VALORIZACIÓN TECNOLÓGICA

PROBLEMA/OPORTUNIDAD

  • Necesidad de agregar valor a la industria de la madera; por medio del mejoramiento de las características físico-mecánicas de la madera, su preservación y a través del desarrollo de nuevos compuestos en base a madera.
  • Necesidad de nuevas soluciones tecnológicas basadas en materiales con propiedades mejoradas y amigables con el medio ambiente.

EXPERIENCIA PREVIA

  • Desarrollo de aditivos, matrices y precursores poliméricos de base renovable para la síntesis de biomateriales.
  • Desarrollo y aplicación de nanocompositos a base de materiales poliméricos y nanopartículas metálicas.

PROYECTOS EN EJECUCIÓN

  • Biopolyols from lignocellulosic agricultural residues fir biodegradable materials with desired properties (2016-2019).

FONDECYT Iniciación – CONICYT. Investigador Principal: Rodrigo Briones. Instituciones participantes: CIPA

  • Development of novel engineered temperature sensitive nanohydrogels for cutaneous wound dressing applications (2016-2018).

FONDECYT Iniciación – CONICYT. Investigador Principal: Varaprasad Kokkarachedu. Instituciones participantes: CIPA

  • Desarrollo de línea de negocios para MIPYMES sector maderero de la provincia de Arauco (2018-2020).

FIC – Gobierno Regional del Biobío. Director: Rodrigo Briones. Instituciones participantes: CIPA, ASYMA A.G. CORDEPROF-TA, SIGLO XXI A.G., ASOEC A.G.

PUBLICACIONES DESTACADAS (ÚLTIMOS 5 AÑOS)

