申请人:——
公开号:US04431596A1
公开(公告)日:1984-02-14
This invention relates to novel substituted 2-hydroxy-2-phosphinyl ethanals of the general Formula I. ##STR1## to 1,2-dihydroxy-1,2-bisphosphinylethanes of the general Formula II ##STR2## to methods of making the same, to compositions containing compounds of the general Formula I, and/or of the general Formula II, to the use of such compositions to impart flame-resistance to cellulose and cellulose containing materials, to flame-resistant compositions containing compounds of the general Formula II and to the use of the compounds of the general Formula II as metal complexing agents. In the compounds of the Formulas I and II R.sub.1 and R.sub.2 may be the same or different radicals including alkoxy, aryloxy, arylalkoxy, cycloalkoxy, alkyl, alkenyl, aryl, aralkyl, cycloalkyl as well as such radicals containing substituents such as halogen, amino, hydroxy, alkoxy, mercapto, carboxy, carbalkoxy and the like in addition R.sub.1 and/or R.sub.2 may be hydroxy.
这项发明涉及一种新型的通式I的取代2-羟基-2-膦基乙醛。到通式II的1,2-二羟基-1,2-双膦基乙烷。制备这些化合物的方法,含有通式I和/或通式II化合物的组合物,利用这些组合物赋予纤维素和含纤维素材料阻燃性,含有通式II化合物的阻燃组合物,以及将通式II化合物用作金属络合剂的用途。在通式I和II的化合物中,R₁和R₂可以是相同或不同的基团,包括烷氧基、芳氧基、芳基烷氧基、环烷氧基、烷基、烯基、芳基、芳基烷基、环烷基以及含有卤素、氨基、羟基、烷氧基、巯基、羧基、羰基酯等取代基的基团,此外R₁和/或R₂可以是羟基。