Waa maxay habka loo isticmaalo Phthalic Anhydride by Maleic Anhydride?

Habka Waxsoosaarka Phthalic Anhydride
Marka la soo saarayo phthalic anhydride oo ka timid o-xylene, maleic anhydride waa wax soo saar ka soo horjeeda (~ 5% wax soo saarka phthalic anhydride). Inta lagu jiro soo saarista phthalic anhydride, gaaska dabada falcelinta ayaa la dhaqaa si looga saaro waxyaabaha dabiiciga ah; dareeraha dhaqidda (oo ka kooban maleic anhydride, xaddi yar oo benzoic acid ah, iyo phthalic acid) waa la ururiyaa, la nadiifiyaa, oo la nadiifiyaa. WACANwaxaa loo diyaariyay inay fuuq-baxaan - oo soo saara badeecooyin anhydride ah.

Maxaad u dooranaysaa Maleic Anhydride? Waa laf-dhabarta resins-ka polyester-ka ee heerka sare ah ee aan buuxin, iyo sidoo kale waxay furaysaa kiimikooyin kala duwan oo hoos yimaada (BDO, THF, iwm.). Noo soo dir fariin hadda si aad u sahamiso xalal MA ah oo loogu talagalay ganacsigaaga!