{"id":1746,"date":"2026-02-24T07:50:16","date_gmt":"2026-02-24T07:50:16","guid":{"rendered":"https:\/\/www.rallychem.com\/?p=1746"},"modified":"2026-02-28T06:49:25","modified_gmt":"2026-02-28T06:49:25","slug":"pvc-pipe-profile-processing-why-heat-stabilizers-are-essential-and-why-wax-additives-inside-stabilizer-packages-matter","status":"publish","type":"post","link":"https:\/\/www.rallychem.com\/de\/nachrichten\/industry-news\/pvc-pipe-profile-processing-why-heat-stabilizers-are-essential-and-why-wax-additives-inside-stabilizer-packages-matter\/","title":{"rendered":"PVC-Rohr- und Profilverarbeitung: Warum Hitzestabilisatoren unverzichtbar sind - und warum Wachsadditive in Stabilisatorpackungen wichtig sind"},"content":{"rendered":"<p>PVC-Rohre, -Leitungen und -Profile werden bei Temperaturen verarbeitet, die hoch genug sind, um eine thermische Zersetzung auszul\u00f6sen. Aus diesem Grund sind Hitzestabilisatoren bei der PVC-Verarbeitung keine Option: Sie sch\u00fctzen das Polymer w\u00e4hrend der Extrusion und tragen zur Aufrechterhaltung der langfristigen Leistungsf\u00e4higkeit bei.<\/p>\n<p>In der realen Produktion geht es bei der \u201cStabilisierung\u201d jedoch nicht nur um Chemie. Ein Stabilisatorpaket muss auch Verarbeitungsstabilit\u00e4t, Metallabl\u00f6sung und eine saubere Oberfl\u00e4chenqualit\u00e4t bieten - und hier spielen Wachsadditive (Schmierwachse) eine entscheidende Rolle.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-1747\" src=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111-300x300.jpeg\" alt=\"PVC-Hitzestabilisator\" width=\"360\" height=\"360\" srcset=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111-300x300.jpeg 300w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111-150x150.jpeg 150w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111-768x768.jpeg 768w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111-12x12.jpeg 12w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u7247111.jpeg 950w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/p>\n<h2><strong>Warum W\u00e4rmestabilisatoren bei der Extrusion von PVC-Rohren und -Profilen entscheidend sind<\/strong><\/h2>\n<p>Wenn PVC w\u00e4hrend der Extrusion erhitzt wird (in der Regel ~160-200\u00b0C, je nach Rezeptur und Ausr\u00fcstung), kann es sich\u00a0<strong><b>Dehydrochlorierung<\/b><\/strong>\u00a0(Freisetzung von HCl). Wenn sie nicht kontrolliert wird, verursacht sie:<\/p>\n<ul>\n<li><b><\/b><strong><b>Farbverschiebung<\/b><\/strong>(wei\u00df\/hell \u2192 gelb \u2192 braun\/schwarz)<\/li>\n<li><b><\/b><strong><b>Verlust des Molekulargewichts<\/b><\/strong>, was zu Spr\u00f6digkeit und verminderter Schlagz\u00e4higkeit f\u00fchrt<\/li>\n<li><b><\/b><strong><b>Prozess-Instabilit\u00e4t<\/b><\/strong>(Drehmomentanstieg, Schmelzbruch, raue Oberfl\u00e4chen)<\/li>\n<li><b><\/b><strong><b>Korrosionsrisiko der Ausr\u00fcstung<\/b><\/strong>aus freigesetztem HCl<\/li>\n<li><b><\/b><strong><b>Mehr Pfand\/Plate-out<\/b><\/strong>wenn sich abgebaute R\u00fcckst\u00e4nde und unvertr\u00e4gliche Bestandteile ansammeln<\/li>\n<\/ul>\n<p>Bei Rohr- und Leitungsanwendungen helfen Stabilisatoren den Verarbeitern bei der Aufrechterhaltung:<\/p>\n<ul>\n<li>langfristige mechanische Leistung (Sto\u00dffestigkeit, Druckfestigkeit)<\/li>\n<li>einheitliches Erscheinungsbild und Oberfl\u00e4chenqualit\u00e4t<\/li>\n<li>zuverl\u00e4ssige, wiederholbare Verarbeitungsfenster<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Warum Wachszus\u00e4tze in Stabilisatorverpackungen wichtig sind<\/strong><\/h2>\n<p>Die meisten handels\u00fcblichen PVC-Stabilisatorpakete sind so konzipiert\u00a0<strong><b>Mehrkomponentensysteme<\/b><\/strong>. Neben den stabilisierenden Wirkstoffen enthalten sie h\u00e4ufig Co-Stabilisatoren und\u00a0<strong><b>Schmiermittel<\/b><\/strong>-und Wachse werden h\u00e4ufig verwendet, da sie das Verarbeitungsfenster stark beeinflussen k\u00f6nnen.