{"id":9767,"date":"2024-06-19T14:51:06","date_gmt":"2024-06-19T14:51:06","guid":{"rendered":"https:\/\/fgti-distribution.fr\/?page_id=9767"},"modified":"2024-06-19T15:34:32","modified_gmt":"2024-06-19T15:34:32","slug":"les-polymeres-haute-performance","status":"publish","type":"page","link":"https:\/\/fgti-distribution.fr\/it\/les-polymeres-haute-performance\/","title":{"rendered":"Les polym\u00e8res haute performance"},"content":{"rendered":"

FGTI-Distribution > PTFE et Composites GTS > Les polym\u00e8res haute performance<\/div><\/div>
Notre partenaire GTS s\u2019est sp\u00e9cialis\u00e9 dans la fabrication de pi\u00e8ces polym\u00e8res haute performance.\n

\nLes polym\u00e8res haute performance sont des polym\u00e8res qui pr\u00e9sentent des propri\u00e9t\u00e9s m\u00e9caniques, thermiques, chimiques et \u00e9lectriques exceptionnelles par rapport aux plastiques standards. Ces mat\u00e9riaux sont con\u00e7us pour fonctionner dans des conditions extr\u00eames et offrir des performances sup\u00e9rieures dans diverses applications.\n

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Voici quelques caract\u00e9ristiques communes des thermoplastiques haute performance :\n
    \n
  • R\u00e9sistance thermique \u00e9lev\u00e9e<\/b> : ils peuvent r\u00e9sister \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es sans perdre leurs propri\u00e9t\u00e9s m\u00e9caniques.<\/li>\n
  • R\u00e9sistance chimique<\/b> : ils sont r\u00e9sistants \u00e0 de nombreux produits chimiques agressifs.<\/li>\n
  • R\u00e9sistance m\u00e9canique<\/b> : ils offrent une r\u00e9sistance m\u00e9canique \u00e9lev\u00e9e, y compris une bonne r\u00e9sistance \u00e0 l'usure et \u00e0 la fatigue.<\/li>\n
  • Isolation \u00e9lectrique<\/b> : certains polym\u00e8res haute performance sont d'excellents isolants \u00e9lectriques.<\/li>\n
  • Stabilit\u00e9 dimensionnelle<\/b> : ils maintiennent leurs formes et leurs dimensions m\u00eame dans des conditions difficiles.<\/li>\n
  • L\u00e9g\u00e8ret\u00e9<\/b> : souvent, ces plastiques sont l\u00e9gers tout en maintenant une grande r\u00e9sistance.<\/li>\n<\/ul>\n
    <\/div><\/div><\/div><\/div>
    \"composite<\/span><\/div><\/div><\/div><\/div><\/div><\/div>
    GTS produit et usine le PTFE\/TFM.\n
    \nParmi les thermoplastiques haute performante usin\u00e9s par GTS, on trouve :
    \n  - le PEEK (poly\u00e9ther\u00e9therc\u00e9tone)
    \n  - le POM (polyoxym\u00e9thyl\u00e8ne)
    \n  - le PI (polyimide)
    \n  - le TPU (polyur\u00e9thane thermoplastique)
    \n  - le PA (polyamide)\n

    <\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>
    \"FGTI<\/span><\/div><\/div><\/div><\/div>
    \"FGTI<\/span><\/div><\/div><\/div><\/div><\/div><\/div>


