{"id":22420,"date":"2022-07-29T12:04:17","date_gmt":"2022-07-29T10:04:17","guid":{"rendered":"https:\/\/deltatecnic.com\/evitar-degradacion-polimeros-decoloracion-cables-para-exteriores\/"},"modified":"2026-04-17T09:04:48","modified_gmt":"2026-04-17T07:04:48","slug":"evitar-degradacio-polimers-decoloracio-cables-per-exteriors","status":"publish","type":"post","link":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/","title":{"rendered":"Com evitar la degradaci\u00f3 dels pol\u00edmers i la decoloraci\u00f3 dels cables per a exteriors"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;22420&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;2&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (2 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Com evitar la degradaci\u00f3 dels pol\u00edmers i la decoloraci\u00f3 dels cables per a exteriors&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (2 votes)    <\/div>\n    <\/div>\n<p>Com podem evitar que les condicions exteriors degraden els nostres cables? Moltes empreses es fan aquesta pregunta en observar com els seus cables es decoloren i els pol\u00edmers perden les propietats mec\u00e0niques. Els cables per a exteriors pateixen les conseq\u00fc\u00e8ncies de lexposici\u00f3 a condicions com la llum, els canvis de temperatura i la humitat.<\/p>\n<p>Aquests efectes es poden resumir en dos conceptes: resist\u00e8ncia a la llum, que inclou l&#8217;exposici\u00f3 a la llum, i la intemp\u00e8rie, que, a m\u00e9s de la llum, inclou factors com ara la temperatura i la humitat. Cal distingir entre aquests conceptes en cercar solucions, ja que els pigments amb bona resist\u00e8ncia a la llum poden no funcionar adequadament en diferents rangs de temperatura o nivells de radiaci\u00f3 solar.<\/p>\n<p>Val m\u00e9s prevenir que curar. El comportament dels pigments en exteriors es pot mesurar mitjan\u00e7ant una prova que accelera lexposici\u00f3 dels pl\u00e0stics a diferents condicions de llum solar, temperatura i humitat. En altres paraules, hi ha m\u00e8todes efica\u00e7os per saber quin tipus de comportament esperar dels cables per a exteriors, cosa que facilita la selecci\u00f3 de pigments i, per tant, la predicci\u00f3 de la vida \u00fatil del cable.<\/p>\n<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/2o90LPcwWOA?si=sPNhsBs22ie9iAfu\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Per aquest motiu, les instal\u00b7lacions dedicades a l&#8217;energia o les xarxes sense fil requereixen un cable el disseny i les aplicacions del qual resisteixin la fotodegradaci\u00f3. Les ind\u00fastries que operen amb cables de mitjana tensi\u00f3, cables fotovoltaics per a panells solars, cables dalimentaci\u00f3 per a edificis o cables de fibra \u00f2ptica busquen evitar aquest proc\u00e9s acumulatiu i irreversible.<\/p>\n<p>Per comprendre millor aix\u00f2, \u00e9s important saber que la radiaci\u00f3 ultraviolada (UV) causa degradaci\u00f3 fotooxidativa, la qual provoca el trencament dels cables de pol\u00edmer. Aix\u00f2 genera radicals lliures, que inicien una reacci\u00f3 en cadena que degrada l&#8217;aspecte visual del cable, la seva brillantor i superf\u00edcie, aix\u00ed com les seves propietats mec\u00e0niques, limitant aix\u00ed la seva vida \u00fatil.<\/p>\n<h2>Prevenci\u00f3 de la fotodegradaci\u00f3 en pol\u00edmers de cables<\/h2>\n<p>Hi ha tres estrat\u00e8gies per mitigar la fotodegradaci\u00f3 de pol\u00edmers. La primera consisteix a utilitzar additius anomenats filtres UV, que absorbeixen la llum ultraviolada causant de la degradaci\u00f3. D&#8217;aquesta manera, quan la llum solar entra en contacte amb aquests additius, reaccionen i impedeixen que la llum arribi al pol\u00edmer, actuant com un para-sol.<\/p>\n<p>Tamb\u00e9 es poden utilitzar HALS (estabilitzadors de llum d&#8217;amina impedida), additius que reaccionen amb els radicals lliures, bloquejant-los i evitant la ruptura de les cadenes polim\u00e8riques. Quan la llum ultraviolada incideix i es genera un radical lliure, els HALS actuen per aturar el proc\u00e9s de degradaci\u00f3.<\/p>\n<p>Les combinacions sin\u00e8rgiques d&#8217;aquestes dues fam\u00edlies d&#8217;additius tamb\u00e9 es fan servir amb molt bons resultats. Aix\u00ed mateix, \u00e9s com\u00fa l&#8217;addici\u00f3 d&#8217;additius antioxidants per evitar la degradaci\u00f3 del pol\u00edmer a causa de l&#8217;estr\u00e8s t\u00e8rmic.