The compounds according to the invention have the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are monovalent organic radicals or chlorine and Z is a tetravalent organic radical and A is a divalent organic grouping. These products are to be used as adhesion promoters, especially between inorganic solids and organic resins. 4 processes of preparation are given.
根据本发明,化合物的
化学式为I,其中R.sup.1、R.sup.2和R.sup.3为一价有机基团或
氯,Z为四价有机基团,A为二价有机基团。这些产品可用作粘附
促进剂,特别是在无机固体和有机
树脂之间。提供了4种制备方法。