USE AS CATALYST FOR FORMING URETHANES, OF FLUORINATED AND TRIVALENT METAL ACID SALTS, COMPOSITION CONTAINING SAME AND METHODS USING SAME

摘要

the invention relates to a new catalyst for the formation of urethanes. thisthe catalyst is characterized by the following general formula: my3 - q [z] q: zis the radical corresponding to the anion of a super acid whose constanthammett is at least equal to 13 and advantageously greater than 1;a trivalent metal, preferably known as acidlewis, is an anion or a monovalent anion function; and q is aall selected advantageously between 1 and 3, including the line. applicationin the painting.