Investigating the Degradability of HDPE, LDPE, PE-BIO, and PE-OXO Films under UV-B Radiation

DOI PDF XML 被引用文献1件
  • A. Martínez-Romo
    Instituto Tecnológico de Aguascalientes, Avenida Adolfo López Mateos No. 1801 Ote, Fraccionamiento Bona Gens, 20256 Aguascalientes, AGS, Mexico
  • R. González-Mota
    Instituto Tecnológico de Aguascalientes, Avenida Adolfo López Mateos No. 1801 Ote, Fraccionamiento Bona Gens, 20256 Aguascalientes, AGS, Mexico
  • J. J. Soto-Bernal
    Instituto Tecnológico de Aguascalientes, Avenida Adolfo López Mateos No. 1801 Ote, Fraccionamiento Bona Gens, 20256 Aguascalientes, AGS, Mexico
  • I. Rosales-Candelas
    Instituto Tecnológico de Aguascalientes, Avenida Adolfo López Mateos No. 1801 Ote, Fraccionamiento Bona Gens, 20256 Aguascalientes, AGS, Mexico

書誌事項

公開日
2015
権利情報
  • http://creativecommons.org/licenses/by/3.0/
DOI
  • 10.1155/2015/586514
公開者
Hindawi Limited

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説明

<jats:p>The changes in structural properties of high density polyethylene films (HDPE), low density polyethylene films (LDPE), biodegradable polyethylene (PE-BIO), and oxodegradable polyethylene (PE-OXO) films exposed to UV-B radiation were studied. The carbonyl<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>I</mml:mi></mml:mrow><mml:mrow><mml:mtext>C</mml:mtext><mml:mtext>O</mml:mtext></mml:mrow></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:math>and vinyl<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>I</mml:mi></mml:mrow><mml:mrow><mml:mtext>V</mml:mtext></mml:mrow></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:math>index, the crystalline phase fraction, and the dichroic ratio were used to evaluate the photooxidation of these polymers. The results obtained show that LDPE and HDPE undergo a major degree of oxidation and an increase in the crystalline phase fraction comparing to PE-BIO and PE-OXO. If the LDPE and HDPE are pretreated by an accurate radiation UV-B dosage before its different commercial uses or in its final disposition, they can become an option for biodegradable material without the necessity of adding organic agents or photosensitizers.</jats:p>

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