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Radiation-induced grafting of sensitive polymers

  • Radiation Chemistry
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Abstract

Films of PP and PTFE were modified by gamma-radiation grafting of pH and thermo sensitive monomers (two step method) by using both the preirradiation and the direct methods. The effects of the absorbed dose, monomer concentration and reaction time were investigated. The surface chemistry of grafted samples was analyzed by FTIR-ATR spectroscopy, while their thermal properties were analyzed by TGA and DSC. The stimuli-responsive behavior was studied by swelling and contact angle in water, as well as by DSC. Sensitive films presented a critical pH and LCST.

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Authors and Affiliations

  1. Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, México DF, 04510, Mexico

    E. Bucio & G. Burillo

Authors
  1. E. Bucio
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  2. G. Burillo
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Correspondence to E. Bucio.

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Bucio, E., Burillo, G. Radiation-induced grafting of sensitive polymers. J Radioanal Nucl Chem 280, 239–243 (2009). https://doi.org/10.1007/s10967-009-0505-9

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  • DOI: https://doi.org/10.1007/s10967-009-0505-9

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