New Developments in Block Copolymer Applications
During the last ten years, block copolymers have developed into important commercial materials. Most commercial applications have been based on polymers which have alternating blocks of hard and rubberlike materials, such as poly(styrene-b-butadiene-b-styrene) (S-B-S) and poly(styrene-b-isoprene-b-styrene) (S-I-S). These polymers are thermoplastic elastomers, that is, they can be molded like thermoplastics to give products similar in many properties to normal vulcanizates. Also, they can be dissolved in common solvents and applied as solutions. When the solvent evaporates, the polymer regains its physical properties.
KeywordsBlock Copolymer Solubility Parameter Thermoplastic Elastomer Irganox 1010 Shell Chemical
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