Patent ID: 6214104
Filing Date: 2001-04-10
Classification: C09D

Abstract:
A coating solution for forming a silica coating, comprising:a reaction product produced by hydrolyzing, in the presence of an acid catalyst, a mixture of at least two alkoxysilane compounds that are represented by the following general formulas:R.sup.1.sub.2 (OR.sup.3).sub.2 (I),R.sup.2 Si(OR.sup.4).sub.3 (II),andSi(OR.sup.5).sub.4 (III)where R.sup.1, R.sup.2 each indicate a phenyl or alkyl group having a carbon number of 1 to 3, and R.sup.3, R.sup.4, R.sup.5 each indicate an alkyl group having a carbon number of 1 to 3;an organic solvent; anda quaternary ammonium-salt compound.