<?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>1794-9165</journal-id>
<journal-title><![CDATA[Ingeniería y Ciencia]]></journal-title>
<abbrev-journal-title><![CDATA[ing.cienc.]]></abbrev-journal-title>
<issn>1794-9165</issn>
<publisher>
<publisher-name><![CDATA[Escuela de Ciencias y Humanidades y Escuela de Ingeniería de la Universidad EAFIT]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-91652018000100207</article-id>
<article-id pub-id-type="doi">10.17230/ingciencia.14.27.9</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[From Obtaining to Degradation of PHB: A Literature Review. Part II]]></article-title>
<article-title xml:lang="es"><![CDATA[De la obtención a la degradación de PHB: Una revisión de la literatura. Parte II]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[Antonio José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira Dalla Valentina]]></surname>
<given-names><![CDATA[Luiz Veriano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hidalgo Schulz]]></surname>
<given-names><![CDATA[Andrey Alayo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tomaz Duarte]]></surname>
<given-names><![CDATA[Marcia Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Universitario Sociesc - UNISOCIESC  ]]></institution>
<addr-line><![CDATA[Joinville ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade do Estado de Santa Catarina - UDESC  ]]></institution>
<addr-line><![CDATA[Joinville ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Universitario Sociesc - UNISOCIESC  ]]></institution>
<addr-line><![CDATA[Joinville ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Universitario Sociesc - UNISOCIESC  ]]></institution>
<addr-line><![CDATA[Joinville ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>14</volume>
<numero>27</numero>
<fpage>207</fpage>
<lpage>228</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-91652018000100207&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-91652018000100207&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-91652018000100207&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In our previous review (Part I - Material Properties), the chemical, physical and morphological properties, applications and mechanisms of obtaining poly (3-hydroxybutyrate) were discussed. PHB is a biologically based polymer that presents itself as an ecological option due to its characteristic degradation before environmental factors and due to the action of microorganisms such as algae, fungi and bacteria. In this second review, aspects related to the types of degradation to which this polymer is subjected and the necessary conditions for its degradation are addressed. Among these mechanisms are thermo-degradation, thermo-mechanical degradation, abiotic degradation, photo degradation and biodegradation. It is understood that the degradation of PHB can be seen as an advantageous feature of this material. This review complements the previous one and uses the same terminology.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En nuestra revisión anterior (parte I - propiedades del material), se dis- cutieron las propiedades químicas, físicas y morfológicas, aplicaciones y mecanismos de obtención del poli (3-hidroxibutirato). El PHB es un polímero de base biológica que se presenta como una opción ecológica debido a su característica de degradación en la presencia de factores ambientales y debido a la acción de microorganismos como algas, hongos y bacterias. En esta segunda revisión se abordan aspectos relacionados con los tipos de degradación a los que este polímero está sujeto y las condiciones nece- sarias para su degradación. Entre estos mecanismos están la degradación térmica, la degradación termomecánica, la degradación abiótica, la foto de degradación y la biodegradación. Se percibe que la degradación del PHB puede ser vista como una característica ventajosa de este material. Esta revisión complementa la anterior y utiliza la misma terminología.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Biopolymers]]></kwd>
<kwd lng="en"><![CDATA[degradation of PHB]]></kwd>
<kwd lng="en"><![CDATA[poly(hydroxyalkanoate) (PHA)]]></kwd>
<kwd lng="en"><![CDATA[poly(3-hydroxybutyrate) (PHB)]]></kwd>
<kwd lng="es"><![CDATA[Biopolímeros]]></kwd>
<kwd lng="es"><![CDATA[degradación de PHB]]></kwd>
<kwd lng="es"><![CDATA[poli(hidroxialcanoato)(PHA)]]></kwd>
<kwd lng="es"><![CDATA[poli(hidroxibutirato)(PHB)]]></kwd>
</kwd-group>
</article-meta>
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