申请人:Evonik Operations GmbH
公开号:US10696777B2
公开(公告)日:2020-06-30
A polyurethane composition comprising a mixture comprising at least two aldehyde scavengers, a polyurethane product, and a process for making polyurethane foam are disclosed. The mixture of scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1,3-dicarbonyl compound, a polyamine bearing a 1,3-propanediamino function, melamine, a 1,2-diaminocycloalkane, an ammonium salt, and aminosiloxane.
本发明公开了一种由至少两种醛清除剂混合物组成的聚氨酯组合物、一种聚氨酯产品和一种制造聚氨酯泡沫塑料的工艺。清除剂化合物混合物可以减少甚至消除聚氨酯泡沫的醛排放。清除剂化合物包括至少一种选自以下组别的成员:苯酚或取代苯酚、1,3-二羰基化合物、具有 1,3-丙二氨基功能的多胺、三聚氰胺、1,2-二氨基环烷、铵盐和氨基硅氧烷。