Nws yog UV- 770
Cov Lus Qhia Yooj Yim:
Khoom npe: Txoj kev ua si UV-770
Siv Lub Npe: Ob (2,2,6-tetramethyl-4-Piperidyl) txiav txim siab
Lus Askiv lub npe: lub teeb txawb dav hlau 770; bis (2,2,6-tetramethyl-4-piperidyl) sebacate;
Tus lej lej: 52829-07-9
Molecular cov mis: c28h552n2o4
Molecular hnyav: 480.72
Einecs Number: 258-207-9
Cov Qauv Txheej Txheem:
Lwm yam pawg: lub teeb qia; ultraviolet absorber; Organic tshuaj raw khoom;
Melting Taw tes: 82-85 ° C (Lit.)
Boint Taw tes: 499.8 ± 45.0 ° C (kwv yees).
Quav: 1.01 ± 0.1 g / cm3 (kwv yees)
Nce thooj: 0 pa ntawm 20 ℃.
Flash Point: 421 F.
Solubility: soluble hauv cov kuab tshuaj organic xws li ketones, dej cawv thiab esters, nyuaj kom yaj hauv dej.
Cov Khoom: Cov hmoov dawb dawb, crystalline.
Logp: 0.35 ntawm 25 ℃
| Kev qhia tshwj xeeb | Ib yam | Lub hom phiaj |
| Kev tshwm sim |
| Dawb hais |
| Cov ntsiab lus tseem ceeb | % | ≥99.00 |
| Ywj tsw | % | I≤0.50 |
| Cov ntsiab lus tshauv | % | I≤0.10 |
| Melting taw tes | ℃ | 81.00-86.00 |
| Chromaticit | Taws | ≤25.00 |
| Teeb kev hloov pauv | ||
| 45NM | % | ≥98.00 |
| 500nm | % | ≥99.00 |
Lub photostabizer UV770 yog qhov muaj zog me me molecular hnyav Rau qhov chaw siab thiab tuab ntawm kab nqaim, molding, muaj cov photostability zoo heev. Nrog lub siab molecular hnyav lub teeb casilizer thiab ultraviolet aborizer, cov nyhuv symistic yog qhov tseem ceeb.
Feem ntau muaj rau: Polyethylene, polypropylene, polystyrene, polyester, cov duab muag, polyamides, cov nplaum, cov nplaum thiab lwm yam.
Pom zoo ntxiv tias: Feem ntau 0.05-0.60%. Yuav tsum tau xeem tsim nyog los txiav txim siab tus nqi tsim nyog rau hauv qhov kev siv tshwj xeeb.
Ntim hauv 25 kg / thawv. Lossis ntim raws li cov neeg yuav tsum tau ua.
Khaws rau hauv qhov chaw txias, qhuav thiab muaj qhov chaw siv; Zam kev tshav ntuj ncaj qha.
Thov hu rau peb rau cov ntaub ntawv muaj feem xyuam.
Kev Lag Luam Kev Lag Luam Tshiab tau muab fij tseg rau kev muab cov kev lag luam zoo ntawm cov kev lag luam no, tsav kev txhim kho tshiab hauv kev tsim kho, thov hu rau peb:
Email: nvchem@hotmail.com
