{"id":6296,"date":"2023-11-17T06:30:40","date_gmt":"2023-11-17T06:30:40","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6296"},"modified":"2026-04-28T10:42:22","modified_gmt":"2026-04-28T10:42:22","slug":"ultraviolet-absorber-triazine-uva","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/ultraviolet-absorber-triazine-uva\/","title":{"rendered":"Explication des avantages de l'absorbeur d'ultraviolets triazine UVA"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> In most UV systems, photoinitiators are selected by balancing wavelength fit, through-cure, color control, and line speed. Buyers usually compare a blended package instead of one isolated product.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>La triazine est un compos\u00e9 h\u00e9t\u00e9rocyclique contenant de l'azote et dot\u00e9 d'une structure en anneau \u00e0 six cha\u00eenons compos\u00e9e de trois atomes de carbone et de trois atomes d'azote. Il s'agit d'un compos\u00e9 tr\u00e8s stable et polyvalent dont les applications sont nombreuses : additifs pour polym\u00e8res absorbant les UV, polym\u00e8res, rev\u00eatements, retardateurs de flamme pour textiles et teintures, soins de sant\u00e9 et produits pharmaceutiques, automobile, films agricoles, herbicides et traitement de l'eau.<\/p>\n<p>ADDITIFS POLYM\u00c8RES ABSORBEURS D'UV :<\/p>\n<p>Les triazines sont largement utilis\u00e9es comme absorbeurs d'UV dans les polym\u00e8res tels que les plastiques, les r\u00e9sines et les rev\u00eatements. Elles offrent des avantages significatifs par rapport \u00e0 d'autres absorbeurs d'UVA tels que la benzoph\u00e9none (BZP) et le benzotriazole (BZT). Un certain nombre d'absorbeurs d'UVA pour les produits moul\u00e9s complexes, les fibres, les feuilles lisses et ondul\u00e9es, les bicouches, les films, les pi\u00e8ces semi-finies moul\u00e9es par injection ou coextrud\u00e9es conf\u00e8rent au polycarbonate et au polyester une r\u00e9sistance aux intemp\u00e9ries plus \u00e9lev\u00e9e que l'ajout d'absorbeurs d'UVA classiques \u00e0 base de benzotriazole.<\/p>\n<p>POLYM\u00c8RES :<\/p>\n<p>Les triazines sont utilis\u00e9es comme monom\u00e8res dans la synth\u00e8se de nouveaux polym\u00e8res pr\u00e9sentant des propri\u00e9t\u00e9s souhait\u00e9es telles que la stabilit\u00e9 thermique, la conductivit\u00e9 \u00e9lectrique et la r\u00e9sistance m\u00e9canique.<\/p>\n<p>Rev\u00eatement COATINGS :<br \/>\nLa triazine est le meilleur absorbeur d'UV. Elle aide \u00e0 prot\u00e9ger les rev\u00eatements en absorbant la lumi\u00e8re du soleil plut\u00f4t que de la laisser atteindre les adh\u00e9sifs, les plastiques, les rev\u00eatements et les \u00e9lastom\u00e8res. Elle peut \u00eatre utilis\u00e9e pour prot\u00e9ger les adh\u00e9sifs, les plastiques, les rev\u00eatements et les \u00e9lastom\u00e8res contre les effets n\u00e9fastes des intemp\u00e9ries ext\u00e9rieures.<\/p>\n<p>TEXTILES ET COLORANTS :<br \/>\nLes compos\u00e9s de triazine sont utilis\u00e9s pour produire une gamme de colorants, y compris des colorants r\u00e9actifs, acides et directs. Les triazines sont utilis\u00e9es comme absorbeurs d'UV dans les auxiliaires textiles et dans les polycarbonates, le moulage par injection, les thermoplastiques, les fibres, les textiles et les tapis pour am\u00e9liorer la durabilit\u00e9, la solidit\u00e9 des couleurs et les performances. Elles peuvent \u00eatre utilis\u00e9es dans les peintures industrielles et automobiles lorsque la stabilit\u00e9 thermique et la durabilit\u00e9 sont requises.<\/p>\n<p>Retardateur de flamme Retardateur de flamme :<br \/>\nLes triazines sont utilis\u00e9es comme retardateurs de flamme dans une s\u00e9rie de mat\u00e9riaux, notamment les plastiques, les textiles et les mat\u00e9riaux de construction.