<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1692-3324</journal-id>
<journal-title><![CDATA[Revista Ingenierías Universidad de Medellín]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ing. univ. Medellín]]></abbrev-journal-title>
<issn>1692-3324</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Medellín]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1692-33242019000200111</article-id>
<article-id pub-id-type="doi">10.22395/rium.v18n35a7</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cambios en la estructura química del polietileno de alta densidad al experimentar múltiples reprocesamientos]]></article-title>
<article-title xml:lang="en"><![CDATA[Changes in the Chemical Structure of High-Density Polyethylene when Undergoing Multiple Reprocessing]]></article-title>
<article-title xml:lang="pt"><![CDATA[Mudanças na estrutura química do polietileno de alta densidade ao experimentar múltiplos reprocessamentos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-Giraldo]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-González]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gálviz-García]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<numero>35</numero>
<fpage>111</fpage>
<lpage>124</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1692-33242019000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1692-33242019000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1692-33242019000200111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo, que presenta los resultados originales de una investigación financiada por Colciencias y la Facultad de Ingeniería y Arquitectura de la Universidad Nacional de Colombia, sede Manizales, se identifican los cambios en la estructura química del polietileno de alta densidad grado extrusión y grado inyección después de ser sometidos a cinco reprocesamientos en procesos de extrusión, inyección y extrusión/inyección. La identificación de los cambios se realiza a través de la comparación del espectro FTIR con los reportados en diferentes referencias bibliográficas. Los espectros FTIR fueron obtenidos mediante un espectrómetro ATR Platinum. La degradación térmica fue mayor en el proceso de extrusión/inyección, seguido por inyección, extrusión, extrusión a 80 rpm y extrusión a 20 rpm. Se concluye que existe una baja degradación del polietileno de alta densidad después de ser reprocesado en cinco ciclos, se evidencia así la aparición del grupo carbonilo, grupos vinilo y grupo COC.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this paper, which presents the original results of a research funded by Colciencias and Facultad de Ingeniería y Arquitectura from the Universidad Nacional de Colombia, headquarters Manizales, publishes the changes of high-density polyethylene extrusion and injection grade identified after being subjected to five reprocessing processes in extrusion, injection and extrusion/ injection. The identification of the changes is made through the comparison of the FTIR spectrum with those reported in different bibliographical references. The spectra were obtained by means of a Platinum ATR spectrometer. The thermal degradation was greater in the extrusion/injection process, followed by injection, extrusion at 80 rpm and extrusion at 20 rpm. It is concluded that there is a low degradation of high-density polyethylene after being reprocessed in five cycles, evidencing the appearance of the carbonyl group, vinyl groups and COC group.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Neste artigo, que apresenta os resultados originais de uma pesquisa financiada por Colciencias e pela Faculdade de Engenharia e Arquitetura da Universidad Nacional de Colombia, sede Manizales, são identificadas as mudanças na estrutura química do polietileno de alta densidade grau extrusão e grau injeção depois de serem submetidos a cinco reprocessamentos em processos de extrusão, injeção e extrusão/injeção. A identificação das mudanças é realizada por meio da comparação do espectro FTIR com o que foi relatado em diferentes referências bibliográficas. Os espectros FTIR foram obtidos por meio de um espectrômetro ATR Platinum. A degradação térmica foi maior no processo de extrusão/injeção, seguido por injeção, extrusão, extrusão a 80 rpm e extrusão a 20 rpm. Conclui-se que existe uma baixa degradação do polietileno de alta densidade depois de ser reprocessado em cinco ciclos, assim fica evidente o surgimento do grupo carbonila, grupos vinilo e grupo COC.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[degradación térmica]]></kwd>
<kwd lng="es"><![CDATA[FTIR]]></kwd>
<kwd lng="es"><![CDATA[reprocesamiento en inyección]]></kwd>
<kwd lng="es"><![CDATA[reprocesamiento en extrusión]]></kwd>
<kwd lng="es"><![CDATA[polietileno de alta densidad]]></kwd>
<kwd lng="en"><![CDATA[thermal degradation]]></kwd>
<kwd lng="en"><![CDATA[FTIR]]></kwd>
<kwd lng="en"><![CDATA[injection reprocessing]]></kwd>
<kwd lng="en"><![CDATA[extrusion reprocessing]]></kwd>
<kwd lng="en"><![CDATA[high-density polyethylene]]></kwd>
<kwd lng="pt"><![CDATA[degradação térmica]]></kwd>
<kwd lng="pt"><![CDATA[FTIR]]></kwd>
<kwd lng="pt"><![CDATA[reprocessamento em injeção]]></kwd>
<kwd lng="pt"><![CDATA[reprocessamento em extrusão]]></kwd>
<kwd lng="pt"><![CDATA[polietileno de alta densidade]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Hui]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ahuja]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Feo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Fraternali]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recycling of plastic solid waste: A state of art review and future applications]]></article-title>
<source><![CDATA[Composites Part B: Engineering]]></source>
<year>2017</year>
<volume>115</volume>
<page-range>409-22</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Breen]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Last]]></surname>
<given-names><![CDATA[P. M]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Komadel]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Synergic chemical analysis - The coupling of TG with FTIR. MS and GC-MS 2. Catalytic transformation of the gases evolved during the thermal decomposition of HDPE using acid-activated clays]]></article-title>
