| abstract |
A MIXTURE OF TETRAALKOXYSILANE OR PARTIAL HYDROLYZATE THEREOF, A TETRAALKYLTITANATE, A COMPOUND OF THE FORMULA CF3CH2CH2SI(OSO(CH3)2X)3 WHERE X IS A HYDROGEN ATOMS OR -CH2CH2SI(OOCCH3)3 AND AT LEAST ONE X IS A -CH2CH2SI(OOCCH3)3 AND AN ORGANIC SOLVENT IS USEFUL AS A PRIMER IN ADHERING SILICONE ELASTOMER TO SUBSTRATES SUCH AS EPOXY RESINS AND POLYURETHANE. AN EXAMPLE OF THE PRIMER IS ONE PART EACH OF ETHYLPOLYSILICATE, TETRABUTYLTITANATE AND CF3CH2CH2SI(OSI(CH3)2CH2CH2SI(OOCCH3)3)3 AND TEN PARTS OF ACETONE. |