Surface Treatment of Cellulose Fibers with Methylmethacrylate for Enhanced Properties of in situ Polymerized PMMA/Cellulose Composites

被引：26

作者：

Banerjee, Moloy ^{[1
]}

Sain, Sunanda ^{[1
]}

Mukhopadhyay, Anirudhha ^{[2
]}

Sengupta, Suparna ^{[3
]}

Kar, Tanusree ^{[4
]}

Ray, Dipa ^{[1
]}

机构：

[1] Univ Calcutta, Dept Polymer Sci & Technol, Kolkata 700009, India

[2] Univ Calcutta, Dept Environm Sci, Kolkata 700019, India

[3] Calcutta Inst Engn & Management, Dept Basic Sci Humanities & Social Sci, Kolkata 700040, India

[4] Indian Assoc Cultivat Sci, Dept Mat Sci, Kolkata 700032, India

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2014年 / 131卷 / 02期

关键词：

fibers; thermogravimetric analysis (TGA); mechanical properties; THERMAL-DEGRADATION; NANOCOMPOSITES; NANOCRYSTALS;

D O I：

10.1002/app.39808

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Cellulose micro/nanofibers (CNF), prepared from jute fibers were surface treated with methyl methacrylate (MMA) for better dispersion into poly methyl methacrylate (PMMA) matrix. PMMA/cellulose composites were prepared by in situ suspension polymerization technique. The surface treatment of CNF was confirmed by Fourier transform infrared spectroscopy (FTIR) and Nuclear magnetic resonance (NMR) analysis. MMA-treated cellulose micro/nanofibers (MCNF) demonstrated improved affinity and dispersion in MMA monomer as well as in the PMMA/cellulose composites. Thermal properties of the cellulose composites were analyzed by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The glass transition temperature (T-g) of PMMA increased by nearly 19 degrees C in the in situ cellulose composites compared to that of unreinforced PMMA as indicated by DSC. TGA showed increased thermal stability of the cellulose composites. Enhanced tensile properties as well as significantly lower moisture uptake were observed in the in situ prepared PMMA/cellulose composites. (C) 2013 Wiley Periodicals, Inc.

引用

页数：9

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