block copolymer


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Related to block copolymer: random copolymer, Heteropolymer

block copolymer

[′bläk kō′päl·ə·mər]
(organic chemistry)
A copolymer in which the like monomer units occur in relatively long alternate sequences on a chain. Also known as block polymer.
References in periodicals archive ?
They've synthesized block copolymers that self-assemble into the smallest dots in the world.
Both block copolymer structures of the AB and ABA type are easily obtained by using controlled polymerization techniques.
With a neutral orientation control coating, the block copolymer domains form at the interface and extend vertically from the surface of the substrate.
Thus, in block copolymers with H-bonding end segments network, structures in the melt can be formed if the end segments can H-bond to both its neighbors.
Block copolymer micelles are stable in a block-selective solvent.
In one type of block copolymer, the two constituent polymers form grains consisting of stacks of alternating, equally spaced layers.
This kind of tensile behavior is new for the present block copolymer systems and was not observed previously for samples prepared by the previous synthetic method [18-21].
Block copolymer films can be used in which phase separation forms nanoscale structures by phase-separating microdomains.
The block copolymer used in this work was an asymmetric linear SBS triblock copolymer with unequal polystyrene outer blocks.