The Effect of Acrylonitrile Concentration on Starch Grafted Acrylonitrile (ANS) stability in Carboxylated Nitrile Butadiene Rubber (XNBR) Latex

被引：7

作者：

Misman, M. A. ^{[1
]}

Azura, A. R. ^{[1
]}

Hamid, Z. A. A. ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Engn Campus, Nibong Tebal 14300, Penang, Malaysia

来源：

5TH INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN MATERIALS, MINERALS AND ENVIRONMENT (RAMM) & 2ND INTERNATIONAL POSTGRADUATE CONFERENCE ON MATERIALS, MINERAL AND POLYMER (MAMIP) | 2016年 / 19卷

关键词：

Sago starch; carboxylated nitrile butadiene rubber (XNBR) latex; acrylonitrile; grafting; zeta potential; degree of substitution; FILMS;

D O I：

10.1016/j.proche.2016.03.083

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sago powder was grafted with acrylonitrile monomer in portion of 0.5, 1.5, 3.0, and 5.0 mol/AGU. The final amino-functional starch (ANS) was characterized by Fourier Transform Infrared (FTIR) analysis to observe the emerging of several significant peaks to verify the grafted cyano-(CN-) functional group. The degree of substitution (DS) and particle's stability of the ANS was determined by elemental and zeta potential analysis respectively. The relative DS of the acrylonitrile grafted onto starch with respect to the particle surface area indicated that, as the concentration of acrylonitrile increased, the degree of substitution / surface area (DS/ SA) also increased. The process also reduced the particle size as the concentration of acrylonitrile increased. The optimum concentration obtained was 3.0 mol/ AGU which shows strong band at wavenumber 2422 cm(- 1) representing the presence of high cyano (CN-) functional group in ANS as compared with other types of ANS. (C) 2016 The Authors. Published by Elsevier B.V.

引用

页码：770 / 775

页数：6

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