二苯甲烷

当共缩聚二胺单体中，′－二（－氨基苯氧基）二苯砜／，′－二氨基二苯甲烷和，′－二（－氨基苯氧基）二苯砜／，′－二氨基二苯醚的摩尔比分别为0∶0～∶及0∶0～ ∶7时，所得聚酰亚胺可溶于强极性溶剂。

diphenylmethane

tetraamino-3,3'-dimethyl-diphenylmethane

thienyl diphenylmethane

p,p'-tetramethyldiamino-diphenylmethane

diphenylmethane dye【染料】

α-phenyltoluene; diphenylmethane

diphenylmethane group【有化】

diphenylmethane-4,4'-disulfonamide