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Characterization and Properties of Water-Blown Rigid Polyurethane Foams Reinforced with Silane-Modified Nanosepiolites Functionalized with Graphite. [PDF]

Materials (Basel), 2022
Santiago-Calvo M +6 more
europepmc +1 more source

Vida útil de dos barnices para exteriores mediante intemperismo artificial en madera de aile, pino y encino

Revista Chapingo: Serie Ciencias Forestales y del Ambiente, 2002
La principal función de los acabados para exteriores es proteger la madera contra los agentes del intemperismo, así como ayudar a mantener su apariencia.
J. C. Tamarit Urias +3 more
doaj

Sintesis de poliuretanos a partir de polioles obtenidos a partir del aceite de higuerilla modificado por transesterificación con pentaeritritol Polyurethanes sintetized of polyols obtained from castor oil modified by transesterification with pentaerythritol</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Química Nova</i>, 2008 </span><br><span class="r_content">Castor oil was reacted by transesterification with various percentages in mass of pentaerythritol to obtain different esters of pentaerythritol. Alternatively, glycerol was also used instead of pentaerythritol for the same reaction in order to establish ...</span><br><span class="r_sub"><i>Manuel F. Valero<span id="ma_3" style="display:none">, Jorge E. Pulido, Álvaro Ramírez, Zhengdong Cheng</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_3')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/cb845b3b31224c5f94e377eef3c8ac64" target="_blank" rel="nofollow" title="doaj.org/article/cb845b3b31224c5f94e377eef3c8ac64">doaj</a> </small> <div id="more_3" style="display:none"><a href="/sci_redir.php?doi=10.1590%2FS0100-40422008000800031" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.1590/S0100-40422008000800031'); alert('Copied the doi');">copy doi</a> <small>(10.1590/S0100-40422008000800031)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_3')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/71399691.pdf" target="_blank" rel="nofollow">Diseño de un prototipo para fabricación de probetas por el proceso de moldeo por transferencia de resina (RTM)</a> <b><a href="https://core.ac.uk/download/71399691.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2016 </span><br><span class="r_content">En la actualidad los procesos de manufactura en la industria donde se emplean producciones en serie, se han visto en la necesidad de automatizar algunos de ellos, con el fin de reducir costos, dar un mejor acabado, y aumentar la producción empresarial ...</span><br><span class="r_sub"><i>Beltrán Rivera, Carlos David<span id="ma_4" style="display:none">, Marin Monsalve, César Augusto</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_4')">+1 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/37026270" target="_blank" rel="nofollow" title="core.ac.uk/works/37026270">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.1590/S0100-40422008000600030" target="_blank" rel="nofollow">Síntese e caracterização de dispersões aquosas de poliuretanos à base de copolímeros em bloco de poli(glicol etilênico) e poli(glicol propilênico) Synthesis and characterization of polyurethane aquous dispersions based on poly(ethylene glycol) and poly(propylene glycol) block copolymers</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Química Nova</i>, 2008 </span><br><span class="r_content">Non-polluting polyurethane aqueous dispersions, with 40% of solids content, were synthesized based on block copolymers of poly(ethylene glycol) and poly(propylene glycol) (PEG-b-PPG), with PEG hydrophilic segments content of 7 and 25%, poly(propylene ...</span><br><span class="r_sub"><i>Fernanda M. B. Coutinho<span id="ma_5" style="display:none">, Marcia C. Delpech, Cristiane C. Santos, Rosiléa B. L. Almeida</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_5')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/7186e50905fa4784bbe85dd66497f8c8" target="_blank" rel="nofollow" title="doaj.org/article/7186e50905fa4784bbe85dd66497f8c8">doaj</a> </small> <div id="more_5" style="display:none"><a href="/sci_redir.php?doi=10.1590%2FS0100-40422008000600030" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.1590/S0100-40422008000600030'); alert('Copied the doi');">copy doi</a> <small>(10.1590/S0100-40422008000600030)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_5')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/61493239.pdf" target="_blank" rel="nofollow">Mejora de la termoconformabilidad del PHBV mediante mezclas biodegradables con poliuretano</a> <b><a href="http://repositori.uji.es/xmlui/bitstream/handle/10234/163668/Sanchez_2016_Mejora.pdf?sequence=1&isAllowed=y" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2015 </span><br><span class="r_content">Actas del Congreso publicadas por ed. Compobell. ISBN 978-84-942655-8-7Mezclas de poli (3-hidroxibutirato-co-3-hidroxivalerato) (PHBV) y poliuretano termoplástico (TPU) se obtuvieron mediante extrusión con el objetivo de mejorar la procesabilidad del ...</span><br><span class="r_sub"><i>Cabedo, Luis<span id="ma_6" style="display:none">, Gamez-Perez, Jose, González Ausejo, Jennifer, Sánchez-Safont, Estefanía</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_6')">+3 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/33966847" target="_blank" rel="nofollow" title="core.ac.uk/works/33966847">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.1590/S0100-40422010000400016" target="_blank" rel="nofollow">Poliuretanos elastoméricos obtenidos a partir de aceite de ricino y almidón de yuca original y modificado con anhídrido propiónico: síntesis, propiedades fisicoquímicas y fisicomecánicas Polyurethane elastomers from castor oil and chemically modified yucca starch: synthesis and physical-chemical, physical-mechanical and thermical properties</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Química Nova</i>, 2010 </span><br><span class="r_content">Chemical modification of cassava starch was conducted through an