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CoatOSil* 1770 Silane

IMPROVED SHELF LIFE, LENGTHIER UNSPOILED APPEARANCE

Water-borne coatings formulated utilizing CoatOSil 1770 silane can benefit from better adhesion, improved appearance, and longer retention of functional and aesthetic properties. As a cycloaliphatic epoxy silane, CoatOSil 1770 silane can deliver crosslinking in latex under room or elevated temperature cure conditions. Through crosslinking, CoatOSil 1770 silane can improve the solvent, stain and weather resistance of the final coating.  

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  • TECHNICAL DOCUMENTS

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CoatOSil* 1770 Marketing Bulletin
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More About CoatOSil* 1770 Silane

When properly incorporated in latex, the dual chemical functionality of CoatOSil 1770 silane can   benefit both chemical resistance and  wet and dry adhesion. Once CoatOSil 1770 silane is added to the latex, a grafting reaction takes place between carboxylic acid salts in the polymer backbone and the epoxy portion of the silane. During coalescence and curing, the alkoxysilane portion of the CoatOSil 1770 silane molecule crosslinks with other silane grafted polymer chains forming stable siloxane bonds.

 

CoatOSil 1770 silane can be considered for both one- and two-part systems. When formulated, it can typically be added directly to latex, or pre-emulsified before addition. In one-part formulations incorporating CoatOSil 1770 silane, tests have shown formulation stability for over 18 months. By offering this shelf stability and formulation flexibility in a one-part system, CoatOSil 1770 silane can be an advantage over many common crosslinking agents.

 

Resulting cured coats using CoatOsil 1770 silanecan exhibit improved:

  • Pigment bonding
  • Stain resistance
  • Solvent and mar resistance

 

CoatOSil 1770 coatings additive can enhance value and performance in a variety of water based coating formulations.

 

For key features, typical benefits and physical properties, potential applications, and more, click “Contact an Expert.”

 

* CoatOSil is a trademark of Momentive Performance Materials Inc.

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*The marks followed by an asterisk (*) are trademarks of Momentive Performance Materials Inc.