Patent ID: 6749944
Filing Date: 2004-06-15
Classification: B05D,C09D,H01L,Y10T

Abstract:
A stacked film comprising:(A) a film prepared by heat curing (a) an alkoxysilane hydrolysis condensate having a mean radius of gyration of from 10 to 30 nm in the form of solution, and (B) a film prepared by heat curing (b) an alkoxysilane hydrolysis condensate having a mean radius of gyration of less than 10 nm in the form of a solution, with a difference in the mean radius of gyration between the alkoxysilane hydrolysis condensate (a) and the alkoxysilane hydrolysis condensate (b) being 5 nm or more, wherein the alkoxysilane hydrolysis condensate is obtained by hydrolysis and condensation of at least one silane compound selected from the group consisting of: a compound represented by the following general formula (1): RaSi(OR1)4-aâ€ƒâ€ƒ(1) â€ƒwherein R represents a hydrogen atom, a fluorine atom, or a monovalent organic group: R1 represents a monovalent organic group; and a represents an integer of 1 or 2, a compound represented by the following general formula (2): Si(OR2)4â€ƒâ€ƒ(2) â€ƒwherein R2 represents a monovalent organic group, and a compound represented by the following general formula (3): R3b(R4O)3-bSiâ€”(R7)dâ€”Si(OR5)3-cR6câ€ƒâ€ƒ(3) â€ƒwherein R3 to R6 may be the same or different and each represents a monovalent organic group: b and c may be the same or different and each represents a number of from 0 to 2; R7 represents an oxygen atom, a phenylene group, or a group represented by â€”(CH2)nâ€”, wherein n represents an integer of from 1 to 6; and d represents 0 or 1.