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    • 14. 发明授权
    • Mesh screen of polyester filaments for screen printing
    • 涤丝丝网丝网印花
    • US4824717A
    • 1989-04-25
    • US137321
    • 1987-12-23
    • Toru NakanishiShigehiro HoshidaSusumu Ueno
    • Toru NakanishiShigehiro HoshidaSusumu Ueno
    • B29C59/14B41N1/24B32B7/00
    • B29C59/14B41N1/247Y10T428/2938Y10T428/2969Y10T428/2978Y10T428/31Y10T442/183Y10T442/3976
    • A mesh screen of polyester filaments for screen printing is subjected to a treatment with low temperature plasma in an atmosphere of a non-oxidizing inorganic gas to such an extent that a crosslinked layer having a thickness of 0.001 to 0.1 .mu.m is formed on the surface of the polyester filaments and the surface of the filaments is provided with protrusions and concavities having a diameter of 0.01 to 0.1 .mu.m in a distribution density of 1000 to 6000 per .mu.m.sup.2 of the surface area of the filament. The thus treated mesh screen is advantageously improved, with no adverse influences on the mechanical strength, in respect of the adhesion between the filament surface and a photosensitive resin composition applied to the mesh screen for photolithographic patterning. The plasmatreated mesh screen is also advantageous in respect of the decreased resistance against transfer of a printing ink through open meshes.
    • 用于丝网印刷的聚酯长丝的筛网在非氧化性无机气体的气氛中用低温等离子体进行处理,使得在表面上形成厚度为0.001〜0.1μm的交联层 的聚酯长丝和长丝的表面在细丝的表面积的分布密度为1000〜6000 /μm的情况下,设置有直径为0.01〜0.1μm的突起和凹部。 有利地,这样处理的筛网有利地提高了对于在丝网表面和施加到用于光刻图案的网筛之间的感光性树脂组合物之间的粘合力对机械强度没有不利影响。 等离子体处理的筛网对于通过开放的网孔转印印刷油墨的抗性降低也是有利的。