Bimetallic printing plates
    3.
    发明授权
    Bimetallic printing plates 失效
    双金属印刷板

    公开(公告)号:US3556952A

    公开(公告)日:1971-01-19

    申请号:US3556952D

    申请日:1966-05-18

    IPC分类号: B41N1/10 G03F7/038 B41N1/04

    摘要: A METHOD OF PREPARING A BIMETALLIC PRINTING PLATE WHICH COMPRISES SUBJECTING A HYDROPHILIC METAL SUBSTRATE TO AN AQUEOUS SOLUTION OF WATER SOLUBLE SALT OF A HYDROPHOBIC METAL THROUGH A MEMBRANE HELD IN INTIMATE CONTACT WITH THE HYDROPHILIC SUBSTRATE, THE MEMBRANE BEING AN INSOLUBILIZED ASSOCIATION PRODUCT OF PHENOLIC RESIN AND AN ETHYLENE OXIDE POLYMER AND BEING C HARACTERIZED BY AREAS OF WATER PERMEABILITY AND WATER IMPERMEABILITY AND THEREAFTER REDUCING THE SALT OF A HYDROPHOBIC METAL TO HYDROPHOBIC METAL.