Patent ID: 6413647
Filing Date: 2002-07-02
Classification: C09D,H01L,Y10T

Abstract:
A composition for film formation which comprises:(A) a product of hydrolysis and condensation obtained by hydrolyzing and condensing one or more silane compounds selected from the group consisting of compounds represented by the following formula (1), compounds represented by the following formula (2), and compounds represented by the following formula (3) in the presence of 0.2 mol or more of an alkaline compound per mol of the silane compounds, RaSi(OR1)4âˆ’aâ€ƒâ€ƒ(1) wherein R represents a hydrogen atom, a fluorine atom, or a monovalent organic group; R1 represents a monovalent organic group; and a is an integer of 1 or 2;Si(OR2)4â€ƒâ€ƒ(2) wherein R2 represents a monovalent organic group;R3b(R4O)3âˆ’bSiâ€”(R7)dâ€”Si(OR5)3âˆ’cR6câ€ƒâ€ƒ(3) wherein 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 is a number of 0 to 2; R7 represents an oxygen atom, a phenylene group, or a group represented by â€”(CH2)nâ€”, wherein n is an integer of 1 to 6; and d is 0or 1; and(B) an organic solvent, wherein the hydrolysis is conducted in the presence of from more than 20 mol to 150 mol of water per mol of the silane compounds.