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1,4,5,8-Naphthalenetetracarboxylic dianhydride/NTDA cas:81-30-1

Tsanangudzo Pfupi

1,4,5,8-naphthalene tetracarboxylic anhydride, inowanzozivikanwa seNTA, chinhu chichena checrystalline chine kemikari formula C12H4O5.Iyo yakanyatsogadzirwa uchishandisa nzira dzakananga kuti ive nechokwadi chepamusoro uye kuchena kwayo.NTA inonyanya kushandiswa seyakagadzirwa musanganiswa weakasiyana organic komisheni, zvichibatsira mukusimudzira maindasitiri akati wandei.


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- Zvenyama uye Kemikari Zvivakwa: NTA ine huremu hwemamorekuru hwe244.16 g/mol uye nzvimbo yekunyungudika ye352-358°C. Inoratidza kunyungudika kwakanyanya muzvinonyungudutsa zveorganic zvakaita sechloroform, ethyl acetate, uye benzene.Pamusoro pezvo, inoratidza kugadzikana kwakanaka pasi pemamiriro akajairwa, achibvumira kuchengetedza uye kutakura pasina kukanganisa kwakanyanya.

- Zvishandiso: NTA inowana kushandiswa mune dzakasiyana siyana maindasitiri, anosanganisira emishonga, dhayi, uye mapurasitiki.Muchikamu chemishonga, inoshanda seyakakosha yepakati mukugadzirwa kwemishonga, ichibatsira mukuvandudza marapirwo matsva.Yayo yakakwirira reactivity uye kuenderana kunoita kuti ive chinhu chakanakira mukugadzirwa kwemhando yepamusoro dhayi, kuendesa yakasarudzika mavara emhando.Uyezve, NTA inoshandiswa semonomer mukubatanidza kwehunyanzvi hwemapolymers uye resin, inovandudza kuita kwavo kwese uye kusimba.

- Chengetedzo Chengetedzo: Kana uchibata 1,4,5,8-naphthalene tetracarboxylic anhydride, zvinodikanwa kuti ucherechedze yakajairwa kuchengetedza.Mushonga uyu unofanirwa kuchengetwa munzvimbo inotonhorera, yakaoma, kure nemirazvo yakavhurika kana zvitubu zvinopisa.Kufefetedza kwakakodzera kwakakosha panguva yekushandiswa kudzivirira kufemerwa kwehupi hunogona kuitika.Sezvinoita chero chinhu chemakemikari, zvakakosha kuti upfeke midziyo yekudzivirira yakakodzera, kusanganisira magirovhosi nemagirazi, kuderedza kubata kwakananga uye kuve nechokwadi chekuchengetedza.

Mukupedzisa, 1,4,5,8-naphthalene tetracarboxylic anhydride yakakosha kemikari yemakemikari iyo inoshanda sechinhu chakasiyana-siyana mumaindasitiri akasiyana.Hunhu hwayo hunoshamisa uye mashandisirwo akawandisa anoita kuti ive chinhu chakakosha mukugadzirwa kweorganic compounds, mishonga yemishonga, dhayi, uye mapurasitiki.Isu takatsaurirwa kukupa iwe yemhando yepamusoro yeNTA, yakagadzirwa nemazvo uye zvinoenderana nemaitiro eindasitiri.

Tsanangudzo:

Chitarisiko Whiteupfu Conform
Kuchena(%) ≥99.0 99.8
Kurasikirwa pakuomeswa (%) 0.5 0.14

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