Additive for treating water used to form ice

Details Additive for treating water used to form ice Additive for treating water used to form ice

E - Fixed Constructions

01

H

31/80, 62/9

E01H 4/02 (2006.01) F25C 3/02 (2006.01)

Patent

CA 1335692

The high energy cost accompanying the use of hot water in resurfacing ice rinks is reduced by use of an addi- tive for treating water used to form ice or ice layers which comprises a surfactant, a primary alcohol and a silicone. The surfactant acts to reduce permanently the surface ten- sion of the water while the silicone acts as a defoamer col- lapsing any bubbles formed on the surface and also as a lub- ricant when pressure is applied on the ice such as by an ice skate blade. The alcohol is believed to aid in providing a generally homogenous mixture when added to water. The com- position allows the use of much cooler water, normally in the range of 45° to 55°F, in forming ice with favorable characteristics. The invention also encompasses novel meth- ods of forming layers of ice using the additive.

614993

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