Phthalic Anhydride By Product Maleic Anhydride a kalning cu zeidah a si?

Phthalic Anhydride ByProduct Process
O-xylene in phthalic anhydride chuah tikah, Maleic Anhydride cu a chuakmi thil (phthalic anhydride chuahmi ~5%) a si. Phthalic anhydride chuah lio ah, a hnulei thli cu thilnung pawl chuah khawhnak ding caah an tawl; tawlnak ti (maleic anhydride, benzoic acid tlawmpal, le phthalic acid aa telmi) cu a tlawm, a thianh, cun ti a tlawmter tiang a lumter—maleic anhydride thilri a chuahter.

Zeicah Maleic Anhydride na thim? A sangbik a tling lomi polyester resins hna i a hrampi a si, cun a tanglei chemical phunphun (BDO, THF, tbk.) a hun. Na chawlehnak caah aa tlakmi MA a phichuak kawl awkah a tu ah thawngthanhnak kan kuat!