{"id":5459,"date":"2022-08-17T13:43:20","date_gmt":"2022-08-17T13:43:20","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5459"},"modified":"2022-08-17T13:43:20","modified_gmt":"2022-08-17T13:43:20","slug":"characteristics-types-and-applications-of-uv-absorbers","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/characteristics-types-and-applications-of-uv-absorbers\/","title":{"rendered":"Kenmerken, soorten en toepassingen van UV-absorbers"},"content":{"rendered":"

Kenmerken, soorten en toepassingen van UV-absorbers<\/strong><\/h1>\n

UV-absorbers zijn stoffen die zonlicht of fluorescerende lichtbronnen in het ultraviolette golflengtegedeelte kunnen absorberen, en hun eigen fysische eigenschappen en structuur veranderen niet. UV-absorbers kunnen op basis van hun chemische structuur worden onderverdeeld in de volgende categorie\u00ebn: salicylaten, benzofenonen, benzotriazolen, gesubstitueerde acrylonitril, triazinen, enz. De meest voorkomende op de markt zijn benzofenonen, benzotriazolen en triazinen. Ze werken allemaal volgens het principe van het omzetten van hoogenergetische UV-licht energie in warmte of niet-destructieve langere lichtgolven die vrijkomen, waardoor de organische materialen met UV-absorbers beschermd worden tegen UV-beschadiging.<\/p>\n

UV-absorbers als additieven voor polymere materialen, over het algemeen vereisen de initi\u00eble kleur licht, geen kleur vlek, en polymere materialen hebben een goede compatibiliteit, met verwerking eisen van hittebestendigheid, chemische stabiliteit, enz. Bij gebruik in verpakkingsmaterialen voor voedingsmiddelen moeten UV-absorbers ook voldoen aan de milieueisen van voedselverpakking en migratiebestendigheid.<\/p>\n

Hierboven leggen we uit wat de rol van UV-absorbers is om selectief de hoge energie van de lichtbron van ultraviolet licht te absorberen, door energieomzetting, zodat de hoge energie van ultraviolet licht in onschadelijke thermische energie vrijkomt of wordt verbruikt. Het type polymeer is verschillend, zodat de verouderingsschade aan de UV-golflengte (gevoelige band) niet hetzelfde is. Zoals de volgende tabel.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Materiaalcategorie<\/td>\nGevoelig golfgebied (nm)<\/td>\n<\/tr>\n
Polyethyleen<\/td>\n300<\/td>\n<\/tr>\n
Polyvinylchloride<\/td>\n310<\/td>\n<\/tr>\n
Polystyreen<\/td>\n318<\/td>\n<\/tr>\n
Polyester<\/td>\n325<\/td>\n<\/tr>\n
Polypropyleen<\/td>\n310<\/td>\n<\/tr>\n
Vinylchloride - Ethylacetaat Copolymeer<\/td>\n322-364<\/td>\n<\/tr>\n
Polycarbonaat<\/td>\n300-320<\/td>\n<\/tr>\n
Polycarbonaat (PC)<\/td>\n295<\/td>\n<\/tr>\n
Nitrocellulose<\/td>\n310<\/td>\n<\/tr>\n
Polymethylmethacrylaat<\/td>\n290-315<\/td>\n<\/tr>\n
Thermoplastische harsen<\/td>\n290-320<\/td>\n<\/tr>\n
Onverzadigd polyester<\/td>\n325<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Zoals de tabel laat zien, zijn verschillende soorten polymeermaterialen gevoelig voor verschillende golflengten van ultraviolet licht en kunnen verschillende UV-absorbers verschillende reeksen beschermende lichtgolven absorberen. Daarom kiezen verschillende harsen de juiste UV-absorber om een goed lichtstabilisatie-effect te bereiken.<\/p>\n

Samengevat, als een UV-absorber dan de noodzaak om de volgende voorwaarden hebben.<\/p>\n

1, kan UV sterk absorberen;<\/p>\n

2, goede chemische stabiliteit, geen chemische reactie met andere componenten in het materiaal; goede fotochemische stabiliteit zelf, geen ontleding en verkleuring.<\/p>\n

3, goede thermische stabiliteit, kleine vluchtigheid, en zal niet veranderen als gevolg van warmte in de verwerking; \u2463<\/p>\n

4, Goede compatibiliteit met polymeer materialen, kan gelijkmatig worden gedispergeerd in het materiaal, geen berijpen, geen neerslag;<\/p>\n

5, andere eigenschappen, zoals kleurloos, niet giftig, geurloos; bestand tegen wassen; goedkoop, gemakkelijk te verkrijgen.<\/p>\n

