Tin- and phthalate-free sealant based on silane terminated polymers

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United States of America Patent

PATENT NO 9994744
SERIAL NO

15315979

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Abstract

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The present invention provides a moisture-curing sealant comprising a) at least one silane-functional polymer and b) at least one catalyst for the crosslinking of the silane-functional polymer, said sealant being free of organotin compounds and having, in the cured state, a secant modulus at 100% elongation and 23° C., determined to ISO 8339, of less than 0.4 MPa and a resilience at 100% elongation, determined to ISO 7389, of greater than 70%. The sealant is especially suitable as a construction sealant of the 25LM class according to DIN EN ISO 11600, especially as a facade sealant, or as a sealant according to ASTM C719 Class 50.

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Patent Owner(s)

  • SIKA TECHNOLOGY AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choffat, Fabien Rüttenen, CH 11 34

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