    \n

    Le PTFE et ses composites<\/h2>\n
    \n

    Le Polyt\u00e9trafluoro\u00e9thyl\u00e8ne (PTFE) : un haut polym\u00e8re exceptionnel<\/h3>\nLe PTFE, plus connu sous le nom de T\u00e9flon\u00ae, est un fluoropolym\u00e8re renomm\u00e9 pour ses propri\u00e9t\u00e9s uniques. Sa structure mol\u00e9culaire se compose d'atomes de carbone li\u00e9s \u00e0 des atomes de fluor, cr\u00e9ant une liaison carbone-fluor exceptionnellement forte. Cette liaison conf\u00e8re au PTFE plusieurs caract\u00e9ristiques remarquables :\n
      \n
    • R\u00e9sistance \u00e0 la chaleur : <\/b>le PTFE peut r\u00e9sister \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es sans perdre ses propri\u00e9t\u00e9s m\u00e9caniques, le rendant id\u00e9al pour les applications \u00e0 haute temp\u00e9rature (jusqu\u2019\u00e0 327\u00b0).<\/li>\n
    • Anti-adh\u00e9sif- excellent coefficient de frottement : <\/b>la surface du PTFE est extr\u00eamement lisse, ce qui le rend anti-adh\u00e9rent. C'est pourquoi il est couramment utilis\u00e9 dans les rev\u00eatements antiadh\u00e9sifs pour ustensiles de cuisine, moules industriels et autres applications industrielles o\u00f9 la r\u00e9duction de la friction et de l'adh\u00e9rence est essentielle.<\/li>\n
    • R\u00e9sistance chimique : <\/b>le PTFE est hautement r\u00e9sistant \u00e0 une large gamme de produits chimiques : les\u00a0acides\u00a0(ol\u00e9um,\u00a0eau r\u00e9gale,\u00a0acide nitrique\u00a0fumant), les\u00a0bases\u00a0(soude\u00a0ou\u00a0potasse\u00a0concentr\u00e9es), les\u00a0alcools, les\u00a0c\u00e9tones\u00a0et les\u00a0hydrocarbures. Il r\u00e9siste \u00e0 l'acide fluoroantimonique, l'acide le plus fort connu actuellement, qui dissout le verre. <\/li>\n
    • Isolation \u00e9lectrique : <\/b>en raison de sa faible conductivit\u00e9 \u00e9lectrique, le PTFE est largement utilis\u00e9 dans les c\u00e2bles et les connecteurs \u00e9lectriques.<\/li>\n<\/ul>\n
      <\/div><\/div><\/div><\/div>
      \"composite<\/span><\/div><\/div><\/div><\/div><\/div><\/div>
      \"https:\/\/fgti-distribution.fr\/wp-content\/uploads\/2024\/06\/fgti-distribution-composites-polymeres3.jpg\"<\/span><\/div><\/div><\/div><\/div>
      \"Composites<\/span><\/div><\/div><\/div><\/div><\/div><\/div>

      \n

      Les PTFE charg\u00e9s<\/h3>\nL'association du PTFE avec d'autres mat\u00e9riaux pour former des composites permet de combiner les propri\u00e9t\u00e9s sp\u00e9cifiques de chacun, cr\u00e9ant ainsi des produits aux performances am\u00e9lior\u00e9es. \nLes composites \u00e0 base de PTFE sont g\u00e9n\u00e9ralement renforc\u00e9s par les charges suivantes :\n
      \n\n\n\n\n\n
      La fibre de verre<\/td> \nAm\u00e9lioration de la r\u00e9sistance \u00e0 la compression et \u00e0 l\u2019usure.<\/td>\n<\/tr>\n
      Le carbone<\/td> \nExcellente r\u00e9sistance \u00e0 la compression et \u00e0 l\u2019usure. Bonne conductibilit\u00e9 thermique. Faible perm\u00e9abilit\u00e9.<\/td>\n<\/tr>\n
      Le graphite<\/td> \nBonne conductibilit\u00e9 thermique. Faible coefficient de frottement et perm\u00e9abilit\u00e9.<\/td>\n<\/tr>\n
      Le bronze<\/td> \nDiminution du fluage \u00e0 temp\u00e9rature ambiante. Excellente r\u00e9sistance \u00e0 l\u2019usure. Bonne conductibilit\u00e9 thermique.<\/td>\n<\/tr>\n<\/table>\nApplicazioni<\/b>
      \nOutre les rev\u00eatements antiadh\u00e9sifs et les c\u00e2bles \u00e9lectriques, le PTFE est utilis\u00e9 dans la fabrication de joints d'\u00e9tanch\u00e9it\u00e9, de composants pour l'industrie alimentaire, l\u2019industrie chimique, l\u2019a\u00e9ronautique, l\u2019\u00e9lectronique, et m\u00eame dans certains dispositifs m\u00e9dicaux (implants m\u00e9dicaux par ex.) en raison de sa biocompatibilit\u00e9.\n
      <\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":7202,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9767","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nFGTI Distribution - Les polym\u00e8res haute performance<\/title>\n<meta name=\"description\" content=\"FGTI Distribution - Les polym\u00e8res haute performance -\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fgti-distribution.fr\/it\/les-polymeres-haute-performance\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FGTI Distribution - Les polym\u00e8res haute performance\" \/>\n<meta property=\"og:description\" content=\"FGTI Distribution - 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