Diepoxides which may be photopolymerized in the presence or absence of a photosensitizer contain a group having conjugated unsaturation attached to a nitrogen heterocycle, such as a hydantoin or barbituric acid residue, forming part of an advanced diepoxide. The resultant photopolymer may be crosslinked by heating in the presence of a curing agent for epoxide resins. The diepoxides are of use in the production of printing plates and printed circuits, especially multilayer printed circuits.
含有共轭不饱和度的基团的双
环氧化物,可在光敏剂的存在或缺乏下光聚合,该基团连接到氮杂环上,例如酰
脲或
巴比妥酸残基,形成高级双
环氧化物。所得的光聚合物可以在环氧
树脂固化剂的存在下加热交联。这些双
环氧化物可用于生产印刷版和印刷电路,特别是多层印刷电路。