Glycol compositions containing an ether modified silicone to inhibit gelling

A gellation resistant aqueous glycol composition comprising

• (A) 85 to 98 percent by weight of an alkylene glycol,
• (B) an effective amount to reduce corrosion of an alkali metal borate,
• (C) an effective amount to reduce corrosion of an alkali metal silicate,
• (D) an effective amount to improve gellation resistance of a glycol soluble ether modified silicone copolymer comprising the repeating units ##STR5## wherein x has an average value range from 1.8 to 6.8
• Y has an average value range from 1 to 4
• Z has the formula
• --R--C.sub.n H.sub.2n O--.sub.m R.sub.1
• where
• n is 2 or 3
• m has an average value such that the average molecular weight of the polyoxyalkylene chain is in the range 100-400
• R is an alkylene chain of 2-4 carbons and
• R.sub.1 is selected from the group consisting of hydrogen and alkyl groups of 1-4 carbons
• (E) the remainder being water.

A gellation resistant aqueous glycol composition comprising

• (A) 85 to 98 percent by weight of ethylene glycol,
• (B) an effective amount to reduce corrosion of an alkali metal borate,
• (C) an effective amount to reduce corrosion of an alkali metal silicate,
• (D) about 0.001 to 1.0 percent by weight of a glycol soluble ether modified silicone copolymer comprising the repeating units ##STR6## wherein x has an average value range from 1.8 to 6.8
• y has an average value range from 1 to 4
• Z has the formula
• --R--C.sub.n H.sub.2n O--.sub.m R.sub.1
• where
• n is 2 or 3
• m has an average value such that the average molecular weight of the polyoxyalkylene chain is in the range 100-400
• R is an alkylene chain of 2-4 carbons and
• R.sub.1 is selected from the group consisting of hydrogen and alkyl groups of 1-4 carbons
• (E) the remainder being water.