National Starch & Chemical Company National Starch & Chemical Company
 
     
Wet End Surfaces
 

Specialty Surface Starches 

National Starch Papermaking Innovation offers a variety of specialty surface starches that deliver outstanding properties:
  • CATO-SIZE® Cationic Surface Starches:
    CATO-SIZE starches promote effective film formation, which improves surface strength and printability. Because of the fiber substantive nature of CATO-SIZE surface starches, mill effluent BOD reduction is an additional benefit realized with CATO-SIZE use.
  • KOFILM® surface Starches
    KOFILM starches reduce functional additives usage and improve coating holdout, useful in the production of silicone release grades and label stock.
  • FILMKOTE® Hydrophobic Starches
    FILMKOTE hydrophobic starches provide a barrier of oil and grease resistance from dry-end applications because of their oleophobic and superior surface oriented, film-forming properties. The use of FILMKOTE can eliminated the need for expensive fluorochemicals entirely. This simplifies surface treatment formulations and reduces chemical handling while decreasing total manufacturing costs.
  • RediSIZE - Liquid Natural Polymer (LNP) for ASA Emulsification
  • Specially designed for maximizing ASA sizing efficiency through the development of uniform ASA emulsion quality. ASA emulsions produced with RediSIZE have a smaller average particle size leading to greater surface area for better ASA retention  and a tighter particle size distribution which promotes emulsion stability and a reduced ASA hydrolysis rate. The benefit to the papermaker is improved finished paper/board quality and machine cleanliness.
    • Typically allows for lower ratios of emulsifying agent to ASA than with mill cooked starch.  This leads to reduced ASA sizing costs  per ton of paper/board produced.
    •  De-Coupling of wet end starch and ASA emulsifying agent.  This allows for greater flexibility in choosing a wet end starch that can  
    • Maximize strength development and retention without compromising ASA emulsion quality.