Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom lag luam thiab cov muag khoom ntawm Tinuvin 770 CAS 52829-07-9 nyob hauv Suav teb. Txais tos rau kev lag luam wholesale loj siab zoo tinuvin 770 CAS 52829-07-9 rau muag ntawm no los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Zaj tshaj tawm
Peb tsis muag cov tshuaj no, ntawm no tsuas yog rau xyuas cov ntaub ntawv yooj yim ntawm cov tshuaj lom neeg no.
Mar . 31 th 2025
Light stabilizer 770 (HALS 770), also known as light stabilizer ZX-70, has a molecular formula of C28H50N2O4 and a molecular weight of 478.7087. Nws yog tsuas yog siv raws li kev txuag amine lub teeb condizer thiab haum rau polypropylene, penche, thiab lwm yam rau amine teeb stabilizers (yog). Nws tuaj yeem tiv thaiv kev cuam tshuam ntawm polypropylene, polystyrene, Abs, Polyurethane, Engineering Plastics, thiab Polyamide los ntawm Ultraviolet hluav taws xob. Nws muab cov sijhawm ntev ntev ruaj khov los ntawm kev sib tw dawb uas ntes cov tshuab zoo li no zoo li cov phenols. Zoo heev rau cov khoom lag luam nrog thaj chaw muaj teeb meem tshwj xeeb, xws li cov duab ua yeeb yam thiab cov kab hlau sib nqus.
Tinuvin 770, tseem hu ua Lub Teeb Stabilizer 770, CAS 52829- Nws cov lus yog qhov tseeb thiab yooj yim sib xyaw nrog cov ntaub ntawv polymer, kom muaj kev sib faib ua ke thaum siv thiab siv, thiab ua tiav qhov siab kawg lub teeb stampization nyhuv. Lub Teeb Stabilizer 770 feem ntau yog soluble hauv cov kuab tshuaj ethanol, acetone, thiab lwm yam ntxiv rau cov kev tiv thaiv lub teeb 770 rau cov tshuaj tiv thaiv txheej txheem thaum npaj cov ntaub ntawv polymer. Txawm li cas los xij, nws solubility hauv dej yog tus nqi qis, uas pab kom muaj kev ruaj ntseg nws qhov ruaj khov hauv polymer matrices hauv cov ntawv thov. Qhov ceev ceev yog qhov nruab nrab, uas tso cai rau kev tswj kom meej ntawm nws cov nyiaj ntxiv rau cov ntaub ntawv polymer, yog li zam cov teeb meem kev ua tau tshwm sim los ntawm kev tshaj plaws lossis tsis txaus. Raws li cov tshuaj tseem ceeb ntxiv, nws yog dav siv hauv ntau cov ntaub ntawv polymer los muab cov tshuaj zoo heev thiab tiv thaiv kom tshwm sim los ntawm lub teeb sib kis. Nws muaj ntau haiv neeg thiab muaj txiaj ntsig, uas tuaj yeem tiv thaiv UV kev puas tsuaj rau cov ntaub ntawv polymer, nrog rau kev ruaj khov zoo thiab sib xyaw; Nyob rau tib lub sijhawm, nws cov yam ntxwv kev nyab xeeb thiab muaj kuj tau ua kom dav hauv ntau thaj teb. Nrog kev nce qib txuas ntxiv ntawm thev naus laus zis thiab kev nce qib nce ntxiv rau cov khoom siv ua tau zoo, lub teeb tetalizer 770 yuav undenlubly ua lub luag haujlwm tseem ceeb tshaj plaws hauv lub neej tom ntej. Nyob rau hauv thaj teb ntawm chemistry, raws li lub teeb tseem ceeb stabilizer, nws txoj kev ua decomposition tau nyiam ntau xim. Tom qab kev tshawb fawb ntxiv thiab kev sim ua pov thawj, peb pom tias lub teeb tetizer 770 tuaj yeem decompose rau hauv piperidone raws li cov xwm txheej tshwj xeeb. Qhov kev tshawb fawb no tsis yog ua rau peb txoj kev nkag siab txog nws cov tshuaj lom neeg, tab sis kuj muab txoj hauv kev tshiab rau cov hluavtaws ntawm Piperidone.
