Hoobkas nqi qis 3, 3′, 4, 4′ -Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5
Peb lub tuam txhab cog lus rau txhua tus neeg los ntawm cov khoom zoo tshaj plaws nrog rau lub tuam txhab tom qab muag khoom zoo tshaj plaws. Peb zoo siab tos txais peb cov neeg yuav khoom tsis tu ncua thiab cov neeg yuav khoom tshiab los koom nrog peb rauHoobkas nqi qis 3, 3′ , 4, 4′-Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5Peb zoo siab tos txais koj tuaj xyuas peb. Vam tias tam sim no peb muaj kev koom tes zoo heev thaum lub sijhawm tom ntej.
Peb lub tuam txhab cog lus rau txhua tus neeg los ntawm cov khoom zoo tshaj plaws nrog rau lub tuam txhab tom qab muag khoom zoo tshaj plaws. Peb zoo siab tos txais peb cov neeg yuav khoom tsis tu ncua thiab cov neeg yuav khoom tshiab los koom nrog peb, Ntxiv mus, peb tau txais kev txhawb nqa los ntawm cov kws tshaj lij thiab cov kws tshaj lij uas muaj kev paub dhau los, uas muaj kev txawj ntse loj heev hauv lawv qhov chaw. Cov kws tshaj lij no ua haujlwm sib koom tes ua ke los muab rau peb cov neeg siv khoom ntau yam khoom zoo.
3,3 ', 4,4' – Benzophenonetetracarboxylic dianhydrideyog ib qho hmoov crystalline xim av. Lub ntsiab lus yaj ntawm cov tshuaj no yog 218.67 ° C, thiab nws decomposes ntawm 360 ° C. Qhov kub ntawm kev sib xyaw ua ke yog siab heev, thiab tsis muaj kev kub hnyiab tau pom. Qhov ceev ntawm cov tshuaj yog 1.5452g / ml, thiab lub siab ntawm cov pa yog 6.53E-011Pa.
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Kub taw tes | 320°C 5 hli |
| Qhov Ceev | 1.57 g/cm3 |
| Qhov kub yaj | 218-222 °C (lit.) |
| qhov kub hnyiab | 324 °C |
| kev tiv taus | 1.6380 (kwv yees) |
| Cov xwm txheej cia khoom | Huab cua tsis muaj zog, Kub hauv chav |
BTDA siv ua ib qho khoom nruab nrab hauv kev tsim cov khoom yas lossis cov tshuaj zoo hauv kev lag luam. Polymer monomer, siv rau kev tsim cov khoom siv polymer uas tiv taus kub siab.
Feem ntau ntim rau hauv 25kg / nruas, thiab kuj tuaj yeem ua pob khoom raws li koj xav tau.
Peb lub tuam txhab cog lus rau txhua tus neeg los ntawm cov khoom zoo tshaj plaws nrog rau lub tuam txhab tom qab muag khoom zoo tshaj plaws. Peb zoo siab tos txais peb cov neeg yuav khoom tsis tu ncua thiab cov neeg yuav khoom tshiab los koom nrog peb rau tus nqi qis ntawm lub Hoobkas.3, 3′, 4, 4′-Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5Peb zoo siab tos txais koj tuaj xyuas peb. Vam tias tam sim no peb muaj kev koom tes zoo heev thaum lub sijhawm tom ntej.
Tus nqi qis ntawm lub Hoobkas CAS: 2421-28-5 thiab C17h6o7, Ntxiv mus, peb tau txais kev txhawb nqa los ntawm cov kws tshaj lij thiab muaj kev paub dhau los, uas muaj kev txawj ntse loj heev hauv lawv qhov chaw. Cov kws tshaj lij no ua haujlwm sib koom tes ua ke los muab cov khoom zoo rau peb cov neeg siv khoom.
