发明公开
EP0146337A2 Elements having hydrophilic layers containing hydrophobes in polymer particles and a method of making same 失效
与亲水层元素包含在它们的制备聚合物粒子和过程的疏水性物质。

Elements having hydrophilic layers containing hydrophobes in polymer particles and a method of making same
摘要:
Elements, including radiation-sensitive elements (e.g. color photographic paper products), comprise a support having thereon a substantially crystal- and agglomeration-free hydrophilic layer. This layer comprises a hydrophilic composition comprising a hydrophilic binder and water-insoluble polymer particles dispersed therein. These particles have recurring units derived from one or more ethylenically unsaturated polymerizable monomers, and comprise from 0.5 to 10 percent, based on total monomer weight, of a hydrophobe uniformly distributed throughout the particles. Particularly useful polymer particles are those having recurring units derived from at least one monomer having a crosslinkable moiety. Particularly useful hydrophobes are optical brighteners.
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