Fire-resistant polyurethane material and fire-resistant structure
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United States of America Patent
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May 16, 2017
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Dec 3, 2015
app pub date -
Jun 28, 2013
filing date -
Jun 28, 2012
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Abstract
The invention relates to a fire-resistant polyurethane material comprising a foamed polyurethane main body, a fire-resistant inorganic powder and a hollow structure. The density of the hollow structure is lower than about 0.1 g/cm3 and the material of the hollow structure is selected from the group consisting of polymer, glass and ceramic. The fire-resistant polyurethane material according to the invention has excellent fire-resistant effects. The invention also provides a fire-resistant structure.
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