  • Aderibigbe B., Varaprasad K., Sadiku E., Ray S., Mbianda X., Fotsing M., Owonubi S., Agwuncha S. Kinetic release studies of nitrogen-containing bisphosphonate from gum acacia crosslinked hydrogels. International Journal of Biological Macromolecules 73 (2014).
  • Varaprasad K., Ramam K., Mohan G., Sadiku R. Development and characterization of nanomultifuncional materials for advanced applications. RSC Advances. 4 (2014).
  • Briones R., Torres L., Saravia Y. Liquefied Agricultural residues for film elaboration. Industrial Crops and Products 78 (2015)
  • Kokkarachedu V., Sadiku R., Saldías C., Pariguana M. Polymeric-composite films from polycaprolactone with waste poly (ethylene terephthalate) monomers for industrial applications. Journal of Material Science and Mechanical Engineering 2 (2015)
  • Kokkarachedu V., Aderibigbe A., Sadiku R., Ray S., Mbianda Y., Fotsing C., Owonubi J. & Agwuncha C. Kinetic release studies of nitrogen-containing bisphosphonate from gum acacia crosslinked hydrogels. International Journal of Biological Macromolecules 73 (2015)
  • Kokkarachedu V., Sadiku R. Development of microbial protective Kolliphor-based nanocomposite hydrogels. Journal of Applied Polymer Science 132 (2015)
  • Kokkarachedu V. Gownolla R., Tippabattini J., Goddeti Siva R., Mohan R & Konduru R. Antibacterial nanocomposite hydrogels for superior biomedical applications: a Facile eco-friendly approach. RSC Advances 19 (2015)
  • Kokkarachedu, Varaprasad; Tippabattini Jayaramudu*; Gownolla Malegowd Raghavendra; Gangireddygari Venkata Subba Reddy; A. Babul Reddy; K. Sudhakar; Emmanuel Rotimi Sadiku. Preparation and characterization of poly(ethylene glycol) stabilized nano silver particles by a mechanochemical assisted ball mill process. Journal of Applied Polymer Science 133 (2016).
  • Kokkarachedu, Varaprasad*; Gownolla Malegowd Raghavendrab; Tippabattini Jayaramuduc; Jongchul Seob. Nano zinc oxide–sodium alginate antibacterial cellulose fibres. Carbohydrate Polymers 135 (2016).
  • Kokkarachedu, Varaprasad*; Jayaramudu, T*., Raghavendra, G. M., Varaprasad, K., Raju, K. M., Sadiku, E. R. and Kim. 5-Fluorouracil encapsulated magnetic nanohydrogels for drug-delivery applications. Journal of Applied Polymer Science 133 (2016).
  • Kokkarachedu, Varaprasad; G. M. Raghavendra, J. Jung, D. kim, K. Varaprasad, J. Seo*. Identification of silver cubic structures during ultrasonication of chitosan AgNO3 solution. Carbohydrate Polymers 152 (2016).
  • Kokkarachedu, Varaprasad*; Manuel Pariguana, G. M.Raghavendrac, T. Jayaramudud, E. R. Sadikue, Development of biodegradable metaloxide/polymer nanocomposite films based on poly-ε-caprolactone and terephthalic acid. Materials Science and Engineering C 70 (2017).
  • Kokkarachedu, Varaprasad*; K. Ramama*, B.S. Diwakar*, V. Swaminadham. V. Reddy, Magnetic properties of nano-multiferroic materials. Journal of Magnetism and Magnetic Materials 442 (2017).
  • Kokkarachedu, Varaprasad*; T. Jayaramudu, R. Sadiku; Removal of dye by carboxymethyl cellulose, acrylamide and graphene oxide via a free radical polymerization process. Journal Carbohydrate Polymers 164 (2017).
  • Kokkarachedu, Varaprasad; T. Jayaramudu, Emmanuel Rotimi Sadiku, Hyun Chan Kim, Jaehwan Kim*, Preparation of antibacterial temperature-sensitive silver-nanocomposite hydrogels from N-isopropylacrylamide with green tea. Journal of Applied Polymer Science 134 (2017)
  • Briones, Rodrigo; F. Valdebenito*, M. Pereira, G. Ciudad, L. Azocar, G. Chinga*; On the nanofibrillation of corn husks and oat hulls fibres. Journal Industrial Crops and Products 95 (2017).
  • Kokkarachedu, Varaprasad; Bhagavathula* S Diwakara, David Quezada Acunaa, Koduri Ramama*, Veluri Swaminadhamd, Venu Reddy; Insight of electrical behavior in ferroelectricsemiconductor polymer nanocomposite films of PVDF/ZnSe and PVDF/Cu:ZnSe. Journal of Applied Polymer Science 134 (2017).
  • Kokkarachedu, Varaprasad; Tippabattini Jayaramudu, Hyun Chan Kim, Abdullahil Kafy, Jung Woong Kim*, Jaehwan Kim. Calcinated tea and cellulose composite films and its dielectric and lead adsorption properties. Journal Materials Science and Engineering C 171 (2017).
  • Kokkarachedu, Varaprasad*; G. M. Raghavendra, T. Jayaramudu, M. M. Yallapu, S.Rotimi. A mini review on hydrogels classification and recent developments in miscellaneous applications. Journal Materials Science and Engineering C (2017).
  • Kokkarachedu, Varaprasad*; Bhagavathula S Diwakar, Cristina Donoso, Koduri Ramam, Rotimi Sadiku. Metal-oxide polymer nanocomposite films from disposable scrap tire powder/poly- ε-caprolactone for advanced electrical energy (capacitor) applications. Journal of Cleaner Production (2017).
  • Kokkarachedu, Varaprasad*; T. Jayaramudu*, G.M. Raghavendra, E.R Sadiku, K. Mohana Raju. Green synthesis of tea Ag nanocomposite hydrogels via mint leaf extraction for effective antibacterial activity. Journal of Biomaterials Science, Polymer Edition (2017).
  • Kokkarachedu, Varaprasad; T. Prabhakaran*, R.V. Mangalaraja*, Juliano C. Denardin, R. Udayabhaskar, H.D. Mansilla, David Contreras. Studies on the functional properties of freestanding polyvinyl alcohol/(CoFe2O4/CoFe2) composite films. Journal Materials Science and Engineering C 266 (2017).
  • Briones, Rodrigo; Fuentes, Silvia; Bilhalva Patricia; Thomas Daniela; Gatto Darci, Labidi Jalel*. Kraft lignin-based polyols by microwave: optimizing reaction conditions. Journal of Wood Chemistry and Technology 37 (2017).