UV absorbers 928
Ozi bụ isi:
Aha ngwaahịa: UV Absorbers UV-928
Aha kemịkal: 2- (2 '-hydroxyl-3' -subkil-5'-tertiary phenyl) benzotriazole;
2- (2-2H-benzotriazole) -6- (1-methyl-1-phenyl) ethyl-4- (1133-tetramethylbutyl) phenol;
Aha Bekee: UV Absorbers 928; 2- (2H-Benzotriazol-2-yl) -6- (1-methyl-1-phenylethyl) -4- (1,1,3,3-tetramethylbutyl) phenol;
Nọmba CAS: 73936-91-1
Usoro ihe omimi: C29H35N3O
Ibu ibu: 441.61
Nọmba EINECS: 422-600-5
Usoro nhazi:
Ụdị njikọ: kemikal intermediates; ultraviolet absorbent; ìhè stabilizer; organic chemical akụrụngwa;
Ebe mgbaze: 108-112 Celsius
Ebe esi mmiri: 555.5± 60.0 Celsius C (buru amụma)
Njupụta 1.07.
Solubility: soluble na toluene, styrene, cyclohexane, methyl methacrylate, ethyl acetate, ketones, wdg, na-adịghị edozi na mmiri.
Njirimara: Light odo crystalline ntụ ntụ
Nọmba ederede: 7.17
| Nkọwapụta | Nkeji | Ọkọlọtọ |
| Ọdịdị | Ntụ ntụ kristal na-acha odo odo | |
| Ebe mgbaze | ℃ | 108.0-112.0 |
| Volatiles | % | ≤0.30 |
| Isi ọdịnaya | % | ≥99.00 |
| ntụ ọdịnaya | % | ≤0.05 |
| Nfefe ọkụ | ||
| 460nm | % | ≥97.00 |
| 500nm | % | ≥98.00 |
UV-928 onye na-ekpuchi ihe bụ benzotriazole UV absorber, nke nwere ike ịmịnye ọkụ ultraviolet 270-380 nm, yana ọnụ ọgụgụ kachasị elu nke 303 nm na 345 nm. Ọ nwere njirimara nke ndakọrịta dị mma, obere mgbanwe dị mma, mgbasa ozi dị mma, obere mmegharị ahụ, nkwụsi ike nke okpomọkụ dị mma na arụmọrụ dị elu, ọ dịkwa mma maka usoro ọgwụgwọ okpomọkụ dị elu, mkpuchi ntụ ntụ na mkpuchi ígwè na-atụgharị. Ejikọtara ya na ihe nkwụnye ọkụ UV292 na UV123, na-eme ka ọ dịkwuo ogologo oge nke mkpuchi ahụ, ma na-egbochi mkpuchi ọkụ ọkụ, ngbanwe, mgbawa, na delamination.
A na-ejikarị eme ihe: mkpuchi ụgbọ ala, mkpuchi mkpuchi, mkpuchi ntụ ntụ.
Ọnụ ego akwadoro: 1.0-3.0%, a na-ekpebi ego a kapịrị ọnụ dịka nyocha ngwa ndị ahịa
Ejiri ya na 20 ma ọ bụ 25 Kg / katọn.
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