{"id":8191,"date":"2025-04-21T07:13:16","date_gmt":"2025-04-21T07:13:16","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=8191"},"modified":"2026-04-28T09:55:35","modified_gmt":"2026-04-28T09:55:35","slug":"chemical-structure-and-properties-of-bdda-monomer","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/de\/chemical-structure-and-properties-of-bdda-monomer\/","title":{"rendered":"Chemische Struktur und Eigenschaften des BDDA-Monomers"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> UV monomers and oligomers are usually chosen by viscosity, adhesion, flexibility, shrinkage, and cure speed as a package. The most reliable formulas come from balancing those properties rather than maximizing only one.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Chemische Struktur und Eigenschaften von BDDA<\/p>\n<p>1,4-Butandioldiacrylat (BDDA) ist ein Bisacrylat, das durch die Reaktion von 1,4-Butandiol mit Acryls\u00e4ure hergestellt wird. Seine Molekularstruktur besteht aus einer vierkettigen Alkylkette mit Acrylatgruppen an jedem Ende der Kette.<\/p>\n<p>Die Struktur hat die folgende Bedeutung:<\/p>\n<p>Doppelte Reaktivit\u00e4t: Die beiden Acrylatgruppen k\u00f6nnen jeweils an einer radikalischen Polymerisationsreaktion teilnehmen, was BDDA zu einem hervorragenden Vernetzer macht.<\/p>\n<p>Kurze Kettenstruktur: Die k\u00fcrzere Kettenl\u00e4nge von BDDA f\u00fchrt zu einer h\u00f6heren Vernetzungsdichte als bei anderen Diacrylaten, was zu einem dichteren und steiferen Polymernetzwerk f\u00fchrt.<\/p>\n<p>Ausgewogene Eigenschaften: Die Struktur von BDDA erm\u00f6glicht eine hervorragende mechanische Festigkeit bei gleichzeitiger chemischer Best\u00e4ndigkeit f\u00fcr leistungsstarke UV\/EB-H\u00e4rtungsanwendungen.<\/p>\n<p>In der Struktur von BDDA: Butylenglykolkern: Ein geradkettiges R\u00fcckgrat, das aus vier Kohlenstoffatomen in einer kompakten Struktur besteht. Acrylatgruppen: Jedes Ende enth\u00e4lt eine Vinylgruppe (-CH=CH\u2082) und eine Carbonylgruppe (C=O), eine Struktur, die eine schnelle Polymerisation unter UV- oder EB-Licht erm\u00f6glicht. Produktmerkmale und -eigenschaften BDDA bietet eine Reihe ausgezeichneter Eigenschaften in UV\/EB-h\u00e4rtenden Systemen: Hohe Vernetzungsdichte: Dank seiner zwei reaktiven Acrylatgruppen und der kurzen Alkylkette bildet BDDA ein hochdichtes, vernetztes Netzwerk, was zu einer hervorragenden H\u00e4rte, Abriebfestigkeit und allgemeinen Haltbarkeit f\u00fchrt.<\/p>\n<p>Schnelle Aush\u00e4rtung: Die Acrylatgruppen polymerisieren in Gegenwart von UV-Licht oder Elektronenstrahlen schnell, was besonders in industriellen Umgebungen wichtig ist, wo eine effiziente Produktion erforderlich ist.<\/p>\n<p>Niedrige Viskosit\u00e4t: BDDAs haben in der Regel eine niedrige Viskosit\u00e4t, die eine gute Benetzung und eine gleichm\u00e4\u00dfige Beschichtung des Substrats erm\u00f6glicht.<br \/>\nChemische Best\u00e4ndigkeit: Ausgeh\u00e4rtete Polymere haben eine hohe Best\u00e4ndigkeit gegen L\u00f6sungsmittel, \u00d6le und andere Chemikalien f\u00fcr eine Vielzahl von industriellen Anwendungen.<br \/>\nVerbessertes Haftverm\u00f6gen: Hohe Vernetzungsdichte und schnelle Aush\u00e4rtung verbessern die Haftungseigenschaften von Beschichtungen und Klebstoffen.Vergleich der Leistung von BDDA und HDDABDDA wird h\u00e4ufig mit 1,6-Hexandioldiacrylat (HDDA) in UV\/EB-geh\u00e4rteten Formulierungen verglichen.<br \/>\nObwohl es sich bei beiden um Diacrylate handelt, unterscheiden sie sich in ihrer Leistung aufgrund von Unterschieden in der Molekularstruktur: Kettenl\u00e4nge und Flexibilit\u00e4t: BDDA hat eine Vier-Kohlenstoff-Kette, die zu einer h\u00f6heren Vernetzungsdichte und einem steiferen Polymernetzwerk f\u00fchrt, w\u00e4hrend HDDA eine Sechs-Kohlenstoff-Kette hat, die eine geringere relative Vernetzungsdichte aufweist und sich in der Regel durch bessere Flexibilit\u00e4t und Schlagfestigkeit auszeichnet. Mechanische Eigenschaften: BDDA weist aufgrund seiner hohen Vernetzungsdichte tendenziell eine h\u00f6here H\u00e4rte und Abriebfestigkeit auf und eignet sich daher f\u00fcr Anwendungen, die eine hohe Haltbarkeit erfordern.<\/p>\n<p>HDDA eignet sich f\u00fcr Anwendungen, die ein gewisses Ma\u00df an Flexibilit\u00e4t und Z\u00e4higkeit erfordern. Anwendungseignung: Bei Au\u00dfenbeschichtungen von Kraftfahrzeugen, industriellen Schutzbeschichtungen und Hochleistungsklebstoffen ist BDDA aufgrund seiner Steifigkeit und Abriebfestigkeit vorteilhafter. F\u00fcr flexible Verpackungen, leichte Materialien und andere Bereiche ist HDDA m\u00f6glicherweise besser geeignet.