A separation membrane comprising a polyether polymer having a weight-average molecular weight of 10
4
to 10
7
and obtained by polymerizing an oxirane compound of the formula:
1
wherein R is a hydrogen atom;
an alkyl group, an alkyl group having an halogen atom, or —CH
2
O(CH
2
CH
2
O)
k
—R′ (R′ is a group selected from an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group and an aralkyl group; k is from 0 to 12.); or
an ethylenically unsaturated group, a reactive silicon-containing group or a methylepoxy-containing group, is excellent in mechanical strength and flexibility.
一种分离膜,包括一种聚醚聚合物,其重均分子量为104至107,通过聚合式1的环氧化合物制得:其中R为氢原子;烷基,带有卤素原子的烷基,或—
CH2O(CH2 )k—R′(R′为从烷基、烯基、环烷基、芳基和芳基烷基中选择的基团;k为0至12.);或
乙烯基不饱和基团、反应性含
硅基团或甲基环氧基团。该分离膜具有优异的机械强度和柔韧性。