<\/p>\n<h3><strong><b>Was Wachszus\u00e4tze in der Leitung bewirken (praktische Auswirkungen)<\/b><\/strong><\/h3>\n<p>Richtig ausgew\u00e4hlte Wachszus\u00e4tze k\u00f6nnen helfen:<\/p>\n<ul>\n<li><b><\/b><strong><b>Kontrolle des Schmelzverhaltens (Gelierung)<\/b><\/strong>: Vermeidung von Unterschmelzung (raue Oberfl\u00e4che, geringe Festigkeit) und \u00dcberschmelzung (thermische Belastung, Verf\u00e4rbungsgefahr)<\/li>\n<li><b><\/b><strong><b>Reduziert Reibung und Kleben<\/b><\/strong>an Metalloberfl\u00e4chen (Zylinder\/Schraube\/Matrize), Verbesserung\u00a0<strong><b>Metallfreigabe<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Stabilisierung des Schmelzflusses<\/b><\/strong>: gleichm\u00e4\u00dfigere Leistung, weniger Stromst\u00f6\u00dfe, gleichm\u00e4\u00dfigere Abmessungen<\/li>\n<li><b><\/b><strong><b>Verringern Sie den Aufbau von Druckplatten und Matrizen<\/b><\/strong>in vielen Formulierungen durch Verbesserung der Vertr\u00e4glichkeit und des Flie\u00dfverhaltens (muss durch Versuche validiert werden)<\/li>\n<li><b><\/b><strong><b>Verbesserung der Oberfl\u00e4cheng\u00fcte<\/b><\/strong>(Glanz\/Sauberkeit) und Verringerung von M\u00e4ngeln, die auf ein schlechtes Gleichgewicht der Schmierung zur\u00fcckzuf\u00fchren sind<\/li>\n<\/ul>\n<h3><strong><b>Interne vs. externe Schmierung (warum das Gleichgewicht wichtig ist)<\/b><\/strong><\/h3>\n<p>Bei Hart-PVC ben\u00f6tigen die Verarbeiter in der Regel eine\u00a0<strong><b>ausgewogenes Profil der inneren\/\u00e4u\u00dferen Schmierung<\/b><\/strong>:<\/p>\n<ul>\n<li><b><\/b><strong><b>Interne Schmierung<\/b><\/strong>tr\u00e4gt zur Verringerung der Polymer-Polymer-Reibung bei und unterst\u00fctzt den Schmelzfluss.<\/li>\n<li><b><\/b><strong><b>Externe Schmierung<\/b><\/strong>tr\u00e4gt zur Verringerung der Polymer-Metall-Reibung bei, was sich positiv auf die Trennung und die Oberfl\u00e4chenqualit\u00e4t auswirkt.<\/li>\n<\/ul>\n<p>Die Wachschemie (Molekulargewicht, Schmelz-\/Erweichungspunkt, Polarit\u00e4t) beeinflusst, wo sich ein Wachs in diesem Spektrum befindet. Ein unausgewogenes System kann sich zeigen:<\/p>\n<ul>\n<li>fr\u00fchzeitiges Abrutschen \/ schlechte Fusion (zu viel Externes)<\/li>\n<li>hohes Drehmoment \/ Verkleben \/ Matrizenbildung (zu wenig extern)<\/li>\n<li>Tr\u00fcbungs-\/Druckbarkeitsprobleme oder nachgeschaltete Haftungsrisiken (\u00dcberschmierung bei einigen Produkten)<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"wp-image-1748 aligncenter\" src=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-300x188.jpeg\" alt=\"PVC-Hitzestabilisator\" width=\"466\" height=\"292\" srcset=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-300x188.jpeg 300w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-768x481.jpeg 768w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-18x12.jpeg 18w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh.jpeg 860w\" sizes=\"(max-width: 466px) 100vw, 466px\" \/><\/p>\n<h2><a href=\"https:\/\/www.rallychem.com\/de\/solutions\/pvc-heat-stabilizer\/\"><strong>Typische Wachsarten, die in PVC-Stabilisatorverpackungen verwendet werden (Auswahllogik)<\/strong><\/a><\/h2>\n<p>Je nach Stabilisierungssystem und Zielprodukt k\u00f6nnen Wachszus\u00e4tze enthalten sein:<\/p>\n<ul>\n<li><b><\/b><strong><b>Polyethylenwachs (PE-Wachs)<\/b><\/strong>: Schmierung und Durchflusskontrolle bei der Verarbeitung<\/li>\n<li><b><\/b><strong><b>Oxidiertes Polyethylenwachs (OPE-Wachs)<\/b><\/strong>Zus\u00e4tzliche Polarit\u00e4t kann die Kompatibilit\u00e4t mit bestimmten PVC-Systemen verbessern.<\/li>\n<li><b><\/b><strong><b>Hochschmelzende synthetische Wachse<\/b><\/strong>(z. B. FT-Typ): h\u00f6here H\u00e4rte und W\u00e4rmebest\u00e4ndigkeit bei anspruchsvollen Fenstern<\/li>\n<li><b><\/b><strong><b>Funktionelle Wachsmischungen<\/b><\/strong>abgestimmt auf die Rohr-\/Profilextrusion<\/li>\n<\/ul>\n<p>Die Auswahl sollte auf folgenden Kriterien beruhen: Schmelzfenster, Drehmomentkurve, Schmelzdruckstabilit\u00e4t, Sauberkeit der Form, Oberfl\u00e4cheng\u00fcte und nachgeschaltete Anforderungen.