Abstract
This study deals with acrylonitrile-butadiene-styrene (ABS) which was subjected the drop-weight test before and after temperature and humidity load. ABS is an engineering plastic and also an important engineering terpolymer, which has butadiene part uniformly distributed through the acrylonitrile-styrene matrix and is commonly used in production of automotive interior components. The injection moulded ABS samples were subjected the penetration test at fall height 100 J before and after temperature and humidity load and the results were subsequently evaluated and discussed. It was found out that ABS after temperature and humidity load has lower impact resistance.
Highlights
Acrylonitrile-butadiene-styrene (ABS) is an engineering plastic and an important engineering terpolymer, which has butadiene part uniformly distributed through the acrylonitrile-styrene matrix
Acrylonitrile-styrene copolymer was used since 1940s and the disadvantages of this copolymer led to the incorporation of third monomer namely butadiene rubber, which imparted higher impact resistance and higher strength to this terpolymer
This study is concentrated on comparison ABS before and after temperature and humidity load
Summary
Acrylonitrile-butadiene-styrene (ABS) is an engineering plastic and an important engineering terpolymer, which has butadiene part uniformly distributed through the acrylonitrile-styrene matrix. The scientists from China dealt with the influence of polybutadiene-grafted styrene-acrylonitrile (PB-g-SAN) impact modifiers content on mechanical behaviour and morphology of ABS blends. They found out a big influence of PB-g-SAN content on impact strength, the higher PB-g-SAN content, the higher impact strength is, unlike the flexural strength, flexural modulus, melt flow index, tensile strength, and Rockwell hardness decrease with the increase of PB-g-SAN content [4]. Cooperation of Chinese and Canadian scientists has brought interesting results These scientists dealt with ABS blends with a constant rubber concentration of 15 wt% compounded with polybutadiene-grafted styreneacrylonitrile (PBD-g-SAN) impact modifiers with SAN resin in a twin-screw extruder.
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