Ngā Āhuatanga Matū

He wai mura kore tae, mārama, he kowhai mārama rānei. He kakara kaha, he kakara kawa. Ka taea te whakaranu ki te etanoru (pirau), te diethylene glycol, te ether, te acetone, te waro tetrachloride, te benzene, te chlorobenzene, te kerosene, me te hinu oriwa.

Whakamahia:

Whakamahia hei rauemi mata mō te hanga pahuka ngāwari polyurethane, paninga, rapa me ngā piripiri

Tikanga whakaputa

1. I whakaritea mā te tauhohenga o te 2,4-diaminotoluene me te phosgene. Tuatahi, whakarewahia te diaminotoluene totoka ki roto i te benzene chlorinated, ka whakamahana ki te 70°C me te whakaoho kia puta he otinga diaminotoluene chlorobenzene. Ka makahia te phosgenated benzene oxide kua whakahokia mai ki roto i te kohua phosgene pāmahana-iti, ka tāpirihia he nui o te mārama wai. I muri i te whakahāngai, tāpirihia te otinga diaminotoluene kua whakaritea kia maturuturu iho i te wā e whakaoho ana i te Chemicalbook, mahia te phosgenation i te 40°C, kātahi ka makahia te rauemi phosgenation pāmahana-iti ki roto i te kohua pāmahana-tiketike mō te phosgenation pāmahana-tiketike, ka whakapuaretia i te hau i te wā e whakamahana ana, mō te 4 hāora pea, ko te tauhohenga ka mahia i te 120~125℃; i muri i te otinga o te tauhohenga, ka whiwhi mā te horoi ki te hauota, te whakatō, me te whakatikatika.

Ngā Taipitopito

Nama CAS 26471-62-5

Te tātai ngota C9H6N2O2

Taumaha ngota 174.15614

EINECS Nama 247-722-4

Te pūwāhi rewa 19.5~21.5℃

Te pūwāhi koropupū 247℃

Kiato 1.22

Taupū whakaata 1.5660 ki te 1.5700

Pūwāhi mura 137 °C

Ngā tikanga rokiroki Penapena i raro i te +30°C

Ngā Mōhiohio Whakapā

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