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Tshuaj Cov Qauv |
C28H52N2O4 |
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Muaj pes tsawg leej |
480 |
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Molecular hnyav |
481 |
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m/z |
480 (100.0%), 481 (30.3%), 482 (2.7%), 482 (1.7%) |
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Kev Ntsuam Xyuas |
C, 69.96; H, 10.90; N, 5.83; O, 13.31 |
Tinuvin 770, raws li ib qho kev ua tau zoo amine lub teeb casilizer, ua lub luag haujlwm tseem ceeb hauv kev lag luam thiab cov lag luam yas. Nws cov haujlwm sib txawv thiab cov cim tshwj xeeb muab cov ntaub ntawv photosability zoo heev rau ntau yam khoom siv polymer, tiv thaiv kev ua kom tsis txhob muaj kev cuam tshuam los ntawm ultraviolet hluav taws xob.
1. Lub luag haujlwm tseem ceeb ntawm lub teeb stabilizer 770 yog los tiv thaiv UV kev puas tsuaj rau cov khoom siv polymer. Nws tuaj yeem nqus cov ultraviolet hluav taws xob ntawm wavelengths ntawm 290-400nm los yog quility lub zog ntawm kev puas tsuaj ntawm ultraviolet hluav taws xob rau polymer chains. Tsis tas li ntawd, nws tseem muaj peev xwm ntes cov dawb radicals, kev tiv thaiv zoo ib yam li cov pheeb suab, txuas ntxiv txhim kho lub photostability ntawm cov ntaub ntawv polymer.
2. Lub teeb betizer 770 muaj cov photostability zoo heev thiab thermal stability. Qhov no txhais tau tias thaum siv cov khoom siv polymer, txawm tias nyob hauv qhov kub thiab txias lossis muaj zog ruaj khov los yog yuav tsis decompose lossis poob nws photostability. Qhov kev ruaj khov zoo tshaj plaws ua rau lub teeb betizer 770 ua kom tau zoo hauv ib puag ncig.
3. Lub teeb betizer 770 kuj muaj kev sib raug zoo. Nws tuaj yeem sib txig sib luag hauv cov ntaub ntawv polymer, tsis muaj exudation, thiab tsis muaj kev sib txawv nrog lwm cov tshuaj ntxiv nrog cov khoom sib ntxiv lossis matrix cov ntaub ntawv. Qhov no ua rau muaj kev tswj hwm ntawm lub teeb tetizer 770 ntxiv rau cov khoom siv polymer, yog li ua tiav qhov zoo tshaj plaws lub teeb stabilization nyhuv.
4. Lub teeb tetizer 770 kuj tau ua tau zoo heev rau hydrolysis, dej, thiab lwm yam kev tawm tswv yim extraction. Qhov no txhais tau tias txawm tias hauv cov av noo lossis cov kuab tshuaj muaj ib puag ncig, lub teeb bitilizer 770 tuaj yeem nyob ruaj khov thiab yuav tsis plam nws cov photostability vim muaj kev sib cais lossis kev sib cais. Cov xeeb ceem no ua rau daim ntawv thov ntawm lub teeb tetizer 770 ntau txhim khu kev qha nyob rau sab nraum zoov lossis vaum ib puag ncig.
5. Lub teeb tas nrho 770 muaj qhov tsis muaj volatility tsawg thiab tsis muaj kuab paug. Qhov no txhais tau tias thaum lub sijhawm ua thiab siv cov ntaub ntawv polymer, lub teeb tetizer 770 yuav tsis yaj nyob rau hauv cov huab cua thiab yuav tsis ua rau ib puag ncig. Cov xeeb ceem no ua rau lub teeb betizer 770 ib puag ncig zoo nkauj thiab muaj kev nyab xeeb.
