| Product Information: Addocat SO catalyses mainly the crosslinking reaction of the polyol and isocyanate. In the production of polyether and polyester foam Addocat SO is metered separately. As well as having other advantages, this enables equilibrium of the crosslinking and gas formation reactions to be maintained during production. The addition of Addocat SO is normally between 0.03 and 0.5 p.b.w. The accuracy of metering can be improved if Addocat SO is mixed with other components at a ratio suitable to the capacity of the metering pump, e.g. with polymeric plasticizers that do not affect the polyurethane reaction or with polyether polyols based on propyleneoxide, but without ethylene oxide. The mixing ratio applicable to these examples is usually 1 : 4 or 1 : 9. Function: Catalyst for the production of polyurethanes, e.g. polyether and polyester flexible slabstock foam, hot molded foam, rigid spray foam, 2 C-paints and coatings as well as other polyurethane applications. Information provided by Lanxess. |
