{"id":5,"date":"2020-05-27T23:30:29","date_gmt":"2020-05-27T23:30:29","guid":{"rendered":"https:\/\/hotmelts.eu\/?page_id=5"},"modified":"2021-08-23T10:09:37","modified_gmt":"2021-08-23T10:09:37","slug":"hot-melt-adhesives","status":"publish","type":"page","link":"https:\/\/hotmelts.eu\/hu\/","title":{"rendered":"Forr\u00f3 olvad\u00e9k ragaszt\u00f3k"},"content":{"rendered":"<p>A forr\u00f3 olvad\u00e9k\u00fa ragaszt\u00f3k old\u00f3szer- vagy v\u00edzmentes term\u00e9kek, amelyek szobah\u0151m\u00e9rs\u00e9kleten t\u00f6bb\u00e9-kev\u00e9sb\u00e9 szil\u00e1rdak, forr\u00f3 \u00e1llapotban viszk\u00f3zus folyad\u00e9kk\u00e9nt vannak jelen \u00e9s a ragaszt\u00f3 fel\u00fclet\u00e9re ker\u00fclnek. H\u0171t\u00e9s k\u00f6zben reverzibilisen megszil\u00e1rdulnak \u00e9s szil\u00e1rd k\u00f6t\u00e9st alkotnak. A ragaszt\u00f3k ezen csoportja h\u0151re l\u00e1gyul\u00f3 polimerek, amelyek k\u00fcl\u00f6nb\u00f6z\u0151 vegyi alapanyagokon alapulnak<\/p>\n\n\n\n<div class=\"wp-block-nk-awb nk-awb\"><div class=\"nk-awb-wrap\" data-awb-type=\"yt_vm_video\" data-awb-video=\"https:\/\/www.youtube.com\/watch?v=SKlMGHs3XGY&amp;t=7s\" data-awb-video-mobile=\"false\"><div class=\"nk-awb-inner is-layout-constrained wp-block-awb-is-layout-constrained\"><\/div><\/div>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"342\" height=\"341\" src=\"https:\/\/hotmelts.eu\/wp-content\/uploads\/2021\/08\/transp-leeg.png\" alt=\"\" class=\"wp-image-101\" srcset=\"https:\/\/hotmelts.eu\/wp-content\/uploads\/2021\/08\/transp-leeg.png 342w, https:\/\/hotmelts.eu\/wp-content\/uploads\/2021\/08\/transp-leeg-300x300.png 300w, https:\/\/hotmelts.eu\/wp-content\/uploads\/2021\/08\/transp-leeg-150x150.png 150w, https:\/\/hotmelts.eu\/wp-content\/uploads\/2021\/08\/transp-leeg-12x12.png 12w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/figure>\n\n\n\n<p>Mi a forr\u00f3 olvad\u00e9k ragaszt\u00f3? <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">H\u0151re l\u00e1gyul\u00f3 \u00e9s kem\u00e9nyed\u0151 olvad\u00e9k ragaszt\u00f3k<\/h2>\n\n\n\n<p>A hotmelt ragaszt\u00f3k feloszthat\u00f3k fizikailag \u00e9s k\u00e9miailag k\u00f6t\u0151 ragaszt\u00f3kra. A fizikailag k\u00f6t\u0151d\u0151 ragaszt\u00f3k h\u0151re l\u00e1gyul\u00f3 m\u0171anyagok, a k\u00e9miailag k\u00f6t\u0151d\u0151k h\u0151re kem\u00e9nyed\u0151, azaz h\u00e1romdimenzi\u00f3s h\u00e1l\u00f3zatokat alkotnak. A besorol\u00e1s egy m\u00e1sik t\u00edpusa a megszil\u00e1rdul\u00e1si mechanizmusra vonatkozik. Itt a melegen olvad\u00f3 ragaszt\u00f3kat amorf polimerekre, f\u00e9lkrist\u00e1lyos polimerekre \u00e9s nagy molekul\u00e1j\u00fa polimerekre osztj\u00e1k fel, az els\u0151 kett\u0151 \u00fcvegesed\u00e9si h\u0151m\u00e9rs\u00e9klete szobah\u0151m\u00e9rs\u00e9klet feletti, ut\u00f3bbi \u00fcveg szobah\u0151m\u00e9rs\u00e9klet alatti h\u0151m\u00e9rs\u00e9klet\u0171 <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Intercol Hotmelt