block copolymer

noun

Definition of block copolymer 

: a copolymer that is made up of a series of blocks of simpler polymers The Akron polymer system is essentially an extension of a block copolymer of styrene and dienes (e.g., isoprene, butadiene) developed in the early 1960s …Chemical Week

First Known Use of block copolymer

1954, in the meaning defined above

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The first known use of block copolymer was in 1954

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