A fluorine-containing polymeric compound and a method for the preparation thereof
申请人:Japan as represented by Director-General,
Agency of Industrial Science and Technology
公开号:EP0329362A2
公开(公告)日:1989-08-23
A novel fluorine-containing polymeric compound represented by the general formula ⁅CH2-CH[(CH2)a-NH2] ⁅CH2-CH[(CH2)a-NH-CO-(NH-CH2aRf, in which Rf is a perfluoroalkyl group having 6 to 15 carbon atoms, m is a positive integer in the range from 10 to 1500, n is a positive integer smaller than 0.7m and a is 0 to 1, is prepared by the reaction of, when a is 0, a polyvinylamine of the formula ⁅CH2-CHNH2⁆m, with an alkyl perfluoroalkanoate of the formula Rf-CO-OR, in which R is an alkyl group having 1 to 5 carbon atoms, or, when a is 1, a polyallylamine of the formula fCH2-CH-(CH2-NH2)⁆m, with a perfluoroalkylmethyl isocyanate of the formula RfCH2-NCO. Despite the high fluorine content, the polymer is soluble in at least one kind of organic solvents so that Langmuir-Blodgett's films can be prepared from a solution of the polymer. The LB films have an extremely low surface energy and useful as a material for protection and modification of various surfaces.
一种由通式⁅CH2-CH[(CH2)a-NH2] ⁅CH2-CH[(CH2)a-NH-CO-(NH-CH2aRf代表的新型含氟聚合物化合物,其中Rf是具有6至15个碳原子的全氟烷基,m是10至1500范围内的正整数,n是小于0.当 a 为 0 时,式 ⁅CH2-CHNH2⁆m 的聚乙烯胺与式 Rf-CO-OR、其中 R 是具有 1 至 5 个碳原子的烷基,或者,当 a 为 1 时,式 fCH2-CH-(CH2-NH2)⁆m 的聚烯烃胺与式 RfCH2-NCO 的全氟烷基甲基异氰酸酯。尽管氟含量很高,但这种聚合物至少能溶于一种有机溶剂,因此可以用这种聚合物的溶液制备兰缪尔-布洛杰特薄膜。兰姆-布洛杰特薄膜具有极低的表面能,可作为保护和修饰各种表面的材料。