Polyphosphazene polymers are prepared which contain units represented by the formulas:
wherein X is a nitrogen-containing radical represented by the formulas -NIIIIIICOOR or
or
in which R and R are selected from the group consisting of alkyl groups containing from 1 to 12 carbon atoms, cycloalkyl groups containing from 3 to 12 carbon atoms and aryl groups, R2 is an alkyl group of 1 to 8 carbon atoms, R3 is selected from the group consisting of H and CN and m is an integer of from 2 to 8; wherein X' is X or is selected from the group consisting of substituted or unsubstituted alkoxy, aryloxy, amino and mercapto groups and wherein 20≼(a+b+c)≼50,000 per polymer.
The polymers of the invention can be utilized to form protective films and can also be utilized in applications such as for molding, coatings, foams and the like.
所制备的聚
磷苯聚合物包含由以下公式表示的单元:
其中 X 是由以下公式代表的含氮基 -NIIIIIICOOR 或
或
其中 R 和 R 选自含 1 至 12 个碳原子的烷基、含 3 至 12 个碳原子的环烷基和芳基组成的组,R2 是含 1 至 8 个碳原子的烷基,R3 选自 H 和 CN 组成的组,m 是 2 至 8 的整数;其中 X'是 X 或选自取代或未取代的烷氧基、芳氧基、
氨基和巯基组成的组,且每种聚合物的 20≼(a+b+c)≼50,000。
本发明的聚合物可用于形成保护膜,也可用于模塑、涂层、泡沫等应用。