FIXING OF VACUUM INSULATION PANELS IN COOLING APPARATUSES
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United States of America Patent
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Issued Date -
Mar 22, 2012
app pub date -
Sep 19, 2011
filing date -
Sep 22, 2010
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Abstract
A polyurethane foam reaction system to fix over an area of a vacuum insulation panel (VIP) on an inside of an outer wall of a cooling apparatus and/or on a outside of a wall of a inner container of the cooling apparatus, where the reaction system includes the following components: an organic and/or a modified organic polyisocyanate; at least one high molecular weight compound having at least two hydrogen atoms which are reactive toward a isocyanate group; a blowing agent; a catalyst; and a foam stabilizer, where the components are selected to obtain a closed-cell polyurethane foam having a free-foamed density of 50 to 1100 g/l and a compressive strength of ≧15 kPa, excluding rigid integral foams.
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