ragaszt\u00f3k\" width=\"680\" height=\"383\" src=\"https:\/\/www.youtube.com\/embed\/Ypzhe41eUCU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><figcaption>Intercol forr\u00f3 olvad\u00e9k ragaszt\u00f3k<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">EVA \u00e9s poliolefin<\/h2>\n\n\n\n<p>A forr\u00f3 olvad\u00e9k ragaszt\u00f3k fizikailag k\u00f6t\u00e9s\u00e9re haszn\u00e1lt f\u0151 polimerek a poliamid gyant\u00e1k, tel\u00edtett poli\u00e9szterek, etil\u00e9n-vinil-acet\u00e1t (EVA) kopolimerek, poliolefinek, blokk-kopolimerek (sztirol-butadi\u00e9n-sztirol vagy sztirol-izopr\u00e9n-sztirol) \u00e9s poliamidok. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PSA<\/h2>\n\n\n\n<p>A nyom\u00e1s\u00e9rz\u00e9keny ragaszt\u00f3k fizikailag k\u00f6t\u0151 rendszerek, amelyeket \u00e1lland\u00f3 tapad\u00e1suk jellemez. A ragaszt\u00f3k a k\u00f6tend\u0151 anyagokhoz val\u00f3 tapad\u00e1sukat a kifejtend\u0151 \u00e9rintkez\u00e9si nyom\u00e1ssal \u00e9rik el - n\u00f6vekv\u0151 \u00e9rintkez\u00e9si nyom\u00e1ssal jobb tapad\u00e1s alakul ki. Mivel a nyom\u00e1s\u00e9rz\u00e9keny ragaszt\u00f3k \u00f6sszekapcsol\u00e1sa a k\u00f6t\u00e9si folyamat el\u0151tt \u00e9s ut\u00e1n is megt\u00f6rt\u00e9nhet, az \u00e1lland\u00f3 tapad\u00e1s szil\u00e1rds\u00e1g\u00e1t\u00f3l f\u00fcgg\u0151en, gyakran haszn\u00e1lj\u00e1k \u0151ket el\u0151zetes bevon\u00e1sra. Ez azt jelenti, hogy a felhord\u00e1si folyamat a k\u00f6t\u00e9st\u0151l f\u00fcggetlen\u00fcl v\u00e9grehajthat\u00f3 id\u0151ben \u00e9s t\u00e9rben.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"606\" src=\"https:\/\/hotmelts.eu\/wp-content\/uploads\/2020\/05\/PSA-hot-melt-engineering.png\" alt=\"\" class=\"wp-image-6\" srcset=\"https:\/\/hotmelts.eu\/wp-content\/uploads\/2020\/05\/PSA-hot-melt-engineering.png 697w, https:\/\/hotmelts.eu\/wp-content\/uploads\/2020\/05\/PSA-hot-melt-engineering-300x261.png 300w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><figcaption>PSA forr\u00f3 olvad\u00e9k ragaszt\u00f3 gy\u00e1rt\u00e1sa<\/figcaption><\/figure>\n\n\n\n<p><br>Az Intercol Hotmelt nyom\u00e1s\u00e9rz\u00e9keny ragaszt\u00f3inak jellemz\u0151je a k\u00fcl\u00f6nb\u00f6z\u0151 anyagokhoz val\u00f3 nagy tapad\u00e1s, valamint a nagy szil\u00e1rds\u00e1g \u00e9s rugalmass\u00e1g. A feldolgoz\u00e1s sor\u00e1n ezek a modern ragaszt\u00f3k \u00e1tlagot meghalad\u00f3 kezdeti tapad\u00e1suk \u00e9s kiemelked\u0151 viszkozit\u00e1si stabilit\u00e1suk miatt pontokat szereznek.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Hot-melt adhesives are solvent-free or water-free products that are more or less solid at room temperature, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-width.php","meta":{"footnotes":""},"class_list":["post-5","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hot melt adhesives - Hotmelt adhesives<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hotmelts.eu\/hu\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hot melt adhesives - 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