<\/p>\n<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/kuvg7rDc2Sc?si=_BWXMJ0AIFZRV4Gv\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>En tercer lloc, el proc\u00e9s es pot aturar utilitzant el negre de fum, que presenta una alta taxa d&#8217;absorci\u00f3 de radiaci\u00f3 ultraviolada. L&#8217;avantatge del negre de fum \u00e9s que captura l&#8217;energia i impedeix que reaccioni amb el pol\u00edmer. Els negres de fum m\u00e9s efica\u00e7os s\u00f3n aquells amb la menor mida de part\u00edcula, ja que presenten una superf\u00edcie m\u00e9s gran per captar la radiaci\u00f3 solar.<\/p>\n<p>I qu\u00e8 passa amb el color? No hi ha cap additiu que protegeixi el color del cable com ho fa el pol\u00edmer. La soluci\u00f3, en aquest cas, consisteix a formular el color fent servir pigments preparats per resistir les condicions exteriors. En altres paraules, hem de, des del principi, seleccionar el pigment o la combinaci\u00f3 de pigments resistents a la llum adequats.<\/p>\n<p>Aix\u00ed mateix, es requereix un estudi exhaustiu del comportament dels pigments en els diferents tipus de pol\u00edmers utilitzats a la <a href=\"https:\/\/deltatecnic.com\/ca\/deltacolor-pvc\/cables\/\"><strong>ind\u00fastria del cable<\/strong><\/a> (PVC, <a href=\"https:\/\/deltatecnic.com\/ca\/resistencia-sense-renunciar-a-les-propietats-mecaniques\/\"><strong>HFFR<\/strong><\/a>, TPU, XLPE, EPDM, etc.) en exteriors. Comptar amb aquesta experi\u00e8ncia i coneixement profund \u00e9s fonamental per garantir l&#8217;estabilitat del color del cable durant la vida \u00fatil en exteriors. Per aix\u00f2 \u00e9s important col\u00b7laborar amb socis i col\u00b7laboradors capa\u00e7os de brindar assessorament i solucions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How can we prevent outdoor conditions from degrading our cables?<\/p>\n","protected":false},"author":14,"featured_media":13069,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[154],"tags":[],"class_list":["post-22420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-i-esdeveniments"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors<\/title>\n<meta name=\"description\" content=\"Solucions eficaces per evitar la degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors usant filtres UV, negre de fum i pigments\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors\" \/>\n<meta property=\"og:description\" content=\"Solucions eficaces per evitar la degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors usant filtres UV, negre de fum i pigments\" \/>\n<meta property=\"og:url\" content=\"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/\" \/>\n<meta property=\"og:site_name\" content=\"Delta Tecnic\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-29T10:04:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-17T07:04:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"699\" \/>\n\t<meta property=\"og:image:height\" content=\"437\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Delta Tecnic\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrit per\" \/>\n\t<meta name=\"twitter:data1\" content=\"Delta Tecnic\" \/>\n\t<meta name=\"twitter:label2\" content=\"Temps estimat de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuts\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors","description":"Solucions eficaces per evitar la degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors usant filtres UV, negre de fum i pigments","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/","og_locale":"ca_ES","og_type":"article","og_title":"Degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors","og_description":"Solucions eficaces per evitar la degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors usant filtres UV, negre de fum i pigments","og_url":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/","og_site_name":"Delta Tecnic","article_published_time":"2022-07-29T10:04:17+00:00","article_modified_time":"2026-04-17T07:04:48+00:00","og_image":[{"width":699,"height":437,"url":"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg","type":"image\/jpeg"}],"author":"Delta