COOLANT MATERIAL Russian patent published in 1995 - IPC

Abstract RU 2026872 C1

FIELD: making of small-scale autonomous cold sources. SUBSTANCE: material has, %: polyvinyl alcohol 4.0-11.5; carbamide 2.0-5.7; aerosil 2.4-6.9; sodium tetraborate 0.16-0.38, and water - the rest. Polyvinyl alcohol, carbamide, aerosil and sodium tetraborate were dissolved at heating. Properties: coolant point is -30 C, cooling time is 3 h, cycle number is 300-450. EFFECT: enhanced quality of material. 1 tbl

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RU 2 026 872 C1

Authors

Evstaf'Eva G.M.

Oks E.D.

Sheftel' B.I.

Dates

1995-01-20—Published

1992-02-26—Filed