Visible Light-Induced Grafting from Polyolefins

被引：54

作者：

Ciftci, Mustafa ^{[1
]}

Batat, Pinar ^{[2
]}

Demirel, A. Levent ^{[2
]}

Xu, Guangjuan ^{[3
]}

Buchmeiser, Michael ^{[3
,4
]}

Yagci, Yusuf ^{[1
,5
,6
]}

机构：

[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey

[2] Koc Univ, Dept Chem, TR-34450 Istanbul, Turkey

[3] Univ Stuttgart, Inst Polymer Chem, D-70569 Stuttgart, Germany

[4] Inst Text Chem & Chem Fibers, D-73770 Denkendorf, Germany

[5] King Abdulaziz Univ, Ctr Excellence Adv Mat Res CEAMR, Jeddah 21589, Saudi Arabia

[6] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 21589, Saudi Arabia

来源：

MACROMOLECULES | 2013年 / 46卷 / 16期

关键词：

FREE-RADICAL POLYMERIZATION; PHOTOINDUCED ELECTRON-TRANSFER; IN-SITU SYNTHESIS; HYPERBRANCHED POLY(ACRYLIC ACID); SILVER-EPOXY NANOCOMPOSITES; BLOCK-COPOLYMERS; CATIONIC-POLYMERIZATION; MANGANESE CARBONYL; METHYL ACRYLATE; VINYL POLYMERIZATION;

D O I：

10.1021/ma401431h

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polyethylene-graft-poly(tert-butylacrylate) (PE-g-PtBA) copolymers were prepared by using a combination of ring-opening metathesis polymerization (ROMP), hydrobromination, and visible light-induced free radical polymerization. First, cis-cyclooctene was polymerized via ROMP in the presence of a chain transfer agent and quantitatively hydrobrominated. Poly-(tert-butyl acrylate) (PtBA) chains were then grown via a grafting from approach from the Br-substituted linear poly(ethylene) (PE) backbone using dimanganese decacarbonyl (Mn-2(CO)(10)) under visible light. The effect of Mn-2(CO)(10) concentration and irradiation time on the grafting density and efficiency was evaluated. The tert-butyl acrylate (tBA) esters of the graft copolymers were hydrolyzed into acrylic acid functionalities by acidolysis to obtain hydrophilic polyolefins. The precursor polymer, graft copolymer, and hydrolyzed polymer were characterized by H-1 and C-13 NMR, Fourier transform infrared, atomic force microscopy, and contact angle measurements.

引用

页码：6395 / 6401

页数：7

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