I-Phthalic Anhydride, Ilungele ukuThunyelwa ~

Isicelo:

Okokuqala, i-phthalic anhydride idlala indima ebalulekileyo kwinkalo yokwenziwa kweziyobisi. Yimathiriyeli ekrwada ephambili yokwenziwa kwamachiza alwa nokudumba, amayeza esisu, amayeza okubulala iintsholongwane, amachiza okulwa nomhlaza kunye namanye amachiza. Ukongeza, i-phthalic anhydride isisandulela sokulungiswa kweehomoni ezahlukeneyo zezityalo ezifana nehomoni yokukhula kunye ne-auxin, ebaluleke kakhulu ekukhuthazeni ukukhula kwezityalo kunye nokunyusa isivuno sezityalo.

Okwesibini, i-phthalic anhydride ikwasetyenziswa ngokubanzi kwishishini ledayi kunye nevumba elimnandi. Njengesixhobo esiphakathi kwidayi neziqholo, iphthalic anhydride isetyenziselwa ukwenza iziqholo, iipigments, iidayi zefiber zokwenziwa, njl njl. Imichiza yayo ekhethekileyo iyenza ingabinakuphinda ithathelwe indawo kwezi ndawo, yongeza imibala etyebileyo neziqholo kubomi babantu.

Ukongeza, i-phthalic anhydride ikwadlala indima ebalulekileyo ekwenzeni iiplastiki kunye nerabha. Yimathiriyeli ekrwada ebalulekileyo yokwenza iikhompawundi zepolymer ezifana ne-polyphenylene ether, i-polyamide, kunye ne-polyimide. Ezi zixhobo ze-polymer zineempawu ezibalaseleyo zomzimba kunye nokuzinza kweekhemikhali, kwaye zisetyenziswa ngokubanzi kwiimoto, i-electronics, ukwakhiwa kunye nezinye iindawo, ezibonelela ngenkxaso eqinile kuphuhliso loluntu lwanamhlanje.

Kwintsimi ye-organic synthesis, i-phthalic anhydride inoluhlu olubanzi lwezicelo. Ingasetyenziselwa i-carbonylation, i-propylene oxidation, ukulungiswa kwe-carbon esters esebenzayo, i-hydrogenation eyomileyo, i-aldehyde kunye ne-ketone esterification, i-nitric acid kunye ne-alkaline oxidation. Kwi-inorganic synthesis, i-phthalic anhydride ingasetyenziselwa ukudibanisa ityuwa ye-ammonium, kwaye ingasetyenziselwa njengeyona arhente i-polymerization ephambili yokwenziwa kwe-zinc sulfide yobhedu. Ezi mpendulo zokwenziwa zibonelela ngesiseko esityebileyo semathiriyeli kuphuhliso loshishino lweekhemikhali.

Ukongeza, i-phthalic anhydride nayo inezicelo ezibalulekileyo kwintsimi yeekhemikhali ezilungileyo. Ingasetyenziselwa ukwahlukana kwekristale kunye neempendulo ze-catalytic, kwaye ingasetyenziselwa ukulungiswa kunye nokusabalalisa iteknoloji yeepolymers zesulfure ze-inorganic calcium. Ekusetyenzweni kwemigodi, i-phthalic anhydride ingasetyenziselwa ukusetyenzwa kwezimbiwa kwiidiphozithi zeore ukuphucula ukusebenza kwemigodi kunye nomgangatho wentsimbi ekrwada. Ukongeza, i-phthalic anhydride isenokusetyenziswa njengesixhobo sokubulala izinambuzane kunye nezitshabalalisi, idlala indima ebalulekileyo ekuqinisekiseni ukukhula kwezityalo kunye nokwanda kwezivuno.

Kwimveliso yamashishini, i-phthalic anhydride isetyenziswa kakhulu njenge-solvent kunye ne-extractant. Ngenxa yeqondo eliphantsi lokubilisa kunye nokunyibilika okuphezulu, i-phthalic anhydride isetyenziswa kakhulu kwi-petroleum refining kunye ne-petrochemical industry as a cracking material ekrwada. Ngexesha elifanayo, linokusetyenziswa njenge-reagent yohlalutyo lwe-chromatographic kunye ne-extractant yeziqholo, njl., Ukubonelela ngeendlela ezisebenzayo zokuhlalutya kweekhemikhali kunye nokukhutshwa kweziqholo.

Ukongeza, i-phthalic anhydride ingasetyenziselwa ukulungisa i-vanillin, inqume iswekile yomchamo, ukulungiselela iindidi ze-synergists kunye ne-antifreeze, njl. Kwimveliso yerabha kunye neplastiki, i-phthalic anhydride ingasetyenziswa njengezongezo zerabha kunye neplastiki yokuphucula ukusebenza kwemveliso kunye nomgangatho.