Browsing by Author "Arias, José Luis"

Now showing items 1-3 of 3

    • Eggshell, a new bio-filler for polypropylene composites 
      Toro, P.; Quijada Abarca, Juan; Yazdani-Pedram Zobeiri, Mehrdad; Arias, José Luis (ELSEVIER SCIENCE BV, 2007-09)
      Chicken eggshell (ES) is an industrial byproduct containing 95% calcium carbonate, and its disposal constitutes a serious environmental hazard. Different proportions of chicken eggshell as bio-filler for polypropylene (PP) ...
    • Selective crystallization of calcium salts by poly (acrylate)-grafted chitosan 
      Neira Carrillo, Andrónico; Yazdani-Pedram Zobeiri, Mehrdad; Retuert de la Torre, Jaime; Díaz Dosque, Mario; Gallois, S.; Arias, José Luis (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2005-06-01)
      The biopolymer chitosan was chemically modified by grafting polyacrylamide or polyacrylic acid in a homogeneous aqueous phase using potassium persulfate (KPS) as redox initiator system in the presence of N,N-methylene-bi ...
    • Synthesis and unusual swelling behavior of combined cationic/non-ionic hydrogels based on chitosan 
      Yazdani-Pedram Zobeiri, Mehrdad; Tapia Villanueva, Cristián; Retuert de la Torre, Pedro Jaime; Arias, José Luis (WILEY-V C H VERLAG GMBH, 2003-10-15)
      Hydrogel-forming copolymers based on chitosan grafted with different amounts of polyacrylamide were synthesized and its swelling capacity determined in distilled water, sodium chloride solutions, as well as in buffer ...