Dow Global Technolgoies LLC

Rohm and Haas Company

Dow Silicones Corporation

Tirtha Chatterjee

Yiyong He

Michael P Tate

John Joseph Rabasco

Jodi M Mecca

Matthias Knarr

Meinolf Brackhagen

Sudhakar Balijepalli

Roland Adden

Puspendu Deo

Zhifeng Bai

Yongfu Li

Milton H Repollet-Pedrosa

Andrea Watts

Michael Brasseur

Ryan Stempek

A liquid applied, silicone-based air and water barrier coating composition and its use as a silicone-based air and water barrier is provided. The barrier is generally vapour permeable and suitable for the construction industry. The liquid coating composition generally has a shelf-life of at least 9 months. The liquid coating composition comprises: (i) a crosslinked polysiloxane dispersion comprising (c) a surfactant and (d) water; (ii) a combination of rheology modifiers and at least one of the following ingredients: (iii) one or more fillers and/or (iv) one or more stabilizers.

Silicone-based barrier compositions

A liquid applied, silicone-based air and water barrier coating composition and its use as a silicone-based air and water barrier is provided. The barrier is generally vapour permeable and suitable for the construction industry. The liquid coating composition generally has a shelf-life of at least 15 months. The liquid coating composition comprises: (i) a crosslinked polysiloxane dispersion comprising (c) a surfactant and (d) water; (ii) one or more rheology modifiers in an amount of from 0.25 to 5 wt. % of the composition; and (iii) an acidic pH stable colloidal silica in an amount of from 15 to 30 wt. % of the composition; and optionally (iv) one or more stabilizers.

Provided is a method of making methylcellulose-type ether in powder form, said method comprising

Cellulose ether powders

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Collegeville, PA, United States of America

Tirtha Chatterjee