Aqueous compositions useful in making stencils for screen printing comprise one or more unsaturated monomers, a tertiary amino compound, a colloid, and a water-soluble, carboxy- or sulpho-alkyleneoxy-thioxanthone photoinitiator. When coated on to a suitable support sheet and dried, photosensitive sheets are obtained useful for making stencils for screen printing by the direct, indirect, or direct/indirect methods.
用于制作丝网印刷模板的
水性组合物包括一种或多种不饱和单体、一种叔
氨基化合物、一种胶体和一种
水溶性羧基或砜基亚烷氧基-
噻吨酮光
引发剂。当涂布到合适的支撑片上并干燥后,就可以得到光敏片,用于通过直接、间接或直接/间接方法制作丝网印刷的模板。