Patents Assigned to Columbian Chemicals Company (a Delaware Corporation)
  • CARBONACEOUS MATERIAL WITH DISSOCIATED AGGREGATE SIZE AND PARTICLE SIZE DISTRIBUTION AND IMPROVED DISPERSIBILITY
    Publication number: 20090163617
    Abstract: The present invention claims that a carbon black with unique morphological properties provides improved carbon black dispersion and improved rubber compound properties, such as improved fatigue life and abrasion resistance. The carbon black of current invention has a ratio of aggregate size HI and particle size HI greater than 1.70, the surface area STSA of 100-180 M2/g and the structure OAN less than 140 cc/100 g.
    Type: Application
    Filed: November 17, 2008
    Publication date: June 25, 2009
    Applicant: Columbian Chemicals Company (a Delaware Corporation)
    Inventors: Weidong WONG, Charles R. Herd, Jorge A. Ayala