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-1749 aligncenter\" src=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-1-300x200.jpeg\" alt=\"PVC-Hitzestabilisator\" width=\"423\" height=\"282\" srcset=\"https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-1-300x200.jpeg 300w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-1-768x512.jpeg 768w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-1-18x12.jpeg 18w, https:\/\/www.rallychem.com\/wp-content\/uploads\/2026\/02\/WPS\u56fe\u72471hhh-1.jpeg 863w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><\/p>\n<h2><strong>Schlussfolgerung: Der Vorteil von Rallychem<\/strong><\/h2>\n<p><strong><b>Die Gleitmittel von Rallychem sind die perfekte Erg\u00e4nzung zu PVC-Hitzestabilisatoren.<\/b><\/strong><\/p>\n<p>Wir bieten hochleistungsf\u00e4hige und kosteneffiziente Gleitmittel sowie ma\u00dfgeschneiderte funktionelle Zielgleitmittel, die sich besser an das spezifische Stabilisierungssystem des Herstellers anpassen. Ob f\u00fcr hochgef\u00fclltes PVC oder transparente PVC-Produkte, RALLYCHEM kann helfen, ein breiteres Verarbeitungsfenster zu erreichen.<\/p>\n<p><strong><b>Die wichtigsten Vorteile von Rallychem Wachsadditiven:<\/b><\/strong><\/p>\n<p>1 Verbesserte Stabilit\u00e4t: Verbessert sowohl die dynamische als auch die statische Stabilit\u00e4t der Stabilisatoren, wodurch ein besserer Wei\u00dfgrad erzielt wird.<\/p>\n<p>2 Breiteres Verarbeitungsfenster: Verringert das Risiko einer Verschlechterung bei Temperaturschwankungen.<\/p>\n<p>3 Plate-out-Kontrolle: Verringert effektiv die Ablagerung von Niederschlag und Matrizenbildung.<\/p>\n<p>4 Hervorragende Oberfl\u00e4chenbeschaffenheit: Verbessert die Formtrennung f\u00fcr einen hervorragenden Oberfl\u00e4cheneffekt.<\/p>\n<p>5 Konsistenz: Bietet eine gute Stabilit\u00e4t von Charge zu Charge f\u00fcr eine zuverl\u00e4ssige Produktion.<\/p>","protected":false},"excerpt":{"rendered":"<p>PVC\u00a0pipes, conduits, and profiles are processed at temperatures high enough to trigger thermal degradation. That\u2019s why heat stabilizers are non\u2011optional in PVC processing: they protect the polymer during extrusion and help maintain long-term performance. But in real production, \u201cstabilization\u201d is not only about chemistry. A stabilizer package must also deliver processing stability, metal release, and [&hellip;]<\/p>","protected":false},"author":4,"featured_media":1749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,25],"tags":[63],"class_list":["post-1746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news","tag-pvc-heat-stabilizer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PVC Pipe &amp; Profile Processing: Why Heat Stabilizers Are Essential\u2014and Why Wax Additives Inside Stabilizer Packages Matter - Rallychem<\/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:\/\/www.rallychem.com\/de\/nachrichten\/industry-news\/pvc-pipe-profile-processing-why-heat-stabilizers-are-essential-and-why-wax-additives-inside-stabilizer-packages-matter\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PVC Pipe &amp; Profile Processing: Why Heat Stabilizers Are Essential\u2014and Why Wax Additives Inside Stabilizer Packages Matter\" \/>\n<meta property=\"og:description\" content=\"PVC\u00a0pipes, conduits, and profiles are processed at temperatures high enough to trigger thermal degradation. That\u2019s why heat stabilizers are non\u2011optional in PVC processing: they protect the polymer during extrusion and help maintain long-term performance. But in real production, \u201cstabilization\u201d is not only about chemistry. 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