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Behavior of Linear Low Density Polyethylene Films under UV Ageing for Agricultural Application

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Characterization of Minerals, Metals, and Materials 2015

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Abstract

Polymers are susceptible to changes in their chemical structures that affect their mechanical properties under weather condition. Exposure of plastics to UV radiation causes a loss in their mechanical properties and/or change in appearance, including reduced ductility, color changes, yellowing and cracking. Today, there are several additive systems (light stabilizers) developed to work according to resin, final application, type of cultivation, and other characteristics. This study evaluates the different additive systems (Hindered Amine Light Stabilizer — HALS, nano calcium carbonate — NPCC, nZnO and nTiO2), applied 0.75% (in weight) in linear low density polyethylene (LLDPE). The samples were mixed by high rotation homogenizer and extrusion. Later, the samples were molded by injection and aged in QUV-B simulating 6 months of exposure to weather. Tests of FT-IR and tensile strength comparing to the non-aged samples were carried out in order to evaluate the performance of several additive systems.

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Author information

Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares (IPEN / CNEN - SP), Av. Professor Lineu Prestes, 224205508-000, São Paulo, SP, Brazil

    Patricia Negrini Siqueira Poveda

  2. Centro Universitário Fundação de Santo André (FSA - FAENG), Av. Príncipe de Gales, 821 - Bairro Príncipe de Gales, 09060-650, Santo André, SP, Brazil

    Hamilton Magalhães Viana & Leonardo Gondim de Andrade Silva

Authors
  1. Patricia Negrini Siqueira Poveda
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  2. Hamilton Magalhães Viana
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  3. Leonardo Gondim de Andrade Silva
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Corresponding author

Correspondence to Patricia Negrini Siqueira Poveda .

Editor information

Editors and Affiliations

  1. Materials Science and Technology Division, Los Alamos National Laboratory, Canada

    John S. Carpenter (technical staff member) (technical staff member)

  2. Department of Metallurgical Engineering, School of Materials Science and Engineering, Chongqing University, China

    Chenguang Bai (Professor) (Professor)

  3. School of Engineering and Information Technology, UNSW Australia at the Australian Defence Force Academy, Australia

    Juan Pablo Escobedo (Lecturer) (Lecturer)

  4. Department of Materials Science and Engineering, Michigan Technological University, USA

    Jiann-Yang Hwang (Professor) (Professor)

  5. University of Jordan, Jordan

    Shadia Ikhmayies B.Sc. from the physics department

  6. Department of Materials Science and Engineering and Institute of Materials Processing, Michigan Technological University, USA

    Bowen Li (Research Associate Professor) (Research Associate Professor)

  7. CanmetMATERIALS in Natural Resources Canada, Canada

    Jian Li (research scientist) (research scientist)

  8. Military Institute of Engineering (IME), Rio de Janeiro, Brazil

    Sergio Neves Monteiro (Professor) (Professor)

  9. Department of Materials Science and Engineering, Michigan Technological University, USA

    Zhiwei Peng (Research Assistant Professor, a new faculty member) (Research Assistant Professor, a new faculty member)

  10. Central South University, China

    Zhiwei Peng (Research Assistant Professor, a new faculty member) (Research Assistant Professor, a new faculty member)

  11. ArcelorMittal Global R&D, East Chicago, Indiana, USA

    Mingming Zhang (a senior research engineer) (a senior research engineer)

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© 2015 TMS (The Minerals, Metals & Materials Society)

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Poveda, P.N.S., Viana, H.M., Silva, L. (2015). Behavior of Linear Low Density Polyethylene Films under UV Ageing for Agricultural Application. In: Carpenter, J.S., et al. Characterization of Minerals, Metals, and Materials 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48191-3_31

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