Khoom Taw Qhia

Khoom npe	UV-571
Tshuaj npe	Benzotriazolyl dodecyl p-cresol
CAS Nr.	125304-04-3/23328-53-2
Hom	Benzotriazole UV Absorber
Molecular Formula	C25H35N3O
Molecular Luj	393 g / mol
Flashing Point	240 degree
Qhov ntom	1.003g / cm3
Qhov tshwm sim	daj ntseg oily kua
Melting Point	138 degree
Tshauv	Tsawg dua lossis sib npaug li 0.1%
Assay	Ntau dua lossis sib npaug li 99.0%

UV Absorber UV-571, tseem hu ua Tinuvin 571, yog cov kua benzotriazole UV absorber tsim los muab kev tiv thaiv zoo tiv thaiv UV-induced degradation hauv polymers, coatings, adhesives thiab lwm yam polymer-raws li cov ntaub ntawv. Nws yog tshwj xeeb tshaj yog haum rau daim ntaub ntawv uas zoo compatibility, tsawg volatility thiab ntev lub teeb stability yuav tsum tau.

Nrog nws cov kua dej thiab zoo solubility nyob rau hauv ntau cov organic solvents, monomers thiab intermediates, UV-571 tuaj yeem muab tso rau hauv ntau hom polymer thiab txheej txheej. Nws yog dav siv rau thermoplastic polyurethane (TPU / PUR), PVC, PVB, PMMA, EVA, unsaturated polyester, adhesives, coatings, elastomers thiab polyolefins.

Solubility @ 20℃(g / 100g hnyav)
Acetone	>50
Toluene	>50
Chloroform	>50
Methylene Chloride	>50
Ethanol	12
n-Hexane	>50
Ethyl acetate hmoov	>50
Methanol	1
Dej	<0.01

Cov yam ntxwv tseem ceeb ntawm UV-571

UV-571 yog hydroxylphenyl benzotriazole- hom UV absorber uas muab kev tiv thaiv UV dav dav, tshwj xeeb tshaj yog nyob rau thaj tsam li 300-400 nm. Nws absorbs high-zog UV hluav taws xob thiab hloov lub zog absorbed rau hauv daim ntawv tsis tshua muaj teeb meem, pab txo cov photochemical cov tshuaj tiv thaiv lub luag hauj lwm rau polymer degradation.

Ib qho txiaj ntsig tseem ceeb ntawm UV Absorber UV-571 yog nws daim ntawv ua kua. Piv nrog cov khoom UV absorbers, cov kua UV absorber tuaj yeem muab cov txiaj ntsig zoo hauv qee cov kua tshuaj vim tias nws tuaj yeem yaj lossis tawg tau yooj yim dua hauv cov kuab tshuaj tsim nyog, monomers thiab resin systems.

UV-571 kuj tseem muaj cov khoom siv polymer zoo sib xws, tsis tshua muaj hluav taws xob thiab ua haujlwm siab nqus. Cov khoom no ua rau nws muaj txiaj ntsig tshwj xeeb hauv cov ntawv thov uas qhov kev cuam tshuam sab nraum zoov mus ntev thiab tuav lub ntsej muag thiab lub cev lub cev tseem ceeb.

Kev siv ntawm UV-329

1. UV-571 rau Polyurethane thiab TPU

Polyurethane (PU) thiab thermoplastic polyurethane (TPU) yog ib qho tseem ceeb tshaj plaws ntawm daim ntawv thov rau UV-571. Cov ntaub ntawv polyurethane tuaj yeem ua rau yellowing, discoloration thiab poob ntawm lub cev lub zog thaum raug UV hluav taws xob ntev.

2. UV-571 rau Txheej

UV Absorber UV-571 kuj tseem tsim nyog rau txheej txheej txheej uas yuav tsum tau tiv thaiv tshav ntuj thiab huab cua. Nws tuaj yeem pab txo qis UV-induced degradation ntawm resin systems thiab pab txhim kho xim tuav, gloss retention thiab tag nrho cov huab cua.

3. UV-571 rau PVC

UV-571 tuaj yeem siv rau hauv ob qho tib si nruj thiab yas PVC. UV raug tuaj yeem ua rau tsis muaj xim thiab ua kom tsis zoo ntawm cov khoom siv PVC, tshwj xeeb tshaj yog nyob rau sab nraum zoov siv.Cov kua dej thiab kev sib raug zoo ntawm UV-571 ua rau nws haum rau PVC formulations uas yuav tsum tau muaj kev tiv thaiv UV thiab kev ua tau zoo.

4. UV-571 rau cov yas thiab cov khoom siv polymer

Tshaj li polyurethane thiab PVC, UV-571 tuaj yeem siv rau hauv ntau lub tshuab hluav taws xob, suav nrog PVB, PMMA, PVDC, EVOH, EVA, polyester unsaturated, elastomers thiab polyolefins. Nws kuj tseem siv tau rau qee lub tshuab ua fiber ntau suav nrog PA, PET, PUR thiab PP.

5. UV-571 rau Adhesives, Elastomers thiab lwm yam formulations

UV-571 kuj tseem haum rau cov nplaum nplaum, latex, waxes, styrene polymers thiab copolymers, elastomers thiab polyolefins. Nws cov yam ntxwv solubility thiab emulsification tuaj yeem siv tau thaum tsim cov kua lossis dej raws li cov tshuab. Raws li BASF, cov khoom siv tuaj yeem txiav txim siab siv thaum lub sijhawm polymerization thiab tseem tuaj yeem siv rau cov ntawv PVC.