Tshiab UV absorber tshawb nrhiav tiam sis

UVA band tshuaj tiv thaiv kab tshab tshuaj

INCI NAME (Diethylamino Hydroxybenzoyl Hexyl Benzoate) hu ua DHHB, nws muaj molecular luj ntawm 391g / mol thiab nws yog tshuaj roj-soluble tshuaj tshuaj tiv tshav ntuj kub.

Nws kuj tau raug xaus tias DHHB qhov kev ua haujlwm hauv cov tshuaj tiv thaiv hnub ci muaj xws li:

(1) Heev nyhuv heev ntawm UVA1.

(2) Muaj zog tiv thaiv dawb radicals generated by ultraviolet rays.

(3) Pab txhawm rau txhim kho SPF tus nqi ntawm UVB tshuaj thaiv hnub.

(4) Kev ruaj ntseg zoo thiab tswj kev ua haujlwm ntev.

DHHB UV-shielding ntau yam muaj tag nrho UVA uas yog los ntawm 320 mus rau 400 nm, nrog ib qhov siab tshaj plaws haum ntawm 354 nm. Li ntawd, cov nyhuv UVA1 masking yog tib yam li qhov zoo tshaj plaws UVA1 tshuaj tiv thaiv tshav ntuj, Avobenzone, tab sis DHHB zoo dua Avobenzone vim nws txoj kev ruaj ntseg rau tshav ntuj. Avobenzone yog qhov kev thuam tshaj plaws. Nyob rau hauv tshav ntuj, lub peev xwm los nqus ultraviolet lub teeb yog sai sai tsis muaj zog. Vim li no, lwm cov UV absorbers yog xav tau raws li lub teeb nyob rau hauv kev ua kom lub cev tsis muaj avobenzone. Rau DHHB, qhov no tsis tas yuav tsum tau saib xyuas.

UVA band tshuaj tiv thaiv kab tshab tshuaj

DHHB muaj qhov kaj zoo vim tias nws cov qauv molecular tau zoo resonance thiab hydrogen ion hloov (H-shift) cov nyhuv. Thaum DHHB molecules nqus ultraviolet lub teeb, lawv hloov los ntawm tus qauv nplaum hauv benzene thiab cov xaim hluav taws xob uas nyob ib sab ntawm lub molecule.Thaum lub zog yog absorbed, tag nrho cov qauv molecular yuav hloov mus ib ntus. Thaum cov roj molecular maj mam tso lub zog, lub qauv molecular ntawm DHHB yuav rov qab los rau nws lub xeev qub. Nyob rau hauv lwm yam lus, thaum lub sij hawm lub teeb ntawm ultraviolet lub teeb, DHHB qauv Nws yuav tsis raug pov tseg, yog li nws muaj peev xwm tswj tau nws cov hauj lwm mus sij hawm ntev.

DHHB tsis tsuas yog muaj kev tiv thaiv zoo tiv thaiv UVA, tab sis kuj pab txhawb SPF tus nqi thaum siv UBV sunscreens, pab UVB tiv thaiv. Thaum siv ntau qhov sib txawv ntawm Uvin A plus nrog UVB tshuaj thaiv hnub (tsau 2% Ethylhexyl Triazone) thiab pom tias thaum DHHB yog 2.5%, SPF ntawm tag nrho cov khoom yog 10; Thaum lub DHHB tau nce mus rau 10% Thaum lub sijhawm, SPF nqi ntawm tag nrho cov khoom yuav nce mus txog 32.5. Formulated nrog UVB tshuaj thaiv hnub (2% T-150 = EthylhexylTriazone), kev tiv thaiv UVA ntawm DHHB tuaj yeem nrog ntau ntxiv thiab muaj cov nyhuv loj heev rau SPF qhov tseem ceeb.

