Patent ID: 6586484
Filing Date: 2003-07-01
Classification: C08G,C08J,C08L

Abstract:
A type of phenol resin foam heat-insulating material, characterized by the following facts: the phenol foam has an independent porosity of at least 80%, an average pore size in the range of 10-400 mm, and a thermal conductivity of 0.025 kcal/mhrÂ° C. or lower; the phenol foam is composed of a portion of pores filled with a gas containing C4-6 saturated hydrocarbon and a resin portion made of a phenol resin containing 0.01-5 wt % of at least one type of fluoroamine represented by the following formula (1):(CaFb)3Nâ€ƒâ€ƒ(1) In formula (1), a is a natural number of 4 or larger and b is 2a+1.