Preparation of PMMA-b-PSt Block Copolymer via Seeded Emulsion Polymerization in the Presence of 1,1-Diphenylethylene

被引：3

作者：

Zhao, Minjian ^{[1
]}

Shi, Yan ^{[1
]}

Fu, Zhifeng ^{[1
]}

Yang, Wantai ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

MACROMOLECULAR REACTION ENGINEERING | 2014年 / 8卷 / 08期

关键词：

block copolymer; controlled/living free polymerization; 1,1-diphenylethylene; seeded emulsion polymerization; MEDIATED RADICAL POLYMERIZATION; MOLECULAR-WEIGHT DISTRIBUTIONS; STRUCTURAL CONTROL; NANOPARTICLES; PARTICLES; ACID; MMA;

D O I：

10.1002/mren.201300174

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Poly(methyl methacrylate)-b-poly(styrene) (PMMA-b-PSt) block copolymer is synthesized successfully via seeded emulsion polymerization in the presence of 1,1-diphenylethylene (DPE). First, emulsion polymerization of MMA is carried out with KPS as initiator in the presence of DPE, giving a DPE-containing PMMA precursor with the ability of reactivation by simply heating. The emulsion polymerization behavior of MMA in the presence of DPE is investigated. The second monomer styrene (St) is then polymerized in PMMA seed emulsion and the block copolymer is successfully obtained. The formation of PMMA-b-PSt block copolymer is confirmed by H-1 NMR and gel permeation chromatography. Dynamic light scattering is used to monitor the particle diameters, and suggests that the particles grow without secondary nucleation occurring.

引用

页码：555 / 563

页数：9

共 18 条

[1] Polymerization Mechanism in the Presence of 1,1-Diphenylethylene Part 2: Synthesis and Characterization of PMA and PSt
Zhao, Minjian
Fu, Zhifeng
Shi, Yan
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MACROMOLECULAR CHEMISTRY AND PHYSICS, 2015, 216 (22) : 2202 - 2210
[2] Polymerization Mechanism of MMA in the Presence of 1,1-Diphenylethylene
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[4] Anionic synthesis of block copolymer brushes grafted from a 1,1-diphenylethylene monolayer
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[9] Convenient synthesis and morphology of latex particles composed of poly (methyl methacrylate)-b-poly (n-butyl acrylate) by 1, 1-diphenylethylene (DPE) seeded emulsion polymerization
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[10] Preparation and characterization of PST and PMMA nanocomposite with emulsion polymerization via reversible addition-fragmentation chain transfer agent
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