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公开(公告)号:US4487868A
公开(公告)日:1984-12-11
申请号:US497961
申请日:1983-05-25
CPC分类号: B22C1/2233 , C08G16/0262
摘要: A foundry core composition containing a rapid-curing furfuryl alcohol and phenolic resole resin system useful in the "hot-box" process is provided. This composition includes an acidic curing agent of low toxicity whose catalytic activity is enhanced by the presence of a water-soluble polymeric polyhydroxy compound.
摘要翻译: 提供了一种含有快速固化糠醇和酚醛树脂树脂体系的铸造芯组合物,可用于“热箱”工艺。 该组合物包括低毒性的酸性固化剂,其催化活性通过水溶性聚合多羟基化合物的存在而增强。