using aqueous dispersion RAFT polymerization. The cationic steric stabilizer was a macromolecular chain-transfer agent (macro-CTA) based on poly(2-cobaltocenium amidoethyl methacrylate chloride) (PCoAEMACl), and the core-forming block was poly(2-hydroxypropyl methacrylate) (PHPMA). Stable cationic spherical nanoparticles were formed in aqueous solution with low dispersity without adding any salts. The chain extension of macro-CTA with HPMA was efficient and fast. The effects of block copolymer compositions, solid content, charge density, and addition of salts were studied. It was found that the degree of polymerization of both the stabilizer PCoAEMACl and the core-forming PHPMA had a strong influence on the size of nanoparticles.

KW - block copolymer

KW - metallopolymer

KW - polyelectrolyte

KW - self-assembly

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ER -

Polymerization-induced self-assembly of metallo-polyelectrolyte block copolymers

Abstract

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Keywords

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