发明授权
- 专利标题： Phenolic foams having a low formaldehyde evolution
- 专利标题（中）： 具有低甲醛释放性的酚醛泡沫
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申请号： US805325申请日： 1997-02-24
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公开(公告)号： US5705537A公开(公告)日： 1998-01-06
- 发明人: John J. Hartman, Jr. , Ronald S. Lenox , Dean L. Putt
- 申请人： John J. Hartman, Jr. , Ronald S. Lenox , Dean L. Putt
- 申请人地址： PA Lancaster
- 专利权人： Armstrong World Industries, Inc.
- 当前专利权人： Armstrong World Industries, Inc.
- 当前专利权人地址： PA Lancaster
- 主分类号： C08J9/00
- IPC分类号： C08J9/00
摘要：
Phenolic foam which can be used as insulation is a foamed phenol-formaldehyde resole resin which contains a peptide, a proteinaceous material, cysteine, glutamic acid, glycine, isoleucine, leucine, lysine, phenylalanine, serine, tryptophan, or mixtures thereof at an amount effective to reduce emission of free formaldehyde from the foamed resin.
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