Process for the manufacturing of organopolysiloxane compositions
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United States of America Patent
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Aug 24, 2004
Grant Date -
Jul 11, 2002
app pub date -
Nov 7, 2001
filing date -
Nov 21, 2000
priority date (Note) -
Expired
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Abstract
This invention provides a process for the manufacture of organopolysiloxane compositions, an in particular sealants, comprising mixing a polymer, preferably silicone, a surface active filler, an organosilane such as a cross-linker, a catalyst and an adhesion promoter, in which the organosilane (iii) is mixed with surface active filler (ii) prior to the introduction of the adhesion promoter. The resulting sealant compositions have improved adhesion properties.
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