Sodium Carboxymethyl Cellulose (CMC) for Papermaking

Sodium Carboxymethyl Cellulose (CMC) for Papermaking
Sodium Carboxymethyl Cellulose (CMC) for Papermaking
Sodium Carboxymethyl Cellulose (CMC) for Papermaking
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Sodium Carboxymethyl Cellulose (CMC) for Papermaking

Sodium carboxymethyl cellulose (CMC) is a natural anionic polymer for use in the pulp and paper industry to help increase paper quality characteristics, acting effectively to satisfy specific roles as follows.


Paper Coating Improving
  • Used to control and modify the rheology of paper coating and the dispersion of pigment, increasing the solids content of coating;
  • Provide coating with pseudoplastic behavior, speeding up the coating process;
  • Improve the water retention of coating, delivering superior control of water-soluble binder migration;
  • Excellent film forming ability helps improve coating gloss;
  • Promote the performance of the whitening agent in the coating, improving the whiteness of the coated paper;
  • Enhance the lubrication effect of coating, improving the coating quality while extending the service life of scraper blade;
Pulp Strength Enhancing
  • Add grinding efficiency of paper pulp, enabling pulp fibers to be refined while shortening pulping cycle;
  • Make pulp fibers uniformly dispersed, improving paper machine runnability and resulting in better paper formation;
  • Increase the retention rate of various additives, fillers and fibers;
  • Increase bond strength between fibers, providing paper products with better physical strength properties;
  • Work together with dry and wet strengthening agents to improve dry and wet strength of paper;
  • Used as pulping sizing agent as gum rosin, AKD and other protective colloids, delivering better sizing effect;
Surface Sizing
  • Offer excellent rheology, leading to good film formation;
  • Reduce the airborne porosity on paper surface, providing good resistance to oil and grease;
  • Increase the gloss of paper;
  • Improve paper sheet stability and surface smoothness, while preventing curling;
  • Provide additional paper surface strength and abrasion resistance, reducing paper linting and dusting so that to improve printability and enhance the printing results;
Specifications
Type PL-5 PL-10 PL-30 PL-50 PL-200 PL-600 PM
2% Soln. Viscosity (mPa·s) 5-10 10-20 20-30 30-100 100-300 300-800 1000-3000
(1#60R) (2#60R) (2#30R)
Degree of Substitution 0.65-0.85
pH Value 6.0-8.5
Purity (%) ≥98
Loss on Drying (%) ≤10.0
    Tags:
  • paper coating consolidation
  • rheology modifier
  • paper strengthening agents
  • pulping additives
  • chemicals for paper making
  • paper bonding agent
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