<source><![CDATA[Thermochimica Acta]]></source>
<year>2000</year>
<volume>363</volume>
<page-range>93-104</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[A. F]]></given-names>
</name>
<name>
<surname><![CDATA[Osswald]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinación de la degradación térmica de polímeros por análisis de cambio de color]]></article-title>
<source><![CDATA[Ingeniería]]></source>
<year>2016</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-30</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas-González]]></surname>
<given-names><![CDATA[A. F]]></given-names>
</name>
<name>
<surname><![CDATA[Aranzazu-Ríos]]></surname>
<given-names><![CDATA[L. M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estabilidad de procesamiento de polímeros: índice de degradación en proceso]]></article-title>
<source><![CDATA[Revista Mutis]]></source>
<year>2015</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>37-45</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuadri]]></surname>
<given-names><![CDATA[A. A]]></given-names>
</name>
<name>
<surname><![CDATA[Martín-Alfonso]]></surname>
<given-names><![CDATA[J. E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of thermal and thermo-oxidative degradation conditions on rheological. chemical and thermal properties of HDPE]]></article-title>
<source><![CDATA[Polymer Degradation and Stability]]></source>
<year>2017</year>
<volume>141</volume>
<page-range>11-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abad]]></surname>
<given-names><![CDATA[M. J]]></given-names>
</name>
<name>
<surname><![CDATA[Ares]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Barral]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Cano]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Díez]]></surname>
<given-names><![CDATA[F. J]]></given-names>
</name>
<name>
<surname><![CDATA[García-Garabal]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of a mixture of stabilizers on the structure and mechanical properties of polyethylene during reprocessing]]></article-title>
<source><![CDATA[Journal of Applied Polymer Science]]></source>
<year>2004</year>
<volume>92</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>3910-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Apone]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Bongiovanni]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Braglia]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Scalia]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Priola]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of thermomechanical treatments on HDPE used for TLC ducts]]></article-title>
<source><![CDATA[Polymer testing]]></source>
<year>2003</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>275-80</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benoit]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[González-Núñez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High Density Polyethylene Degradation Followed by Closed- loop Recycling]]></article-title>
<source><![CDATA[Progress in Rubber, Plastics and Recycling Technology]]></source>
<year>2017</year>
<volume>33</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-37</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hifumi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ewing]]></surname>
<given-names><![CDATA[A. V]]></given-names>
</name>
<name>
<surname><![CDATA[G. Kazarian]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[ATR-FTIR spectroscopic imaging to study the drying and dissolution of pharmaceutical polymer-based films]]></article-title>
<source><![CDATA[International Journal of Pharmaceutics]]></source>
<year>2016</year>
<volume>515</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>57-68</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corrales]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Catalina]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Peinado]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[N. S]]></given-names>
</name>
<name>
<surname><![CDATA[Fontan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Photooxidative and thermal degradation of polyethylenes: Interrelationship by chemiluminescence, thermal gravimetric analysis and FTIR data]]></article-title>
<source><![CDATA[Journal of Photochemistry and Photobiology A: Chemistry]]></source>
<year>2002</year>
<volume>147</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>213-24</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendes]]></surname>
<given-names><![CDATA[L. C]]></given-names>
</name>
<name>
<surname><![CDATA[Rufino]]></surname>
<given-names><![CDATA[E. S]]></given-names>
</name>
<name>
<surname><![CDATA[De Paula]]></surname>
<given-names><![CDATA[F. O]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A. C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mechanical, thermal and microstructure evaluation of HDPE after weathering in Rio de Janeiro City]]></article-title>
<source><![CDATA[Polymer Degradation and Stability]]></source>
<year>2003</year>
<volume>79</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>371-83</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parthasarathi]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Sundaresan]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Dhanalakshmi]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Anbarasan]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Functionalization of HDPE with aminoester and hydroxyester by thermolysis method-An FTIR-RI approach]]></article-title>
<source><![CDATA[Thermochimica Acta]]></source>
<year>2010</year>
<volume>510</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>61-7</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilkie]]></surname>
<given-names><![CDATA[C. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[TGA/FTIR: an extremely useful technique for studying polymer degradation]]></article-title>
<source><![CDATA[Polymer Degradation and Stability]]></source>
<year>1999</year>
<volume>66</volume>
