{"id":3075,"date":"2021-05-14T11:23:02","date_gmt":"2021-05-14T09:23:02","guid":{"rendered":"https:\/\/coraltek.nl\/pur-hotmelt\/"},"modified":"2026-08-18T17:09:18","modified_gmt":"2026-08-18T15:09:18","slug":"colle-thermofusible-pur","status":"publish","type":"page","link":"https:\/\/coraltek.nl\/fr\/pur-hotmelt\/","title":{"rendered":"Colle thermofusible PUR"},"content":{"rendered":"
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Colle thermofusible PUR\r\n
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Travailler avec de la colle thermofusible PUR<\/h2>\r\n <\/div>\r\n <\/div>\r\n
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\u00c9volution r\u00e9cente de la r\u00e9activit\u00e9 Polyur\u00e9thane thermofusible<\/span> (HMPUR) adhesive technology have made these products viable candidates for use in high performance applications. Specifically,\r\n technical advantages that combine desirable properties such as past set (curing), rapid green strength development, and exceptional environmental resistance, are now available.<\/p>\r\n <\/div>\r\n <\/div>\r\n

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Qu'est-ce que le PUR thermofusible (HMPUR) ?<\/h5>\r\n <\/div>\r\n <\/div>\r\n
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Les PURHM sont le produit de r\u00e9action de la combinaison d'un un polyol et un isocyanate<\/span>. Once reacted, the product formed is an isocyanate terminate prepolymer, which is moisture\r\n sensitive. After application, this product cross-links through a reaction with moisture in the air and surrounding substrates, forming a thermoset polyurethane polymer. Once thermoset, the HMPUR will possess exceptional\r\n strength and durability. Because these products contain isocyanates and must be heated for application, our partners work with lesser volatile isocyanates, such as MDI (diisocyanate de diph\u00e9nylm\u00e9thane).
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Comment \u00e7a marche ?<\/h5>\r\n <\/div>\r\n <\/div>\r\n
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Les HMPUR fonctionnent par deux \u00e9tapes distinctes<\/span> pour d\u00e9velopper les caract\u00e9ristiques d'un adh\u00e9sif haute performance. Dans le premi\u00e8re \u00e9tape<\/span>, le HMPUR est chauff\u00e9 pour devenir fondu ou fluide en vue de son application. \u00c0 ce stade, le HMPUR est similaire aux colles thermofusibles conventionnelles, car le refroidissement thermique solidifie l'adh\u00e9sif apr\u00e8s l'application. Par cons\u00e9quent, le HMPUR poss\u00e8de un temps ouvert et un temps de prise. Il d\u00e9veloppera une r\u00e9sistance suffisante lors du refroidissement pour permettre l'\u00e9barbage en ligne et d'autres manipulations des pi\u00e8ces.<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n

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r\u00e9ticulation \u00e0 l'humidit\u00e9<\/h5>\r\n <\/div>\r\n <\/div>\r\n
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Dans deuxi\u00e8me \u00e9tape<\/span>, le HMPUR r\u00e9agit avec l\u2019humidit\u00e9 pour former un polym\u00e8re thermodurcissable r\u00e9sistant \u00e0 la chaleur, \u00e0 l\u2019humidit\u00e9, au froid et aux solvants. Cette r\u00e9action se produit progressivement et, dans des conditions normales, \n le durcissement est atteint dans les 24 premi\u00e8res heures.\u00a0\u00c0 mesure que la r\u00e9ticulation se poursuit, les substrats assembl\u00e9s continuent de gagner en r\u00e9sistance. Conditions normales : humidit\u00e9 relative de 50% et temp\u00e9rature de 21\u00b0<\/span>C.<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n

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propri\u00e9t\u00e9s<\/h5>\r\n <\/div>\r\n <\/div>\r\n
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Les substrats stratifi\u00e9s coll\u00e9s avec du PUR-HM deviennent tr\u00e8s durables. Le joint de colle pr\u00e9sente de nombreuses propri\u00e9t\u00e9s importantes :<\/p>\r\n

R\u00e9sistance \u00e0 la chaleur<\/span><\/p>\r\n

R\u00e9sistance \u00e0 l'eau<\/span><\/p>\r\n

R\u00e9sistance chimique<\/span><\/p>\r\n

Flexibilit\u00e9<\/span><\/p>\r\n

Durabilit\u00e9<\/span><\/p>\r\n

Veuillez nous contacter si vous avez besoin de conseils approfondis sur l'utilisation du HMPUR. Il y a un envergure \u00e9norme<\/span> de diff\u00e9rents types de PURHM. Il est donc tr\u00e8s important de comprendre toutes les exigences du contre-collage avant de choisir le PURHM appropri\u00e9.\r\n
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applications<\/h5>\r\n <\/div>\r\n <\/div>\r\n
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La colle PUR thermofusible (HMPUR) est utilis\u00e9e pour de nombreuses applications diff\u00e9rentes, principalement le laminage. Voici quelques exemples :<\/p>\r\n

Laminage \u00e0 plat : Bois sur panneau, bois sur film, m\u00e9tal sur bois, etc.\r\n
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\r\n \r\n Lamination souple<\/u>\r\n <\/a> (rouleau \u00e0 rouleau) : Textile sur textile, textile sur membrane, textile sur mousse, etc.\r\n
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Enrobage de profil\u00e9s : Film sur profil\u00e9 en PVC, film sur profil\u00e9 en aluminium, etc.\r\n
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Assemblage : Pi\u00e8ces coll\u00e9es dans la structure, etc.\r\n
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LinkedIn<\/h4>\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n
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Coraltek sur LinkedIn\r\n
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Coraltek sur Twitter\r\n
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WhatsApp Business\r\n
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Courriel<\/h4>\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n
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info@coraltek.nl<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"

PUR Hotmelt Working with PUR Hotmelt Recent developments in reactive Hot Melt Polyurethane (HMPUR) adhesive technology have made these products viable candidates for use in high performance applications. Specifically, technical advantages that combine desirable properties such as past set (curing), rapid green strength development, and exceptional environmental resistance, are now available. What is PUR Hotmelt (hmpur) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/full-width-page.php","meta":{"footnotes":""},"class_list":["post-3075","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/pages\/3075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/comments?post=3075"}],"version-history":[{"count":21,"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/pages\/3075\/revisions"}],"predecessor-version":[{"id":6237,"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/pages\/3075\/revisions\/6237"}],"wp:attachment":[{"href":"https:\/\/coraltek.nl\/fr\/wp-json\/wp\/v2\/media?parent=3075"}],"curies":[{"name":"bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}