| abstract |
It has an antistatic coating film on the at least single side | surface of a polyester film, and the antistatic coating film is following formula (1)n n n n n n n n [Wherein R 1 and R 2 are each independently a hydrogen atom or a methyl group, R 3 is an alkylene group having 2 to 10 carbon atoms, R 4 and R 5 are independently an alkyl group having 1 to 5 carbon atoms, and R 6 is Is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or a hydroxyalkyl group having 2 to 10 carbon atoms, and Y − is a halogen ion, a halogenated alkyl ion, a nitrate ion, a sulfate ion, an alkyl sulfate ion, a sulfonate ion or an alkylsulfonate ion ]n n n An antistatic film containing the polymer which has a polymerized unit represented by This film is used in the field where antistatic property is required, such as a liquid crystal polarizing plate protective film. |