{"id":25280,"date":"2016-12-14T00:00:00","date_gmt":"2016-12-13T23:00:00","guid":{"rendered":"https:\/\/lati.com\/pps-renforce-pour-lelectronique-de-precision-hautes-performances-pour-les-composants-miniaturises\/"},"modified":"2026-03-18T12:53:43","modified_gmt":"2026-03-18T11:53:43","slug":"pps-renforce-pour-lelectronique-de-precision-hautes-performances-pour-les-composants-miniaturises","status":"publish","type":"post","link":"https:\/\/lati.com\/fr\/pps-renforce-pour-lelectronique-de-precision-hautes-performances-pour-les-composants-miniaturises\/","title":{"rendered":"PPS renforc\u00e9 pour l\u2019\u00e9lectronique de pr\u00e9cision : hautes performances pour les composants miniaturis\u00e9s"},"content":{"rendered":"<p>Le secteur de l\u2019<strong>\u00e9lectronique de pr\u00e9cision<\/strong> et des <strong>t\u00e9l\u00e9communications<\/strong> exige aujourd\u2019hui des mat\u00e9riaux capables d\u2019offrir le plus haut niveau de <strong>performances m\u00e9caniques, thermiques et di\u00e9lectriques<\/strong>.<br \/>\nLa miniaturisation croissante des composants et l\u2019augmentation des <strong>temp\u00e9ratures de fonctionnement<\/strong> imposent l\u2019utilisation de polym\u00e8res techniques avanc\u00e9s tels que le <strong>PPS renforc\u00e9 (sulfure de polyph\u00e9nyl\u00e8ne)<\/strong>, l\u2019une des solutions les plus fiables pour les applications hautes performances.<\/p>\n<h2>Pourquoi le PPS est id\u00e9al pour l\u2019\u00e9lectronique de pr\u00e9cision<\/h2>\n<p>Avec l\u2019\u00e9volution de l\u2019\u00e9lectronique moderne, les mat\u00e9riaux utilis\u00e9s doivent garantir :<\/p>\n<ul>\n<li><strong>Une stabilit\u00e9 dimensionnelle<\/strong> m\u00eame \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es ;<\/li>\n<li><strong>Une r\u00e9sistance au feu certifi\u00e9e<\/strong> pour la s\u00e9curit\u00e9 des appareils ;<\/li>\n<li><strong>Une excellente aptitude \u00e0 la mise en \u0153uvre<\/strong> pour des g\u00e9om\u00e9tries complexes et fines ;<\/li>\n<li><strong>Une compatibilit\u00e9 \u00e9lectrique et thermique<\/strong> pour les composants sensibles ;<\/li>\n<li><strong>Une durabilit\u00e9 \u00e0 long terme<\/strong> m\u00eame sous des charges thermiques continues.<\/li>\n<\/ul>\n<p>Le <strong>PPS renforc\u00e9 de fibres de verre<\/strong> r\u00e9pond pleinement \u00e0 ces exigences, en maintenant un \u00e9quilibre entre <strong>rigidit\u00e9, r\u00e9sistance thermique et isolation \u00e9lectrique<\/strong>, y compris dans les contextes d\u2019application les plus s\u00e9v\u00e8res.<\/p>\n<h2>Cas d\u2019application : bobines de transformateur en PPS renforc\u00e9<\/h2>\n<p>Un exemple concret provient de <strong>F.lli Motta Srl<\/strong>, une entreprise sp\u00e9cialis\u00e9e dans la production de <strong>composants pour transformateurs et inductances<\/strong>.<br \/>\nPour des bobines ferrite d\u2019une nouvelle s\u00e9rie de <strong>transformateurs de pr\u00e9cision<\/strong>, l\u2019entreprise a choisi le <strong>compound LARTON G\/40<\/strong>, formul\u00e9 par LATI \u00e0 base de <strong>PPS renforc\u00e9 \u00e0 40 % de fibres de verre<\/strong>.