<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-07T13:07:24Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/10106" metadataPrefix="marc">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/10106</identifier><datestamp>2025-01-31T01:05:37Z</datestamp><setSpec>com_10259_6251</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>col_10259_6252</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
<leader>00925njm 22002777a 4500</leader>
<datafield tag="042" ind1=" " ind2=" ">
<subfield code="a">dc</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Salas García, Miguel Ángel</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Pérez Acebo, Heriberto</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="260" ind1=" " ind2=" ">
<subfield code="c">2018</subfield>
</datafield>
<datafield tag="520" ind1=" " ind2=" ">
<subfield code="a">The aim of this paper is to analyse the suitability of recycled polyurethane (PU) foam as a binder modifier in mastic asphalts (MA). The results show that harder bitumen is achieved with an increasing percentage of PU, up to 5 %, when the workability of the sample becomes poor. A MA mix with a 4 % of PU in bitumen was manufactured. A lower indentation was observed when compared to a virgin sample, and it was established that the modified MA can be used on heavy-traffic roads. These results suggest a promising use of this waste polymer.</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">0350-2465</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">http://hdl.handle.net/10259/10106</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">10.14256/JCE.2181.2017</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">1333-9095</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="653">
<subfield code="a">Polyurethane foam</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="653">
<subfield code="a">Mastic asphalt</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="653">
<subfield code="a">Bitumen modifier</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="653">
<subfield code="a">Polymer modified bitumen</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="653">
<subfield code="a">Indentation test</subfield>
</datafield>
<datafield tag="245" ind1="0" ind2="0">
<subfield code="a">Introduction of recycled polyurethane foam in mastic asphalt</subfield>
</datafield>
</record></metadata></record></GetRecord></OAI-PMH>