Cas tsis muaj: 89-32-7 PMDA Pyromellitic dianhydride
Kev Taw Qhia Luv Luv
Pyromellitic dianhydride (PMDA), cov khoom ntshiab yog cov siv lead ua dawb lossis daj me ntsis. Thaum raug cua ntub, nws yuav nqus tau dej los ntawm huab cua sai sai thiab hydrolyzed ua Pyromellitic Acid. Yaj hauv dimethyl sulfoxide, dimethylformamide, acetone thiab lwm yam organic solvents, tsis yaj hauv ether, chloroform thiab benzene. Feem ntau siv ua raw khoom rau polyimide, thiab tus neeg sawv cev crosslinking rau kev tsim cov epoxy curing agent thiab polyester resin extinction.
Pyromellitic acid (PMA), tseem hu ua 1,2,4,5-benzenetetracarboxylicacid, dawb mus rau daj hmoov siv lead ua, feem ntau yog siv rau hauv kev tsim cov polyimide, octyl pyromelliate, thiab lwm yam, yog cov khoom siv tseem ceeb rau kev tsim cov neeg sawv cev matting curing.
| YAM KHOOM | PMDA | PMA |
| Kev huv huv wt% | 99.5% | 99% |
| Cov Acetone seem PPM | 1500 xyoo | / |
| Qhov kub yaj | 284~288 | / |
| Xim | Dawb mus rau daj | Dawb |
| Cov kua qaub dawb wt% | 0.5 | / |
| Qhov loj ntawm cov khoom me me | Nyob rau ntawm qhov kev thov ntawm cov neeg siv khoom | Nyob rau ntawm qhov kev thov ntawm cov neeg siv khoom |
Thov hu rau peb kom tau txais COA thiab MSDS. Ua tsaug.
