Tytan™ CP

Coupling Agent

Borica coupling agents (CP) are used to chemically modify the surface of fillers and pigments with suitable pendant reactive groups. These would include any able to condense with a hydrolysed alkoxy titanate e.g. hydroxyl and carbonate groups. Fillers and pigments that can be modified include talc, barium sulfate, graphite, carbon black, calcium carbonate, silica and metal oxides.

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Borica coupling agents (CP) are used to chemically modify the surface of fillers and pigments with suitable pendant reactive groups. These would include any able to condense with a hydrolysed alkoxy titanate e.g. hydroxyl and carbonate groups. Fillers and pigments that can be modified include talc, barium sulfate, graphite, carbon black, calcium carbonate, silica and metal oxides.

Following surface modification there are hydrophobic groups present on the filler/pigment surface. This facilitates improved dispersion of the modified particles in hydrophobic systems. As such this can be of benefit for compounding fillers and pigments into a variety of widely used polymeric materials e.g. PE, PP, PVC, PBT, ABS and rubbers.



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Features


    • Coupling agent for hydrophobically modifying the surface of inorganic fillers

    • Suitable for reacting with any groups that can condense with an alkoxy titanate

    • Suitable for modifying a wide range of fillers and pigments

Benefits


    • Improves dispersion of fillers and allows high solid loading in polymers

    • Lower viscosity increase of polymer per unit filler added; improved flow and processability of polymer composites

    • Better dispersion of fillers improves mechanical properties such as tensile strength

    • Can be incorporated directly into an extrusion process

Typical Applications


    • Polymer composites e.g. talc-filled polypropylene (PP)


     

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