Effects of Cure Characteristics, Mechanical and Morphological Properties of Styrene Butadiene Rubber/Recycled Chloroprene Rubber (SBR/CRr) Blends

被引：0
|
作者：
Azmi, Ahmad Azrem [1 ]
Zulkepli, Nik Noriman [1 ]
Nordin, Muhammad Razif [2 ]
Abdullah, Mohd Mustafa Al Bakri [1 ]
Sandu, Ion [3 ]
Salleh, Mohd Arif Anuar Mohd [1 ]
Hanafi, Ismail [4 ]
机构：
[1] Univ Malaysia Perlis, Sch Mat Engn, Ctr Excellence Geopolymer & Green Technol CEGeoGT, Arau 02600, Perlis, Malaysia
[2] Univ Teknol MARA, Fac Sci Appl, Appl Chem Div, Arau 02600, Perlis, Malaysia
[3] Alexandru Ioan Cuza Univ, Iasi 700506, Romania
[4] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Nibong Tebal 14300, Penang, Malaysia
来源：
MATERIALE PLASTICE | 2013年 / 50卷 / 03期
关键词：
chloroprene rubber; recycled chloroprene rubber; styrene butadiene rubber; tensile properties; SEM; NATURAL-RUBBER; RECLAMATION; POWDER;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of tensile and morphological properties of styrene butadiene rubber/virgin chloroprene rubber blends (SBR/CRv) and styrene butadiene rubber/recycled chloroprene rubber blends (SBR/CRr) were investigated. The range size of CRr used in this study was 0.3 - 0.7 mm. Both SBR/CRv blends and SBR/CRr blends were prepared using two roll mill at room temperature with blend ratios 95/5, 85/15, 75/25, 65/35 and 50/50. It can be observed that, cure characteristics of SBR/CRr blends have lower cure time, t(90) than SBR/CRv blends. SBR/CRr blends showed higher scorch time, t(2) and minimum torque (ML) compared-to SBR/CRv blends at all blend ratios compared with the SBR/CRv blends. However, maximum torque (MH) of SBR/CRr blends exhibit the opposite trend compared with the SBR/CRv blends. It can be observed that, the tensile strength and elongation at break of SBR/CRr blends show higher value than SBR/CRv blends particularly up to 15 phr of CRr in the blends. However, SBR/CRr blends shows higher value of tensile modulus (M100) than SBR/CRv blends at all blend ratios. The scanning electron microscopy (SEM) of tensile fracture surface of SBR/CRr blends at 50 blend ratios illustrated a better adhesion and dispersion in comparison with SBR/CRv blends.
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页码：175 / 178
页数：4
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