Cov khoom lag luam
Muaj li cas 4,4' me-methylene-bis (2- Ethylaniline)?
4,4'-Methylene-BIS (2- ethylaniline) yog cov organic sib xyaw. Nws yog lub teeb pom kev daj ntsuab oily oily piscous kua. Nws yog yooj yim soluble hauv ethanol, xyab thiab benzene, tab sis insoluble hauv dej. Nws tus lej cas yog 19900-65-3, EineCs Number yog}, tshuaj siv tshuaj lom neeg, thiab hnyav hnyav yog 254.37. Nws qhov ceev yog li 1. 0 344,}}}. 57.59 degree yog txog 1.5794. Qhov kwv yees tus nqi ntawm acidity coefficient yog 5.10 ± 0.25. Nws yuav tsum tau khaws cia ntawm 2 - 8 degree thiab tiv thaiv los ntawm lub teeb.
Cov ntaub ntawv yooj yim
| Tus lej | 19900-65-3 |
| Einecs tooj | 243-420-1 |
| Tshuaj Cov Qauv | C₁₇H₂₂N₂ |
| Molecular hnyav | 254.37 |
| Ceev | 1.0344 (ntxhib kwv yees) |
| Melting taw tes | 45. {{{{5-46. 5 Qib (Solv: Hexane; Benzene ({}}) (1: 1)) |
| Kub taw tes | 387.59 Qib Siab (Kwv Tawg Tsuag) |
| Refronction Index | 1.5794 (kwv yees) |
| Acidity Coefficient | 5.1 {{0 ± 0.25 (kwv yees) |
| Chaw Cia Khoom | 2-8 degree (tiv thaiv los ntawm lub teeb) |
Kev siv
Kev tsim cov polyether polyurethane elastomers: 4,4'-Methylene-BIS ({}
Kev npaj ntawm cov ntaub ntawv sau: nws yog qhov tseem ceeb hauv cov ntaub ntawv photicensitive, xws li cov photinitiatators thiab cov ntawv sau ua ke.
Siv nyob rau hauv cov synthesis ntawm dyes: raws li shares nruab nrab rau dyes, nws yog siv los ua synthesize pigments thiab dyes nrog cov xim tshwj xeeb.
Cov Ntaub Ntawv Kev Nyab Xeeb
{{0 {0}}, 4-Methylene-BIS ({{4 4} ethylaniline) yog cov organic sib xyaw nrog qee qhov kev phom sij rau ib puag ncig. Zam kev tso tawm nws mus rau hauv cov dej lub cev thiab av.
- Thaum lub sijhawm ua haujlwm, tsim nyog cov cuab yeej tiv thaiv tus kheej yuav tsum hnav, suav nrog tsom iav, cov hnab looj tes tiv thaiv thiab tiv thaiv khaub ncaws.
- Zam kev nqus cov ntxhiab tsw ntawm nws cov vapor lossis kev daws teeb meem, thiab ua kom muaj kev kuaj mob zoo.
- Thaum muaj kev sib cuag nrog tawv nqaij lossis qhov muag, yaug tam sim ntawd nrog dej kho mob ntau.
- Thaum khaws cia thiab tuav, kom deb ntawm cov hluav taws thiab oxidants kom tsis txhob muaj kev tawm tsam nrog lwm yam khoom.
Tuam txhab tau
Gneebioyog kev tsim tawm tshwj xeeb hauv kev tshawb fawb, kev loj hlob, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb lireagentCov khoom tau dav exported rau ntau lub tebchaws suav nrog Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov kev pabcuam sai sai rau peb cov neeg siv khoom. Peb vam tias yuav tsim kev sib koom tes ntev thiab muaj kev sib koom tes hauv lub neej yav tom ntej thiab muab cov khoom lag luam zoo tshaj plaws rau peb cov neeg siv khoom.
Cov FAQ
Q1.What yog cov ntsiab lus them nqi?
A: Peb tuaj yeem lees txais T / T, L / C, thiab DP cov ntsiab lus them nqi.
Q2.How txog cov khoom sib txawv ntawm cov khoom lag luam hauv tib daim ntawv thov?
A: Specifications tuaj yeem kho tau raws li koj daim ntawv thov.
Q3.Hub li cas txog cov qauv ntawm cov khoom lag luam?
A: Peb tuaj yeem muab cov hnoos qeev dawb hauv 2 kg (tsis suav nrog tus nqi thauj khoom).
Q4.How txog tus nqi ntawm cov khoom lag luam?
A: Peb cov khoom lag luam yog cov muaj kev coj dawb huv nrog cov khoom zoo, thiab tus nqi yog raws cov kev sib txawv thiab cov khoom sib txawv.
Q5.What tus txee lub neej rau cov khoom thauj?
A: Peb cov khoom lag luam txee lub neej yog 2 xyoos, uas yog ua rawsR qhuav thiab muaj qhov tso cia.
Cim npe nrov: High Quality 4,4'-Methylene-BIS ({{}}}}}} {}} Cov neeg tsim khoom, cov chaw tsim khoom, Hoobkas
