| 摘要 |
PURPOSE:To obtain the titled foam suitable for building material, etc., preventing corrosive properties on metals, by blending a liquid phenolic resin of resol type with barium metaborate as a neutralizing agent. CONSTITUTION:(A) A liquid phenolic resin of resol type is blended with (B) a blowing agent, (C) a foam stabilizer, (D) a curing agent, preferably sulfuric acid and (E) barium metaborate as a neutralizing agent to give the aimed foam. The amount of the component E is preferably 1-30pts.wt. based on 100pts.wt. component A.
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