acylation reaction by using pyridine and propionic anhydride to replace the functional groups of starch. Polyurethane elastomers were prepared using suspensions of the mixture obtained from </span><br><span class="r_sub"><i>Manuel F. Valero<span id="ma_7" style="display:none">, Jorge E. Pulido, Álvaro Ramírez, Luz E. Higuita, Sandra M. Arias, Carlos S. Gonzáles, Leonidas J. Ruiz</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_7')">+6 more</a></small></i></span><br><small><a href="https://doaj.org/article/219261637d4d4d2f99c0918a27068de6" target="_blank" rel="nofollow" title="doaj.org/article/219261637d4d4d2f99c0918a27068de6">doaj</a> </small> <div id="more_7" style="display:none"><a href="/sci_redir.php?doi=10.1590%2FS0100-40422010000400016" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.1590/S0100-40422010000400016'); alert('Copied the doi');">copy doi</a> <small>(10.1590/S0100-40422010000400016)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_7')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/154798144.pdf" target="_blank" rel="nofollow">Síntesis y caracterización de resinas a base de aceite de linaza epoxidado y xilitol</a> <b><a href="http://ri.uaemex.mx/bitstream/20.500.11799/76574/1/TESIS%20MCQ%20Albarran%20Preza_2015.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2016 </span><br><span class="r_content">En el presente trabajo se reporta la síntesis, caracterización y medición de las constantes dieléctricas de resinas a base de aceite de linaza epoxidado con xilitol.</span><br><span class="r_sub"><i>ALBARRAN PREZA, ESTHELA<span id="ma_8" style="display:none">, ALBARRAN PREZA, ESTHELA</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_8')">+1 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/8772432" target="_blank" rel="nofollow" title="core.ac.uk/works/8772432">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/55620446.pdf" target="_blank" rel="nofollow">Reabilitação de infra-estruturas de betão com ligantes de base geopolimérica</a> <b><a href="http://repositorium.sdum.uminho.pt/bitstream/1822/20084/1/Maquinaria%20224.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2012 </span><br><span class="r_content">A reabilitação de infra-estruturas degradadas constitui não só uma opção de matriz marcadamente eco-eficiente pelas poupanças de recursos e energia associadas como representa além disso a nível mundial um mercado na ordem dos 1012 euros (triliões ou ...</span><br><span class="r_sub"><i>Pacheco-Torgal, F.</i></span><br><small><a href="https://core.ac.uk/works/9814503" target="_blank" rel="nofollow" title="core.ac.uk/works/9814503">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.21577/0100-4042.20160172" target="_blank" rel="nofollow">Actividad antibacteriana, degradación hidrolítica y microbiana y citotoxicidad in vitro de poliuretanos sintetizados con polioles derivados del aceite de higuerilla</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Química Nova</i></span><br><span class="r_content">Biological activities from polyurethanes (PUs) synthesized from polyols (derived from castor oil) and isophorone diisocyanate were evaluated. In vitro degradability was evaluated by phosphate buffered saline (PBS) and antibacterial degradation with ...</span><br><span class="r_sub"><i>Yomaira L. Uscategui<span id="ma_10" style="display:none">, Luis E. Díaz, Manuel F. Valero</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_10')">+2 more</a></small></i></span><br><small><a href="https://doaj.org/article/d12d22b375e045c3b2ca157a288f180d" target="_blank" rel="nofollow" title="doaj.org/article/d12d22b375e045c3b2ca157a288f180d">doaj</a> </small> <div id="more_10" style="display:none"><a href="/sci_redir.php?doi=10.21577%2F0100-4042.20160172" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.21577/0100-4042.20160172'); alert('Copied the doi');">copy doi</a> <small>(10.21577/0100-4042.20160172)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_10')">+1 more source</a></small><br></div><div class="r"><div style="margin-bottom:2px;overflow:hidden"><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-polyurethanes/" class="suggestion"onclick="show_loader();"><b>polyurethanes</b></a><br/><a href="/q-poliuretano/" class="suggestion"onclick="show_loader();"><b>poliuretano</b></a><br/><a href="/q-polyurethane/" class="suggestion"onclick="show_loader();"><b>polyurethane</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-dispers%C3%B5es_aquosas/" class="suggestion"onclick="show_loader();"><b>dispersões aquosas</b></a><br/><a href="/q-aqueous_dispersions/" class="suggestion"onclick="show_loader();"><b>aqueous dispersions</b></a><br/><a href="/q-propriedades_mec%C3%A2nicas/" class="suggestion"onclick="show_loader();"><b>propriedades mecânicas</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-montmorilonita/" class="suggestion"onclick="show_loader();"><b>montmorilonita</b></a><br/><a href="/q-nanocomp%C3%B3sitos/" class="suggestion"onclick="show_loader();"><b>nanocompósitos</b></a><br/><a href="/q-nanocomposites/" class="suggestion"onclick="show_loader();"><b>nanocomposites</b></a><br/></div></div></div><div class="pagenav"><a href="/q-poliuretanos/p-8/" rel="nofollow"><b>previous</b></a> <a href="/q-poliuretanos/p-7/" rel="nofollow">7</a> <a href="/q-poliuretanos/p-8/" rel="nofollow">8</a> <b>9</b> <a href="/q-poliuretanos/p-10/" rel="nofollow">10</a> <a href="/q-poliuretanos/p-11/" rel="nofollow">11</a> <a href="/q-poliuretanos/p-10/" id="next" rel="nofollow"><b>next</b></a> </div><br></div> </div> <script>document.getElementById('loadingGif').style.display='none';</script><div style="width: 100%; height: 40px; bottom: 0px; background-color: #f5f5f5;"><div style="padding-left: 15px; padding-top: 10px"> <a href="/" rel="nofollow">Home</a> - <a href="/page-about/" rel="nofollow">About</a> - <a href="/page-disclaimer/" rel="nofollow">Disclaimer</a> - <a href="/page-privacy/" rel="nofollow">Privacy</a> </div></div> <link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.min.css"/> </body> </html>