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photocurable polymeric composition, cured polymeric composition, flexo printing board precursor, flexo printing board, and process for substrate printing.
photocurable polymeric composition, cured polymeric composition, flexo printing board precursor, flexo printing board, and process for substrate printing.
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机译:光固化性聚合物组合物,固化的聚合物组合物,柔性版印刷板前体,柔性版印刷板和基材印刷方法。
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摘要
The present invention relates to a photo-curable polymer composition comprising: a) a first block copolymer comprising at least two blocks A of polymerised mono-vinyl aromatic monomer, and at least one block B of polymerised conjugated diene monomer, wherein the total polymerised mono-vinyl aromatic monomer content is in the range from 5 to 25% by weight of the block copolymer; b) 5 to 10% by weight of a second block copolymer having one block A of polymerised mono-vinyl aromatic monomer and at least one block B of polymerised conjugated diene monomer, wherein the total polymerised mono-vinyl aromatic monomer content is in the range from 5 to 50% by weight of the block copolymer, alkoxy or epoxy functional groups; and c) at least 5% by weight of a low molecular weight block copolymer, wherein the total of (b) and (c) is from 15% by weight to 80% by weight, the low molecular weight block copolymer having one block A of polymerised mono-vinyl aromatic monomer, and at least one block B of polymerised conjugated diene monomer, and having a weight average molecular weight in the range of from 1,000 to 35,000.
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