Block Copolymer is the second product category in Regal Petrochemical plant. In block copolymers, the ethylene content is much higher than random copolymers. The copolymerized part of the material is rubbery and forms a separate dispersed phase within the PP matrix. As a result, block copolymerized PP is much tougher than homopolymerized PP and can withstand higher impact even at low temperatures but at the expense of transparency and softening points. The main applications of block copolymerized PP are similar to those of elastomer-modified PP but where the impact property requirement is not that critical. Block compolyers are primarily used in injection molding parts for appliances, housewares, luggage, outdoor furniture and automotive applications. Other applications include extruded sheeting and substitutions of super impact grades for engineering thermoplastics such as ABS. Extruded sheets can be thermoformed into large, thick parts such as fender and trunk liners for automotive applications or into small, odd-shaped parts such as food containers for freezer-to-microwave use.
List of products in the Block Copolymer
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