<\/p>\n<p>Cette solution a \u00e9t\u00e9 s\u00e9lectionn\u00e9e pour r\u00e9pondre \u00e0 des exigences de conception strictes :<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Exigence technique<\/strong><\/td>\n<td><strong>Sp\u00e9cification<\/strong><\/td>\n<td><strong>Avantage<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>R\u00e9sistance thermique<\/strong><\/td>\n<td>\u2265150\u00b0C en continu<\/td>\n<td>Stabilit\u00e9 op\u00e9rationnelle \u00e0 haute temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u00e9sistance au feu<\/strong><\/td>\n<td>UL94 V0 @ 0.42 mm<\/td>\n<td>S\u00e9curit\u00e9 \u00e9lectrique garantie<\/td>\n<\/tr>\n<tr>\n<td><strong>Remplissage du moule<\/strong><\/td>\n<td>\u00c9paisseurs &lt;0.5 mm<\/td>\n<td>Pr\u00e9cision dans les g\u00e9om\u00e9tries miniaturis\u00e9es<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u00e9sistance m\u00e9canique<\/strong><\/td>\n<td>\u00c9lev\u00e9e<\/td>\n<td>Insertion des broches et des composants sans d\u00e9formation<\/td>\n<\/tr>\n<tr>\n<td><strong>Stabilit\u00e9 dimensionnelle<\/strong><\/td>\n<td>Excellente<\/td>\n<td>Aucune d\u00e9formation dans le temps<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Gr\u00e2ce \u00e0 sa <strong>r\u00e9sistance au vieillissement thermique<\/strong> et \u00e0 sa <strong>faible tendance au fluage<\/strong>, <strong>LARTON G\/40<\/strong> permet de produire des composants compacts, pr\u00e9cis et stables dans le temps \u2014 des qualit\u00e9s essentielles pour l\u2019\u00e9lectronique de puissance et de pr\u00e9cision.<\/p>\n<h2>Propri\u00e9t\u00e9s du PPS renforc\u00e9 : au-del\u00e0 de la miniaturisation<\/h2>\n<p>Le <g id=\"gid_0\">PPS (sulfure de polyph\u00e9nyl\u00e8ne)<\/g> est un <strong>polym\u00e8re semi-cristallin hautes performances<\/strong> offrant une combinaison unique de caract\u00e9ristiques :  <\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Propri\u00e9t\u00e9<\/strong><\/td>\n<td><strong>Description technique<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Temp\u00e9rature d\u2019utilisation en continu<\/strong><\/td>\n<td>jusqu\u2019\u00e0 200\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Absorption d\u2019humidit\u00e9<\/strong><\/td>\n<td>Tr\u00e8s faible (&lt;0.02%)<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u00e9sistance chimique<\/strong><\/td>\n<td>Excellente face aux solvants, huiles et carburants<\/td>\n<\/tr>\n<tr>\n<td><strong>Comportement \u00e9lectrique<\/strong><\/td>\n<td>Excellent isolant, m\u00eame en environnements humides<\/td>\n<\/tr>\n<tr>\n<td><strong>Stabilit\u00e9 dimensionnelle<\/strong><\/td>\n<td>\u00c9lev\u00e9e, m\u00eame avec des fibres de renfort<\/td>\n<\/tr>\n<tr>\n<td><strong>Retardateur de flamme intrins\u00e8que<\/strong><\/td>\n<td>Sans additifs halog\u00e9n\u00e9s (UL94 V0)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Gr\u00e2ce \u00e0 ces propri\u00e9t\u00e9s, le <strong>PPS renforc\u00e9<\/strong> est aujourd\u2019hui un mat\u00e9riau de r\u00e9f\u00e9rence dans la <strong>fabrication de composants \u00e9lectroniques \u00e0 forte densit\u00e9 de puissance<\/strong>, tels que :<\/p>\n<ul>\n<li><strong>Transformateurs et bobines de pr\u00e9cision<\/strong><\/li>\n<li><strong>Connecteurs miniaturis\u00e9s haute temp\u00e9rature<\/strong><\/li>\n<li><strong>Supports et ch\u00e2ssis pour cartes de circuits imprim\u00e9s (PCB)<\/strong><\/li>\n<li><strong>Composants pour capteurs et modules RF<\/strong><\/li>\n<\/ul>\n<h2>LARTON G\/40 : PPS renforc\u00e9 \u00e0 40 % de fibres de verre<\/h2>\n<p><strong>LARTON G\/40<\/strong> repr\u00e9sente un \u00e9quilibre id\u00e9al entre <strong>rigidit\u00e9 structurelle<\/strong> et <strong>facilit\u00e9 de mise en \u0153uvre<\/strong>.