发明名称 |
Polyester polyols imparting improved flammability properties |
摘要 |
An aromatic polyester polyol having a nominal functionality of at least about 2 is produced from the esterification reaction of a phthalate-based composition containing less than 50 mol% of ortho-phthalic acid or phthalic anhydride, with a hydroxyl material containing at least 20 mol% of at least one branched aliphatic diol, and optionally transesterified with at least one hydrophobic material. The polyester polyol has improved shelf-life stability as demonstrated by the polyester polyol remaining clear and homogeneous for at least 6 months when stored at room temperature. The polyester polyol, when incorporated into a polyol foam-forming resin composition in an amount of at least 40 wt %, results in polyurethane and polyisocyanurate foams that exhibit low smoke and weight loss upon burning conditions. |
申请公布号 |
AU2014237364(A1) |
申请公布日期 |
2015.10.01 |
申请号 |
AU20140237364 |
申请日期 |
2014.03.10 |
申请人 |
STEPAN COMPANY |
发明人 |
WOLEK, SARAH;KAPLAN, WARREN A.;SCHREINER, LAURA;YAO, CHUNHUA;NORBERG, DAVID J. |
分类号 |
C08G63/00;C08G18/02;C08G18/46;C08G18/72;C08G63/46;C08G63/83 |
主分类号 |
C08G63/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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