<\/p>\n<p>LES SOINS DE SANT\u00c9 ET LES PRODUITS PHARMACEUTIQUES :<br \/>\nLes d\u00e9riv\u00e9s de la triazine sont largement utilis\u00e9s dans les secteurs de la sant\u00e9 et des soins personnels. Les d\u00e9riv\u00e9s de la triazine sont utilis\u00e9s comme absorbeurs d'UV dans les \u00e9crans solaires. La s-Triazine a fait l'objet d'\u00e9tudes approfondies pour son large \u00e9ventail d'applications dans les syst\u00e8mes biologiques en tant qu'agent antibact\u00e9rien, antiviral, anticanc\u00e9reux et antifongique.<\/p>\n<p>Industrie automobile \/ \u00e9lectronique INDUSTRIE AUTOMOBILE \/ \u00c9LECTRONIQUE :<br \/>\nDans l'industrie automobile, les absorbeurs d'ultraviolets (UVA) \u00e0 base d'hydroxyph\u00e9nyl homotriazine (HPT) r\u00e9pondent \u00e0 des exigences de performance et de qualit\u00e9 plus \u00e9lev\u00e9es ainsi qu'\u00e0 des pressions sur les co\u00fbts, mais les benzotriazoles (BTZ) n'y r\u00e9pondent souvent pas ou pr\u00e9sentent des performances m\u00e9diocres.<\/p>\n<p>AGRO FILM :<br \/>\nLes triazines sont utilis\u00e9es comme stabilisateurs de lumi\u00e8re (absorbeurs d'UV) pour divers polym\u00e8res. Elles sont utilis\u00e9es dans les films PE agricoles de haute performance qui pr\u00e9sentent une r\u00e9sistance \u00e9lev\u00e9e aux pesticides.<\/p>\n<p>Herbicide HERBICIDES :<br \/>\nLes triazines sont largement utilis\u00e9es comme herbicides pour leur capacit\u00e9 \u00e0 emp\u00eacher la croissance des mauvaises herbes. L'atrazine, l'un des herbicides les plus couramment utilis\u00e9s, est un d\u00e9riv\u00e9 de la triazine.<\/p>\n<p>LE TRAITEMENT DE L'EAU :<br \/>\nLes triazines ont \u00e9t\u00e9 utilis\u00e9es dans les applications de traitement de l'eau comme d\u00e9sinfectants et stabilisateurs pour les d\u00e9sinfectants \u00e0 base de chlore.<br \/>\nLes absorbeurs d'UV sont utilis\u00e9s dans tous les mat\u00e9riaux synth\u00e9tiques, tels que les plastiques fabriqu\u00e9s \u00e0 partir de polycarbonate (PC), de polyester, de polyamide (PA), de poly\u00e9thyl\u00e8ne (PE), de poly\u00e9thyl\u00e8ne t\u00e9r\u00e9phtalate (PET) et d'autres.<\/p>\n<p>Pourquoi les triazines sont-elles sup\u00e9rieures aux benzotriazoles et aux benzoph\u00e9nones ?<\/p>\n<p>Plusieurs facteurs doivent \u00eatre pris en compte pour comparer les triazines aux benzotriazoles et aux benzoph\u00e9nones. Voici quelques raisons potentielles pour lesquelles les triazines peuvent \u00eatre consid\u00e9r\u00e9es comme sup\u00e9rieures aux benzotriazoles :<\/p>\n<p>Impact sur l'environnement : Les triazines sont g\u00e9n\u00e9ralement consid\u00e9r\u00e9es comme moins persistantes et moins toxiques pour les organismes aquatiques que les benzotriazoles.<\/p>\n<p>R\u00e9glementation : Les triazines font l'objet d'une r\u00e9glementation plus stricte que les benzotriazoles, ce qui signifie que leur utilisation est soumise \u00e0 un examen plus approfondi et \u00e0 des restrictions afin de garantir qu'elles sont utilis\u00e9es de mani\u00e8re responsable et s\u00fbre.<\/p>\n<p>Disponibilit\u00e9 : Les triazines sont utilis\u00e9es dans un plus grand nombre d'applications que les benzotriazoles, ce qui en fait une option plus facilement disponible et plus rentable.<\/p>\n<p>Efficacit\u00e9 : Les triazines se sont r\u00e9v\u00e9l\u00e9es efficaces dans une s\u00e9rie d'applications telles que les herbicides, les produits pharmaceutiques et le traitement de l'eau. Elles peuvent apporter des avantages significatifs en termes d'augmentation du rendement des cultures, de d\u00e9veloppement de nouveaux traitements contre les maladies et d'am\u00e9lioration de la s\u00e9curit\u00e9 et de la qualit\u00e9 de l'eau potable.<\/p>\n<p>Persistance : Par rapport \u00e0 la benzoph\u00e9none et au benzotriazole, les triazines ont une demi-vie plus courte dans le sol, ce qui signifie qu'elles se d\u00e9composent plus rapidement et sont moins susceptibles de persister dans l'environnement.