Silante terminated polyurethane

Details Silante terminated polyurethane Silante terminated polyurethane

2003-12-19

2008-12-16

Niland, Patrick D (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C156S327000, C156S330900, C156S329000, C156S331100, C156S331700, C427S372200, C427S385500, C428S423100, C524S588000, C524S589000, C524S590000, C524S591000, C524S840000

Reexamination Certificate

active

07465778

ABSTRACT:
A curable, alkoxysilane-functional polyether urethane composition formed by combining a) a first silane terminated polyurethane prepared by reacting i) a mono-functional compounds with ii) an isocyanate component containing two isocyanate groups, the reaction product reacted with iii) a compound containing an isocyanate-reactive group and one or more reactive silane groups to form a moisture-curable, alkoxysilane-functional polyether urethane; and b) a second silane terminated polyurethane prepared by reacting i) an alkyl monofunctional alcohol, amine, and/or thiol, with ii) an isocyanate component containing two isocyanate groups, the reaction product reacted with iii) a compound containing an isocyanate-reactive group and one more reactive silane groups. The urethane composition can be used in coating, sealant and/or adhesive compositions. The coating compositions are used to form a coated substrate. The sealant and/or adhesive compositions are used in a method of joining a first adherend and a second adherend to form a bonded assembly.

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