| http://www.w3.org/ns/prov#value | - The particle of claim 1, wherein the block copolymer has the formula X-(AB)n, A comprises the at least one first block, A is a isobutylene block, B comprises the at least one second block, B is a vinyl aromatic block or a methacrylate block, n is a positive whole number, and X is an initiator.
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