Tecnic","twitter_card":"summary_large_image","twitter_misc":{"Escrit per":"Delta Tecnic","Temps estimat de lectura":"4 minuts"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#article","isPartOf":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/"},"author":{"name":"Delta Tecnic","@id":"https:\/\/deltatecnic.com\/ca\/#\/schema\/person\/0ad93cc0a341e16a1d514c7bdc1675c4"},"headline":"Com evitar la degradaci\u00f3 dels pol\u00edmers i la decoloraci\u00f3 dels cables per a exteriors","datePublished":"2022-07-29T10:04:17+00:00","dateModified":"2026-04-17T07:04:48+00:00","mainEntityOfPage":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/"},"wordCount":712,"image":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#primaryimage"},"thumbnailUrl":"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg","articleSection":["Not\u00edcies i Esdeveniments"],"inLanguage":"ca"},{"@type":"WebPage","@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/","url":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/","name":"Degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors","isPartOf":{"@id":"https:\/\/deltatecnic.com\/ca\/#website"},"primaryImageOfPage":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#primaryimage"},"image":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#primaryimage"},"thumbnailUrl":"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg","datePublished":"2022-07-29T10:04:17+00:00","dateModified":"2026-04-17T07:04:48+00:00","author":{"@id":"https:\/\/deltatecnic.com\/ca\/#\/schema\/person\/0ad93cc0a341e16a1d514c7bdc1675c4"},"description":"Solucions eficaces per evitar la degradaci\u00f3 de pol\u00edmers i decoloraci\u00f3 en cables exteriors usant filtres UV, negre de fum i pigments","breadcrumb":{"@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#breadcrumb"},"inLanguage":"ca","potentialAction":[{"@type":"ReadAction","target":["https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/"]}]},{"@type":"ImageObject","inLanguage":"ca","@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#primaryimage","url":"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg","contentUrl":"https:\/\/deltatecnic.com\/wp-content\/uploads\/2022\/07\/UV.jpg","width":699,"height":437,"caption":"Delta tecnic UV sunlight"},{"@type":"BreadcrumbList","@id":"https:\/\/deltatecnic.com\/ca\/evitar-degradacio-polimers-decoloracio-cables-per-exteriors\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Inici","item":"https:\/\/deltatecnic.com\/ca\/"},{"@type":"ListItem","position":2,"name":"Com evitar la degradaci\u00f3 dels pol\u00edmers i la decoloraci\u00f3 dels cables per a exteriors"}]},{"@type":"WebSite","@id":"https:\/\/deltatecnic.com\/ca\/#website","url":"https:\/\/deltatecnic.com\/ca\/","name":"Delta Tecnic","description":"Bringing colour to life","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/deltatecnic.com\/ca\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ca"},{"@type":"Person","@id":"https:\/\/deltatecnic.com\/ca\/#\/schema\/person\/0ad93cc0a341e16a1d514c7bdc1675c4","name":"Delta Tecnic","image":{"@type":"ImageObject","inLanguage":"ca","@id":"https:\/\/deltatecnic.com\/ca\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/3d75861c88e3652747618694fb1eef1d2e6822db079042029bb64c3d5e22c25f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/3d75861c88e3652747618694fb1eef1d2e6822db079042029bb64c3d5e22c25f?s=96&d=mm&r=g","caption":"Delta Tecnic"},"url":"https:\/\/deltatecnic.com\/ca\/author\/eva\/"}]}},"_links":{"self":[{"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/posts\/22420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/comments?post=22420"}],"version-history":[{"count":2,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/posts\/22420\/revisions"}],"predecessor-version":[{"id":22422,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/posts\/22420\/revisions\/22422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/media\/13069"}],"wp:attachment":[{"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/media?parent=22420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/categories?post=22420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deltatecnic.com\/ca\/wp-json\/wp\/v2\/tags?post=22420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}