<page-range>301-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Achilias]]></surname>
<given-names><![CDATA[D. S]]></given-names>
</name>
<name>
<surname><![CDATA[Roupakias]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Megalokonomos]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Lappas]]></surname>
<given-names><![CDATA[A. A]]></given-names>
</name>
<name>
<surname><![CDATA[Antonakou]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical recycling of plastic wastes made from polyethylene (LDPE and HDPE) and polypropylene (PP)]]></article-title>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2007</year>
<volume>149</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>536-42</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gulmine]]></surname>
<given-names><![CDATA[J. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Janissek]]></surname>
<given-names><![CDATA[P. R]]></given-names>
</name>
<name>
<surname><![CDATA[Heise]]></surname>
<given-names><![CDATA[H. M]]></given-names>
</name>
<name>
<surname><![CDATA[Akcelrud]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polyethylene characterization by FTIR]]></article-title>
<source><![CDATA[Polymer Testing]]></source>
<year>2002</year>
<volume>21</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>557-63</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[B. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentals of Fourier transform infrared spectroscopy]]></source>
<year>2011</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kann]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Shurgalin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Krishnaswamy]]></surname>
<given-names><![CDATA[R. K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[FTIR spectroscopy for analysis of crystallinity of poly(3-hydroxybutyrate-co-4 -hydroxybutyrate) polymers and its utilization in evaluation of aging, orientation and composition]]></article-title>
<source><![CDATA[Polymer Testing]]></source>
<year>2014</year>
<volume>40</volume>
<page-range>218-24</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loultcheva]]></surname>
<given-names><![CDATA[M. K]]></given-names>
</name>
<name>
<surname><![CDATA[Proietto]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jilov]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[La Mantia]]></surname>
<given-names><![CDATA[F. P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recycling of high density polyethylene containers]]></article-title>
<source><![CDATA[Polymer degradation and stability]]></source>
<year>1997</year>
<volume>57</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-81</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>[19]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oblak]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[González-Gutiérrez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zupancic]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Aulova]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Emri]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Processability and mechanical properties of extensively recycled high density polyethylene]]></article-title>
<source><![CDATA[Polymer Degradation and stability]]></source>
<year>2015</year>
<volume>114</volume>
<page-range>133-45</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>[20]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kriston]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Foldes]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Staniek]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Pukánszky]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dominating reactions in the degradation of HDPE during long term ageing in water]]></article-title>
<source><![CDATA[Polymer Degradation and Stability]]></source>
<year>2008</year>
<volume>93</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1715-22</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>[21]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[A]]></surname>
<given-names><![CDATA[Kumar]]></given-names>
</name>
<name>
<surname><![CDATA[Venkatappa-Rao]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ray-Chowdhury]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ramana-Reddy]]></surname>
<given-names><![CDATA[S. V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compatibility confirmation and refinement of thermal and mechanical properties of poly (lactic acid)/poly (ethylene-co-glycidyl methacrylate) blend reinforced by hexagonal boron nitride]]></article-title>
<source><![CDATA[React. Funct. Polyme]]></source>
<year>2017</year>
<volume>117</volume>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>[22]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[A. S. F]]></given-names>
</name>
<name>
<surname><![CDATA[Agnelli]]></surname>
<given-names><![CDATA[J. A. M]]></given-names>
</name>
<name>
<surname><![CDATA[Trevisan]]></surname>
<given-names><![CDATA[D. W]]></given-names>
</name>
<name>
<surname><![CDATA[Manrich]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Degradation and stabilization of polyolefins from municipal plastic waste during multiple extrusions under different reprocessing conditions]]></article-title>
<source><![CDATA[Polymer Degradation and Stability]]></source>
<year>2002</year>
<volume>77</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>441-7</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>[23]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Riba]]></surname>
<given-names><![CDATA[J. R]]></given-names>
</name>
<name>
<surname><![CDATA[Cailloux]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Cantero]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Canals]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Maspoch]]></surname>
<given-names><![CDATA[M. L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multivariable methods applied to FTIR: A powerful technique to highlight architectural changes in poly(lactic acid)]]></article-title>
<source><![CDATA[Polym. Test]]></source>
<year>2018</year>
<volume>65</volume>
<page-range>264-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
