An acid sensitive, mono- or di- azoxy compound is reacted with an acidulous acidic polymerizable medium to form a cellular polymeric structure. An unsymmetrical azoxy compound is also provided having the formula ##STR1## where n is 1 or 2 and R.sup.8 is movalent when n is 1 and divalent when n is 2.
一种酸敏感的单或双偶氮化合物与酸性聚合介质反应,形成细胞聚合物结构。还提供了一种非对称的偶氮化合物,其
化学式为##STR1##其中n为1或2,当n为1时,R.sup.8为单价,当n为2时,R.sup.8为二价。