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May 21, 2008
Rockwood and Kemira Agree to Form TiO2Joint Venture
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April 25, 2008
SCP Increases Prices of Additives for Waterbourne Systems
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April 25, 2008
SCP Increases Prices of Additives for Solvent-based Systems
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February 19, 2008
Rockwood Reports Strong Fourth Quarter and Full Year Results
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January 24, 2008
EPA Approves Award-Winning Technology for Use in Wood Preservation
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January 02, 2008
Rockwood Completes Sale of Electronics Business to OM Group
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Castor-based Thixotropes or castor derivatives are designed for use in solvent borne coatings, caulks and sealants and compared to organoclays, castor-based thixotropes are significantly more thixotropic. This type of rheology presents several advantages, mainly in application properties, which consist of providing a “buttery” feel during brushing, a good balance between sag and leveling along with excellent pigment suspension. These thixotropes also provide a good balance between sag and leveling and usually are more effective in pigment suspension when compared to organoclay gellants. These products do require several important processing considerations which involve the dispersion, heating and cool down stage of the formulation.

Product Spotlight
OPTIFLO® L1400
OPTIFLO® L1400 is a hydrophobically modified associative thickening polymer that was designed to efficiently thicken acrylic, styrene/acrylic, and vinyl acetate copolymer latex paint systems. OPTIFLO® L1400 typically exhibits 30 – 40% higher ICI viscosity at equal addition than other traditionally used ICI drivers. In-can stability can also be improved by the addition of OPTIFLO® L1400 to latex paint formulations.

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