P.S Plate in China.The negative PS plate prepared from substituted diphenylamine diazoresin possesses good thermostability as well as long storage-life.

• 阳图PS版和阴图PS版，分别属光分解和光交联型。阳图PS版在我国已广泛应用，而阴图PS版处起步阶段。由取代二苯胺重氮树脂制备的阴图PS版热稳定性好，贮存期长。