Patent ID: 6172152
Filing Date: 2001-01-09
Classification: C08L,H01M,Y02E

Abstract:
A sol-gel composition comprising 1 to 90% by weight of a polyalkylene glycol-substituted trialkoxysilane of Formula 1, 10 to 95% by weight of a tetraalkoxysilane (TAOS), a hydochloric acid, an organic solvent, and a 1 to 90% by weight of a polyalkylene glycol of Formula 2 and/or an alkyl ether thereof and optionally 1 to 70% by weight of an alkali metal salt of Formula 3;wherein Formula 1 is: ##STR2##wherein Formula 2 is:R.sup.2 --O--(CR.sup.3.sub.2 --CR.sup.3.sub.2 --O).sub.z --R.sup.2wherein Formula 3 is:A.sup.+ B.sup.-wherein:R is a lower alkyl group having less than 10 carbon atoms;X has a value of between 1 to 10;R.sup.1 is the same as R or (CR.sup.3.sub.2 --CR.sup.3.sub.2 --O).sub.Y --R where y has a value of 2 to 50;R.sup.2 is H or a lower alkyl group having less than 10 carbon atoms;R.sup.3 is H, CH.sub.3, or F;z has a value of 2 to 50;A.sup.+ represents a cation selected from the group consisting of Li.sup.+, Na.sup.+, and K.sup.+ ; andB.sup.- represents an anion selected from the group consisting of ClO.sub.4.sup.-, CF.sub.3 SO.sub.3.sup.-, N(CF.sub.3 SO.sub.3).sub.2.sup.-, BF.sub.4.sup.-, PF.sub.6.sup.-, and AsF.sub.6.sup.-.