<\/p>\n<p>Mobilit\u00e9 : Les triazines sont moins mobiles dans le sol que le benzoph\u00e9none et le benzotriazole. Cela signifie qu'elles sont moins susceptibles de s'infiltrer dans les eaux souterraines et de contaminer les sources d'eau.<\/p>\n<p>Toxicit\u00e9 : Bien que les triazines, les benzoph\u00e9nones et les benzotriazoles aient tous un impact n\u00e9gatif sur l'environnement, ils sont g\u00e9n\u00e9ralement consid\u00e9r\u00e9s comme moins toxiques pour les organismes aquatiques que les benzoph\u00e9nones et les benzotriazoles.<\/p>\n<p>Excellence des performances : Outre les triazines susmentionn\u00e9es (hydroxyph\u00e9nyltriazines, HPT), il surpasse la benzoph\u00e9none et le benzotriazole en tant qu'additif polym\u00e8re absorbant les UVA. Sa temp\u00e9rature de d\u00e9gradation thermique est \u00e9lev\u00e9e, ce qui le rend stable lors des traitements \u00e0 haute temp\u00e9rature. Il ne migre pas et n'est pas lessiv\u00e9.<\/p>\n<p>Les absorbeurs UV triazine ont d'excellentes performances. En outre, la quantit\u00e9 ajout\u00e9e au polym\u00e8re est g\u00e9n\u00e9ralement faible par rapport \u00e0 d'autres absorbeurs UV.<\/p>\n<p>Dans les rev\u00eatements automobiles, les absorbeurs UV (UVA) \u00e0 base d'hydroxyph\u00e9nylpyrimidotriazines (HPT) sont capables de r\u00e9pondre \u00e0 des exigences de performance et de qualit\u00e9 plus \u00e9lev\u00e9es ainsi qu'\u00e0 des pressions sur les co\u00fbts, alors que les benzotriazoles (BTZ) n'y r\u00e9pondent souvent pas ou pr\u00e9sentent des performances m\u00e9diocres.<\/p>\n<p>Des \u00e9tudes ont montr\u00e9 que le HPT a une tr\u00e8s faible pression de vapeur et la meilleure photostabilit\u00e9 (r\u00e9duction de sa propre perte pendant l'exposition), suivi du BTZ (hydroxyph\u00e9nyl benzotriazole) et du BP (hydroxybenzoph\u00e9none), et enfin de l'oxalanilide.<\/p>\n<p>Outre la persistance de la lumi\u00e8re, la r\u00e9sistance \u00e0 la chaleur (c'est-\u00e0-dire la faible volatilit\u00e9) et la stabilit\u00e9 thermique sont des points essentiels.<\/p>\n<p>Le HPT pr\u00e9sente \u00e9galement une excellente r\u00e9sistance chimique et n'interagit pas avec les m\u00e9taux ou les bases fortes.<\/p>\n<p>Les triazines ont une tr\u00e8s grande stabilit\u00e9 thermique.<\/p>\n<p>Les triazines pr\u00e9sentent les meilleures performances en termes de r\u00e9tention de la lumi\u00e8re et de la couleur, suivies par les benzotriazoles, les benzoph\u00e9nones et les oxalanilides.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-bp-cas-119-61-9\/\">CHLUMINIT BP<\/a>:<\/strong> A practical type-II benchmark when benzophenone chemistry is under review.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> A practical stabilizer-package reference when broader light-aging protection is needed.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/lcsorb-bp-1-cas-131-56-6\/\">CHLUMIUV BP-1<\/a>:<\/strong> A useful UV-absorber reference when absorption-based light protection is being screened.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>Triazine is a nitrogen-containing heterocyclic compound with a six-membered ring structure consisting of three carbon atoms and three nitrogen atoms. It is a highly stable and versatile compound with a<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-6296","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>Explanation of the advantages of the ultraviolet absorber triazine UVA - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Triazine is a nitrogen-containing heterocyclic compound with a six-membered ring structure consisting of three carbon atoms and three nitrogen atoms. 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