申请人:——
公开号:US20030109608A1
公开(公告)日:2003-06-12
N,N′-piperazinebis(neopentylglycol)phosphoramidate is used in combination with at least one co-additive which is (i) melamine, (ii) one or more melamine compounds or derivatives, or (iii) both of (i) and (ii) to provide effective flame retardancy in thermoplastic polymers. With polymers that tend to release trace amounts of acid under thermal processing conditions, a hydrotalcite is preferably included in the composition. In acid-sensitive polymers such as polyesters, the N,N′-piperazinebis(neopentylglycol)phosphoramidate should be free or essentially free of acid species as determinable by use of nmr, mass spec, and/or HPLC.
N,N′-哌嗪双(新戊二醇)磷酰胺可与至少一种共添加剂结合使用,这种共添加剂是(i)三聚氰胺,(ii)一种或多种三聚氰胺化合物或衍生物,或(iii)(i)和(ii)两者,以在热塑性聚合物中提供有效的阻燃性。对于在热加工条件下容易释放微量酸的聚合物,最好在组合物中加入一种氢铝酸盐。在对酸敏感的聚合物(如聚酯)中,N,N′-哌嗪双(新戊二醇)亚磷酰胺应不含或基本上不含酸类物质,这可通过使用 nmr、质谱和/或 HPLC 来确定。