发明名称 |
processo para preparar uma espuma de poliuretano, espuma de poliuretano, artigo conformado, composição de poliéter poliol, e, processo para preparar uma composição de poliéter poliol |
摘要 |
The invention relates to a process for preparing a polyurethane foam, wherein a polyether polyol and a polyisocyanate are reacted in the presence of: a blowing agent; of from 1 to 30 ppmw, based on the polyether polyol, of metals derived from a composite metal cyanide complex catalyst; and of from 0.5 to 100 ppmw, based on the polyether polyol, of a phosphoric acid compound comprising a phosphoric acid selected from orthophosphoric acid, polyphosphoric acid and polymetaphosphoric acid, and/or a partial ester of such a phosphoric acid. |
申请公布号 |
BR112012005152(A2) |
申请公布日期 |
2016.05.03 |
申请号 |
BR20121105152 |
申请日期 |
2010.09.07 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
CHRISTOPHE MARTIN SWAN;ELS VAN EETVELDE;MICHIEL BAREND ELEVELD;TIEW IMM TAN;WALTHERUS PETRUS CASPARUS MINEUR |
分类号 |
C08G18/48;C08G65/26 |
主分类号 |
C08G18/48 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|