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Pittsburgh Society meeting features low-VOC paints.

At the November meeting of the Pittsburgh Society, three presentations were given that focused on low-VOC paints and coatings.

Daniel Pourreau, of Lyondell Chemical Company, spoke on "Tert-Butyl Acetate (TBAC): VOC-Exemption Update and Overview of Coating Uses."

Mr. Pourreau presented an update on the national, state, and local VOC exemption status of TBAC. He discussed its properties and uses in coatings. Included in the presentation were the current status in California and OTC States and an estimate of when TBAC will be exempted in those states. He provided examples of the types of coatings that would benefit from the use of TBAC, including lacquers, alkyd and melamine crosslinked enamels, as well as two-component epoxy and urethane coatings.

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Jeffrey Danneman, of Reichhold Chemicals, presented "Formulating with Tertiary Butyl Acetate."

Mr. Danneman discussed formulating experiences with resins supplied in tertiary butyl acetate. He provided suggestions on the need, type, and use level for slow, or tail, solvents in spray applied finishes. Information on requisite coating viscosity was provided and some low-VOC additives were suggested.

Speaking on "New Emission-Free Coalescent for Low/Zero VOC Paints" was Ken Breindel, of Cognis Corp.

According to Mr. Breindel, stringent VOC regulations have forced paint formulators to seek new coating additives that will allow them the flexibility of developing products that not only meet new regulations, but also have minimal impact on application and film properties. He discussed the properties of an emission-free coalescent and reviewed application data that demonstrated its performance.
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Title Annotation:Society News
Publication:JCT CoatingsTech
Date:Jan 1, 2006
Words:247
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