<\/p>\n<p>Anwendungsbereiche BDDA wird in einer Vielzahl von UV\/EB-H\u00e4rtungssystemen eingesetzt, unter anderem in den folgenden Bereichen:<\/p>\n<p>1. UV\/EB-h\u00e4rtende Beschichtungen Fahrzeuglacke: Werden in Au\u00dfenschutzbeschichtungen von Kraftfahrzeugen verwendet, um Kratzfestigkeit und Witterungsbest\u00e4ndigkeit zu gew\u00e4hrleisten und die Sch\u00f6nheit der Karosserie langfristig zu erhalten. Industrielle Beschichtungen: Bilden einen gleichm\u00e4\u00dfigen, dauerhaften Schutzfilm auf einer Vielzahl von Substraten wie Metallen, Kunststoffen und Holz und verbessern die Haltbarkeit und Korrosionsbest\u00e4ndigkeit von Produkten.<\/p>\n<p>2. Klebstoffe und Dichtstoffe Hochleistungsklebstoffe: Werden als Vernetzungsmittel in UV-h\u00e4rtenden Klebstoffen verwendet, um eine schnelle Verklebung und starke Haftung f\u00fcr Elektronik-, Automobil- und Industrieanwendungen zu gew\u00e4hrleisten. Dichtstoffe: Werden zur Herstellung von chemikalien- und hochtemperaturbest\u00e4ndigen Dichtungsmitteln verwendet, um kritische Komponenten vor Umwelteinfl\u00fcssen zu sch\u00fctzen.<\/p>\n<p>3. Druckfarben UV-h\u00e4rtende Druckfarben: werden im Verpackungsdruck und im Digitaldruck verwendet, um die Aush\u00e4rtungsgeschwindigkeit, die Haftung und die Abriebfestigkeit der Farbe zu verbessern und damit die Druckqualit\u00e4t und die Produktivit\u00e4t zu steigern.<\/p>\n<p>4. 3D-Druckharze lichtempfindliche Harze: BDDA wird als Vernetzungsmittel im 3D-Druck mit Stereolithographie (SLA) und digitaler Lichtverarbeitung (DLP) verwendet, um gedruckte Teile mit hoher Aufl\u00f6sung und hoher mechanischer Festigkeit herzustellen.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical sourcing and formulation view of UV monomers and oligomers<\/h2>\n<p>Most successful UV formulations are built by choosing the backbone first and then tuning the reactive monomer package around the substrate, cure method, and end-use stress. That usually produces a more stable result than choosing materials by viscosity or price alone.<\/p>\n<ul>\n<li><strong>Start from the final property target:<\/strong> hardness, flexibility, adhesion, and shrinkage rarely point to exactly the same raw-material package.<\/li>\n<li><strong>Screen the reactive package as a whole:<\/strong> oligomer, monomer, and photoinitiator choices interact strongly in UV systems.<\/li>\n<li><strong>Use viscosity as a tool, not the only decision rule:<\/strong> the easiest-processing material is not always the one that performs best after cure.<\/li>\n<li><strong>Check the real substrate:<\/strong> plastic, metal, label film, gel systems, and coatings can reward very different polarity and cure-density balances.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> A strong low-viscosity monomer reference when hardness and good flow both matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> A standard reactive monomer benchmark when stronger crosslink density is required.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/bddma-monomer-cas-2082-81-7\/\">CHLUMICRYL BDDMA<\/a>:<\/strong> A relevant dimethacrylate benchmark when multifunctional methacrylate comparison is needed.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Can one UV monomer or resin solve every formulation problem?<\/strong><br \/>Usually no. Commercially strong formulas depend on how several components work together to balance cure, adhesion, flow, and durability.<\/p>\n<p><strong>Why should monomers be screened together with oligomers?<\/strong><br \/>Because monomers can change viscosity, cure rate, shrinkage, and substrate behavior enough to alter the final ranking of the same backbone resin.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>Chemical Structure and Properties of BDDA 1,4-Butanediol diacrylate (BDDA) is a bisacrylate produced by the reaction of 1,4-butanediol with acrylic acid. Its molecular structure contains a four-carbon alkyl chain with<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-8191","post","type-post","status-publish","format-standard","hentry","category-uv-light-curing-series"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chemical Structure and Properties of BDDA Monomer - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Chemical Structure and Properties of BDDA 1,4-Butanediol diacrylate (BDDA) is a bisacrylate produced by the reaction of 1,4-butanediol with acrylic acid...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/de\/chemical-structure-and-properties-of-bdda-monomer\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemical Structure and Properties of BDDA Monomer - 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