6. Hauv kev siv cov tswv yim, lub teeb tetizer 770 yog siv dav hauv cov ntaub ntawv polymer xws li polypropylene, polyethylene, Abs cobu, thiab polyurethane. Los ntawm kev ntxiv tus nqi tsim nyog ntawm lub teeb stetizer 770, cov khoom siv polymer tuaj yeem txhim kho lawv cov UV es tsis kam txhim kho, thiab tswj lub neej zoo thiab ua haujlwm zoo thiab ua haujlwm zoo.
7. Lub teeb tetizer 770 kuj muaj cov yam ntxwv ntawm kev tsis yog - kev lom lossis qis toxicity. Tus nqi ntxiv rau cov ntaub ntawv polymer feem ntau yog me me thiab tsis tso cov tshuaj lom rau cov tshuaj lom neeg thaum siv, yog li kev cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig me me. Qhov no tau coj mus rau qhov kev thov cuam tshuam ntawm lub teeb tetizer 770 hauv cov cheeb tsam uas yuav tsum muaj kev nyab xeeb, xws li ntim khoom noj khoom haus thiab cov khoom noj.
Cov khoom siv raw rau synthesizingTinuvin 770Feem ntau yog suav nrog cov ntxhiab ketone tebchaw, Amine compounds, thiab lwm yam ib pab neeg reagents. Cov ntaub ntawv raw no yuav tsum tau hnyav nyob rau hauv ib qho kev sib piv molar thiab ziab ua ntej siv los tshem tawm cov cawv ntawm noo noo thiab impurities ntawm synthesis cov tshuaj tiv thaiv.
Rov qab muaj ntxhiab ketone tebchaw nrog bromination reagents (xws li bromine lossis n {tromoform lossis carbon tetrachloride) kom tsim kom muaj brominated Ketone tebchaw. Cov kauj ruam no yuav tsum tau nqa tawm ntawm tsawg kub thiab lub sijhawm tshuaj tiv thaiv yuav tsum tau tswj nruj me ntsis los tiv thaiv kev ua yeeb yam ntau dhau. Tom qab cov tshuaj tiv thaiv tiav, brominated Ketone cov tebchaw tau txais los ntawm kev lim, ntxuav, thiab kom qhuav.
Piv txwv ntawm kev sib npaug tshuaj:
R - co - r '+ br2R → r - co -} br + r '{3}} br
Rov qab ua cov tshuaj sib txuas ua ke nrog cov tshuaj tiv thaiv acilation (xws li acetic anhydride lossis benzoyl chloride) nyob rau hauv alkaline tej yam kev mob los ua kom muaj cov lus teb amylated. Cov kauj ruam no yuav tsum tau nqa tawm hauv qab mob me me kom tsis txhob muaj kev txiav txim siab ntawm amine. Tom qab cov tshuaj tiv thaiv tiav, acylated amyine tebchaw yog tau los ntawm kev neutralization, extraction, thiab kom qhuav.
Piv txwv ntawm kev sib npaug tshuaj:
R - nh2+ R '{{- cocl → r -} co {}} r' + hcl
Ua cov yeeb yam hws ntawm brominated Ketone tebchaw thiab acylated amylated amylated amylated ameracts ntawm lub teeb tetizer 770. Cov kauj ruam no kom ntseeg tau tias qhov kev ua tau zoo ntawm cov tshuaj tiv thaiv kev ua kom nruj. Tom qab cov tshuaj tiv thaiv tau ua tiav, lub prefursor compound ntawm lub teeb stabilizer 770 yog tau los ntawm acidification, extraction, thiab crystallization.
Piv txwv ntawm kev sib npaug tshuaj:
R - co -}}}}}}}} r '+ hbr
Kev kho cov txheej txheem ua ntej ntawm lub teeb stabilizer 770, suav nrog ntxuav, yog nqa tawm kom tshem tawm cov ntaub ntawv raw thiab los ntawm}}} cov khoom lag luam thiab txhim kho lub purity ntawm cov khoom. Cov kauj ruam no yuav tsum muaj kev tswj hwm kev ua haujlwm kom tsis txhob muaj cov khoom ua haujlwm lossis tshem tawm thaum ua.
