PHENOLIC RESIN FOAM AND METHOD OF PRODUCING SAME
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United States of America Patent
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Mar 23, 2016
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Mar 24, 2015
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Provided are a phenolic resin foam having low environmental impact, high compressive strength, excellent handling properties in installation, and low costs associated with securing, and also a method of producing the same. The phenolic resin foam contains at least one selected from the group consisting of a chlorinated hydrofluoroolefin, a non-chlorinated hydrofluoroolefin, and a halogenated hydrocarbon. The phenolic resin foam has a density of at least 20 kg/m3 and no greater than 100 kg/m3, and a closed cell ratio of at least 80% and no greater than 99%. The density and 10% compressive strength of the phenolic resin foam satisfy a relationship: C≧0.5X−7, where C represents the 10% compressive strength (N/cm2) and X represents the density (kg/m3).
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