A polyol composition is disclosed that comprises an aromatic polyether polyol , preferably based on the condensation product of a phenol with an aldehyde and as blowing agent, formic acid. The polyol composition finds utility in the manufacture of polyurethane and particularly polyisocyanurate foams having attractive flame retardant and reduced smoke generation characteristics.
本发明公开了一种多元醇组合物,它包括一种芳香族聚醚多元醇,最好是基于
苯酚与醛的缩合产物,以及作为发泡剂的
甲酸。这种多元醇组合物可用于生产聚
氨酯泡沫塑料,特别是具有阻燃和减少发烟特性的聚异
氰脲酸酯泡沫塑料。