Products

Palmer Holland, Inc.

258 Products found on Palmer Holland, Inc.  in Rheology Modifiers & Stabilizers

CRAYVALLAC® PC banner
Palmer Holland, Inc. company logo
Palmer Holland, Inc.CRAYVALLAC® PC
  • Principal:Arkema Rheology and Specialty Additives Group
  • Functions:Degassing Agent, Leveling Agent, Rheology Modifier
  • Chemical Family:Castor Oil Derivatives
  • End Uses:Powder Coating, Solventborne Coating, Solventless & High Solids Coating
  • Labeling Claims:Bio-based, Heavy Metal-free, No Added Alkylphenol Ethoxylates (APEO), Solvent-free
  • Features:Anti-Settling, Easy Handling, Good Compatibility, Good Leveling, Good Sag Control, High Gloss, High Shear Thinning, Highly Thixotropic, Improved Degassing, Improves Flow, Improves Leveling, Recoatability, Reduced Defects, Sag Resistance
  • Physical Form:Powder, Solid
CRAYVALLAC® PC is a micronised hydrogenated castor oil derivative surface enhancing additive for powder coatings based on PRIMID, hybrid and TGIC technologies. CRAYVALLAC® PC is easily incorporated using conventional pre-mixing techniques prior to extrusion. The use of CRAYVALLAC® PC leads to a substantial improvement in the appearance of the final cured powder coating. This improvement is due to CRAYVALLAC® PC enhancing the flow, levelling and degassing processes during cure. This is the result of CRAYVALLAC® PC greatly reducing the melt viscosity during this critical levelling stage in the cure cycle. This viscosity reduction also enhances the performance of other additives such as acrylic levelling agents and the degassing agent benzoin. CRAYVALLAC® PC works well in both clear and pigmented powder coating systems based on PRIMID, Hybrid and TGIC technologies.
ACRYSOL™ TT-935 banner
Palmer Holland, Inc. company logo
Palmer Holland, Inc.ACRYSOL™ TT-935
  • Principal:Dow Coating Materials
  • Functions:Thickener
  • Chemical Family:Chemical Mixtures & Blends
  • End Uses:Latex Paint, Sheen Paint
  • Physical Form:Liquid
ACRYSOL™ TT-935 Rheology Modifier is an alkali-soluble, anionic associative thickener, designed to give medium-shear-rate viscosity in interior/exterior flat latex paints. ACRYSOL™ TT-935 Rheology Modifier can be used as either a primary or co-thickener in water-based coatings. It offers excellent resistance to roller spattering with better film build and leveling than conventional thickeners. Paints formulated with ACRYSOL™ TT-935 Rheology Modifier as a sole thickener exhibit improved flow and leveling compared with medium- to high-molecular-weight cellulosic thickeners. The rheology can be modified to further improve flow and leveling by addition of low levels of surfactant or glycol-ether-type co-solvents to reduce the low-shear viscosity. Addition of some pre-dispersed colorant may also have this effect. ACRYSOL™ TT-935 Rheology Modifier is recommended for interior paints requiring improved flow and leveling and lower raw material cost compared to cellulosic thickeners. Where superior water resistance is required, we recommend ACRYSOL™ SCT-275 Rheology Modifier. ACRYSOL™ TT-935 can be used in exterior paints, but formulators should exercise caution to minimize potential blistering due to the anionic nature of this product. Delivered as a low-viscosity liquid, it is very easy to handle and incorporate into paint. It is resistant to microbiological degradation, thereby avoiding viscosity loss in paint, a common problem for manufacturers.

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