Polyphosphazene derivatives containing carbonyl groups and variously alkylated tertiary aminic groups, suited to undergo rapid and efficient photo-crosslinking processes and having general formula:
wherein:
X represents substituents linked to the polyphosphazene chain by means of hydroxylic or aminic functions and containing carbonyl groups;
X′ represents additional substituents linked to the polyphosphazene chain by means of hydroxylic or aminic functions and containing one or more variously alkylated tertiary aminic groups;
(w+y+z) is an integer ranging from 20 to 15,000;
w and z are integers having a value higher than or equal to zero and at any rate lower than 15,000;
y is an integer having a value of from 20 to 15,000;
含有羰基和各种烷基化叔胺基团的聚
磷氮衍
生物,适合进行快速高效的光交联过程,其通式为
其中
X 代表通过羟基或
氨基功能连接到聚
磷链且含有羰基的取代基;
X′ 代表通过羟基或
氨基官能团与聚
磷链键连并含有一个或多个不同烷基化叔胺基的附加取代基;
(w+y+z) 是 20 至 15,000 之间的整数;
w 和 z 是数值大于或等于零且无论如何小于 15,000 的整数;
y 是数值在 20 至 15000 之间的整数;