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4,4′-Methylenebis(2-ethyl-6-methylaniline) / MMEA CAS No. 19900-72-2 Hoton da aka Fito
  • 4,4′-Methylenebis(2-ethyl-6-methylaniline) / MMEA CAS No. 19900-72-2

4,4′-Methylenebis(2-ethyl-6-methylaniline) / MMEA CAS No. 19900-72-2

Takaitaccen Bayani:

Sunan Sinadari: 4,4′-Methylenebis(2-ethyl-6-methylaniline)

Ma'anar kalmomi: 4,4′-Methylenebis(2-ethyl-6-methylaniline); Bis(4-amino-3-ethyl-5-methylphenyl)methane 4,4′-Diamino-3,3′-diethyl-5,5′-dimethyldiphenylmethane; Curehard-Med; 4,4′-Methylene-Bis(2-Methyl-ethylaniline)

Lambar: MMEA

Lambar CAS: 19900-72-2


Cikakken Bayani game da Samfurin

Alamun Samfura

Bayanin Samfurin

Ana amfani da 4,4'-Methylenebis(2-ethyl-6-methylaniline) / MMEA, lambar CAS 19900-72-2, a matsayin mai faɗaɗa sarka ga polyurethane elastomers kuma a matsayin wakili mai warkarwa ga epoxy resin don inganta halayen injiniya da na canzawa na samfura. Hakanan ana iya amfani da MED a matsayin babban mahaɗi don polyimides da kuma a matsayin tsaka-tsaki don haɗakar kwayoyin halitta.

Ya dace sosai don yin amfani da polyurethane (CPU), thermoplastic polyurethane (TPU), RIM elastomers da feshi polyurea a cikin filin polyurethane. Hakanan ana amfani da MED don amfani da shafi na sarrafawa, prepreg da sinadarai masu hana lalata a cikin filin resin epoxy. Ana amfani da MED wajen haɗa prepolymers, gami da polyether da polyester.

MED mafita ce mai kyau ga samfuran da aka gama waɗanda ke buƙatar launin haske da kuma hana tsufa. Ana iya amfani da MED tare da wasu magungunan warkarwa irin na amine (haɗin) don dacewa da kyawawan halaye na jiki.

MED da MOCA dukkansu sinadarai ne masu warkarwa irin na amine. Duk da haka, MED yana da kyau ga muhalli kuma ba shi da gurɓatawa idan aka kwatanta da MOCA. MED kuma zai iya maye gurbin MBOEA da HQEE akan samfuran PU, komai CPU (simintin polyurethane) ko TPU (thermoplastic polyurethane). Kamar MOCA, ELASTORMERS na MED suna da kyakkyawan juriya ga zafi idan suna aiki sama da digiri 120.

Aikace-aikace

MED/MMEA wani abu ne mai faɗaɗa sarkar diamine mai ƙamshi da kuma maganin warkarwa. Saboda ƙa'idodi masu tsauri kan amfani da MOCA, MED mai kyau ga muhalli, wanda ba shi da gurɓataccen yanayi wani zaɓi ne mai kyau da ake amfani da shi a aikace-aikace daban-daban. Polyurethanes na tushen MED suna da sauƙin amfani da 'yancin ƙira, tare da manyan kaddarorin ƙarfi yayin da suke riƙe da sassauci. Kayayyakin da aka gama na nau'in MED suna da ɗorewa da juriya wanda ke ba su damar dacewa da aikace-aikace masu wahala, kamar su madaurin bumper, casters, rollers, tayoyin forklift, kayan injin da sauransu. Bugu da ƙari, ana iya amfani da MED azaman wakili na gada akan semi-conductor da kuma azaman wakili na warkarwa akan epoxy da polyurea.

Shiryawa & Ajiya

Ga 4,4'-Methylenebis(2-ethyl-6-methylaniline) / MMEA a duk duniya. Yawan samar da mu a kowace shekara shine tan 400 na metric.

Marufi: 180kgs/jaka; 300kgs/jaka, 18kgs/jaka

Ajiya da jigilar kaya: A adana a wuri mai iska mai kyau. Domin wannan samfurin yana da ɗan hygroscopicity, don Allah a guji taɓa ruwa kuma a guji hasken rana. A rufe akwati sosai bayan an yi amfani da shi. A halin yanzu, ba za a iya adana shi da sinadarin oxidant ba.

Tsawon lokacin shiryawa: watanni 12

Ƙayyadewa

Sunan sinadarai 4,4'-Methylene-bis(2-methyl-6-ethylaniline)
Lambar CAS 19900-72-2
Tsarin kwayoyin halitta C19H26N2
Nauyin kwayoyin halitta 282.4231
Yawan yawa 1.039 g/cm3
Wurin haɗuwa 85°C
Wurin tafasa 443.1°C a 760 mmHg
Nauyin musamman 1.44 (mai ƙarfi) a 24℃
Wurin walƙiya 266°C
Bayyanar Foda fari
Danshi Kasa da 0.3%
Darajar Amine 390-408 KOH mg/g
Kayan da ba ya narkewa a cikin acetone Babu
Jimlar chlorine Ƙasa da 10 ppm
Tsarkaka 98.0%
Babban amfani Maganin warkar da polyurethane, maganin warkarwa don resin epoxy, mai faɗaɗa sarka
Matsi na tururi 4.75E-08mmHg a 25°C

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