Cosmate®AVB,Avobenzone,Butyl Methoxydibenzoylmethane. Ndizochokera ku dibenzoyl methane. Mitundu yambiri ya kuwala kwa ultraviolet wavelengths imatha kuyamwa ndi avobenzone. Imapezeka m'ma sunscreens ambiri omwe amapezeka pamalonda. Zimagwira ntchito ngati sunblock. Choteteza chapamwamba cha UV chokhala ndi sipekitiramu yotakata, avobenzone imatchinga mafunde a UVA I, UVA II, ndi UVB, kuchepetsa kuwonongeka komwe kuwala kwa UV kumatha kuwononga khungu.
Avobenzone (BMDM, Butyl methoxydibenzoylmethane) ndi mankhwala oteteza ku dzuwa omwe amapereka chitetezo chochuluka ku cheza cha UVA. Avobenzone imatenga zonse za UV-(380-315 nm zomwe zimagwirizanitsidwa ndi kuwonongeka kwa khungu kwa nthawi yayitali) ndi UV-B (315-280 nm yomwe imayambitsa kutentha kwa dzuwa). Avobenzone amadziwika kuti ndi imodzi mwazinthu zothandiza kwambiri zoteteza dzuwa.
Avobenzonendi mankhwala oteteza ku dzuwa omwe amagwiritsidwa ntchito kwambiri omwe amadziwika kuti amatha kupereka chitetezo chokwanira ku cheza cha UVA. Ndi imodzi mwazosefera za UVA zogwira mtima kwambiri zomwe zimapezeka ndipo nthawi zambiri zimapezeka m'malo oteteza dzuwa, zokometsera, ndi zinthu zina zosamalira dzuwa. Kuthekera kwake kuyamwa cheza cha UVA kumathandiza kupewa kujambula, kupsa ndi dzuwa, komanso kuwonongeka kwa khungu kwanthawi yayitali.
Ntchito zazikulu za Avobenzone
* Chitetezo cha Broad-Spectrum UVA: Imayatsa kuwala kwa UVA, komwe kumayambitsa kukalamba msanga komanso kuwonongeka kwa khungu.
*Kuteteza Kujambula Zithunzi: Kuteteza khungu ku makwinya opangidwa ndi UVA, mizere yabwino, komanso kutayika kwamphamvu.
*Kuteteza Kutentha kwa Dzuwa: Imagwira ntchito limodzi ndi zosefera za UVB kuti ipereke chitetezo chokwanira pakuwotchedwa ndi dzuwa.
*Mapangidwe Okhazikika: Nthawi zambiri amagwiritsidwa ntchito ndi zolimbitsa thupi kuti zitheke kutulutsa komanso kuchita bwino.
*Kugwirizana Kwapakhungu: Ndikoyenera pakhungu lamitundu yosiyanasiyana, kuphatikiza khungu lovuta.
Avobenzone Mechanism of Action
*UVA Mayamwidwe: Imayamwa ma radiation a UVA (320-400 nm) ndikuisintha kukhala mphamvu yotentha yocheperako, kuteteza kuwonongeka kwa DNA.
* Free Radical Neutralization: Imathandizira kuchepetsa kupangika kwa ma radicals aulere omwe amayamba chifukwa cha kuwonekera kwa UV, kuchepetsa kupsinjika kwa okosijeni.
* Chitetezo cha Collagen: Imalepheretsa kuwonongeka kwa collagen ndi elastin komwe kumapangidwa ndi UVA, kumapangitsa kuti khungu likhale lolimba komanso losalala.
*Synergistic Effects: Nthawi zambiri zimaphatikizidwa ndi zosefera za UVB (monga octinoxate) ndi zolimbitsa thupi (monga octocrylene) kuti zithandizire kukhazikika kwake komanso kutetezedwa kosiyanasiyana.
Ubwino wa Avobenzone & Ubwino
* Chitetezo Chogwira Ntchito cha UVA: Imateteza kwambiri ku kuwala kwa UVA, komwe ndi komwe kumayambitsa kujambula zithunzi.
*Broad-Spectrum Compatibility: Imagwira ntchito bwino ndi zosefera zina za UV kuti zipereke chitetezo chokwanira ku dzuwa.
* Photostability: Ikakhazikika, imakhalabe yogwira mtima pansi pakuwonekera kwa UV kwa nthawi yayitali.
*Yodekha Pakhungu: Yoyenera pakhungu lamitundu yonse, kuphatikiza khungu lomvera, likapangidwa moyenera.
*Kuvomerezeka Kwamalamulo: Kuvomerezedwa ndi mabungwe akuluakulu olamulira, kuphatikiza FDA ndi EU, kuti agwiritsidwe ntchito popaka mafuta oteteza dzuwa.
Zofunika Zaumisiri:
Maonekedwe | ufa woyera mpaka wotumbululuka wachikasu | ||
Identity (IR) | Zofanana ndi sipekitiramu | ||
Identity (Nthawi yosungira) | Imafanana ndi nthawi yosungira | ||
Kutha kwapadera kwa UV (E1%1cm papa 357 nm mu ethanol) | 1100-1180 | ||
Malo osungunuka | 81.0 ℃ ~ 86.0 ℃ | ||
Kutaya pakuyanika (%) | 0.50 max | ||
Chromatographic purity GC | Chidetso chilichonse(%) | 3.0 kukula | |
Zonyansa zonse(%) | 4.5 kukula | ||
Kuyesa (%) | 95.0-105.0 | ||
Zotsalira zosungunulira | Methanol (ppm) | 3,000 kuchuluka | |
Toluene(ppm) | 890 max | ||
Kuyera kwa tizilombo | Chiwerengero chonse cha aerobe | 100 CFU / g kuchulukitsa | |
Total yisiti ndi nkhungu | 100CFU/g kulemera | ||
Mapulogalamu:Zodzitetezera ku dzuwa, Zosamalira pawekha, chisamaliro cha Dzuwa, chisamaliro cha ana a Dzuwa, chisamaliro cha tsiku ndi tsiku pakhungu, zodzoladzola zokongoletsa zoteteza ku dzuwa, Zosefera za UV-A.
*Factory Direct Supply
*Othandizira ukadaulo
* Thandizo la Zitsanzo
* Thandizo la Mayesero
* Thandizo Laling'ono Laling'ono
*Kusintha Kwatsopano
* Imagwira Ntchito Mwapadera
* Zosintha zonse ndizosavuta
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