DHHB tseem muaj lub zog tiv thaiv ntawm cov dawb radicals generated los ntawm ultraviolet rays. Ib lub tswv yim tshiab ntawm ISPF ntawm lub hnub tiv thaiv tiv thaiv tias, ntxiv rau UVB thiab UVA tiv thaiv tam sim no muaj nyob rau hauv cov tshuaj pleev thaiv hnub, cov dawb radicals generated los ntawm ultraviolet lub teeb yuav tsum yog kev tiv thaiv kev tiv thaiv, thiab ISPF hais txog kev tiv thaiv tawm tsam ultraviolet radicals.

Los ntawm ze li ntawm 10 xyoo ntawm cov ntaub ntawv ntsuam xyuas thiab kev nce qib, DHHB tau hloov tag nrho cov tsis ruaj tsis khov avobenzone nyob rau hauv qib high-end, tshwj xeeb tshaj yog nyob rau hauv Japanese thiab Korean tshuaj pleev ib ce. Cov neeg sawv cev raug yog South Kauslim lub Amore Pacific thiab Nyiv lub Shiseido series cov khoom tshuaj hnub ci. Qhov tshwm sim ntawm qhov khoom no ua rau daws qhov teeb meem UVA tiv thaiv teeb meem uas tau ntev plagued kev lag luam. Nrog lub tswv yim ntawm qhov kev tsim tawm, qhov khoom kom zoo dua yuav ua ntau dua thiab ntau dua. (Ntawm qhov tam sim no, qhov kev thov rau cov khoom no tau mus txog ze li ntawm 500 tons tsis muaj US lag luam, thiab tag nrho tus nqi nyob ib ncig ntawm RMB180 lab.)

Tshav tiv thaiv band broadband kev tshawb fawb

1.Tinosorb A2B

Tinosorb A2B - terfenyl phenyl triazine, UVB UVB UVB thiab UVA II UV absorber, dej soluble, high stability stability, pab UVA kuv tiv thaiv thiab yog tsim rau tag nrho cov khoom muag khoom (xws li cov tawv nqaij thiab cov tshuaj pleev thaiv hnub rau cov me nyuam)

2.Tinosorb S

Bis-dthylhexyloxyphend methoxyphenyl triazines, high-efficiency broad-spectrum UVB thiab UVA UV absorbers, lub teeb daj hmoov, roj-soluble, zoo heev ntawm daim tawv nqaij, siab lub teeb stability, lwm lub teeb stability Stabilizer rau cov neeg pluag UV absorbers. Tsis yog rau cov khoom tshuaj hnub ci xwb, tab sis kuj yog rau cov khoom noj khoom haus xws li cov tawv nqaij ua kom zoo nkauj. Qhov tshuaj tiv thaiv no raug pom zoo los ntawm US FDA thiab pom zoo los ntawm European Union. Qhov no yog ib qho khoom muaj roj-soluble, ib tug broad-spectrum UVA thiab UVB absorber. Tshawb nrhiav txog qhov yeeb tshuaj no tsis txaus. Nws tsuas yog paub tias yog lub teeb ruaj khov thiab tsis muaj kev ua mob estrogenic. (Tam sim no, qhov kev thov rau cov khoom no tau mus txog 800 tons tsis muaj US lag luam, thiab tag nrho tus nqi kwv yees txog RMB 500 lab.)

3. Kev tshawb nrhiav kev simplification kev ntawm cov tshuaj pleev thaiv tshav ntuj technology

Uvinul Easy yog lub tshuaj pleev thaiv hnub ci uas hloov mus rau hauv ib lub tshuaj thaiv hnub tom qab ntxiv dej thiab cov quav. Nws tuaj yeem siv tau los ua kom txhua cov tshuaj pleev ntawm SPF 6-50. Ntawm lawv, cov khoom xyaw dhia ntawm tshuaj thaiv hnub yog DHHB, OMC, T-150, Tinosorb M.

Txhua tus neeg uas zov txog hnub tiv thaiv ua lawv tus kheej cov qauv tshuaj hnub ci. Tshuaj pleev thaiv hnub yog ncaj qha raws li koj tus kheej thiab siv lub sijhawm DIY, nws yog ib qho kev sib txuas rau yav tom ntej ntawm txoj kev lag luam.