Cov Khoom Kawg: Nrhiav tauTinuvin 770.
Lub Teeb Stidilizer 770, tseem hu ua BIS (2,2 ', 6,6'- tetramethylpiperidinyl) sebacate. Nws cov photostability yog siab thiab haum rau cov khoom lag luam xws li polyethylene, polystyrene, thiab lwm yam yog 3-4 zaug ntawm ultraviolet nqus thiab Nickel Qenenchers. Vim nws cov txheeb ze tsawg dua molecular hnyav, siab tsis muaj zog, tsis zoo rau kev txav thiab rho tawm, nws yog qhov tsim nyog rau kev siv hauv cov khoom tuab. Vim tias qhov kev txwv ntawm siab alkalinity, nws muaj kev tawm tsam ntawm cov nplaim hluavtaws, cov qauv kua qaub, thiab lwm yam. Tsis ntev los no, thiab lwm yam.
(1) 2,2 ', 4,4', 6 {pentamethern {} tetrahydropyrimidine tau npaj los ntawm kev qhia txog kev qhia AmiaMia roj mus rau acetone. Siv cov tshuaj pleev amonium ua ib qho catalyst, 2,2 ', 4,2,5-tetrahydropidididididididididididididididididididididididgid-2 -6' - tetramethyl-4-oxopyridine. Nyob rau hauv lub xub ntiag ntawm catalysts xws li pob txha pob txha pob txha, 2,2 ', 6,6', 6,6 '- tetramethyl-4-hydroxypeyl-4-Hydroxyperidine.
(2) Diethyl Sebacate yog synthesized los ntawm esterification ntawm sebacic acid thiab methanol nyob rau hauv muaj sulfuric acid.
(3) 2,2 ', 6,6' - tetramethyl-4-hydroxypiperidine reacts nrog Dimethyl Sebacate los ua cov khoom tiav.
(4) Ib txoj kev npaj ntawm hindered amine lub teeb stidilizer 770, raws li hauv qab no:
Hauv 500ml plaub caj dab ntawm lub caj dab nruab nrog tus pas ntsuas kub, 0.76mol (0.76mol (0.76mol (0.5.5g ntawm Trimethyllenzene tau ntxiv ntawm chav tsev kub. Qhov sib tov tau maj mam rhuab mus rau reflux kub nrog stirring thiab khaws cia ntawm 170℃rau 4 teev rau kev tiv thaiv dej cais. Thaum lub sij hawm cov txheej txheem kev tshuaj tiv thaiv, kev ua kom muaj kev txiav txim siab los ntawm kev txheeb xyuas cov kev piv ntawm Mono - thiab Di Esters tsim los ntawm GC, thiab cov tshuaj tiv thaiv yog tswj tau txog thaum kawg.
Tom qab cov tshuaj tiv thaiv tiav, txias kev daws rau 80 degree, lim kom tshem tawm cov catalyst, thiab tom qab ntawd distill nyob rau hauv kev txo trimethylenzene. Cov khoom seem ntxiv tau ntxiv nrog kev sib npaug ntawm cov roj av ether thiab 3.5g ntawm actived carbon, rhuab mus rau 60℃-70℃thiab tom qab ntawd lim kom tshem cov pa roj carbon ua haujlwm. Cov roj av ntxiv ether tau txias rau 0-25 degree, crystallized rau 1 teev, lim thiab qhuav kom tau cov khoom. Cov khoom lag luam tau raug rau Nuclear Sib Nqus Sib Koom, thiab cov txiaj ntsig tau tshwm sim hauv daim duab 1 thiab 500nd titcher), thiab muaj hnub nyoog li ntawm 97% (xam raws li seba acid).
Cim npe nrov: Tinuvin 770 CAS 52829-07-9, cov chaw muag khoom, chaw tsim khoom, chaw tsim khoom, lag luam Wholesale, yuav, nqe, loj, loj, rau muag