C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5315, 400/72
C08L 83/02 (2006.01) C08L 83/04 (2006.01)
Patent
CA 1256227
60SI-579 SCAVENGERS FOR ONE-COMPONENT ALKOXY-FUNCTIONAL RTV COMPOSITIONS AND PROCESSES ABSTRACT OF THE DISCLOSURE The present invention relates to an alkoxy- functional one-component RTV silicone rubbers composition which is shelf-stable and fast-curing. The composition is formed by reacting an alkoxy-terminated polysiloxane polymer with an alkoxy-functional cross-linking agent in the presence of a condensation catalyst. The present invention lies in the use of silicon-nitrogen compounds and silicon-nitrogen polymers as scavengers for unendcapped hydroxy groups in the above polyalkoxy- functional RTV systems. A preferred silicon-nitrogen compound is hexamethyldisilazane. The compositions are useful as binders and sealants.
420983
Company General Electric
Eckersley Raymond A.
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