Surface-grafting of ground rubber tire by poly acrylic acid via self-initiated free radical polymerization and composites with epoxy thereof

被引：16
作者：
Yagneswaran, Sriram [1 ,2 ]
Storer, William J. [1 ,2 ]
Tomar, Neetu [3 ,4 ]
Chaur, Manuel N. [3 ,4 ]
Echegoyen, Luis [3 ,4 ]
Smith, Dennis W., Jr. [1 ,2 ]
机构：
[1] Univ Texas Dallas, Dept Chem, Richardson, TX 75080 USA
[2] Univ Texas Dallas, Alan G MacDiarmid Nanotech Inst, Richardson, TX 75080 USA
[3] Clemson Univ, Dept Chem, Sch Mat Sci & Engn, Clemson, SC 29634 USA
[4] Clemson Univ, Ctr Opt Mat Sci & Engn Technol COMSET, Clemson, SC 29634 USA
来源：
POLYMER COMPOSITES | 2013年 / 34卷 / 05期
关键词：
WASTE; PARTICLES; POWDER;
D O I：
10.1002/pc.22484
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Commercially available recycled ground rubber tire (GRT) particles, found to contain persistent mechano-free radicals confirmed by electron paramagnetic spectroscopy for the first time self-initiates free radical polymerization of acrylic acid (AA). The poly acrylic acid (PAA) grafted GRT (PAA-g-GRT) was confirmed by Attenuated Total Reflection Fourier Transform Infrared spectroscopy, X-ray photoelectron spectroscopy, and thermogravimetric analysis (TGA). Epoxy composites using the PAA-g-GRT as filler were prepared and their mechanical properties were studied. The PAA-g-GRT/epoxy composite showed higher mechanical properties with an increase of modulus up to 180% as compared with the neat GRT/epoxy composite. Surface morphology of GRT, neat GRT/epoxy, and PAA-g-GRT/epoxy composites were analyzed by scanning electron microscopy. This technology introduces a new concept to functional and reactive recycling and the cost effective utilization of renewable resource green materials. POLYM. COMPOS., 2013. (c) 2013 Society of Plastics Engineers
引用
收藏
页码：769 / 777
页数：9
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