发明名称 |
processo para produzir tubos isolados, usos de um sistema poliuretano e de uma amina, e, tubo isolado |
摘要 |
The invention relates to a method for producing insulated pipes, to the use of a polyurethane system comprising an isocyanate component (a), a polyol mixture (b), and at least one catalyst to produce insulated pipes, wherein the starting time for the polyurethane system is less than the time for filling the pipe with the polyurethane system, to the use of special amines as catalysts in a polyurethane system for producing insulated pipes, and to an insulated pipe that can be obtained by the method according to the invention. |
申请公布号 |
BR112014004626(A2) |
申请公布日期 |
2017.03.21 |
申请号 |
BR20141104626 |
申请日期 |
2012.08.29 |
申请人 |
BASF SE |
发明人 |
ALEX POPOV;ANNIKA HALWE-BOMMELMANN;CARSTEN ELLERSIEK;CHRISTOF GRIESER-SCHMITZ;GIANPAOLO TOMASI;LUDWIG WINDELER |
分类号 |
B29C44/38;B29C44/12;C08G18/18;F16L13/02;F16L58/18;F16L59/14 |
主分类号 |
B29C44/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|