| 摘要 |
PROBLEM TO BE SOLVED: To provide an expandable phenolic resin molding material which gives a phenolic resin foam having excellent strength and reduced shrinkage and a phenolic resin foam having the properties. SOLUTION: In the expandable resol type phenolic resin molding material including a liquid resol type phenolic resin, a blowing agent, a foam stabilizer, and an acid curing agent, an ammonium compound is mixed as an additive. COPYRIGHT: (C)2010,JPO&INPIT |
