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FOERFARANDE FOER FRAMSTAELLNING AV ICKE-HAEFTANDE, SLAETA YTOR AV FOTOPOLYMERISERADE RELIEFTRYCKFORMAR FOER FLEXOGRAFI.
FOERFARANDE FOER FRAMSTAELLNING AV ICKE-HAEFTANDE, SLAETA YTOR AV FOTOPOLYMERISERADE RELIEFTRYCKFORMAR FOER FLEXOGRAFI.
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机译:光聚合柔性版实施方案的非粘性,狭缝表面的制造方法。
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摘要
Non-tacky, smooth, structureless surfaces of photopolymer relief printing plates for flexographic printing, whose relief layers are prepared in a conventional manner by exposing the photopolymerizable relief-forming layers of flexographic printing plates imagewise to actinic light and washing out the unpolymerized, unexposed areas with a suitable solvent, are produced by a process in which the flexographic printing plates are after-treated with a liquid medium which contains elemental bromine or is capable of forming elemental bromine, and then washed with a neutralization bath, one or more paraffinsulfonates, fatty alcohol ethersulfates or alkyl phosphates or a cationic or anionic surfactant possessing one or more perfluorinated carbon chains being employed in the bromine-containing, liquid medium. The relief printing plates obtained according to the invention are used for flexographic printing.
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