 <\/p>\n

Producten uit dezelfde serie<\/strong><\/h2>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Naam product<\/td>\nCAS-NR.<\/td>\nChemische naam<\/td>\n<\/tr>\n
lcnacure\u00ae TPO<\/span><\/a><\/td>\n75980-60-8<\/td>\nDifenyl(2,4,6-trimethylbenzoyl)fosfineoxide<\/td>\n<\/tr>\n
lcnacure\u00ae TPO-L<\/span><\/a><\/td>\n84434-11-7<\/td>\nEthyl(2,4,6-trimethylbenzoyl)fenylfosfinaat<\/td>\n<\/tr>\n
lcnacure\u00ae 819<\/span><\/a>\/920<\/td>\n162881-26-7<\/td>\nFenylbis(2,4,6-trimethylbenzoyl)fosfineoxide<\/td>\n<\/tr>\n
lcnacure\u00ae ITX<\/span><\/a><\/td>\n5495-84-1<\/td>\n2-Isopropylthioxanthon<\/td>\n<\/tr>\n
lcnacure\u00ae DETX<\/span><\/a><\/td>\n82799-44-8<\/td>\n2,4-diethyl-9H-thioxanthen-9-on<\/td>\n<\/tr>\n
lcnacure\u00ae BDK<\/span><\/a>\/651<\/td>\n24650-42-8<\/td>\n2,2-Dimethoxy-2-fenylacetofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 907<\/span><\/a><\/td>\n71868-10-5<\/td>\n2-Methyl-4\u2032-(methylthio)-2-morfolinopropiofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 184<\/span><\/a><\/td>\n947-19-3<\/td>\n1-Hydroxycyclohexyl fenylketon<\/td>\n<\/tr>\n
lcnacure\u00aeMBF<\/td>\n15206-55-0<\/td>\nMethylbenzoylformiaat<\/td>\n<\/tr>\n
lcnacure\u00ae150<\/td>\n163702-01-0<\/td>\nBenzeen, (1-methylethenyl)-, homopolymeer,
\nar-(2-hydroxy-2-methyl-1-oxopropyl)-derivaten<\/td>\n<\/tr>\n
lcnacure\u00ae160<\/span><\/a><\/td>\n71868-15-0<\/td>\nDifunctioneel alfahydroxyketon<\/td>\n<\/tr>\n
lcnacure\u00ae 1173<\/a><\/span><\/td>\n7473-98-5<\/td>\n2-Hydroxy-2-methylpropiofenon<\/td>\n<\/tr>\n
lcnacure\u00aeEMK<\/td>\n90-93-7<\/td>\n4,4\u2032-Bis(diethylamino)benzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae PBZ<\/span><\/a><\/td>\n2128-93-0<\/td>\n4-Benzoylbifenyl<\/td>\n<\/tr>\n
lcnacure\u00aeOMBB\/MBB<\/td>\n606-28-0<\/td>\nMethyl 2-benzoylbenzoaat<\/td>\n<\/tr>\n
lcnacure\u00ae 784<\/a><\/span>\/FMT<\/td>\n125051-32-3<\/td>\nBIS(2,6-DIFLUORO-3-(1-HYDROPYRROL-1-YL)FENYL)TITANCEEN<\/td>\n<\/tr>\n
lcnacure\u00ae BP<\/span><\/a><\/td>\n119-61-9<\/td>\nBenzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae754<\/td>\n211510-16-6<\/td>\nBenzeenazijnzuur, alfa-oxo-, oxydi-2,1-ethaandiylester<\/td>\n<\/tr>\n
lcnacure\u00aeCBP<\/td>\n134-85-0<\/td>\n4-Chloorbenzofenon<\/td>\n<\/tr>\n
lcnacure\u00ae MBP<\/span><\/a><\/td>\n134-84-9<\/td>\n4-Methylbenzofenon<\/td>\n<\/tr>\n
lcnacure\u00aeEHA<\/td>\n21245-02-3<\/td>\n2-Ethylhexyl-4-dimethylaminobenzoaat<\/td>\n<\/tr>\n
lcnacure\u00aeDMB<\/td>\n2208-05-1<\/td>\n2-(Dimethylamino)ethylbenzoaat<\/td>\n<\/tr>\n
lcnacure\u00aeEDB<\/td>\n10287-53-3<\/td>\nEthyl 4-dimethylaminobenzoaat<\/td>\n<\/tr>\n
lcnacure\u00ae250<\/td>\n344562-80-7<\/td>\n(4-Methylfenyl) [4-(2-methylpropyl)fenyl] jodonium
\nhexafluorofosfaat<\/td>\n<\/tr>\n
lcnacure\u00ae 369<\/span><\/a><\/td>\n119313-12-1<\/td>\n2-benzyl-2-(dimethylamino)-4\u2032-morfolinobutyrofenon<\/td>\n<\/tr>\n
lcnacure\u00ae 379<\/span><\/a><\/td>\n119344-86-4<\/td>\n1-Butanon, 2-(dimethylamino)-2-(4-methylfenyl)methyl-1-4-(4-morfolinyl)fenyl-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Neem nu contact met ons op!<\/b><\/strong><\/h2>\n

Als u een COA, MSDS of TDS nodig hebt, vul dan uw contactgegevens in op het onderstaande formulier. Wij nemen doorgaans binnen 24 uur contact met u op.<\/b><\/strong> Je kunt me ook een e-mail sturen info@longchangchemical.com<\/span><\/a> tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/h4>","protected":false},"excerpt":{"rendered":"

Kenmerken, soorten en toepassingen van UV-absorbers UV-absorber is zo'n klasse van stoffen, kan het zonlicht of fluorescerende lichtbron absorberen in het ultraviolette golflengte deel, en de eigen fysische eigenschappen, structuur verandert niet. UV-absorbers kunnen worden onderverdeeld in de volgende categorie\u00ebn op basis van hun chemische structuur: salicylaten, benzofenonen, benzotriazolen, gesubstitueerde [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5459","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"\nCharacteristics, types and applications of UV absorbers - Longchang Chemical<\/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:\/\/longchangchemical.com\/nl\/characteristics-types-and-applications-of-uv-absorbers\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Characteristics, types and applications of UV absorbers - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Characteristics, types and applications of UV absorbers UV absorber is such a class of substances, it can absorb sunlight or fluorescent light source in the ultraviolet wavelength part, and its own physical properties, structure does not change. 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