<br \/>\nLa pr\u00e9sence de <strong>40 % de fibres de verre<\/strong> conf\u00e8re au mat\u00e9riau une <strong>r\u00e9sistance m\u00e9canique<\/strong> \u00e9lev\u00e9e sans compromettre la <strong>pr\u00e9cision de moulage<\/strong>, m\u00eame dans des cavit\u00e9s tr\u00e8s fines (&lt;0.5 mm).<\/p>\n<p>De plus, le PPS pr\u00e9sente un <strong>coefficient de dilatation thermique r\u00e9duit<\/strong>, ce qui minimise le risque de d\u00e9formation des composants soumis \u00e0 des <strong>cycles thermiques r\u00e9p\u00e9t\u00e9s<\/strong>.<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Propri\u00e9t\u00e9<\/strong><\/td>\n<td><strong>Valeur typique<\/strong><\/td>\n<td><strong>Norme<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Densit\u00e9<\/td>\n<td>1.65 g\/cm\u00b3<\/td>\n<td>ISO 1183<\/td>\n<\/tr>\n<tr>\n<td>Module d\u2019\u00e9lasticit\u00e9<\/td>\n<td>&gt;10 GPa<\/td>\n<td>ISO 527<\/td>\n<\/tr>\n<tr>\n<td>Temp\u00e9rature de fl\u00e9chissement sous charge<\/td>\n<td>&gt;260\u00b0C<\/td>\n<td>ISO 75<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance au feu<\/td>\n<td>UL94 V0<\/td>\n<td>ASTM D635<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction<\/td>\n<td>&gt;150 MPa<\/td>\n<td>ISO 527<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Avantages de l\u2019utilisation du PPS renforc\u00e9 en \u00e9lectronique<\/h2>\n<table>\n<thead>\n<tr>\n<td><strong>Avantage<\/strong><\/td>\n<td><strong>Description<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>S\u00e9curit\u00e9 \u00e9lectrique<\/strong><\/td>\n<td>Retardateur de flamme UL94 V0 sans additifs halog\u00e9n\u00e9s<\/td>\n<\/tr>\n<tr>\n<td><strong>Fiabilit\u00e9 thermique<\/strong><\/td>\n<td>Performances constantes jusqu\u2019\u00e0 150\u2013200\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u00e9cision dimensionnelle<\/strong><\/td>\n<td>Id\u00e9al pour les g\u00e9om\u00e9tries miniaturis\u00e9es<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u00e9sistance au vieillissement<\/strong><\/td>\n<td>Aucune perte de performance dans le temps<\/td>\n<\/tr>\n<tr>\n<td><strong>Compatibilit\u00e9 environnementale<\/strong><\/td>\n<td>Conforme RoHS et exempt de substances dangereuses<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Alternatives LATI en PPS pour diff\u00e9rents secteurs \u00e9lectroniques<\/h2>\n<p>LATI propose une <strong>gamme compl\u00e8te de compounds de PPS renforc\u00e9<\/strong> pour des applications \u00e9lectriques, \u00e9lectroniques et industrielles :   <\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Compound LATI<\/strong><\/td>\n<td><strong>Renfort<\/strong><\/td>\n<td><strong>Application typique<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>LARTON G\/30<\/strong><\/td>\n<td>30 % verre<\/td>\n<td>Connecteurs et supports l\u00e9gers<\/td>\n<\/tr>\n<tr>\n<td><strong>LARTON G\/40<\/strong><\/td>\n<td>40 % verre<\/td>\n<td>Transformateurs et bobines de