Process for making oil and solvent resistant fluorosilicon resins

Claim 1

A PROCESS FOR MAKING SILICONE RESINS WHICH PROCESS COMPRISES, (1) ADMIXING PARTIAL HYDROLYZATES WITH NO MORE THAN 80 PERCENT WATER NECESSARY FOR COMPLETE HYDROLYSIS, SAID PARTIAL HYDROLYZATES BEING PREPARED OF (A) FROM 0 TO 60 MOLE PERCENT OF SILANES OF THE GENERAL FORMULA RSIX3, WHEREIN R IS A PERFLUOROALKYLETHYL RADICAL AND X IS AN ALKOXY RADICAL OF LESS THAN 7 CARBON ATOMS, (B) FROM 40 TO 60 MOLE PERCENT OF SILANES OF THE GENERAL FORMULA RR''SIX2, WHEREIN R AND X ARE AS DEFINED ABOVE AND R'' IS A MONOVALENT HYDROCARBON RADICAL FREE OF ALIPHATIC UNSATURATION, (C) FROM 0 TO 60 MOLE PERCENT OF ORGANOSILANES OF THE GENERAL FORMULA YSI(X)3, WHEREIN X IS AS DEFINED ABOVE AND Y IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ARYL, ALKARYL, AND ARALKYL RADICAL, AT LEAST 25% OF THE TOTAL SILICON ATOMS PRESENT IN THE MIXTURE HAVING ARYL, ALKARYL, OR ARALKYL SUBSTITUENTS BONDED THERETO, THERE BEING A TOTAL OF 100 MOL PERCENT OF (A), (B), AND (C), AND (2) FURTHER CONDENSING IN A TEMPERATURE RANGE OF FROM 60* TO 200*C. SAID PARTIAL HYDROLYZATES IN THE PRESENCE OF A FLUOROALKANE SULPHONIC ACID.