Phenol raw material

Phenolikemikari inosiyana-siyana ine huwandu hwakawanda hwekushandisa muindasitiri nekutsvaga.Kugadzirira kwayo kwekutengeserana kunosanganisira maitiro akawanda-matanho anotanga neiyo oxidation ye cyclohexane.Muchiitiko ichi, cyclohexane inosanganiswa mumutsara wepakati, kusanganisira cyclohexanol uye cyclohexanone, iyo inobva yashandurwa kuita phenol.Ngationgororei zvakadzama nezvemaitiro aya. 

 

Kugadzirira kwekutengeserana kwe phenol kunotanga ne oxidation ye cyclohexane.Kuita uku kunoitwa pamberi peiyo oxidizing agent, senge mweya kana oxygen yakachena, uye inokonzeresa.Iyo catalyst inoshandiswa mukuita uku kazhinji musanganiswa wesimbi yekuchinja, senge cobalt, manganese, uye bromine.Mhedzisiro yacho inoitwa pane tembiricha dzakakwirira uye kumanikidzwa, kazhinji kubva pa600 kusvika 900.°C uye 10 kusvika 200 atmospheres, zvichiteerana.

 

Iyo oxidation ye cyclohexane inoguma mukuumbwa kweakatevedzana epakati, kusanganisira cyclohexanol uye cyclohexanone.Aya epakati anozoshandurwa kuita phenol mune inotevera nhanho yekuita.Kuita uku kunoitwa pamberi peiyo acid catalyst, senge sulfuric acid kana hydrochloric acid.Iyo acid catalyst inokurudzira kupera simba kwe cyclohexanol uye cyclohexanone, zvichiita kuti pave nekuumbwa kwe phenol nemvura.

 

Mhedzisiro ye phenol inobva yacheneswa ne distillation uye mamwe maitiro ekuchenesa kubvisa tsvina uye zvimwe zvigadzirwa.Nzira yekuchenesa inovimbisa kuti chigadzirwa chekupedzisira chinosangana nezvinodiwa zvekuchena kune zvakasiyana-siyana zvekushandisa.

 

Phenol inoshandiswa mumhando dzakasiyana-siyana dzekushandisa, kusanganisira kugadzirwa kwepolycarbonates, Bisphenol A (BPA), phenolic resins, uye mamwe makomisheni akasiyana.Polycarbonates anoshandiswa zvakanyanya mukugadzirwa kwemidziyo yepurasitiki, lenzi, uye zvimwe zvinhu zvemaziso nekuda kwekujeka kwazvo uye kuramba kukanganiswa.BPA inoshandiswa mukugadzira epoxy resins uye zvimwe zvinonamira, machira, uye macomposites.Phenolic resins inoshandiswa mukugadzirwa kwezvinonamira, machira, uye macomposites nekuda kwekunyanya kupikisa kupisa nemakemikari.

 

Mukupedzisa, kugadzirira kwekutengeserana kwe phenol kunosanganisira oxidation ye cyclohexane, inoteverwa nekushandurwa kwepakati mu phenol uye kucheneswa kwechigadzirwa chekupedzisira.Iyo phenol inoguma inoshandiswa mumhando dzakasiyana-siyana dzekushandisa, kusanganisira kugadzirwa kwemidziyo yepurasitiki, zvinonamira, machira, uye macomposites.


Nguva yekutumira: Zvita-11-2023