pr\u00e9cision<\/td>\n<\/tr>\n<tr>\n<td><strong>LARTON G\/55<\/strong><\/td>\n<td>55 % verre<\/td>\n<td>Pi\u00e8ces structurelles et dissipatives<\/td>\n<\/tr>\n<tr>\n<td><strong>LARTON C\/40<\/strong><\/td>\n<td>40 % carbone<\/td>\n<td>Composants conducteurs ou de blindage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>FAQ \u2013 Questions fr\u00e9quentes sur les compounds de PPS renforc\u00e9 pour l\u2019\u00e9lectronique<\/h2>\n<ol>\n<li>  <strong> Quels sont les principaux avantages du PPS renforc\u00e9 pour l\u2019\u00e9lectronique de pr\u00e9cision ?<\/strong><br \/>\nIl garantit une <strong>stabilit\u00e9 thermique et dimensionnelle<\/strong>, une <strong>r\u00e9sistance m\u00e9canique<\/strong> \u00e9lev\u00e9e et une <strong>r\u00e9sistance au feu UL94 V0<\/strong>, id\u00e9ale pour les appareils miniaturis\u00e9s.<\/li>\n<li><strong>  Le PPS convient-il aux composants en contact avec des temp\u00e9ratures \u00e9lev\u00e9es ?<\/strong><br \/>\nOui. Les compounds de PPS peuvent fonctionner <strong>en continu au-del\u00e0 de 150\u00b0C<\/strong>, tout en conservant leurs propri\u00e9t\u00e9s m\u00e9caniques et isolantes.   <\/li>\n<li><strong>  Quelles applications typiques utilisent du PPS renforc\u00e9 ?<\/strong><br \/>\nConnecteurs, bobines de transformateur, composants de capteurs et structures de support en \u00e9lectronique et t\u00e9l\u00e9communications.<\/li>\n<\/ol>\n<h2>Conclusion et appel \u00e0 l\u2019action<\/h2>\n<p>Le <strong>PPS renforc\u00e9 pour l\u2019\u00e9lectronique de pr\u00e9cision<\/strong>, tel que <strong>LARTON G\/40<\/strong>, constitue une excellente solution pour celles et ceux qui recherchent <strong>stabilit\u00e9 dimensionnelle, s\u00e9curit\u00e9 \u00e9lectrique et r\u00e9sistance thermique<\/strong>.<br \/>\nParfait pour les applications o\u00f9 <strong>fiabilit\u00e9 et miniaturisation<\/strong> sont essentielles.<\/p>\n<p><strong>Souhaitez-vous am\u00e9liorer les performances de vos composants \u00e9lectroniques ?<\/strong><br \/>\n<a href=\"https:\/\/lati.com\/fr\/nous-contacter\/\">Demandez une <strong>consultation technique<\/strong><\/a><strong> aupr\u00e8s de LATI<\/strong> afin d\u2019identifier le <strong>compound de PPS<\/strong> le plus adapt\u00e9 \u00e0 votre projet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les exigences du domaine de l\u2019\u00e9lectronique et des t\u00e9l\u00e9communications deviennent de plus en plus extr\u00eames avec l\u2019avancement du d\u00e9veloppement technologique qui caract\u00e9rise ce secteur industriel.<\/p>\n","protected":false},"author":1,"featured_media":25281,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[644,623],"tags":[680],"class_list":["post-25280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrique-et-electronique","category-hautes-temperatures","tag-etude-de-cas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPS renforc\u00e9 pour l\u2019\u00e9lectronique de pr\u00e9cision<\/title>\n<meta name=\"description\" content=\"Compounds de PPS renforc\u00e9 pour l\u2019\u00e9lectronique de pr\u00e9cision : stabilit\u00e9 jusqu\u2019\u00e0 150\u00b0C, retardateur de flamme UL94 V0 et r\u00e9sistance au vieillissement\" \/>\n<meta name=\"robots\" content=\"index, follow, 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