Kubva pamaonero ezvakagadzirwa, Sinopec's o-xylene mutengo unoramba wakagadzikana panguva ino, nepo musika kuita kweindasitiri naphthalene, iyo mbishi ye naphthalene-based phthalic anhydride, haina kusimba uye mitengo inoramba ichidonha. Kudzikira kwemitengo yezvigadzirwa zvakanetesa kutsigirwa kwemutengo wephthalic anhydride, zvichipa nzvimbo yemutengo wenaphthalene-based phthalic anhydride kudonha.
Kubva pamaonero ekupa uye kudiwa, iyo ortho-phthalic anhydride indasitiri iri kushanda padanho repamusoro, uye kuwanikwa kwemusika kwakaringana, asi kudiwa kwepasi kwakaderera, izvo zvakakonzera kusaenzana kwakawedzera pakati pekupa uye kudiwa. Nekuda kwekusakwana kudiwa mumusika wekupedzisira, chiyero chekushanda chepasi pasi peplasticizer makambani ephthalic anhydride haasati adzoka zvakakwana kusvika padanho repamusoro gore Idzva risati rasvika, uye kushandiswa kwephthalic anhydride kushoma. Iyo yakanyanya kushanda mwero weiyo phthalic anhydride indasitiri yakonzera kuenderera kuunganidzwa kweiyo inventory pressure. Muchirevo chekuwandisa, mutengo wemusika wephthalic anhydride uri pasi pekumanikidzwa kudzika.
Kukanganiswa nekusaenzana pakati pekupa uye kudiwa uye kudzikira kwemitengo, musika manzwiro ephthalic anhydride aratidzawo kuwedzera kushushikana kweketani. Vatengesi nemakambani epasi vachiri kusava netariro nezvemusika weramangwana uye vane chido chekutenga chakaderera. Kuti udzivise njodzi, mamwe makambani anosarudza kudzikisa kutenga kana kunonoka kutenga zvirongwa, zvichiwedzera kuwedzera iyo bearish mamiriro mumusika.
Tichitarisa kumberi, kukanganiswa nekudonha kwakanyanya kwemutengo wezvigadzirwa zvemaindasitiri naphthalene, kutsigirwa kwemutengo wemusika wephthalic anhydride kwakadzikira, pamwe chete nemanzwiro akasimba ekumirira-uye-kuona mumusika, kudzikira kwemitengo munguva pfupi kwakakosha. Musiyano wemutengo wephthalic anhydride kubva ku ortho-naphthalene process inotarisirwa kuwedzera, uye kuramba kwekutengesa kwemusika kwakakura. Iyo musika wekupa divi ichiri kutarisana neimwe kudzvanywa, iyo inowedzera kudzvinyirira mutengo wephthalic anhydride. Panguva imwecheteyo, kudiwa kwemusika mukuru wepasi peplasticizer kunoramba kusina simba, zvichiita kuti zviome kuumba rubatsiro runoshanda kumusika, uye iyo counter-pressure effect inoramba isingachinji. Nekuchenjerera mafungiro eindastiri, mamiriro ekutengeserana emusika anogona kuramba achireruka. Pakati pese, nekuda kwehukuru hwezvakawanda zvakashata zvinhu senge kusakwana kwerutsigiro padivi remutengo, kushayiwa kusimba uye kuramba kwekutakura, zvinotarisirwa kuti pakati pesimba remusika wemumba phthalic anhydride musika ucharamba uchidzikira munguva pfupi, uye maitiro ese achanyanya kusimba.
Nguva yekutumira: Mar-20-2025