Me whaka-waikura mua ngā waea mata e hangai ana ki te PAN, me whaka-waro i te pāmahana iti, me whaka-waro i te pāmahana teitei kia puta ai.muka waro, kātahi ka whakakāwhatatia hei hanga muka kāwhata. Ka eke te pāmahana mai i te 200℃ ki te 2000-3000℃, ka puta he tauhohenga rerekē, ka hanga hanganga rerekē, ā, he rerekē ngā āhuatanga o ēnei.
1. Wāhanga whakapūkara:Te whakapūngao-mua i te wāhanga pāmahana iti, te whakapūngao waro i te wāhanga pāmahana teitei
Ka puta te arylation mua-waikura, tata ki te 100 meneti te roa, ko te pāmahana o te 200-300 ℃, ko te kaupapa he hanga i te mekameka macromolecular raina thermoplastic PAN ki roto i te hanganga trapezoidal kore-kirihou ātete-wera, ko te tauhohenga matua mō te mekameka macromolecular o te cyclization me te hononga whakawhiti intermolecular, me te tauhohenga pyrolysis me te tukunga o te maha o ngā ngota iti. Ko te taupū arylation he 40-60%.
Te pāmahana whakawaro pāmahana itiKo te tikanga he 300-800 ℃ te pāmahana, ko te nuinga o te tauhohenga pakaru wera, ko te nuinga he whakamahi i te whakamahana waea oumu hiko pāmahana teitei, he nui te hau putanga me te uku e puta mai ana i te atamira.
Ngā Āhuatanga: Ka pōuri ake te tae o te muka kua whakapūkaratia i mua, he mangu te nuinga, engari ka mau tonu te āhua o te muka, kua pāngia te hanganga o roto e ētahi huringa matū, kua hangaia he maha o ngā rōpū mahi kei roto te hāora me te hanganga honohono, e whakatakoto ana i te turanga mō te whakapūkara waro i muri mai.
2. Wāhanga whakapūngao waro (mahana-teitei), ko te whakahāngaitanga o mua o te matū i roto i te hau kore mahi i te pāmahana tiketike, ka tangohia atu i tua atu i ngā ngota waro hetero (pēnei i te hāora, te hauwai, te hauota, me ētahi atu), kia āta whakahāngaitia ai te waro, ka hangaia he hanganga waro kore āhua, he hanganga waro moroiti rānei. He taahiraa matua tēnei tukanga i roto i te hanganga o te anga waro. Ko te pāmahana i te nuinga o te wā kei waenga i te 1000-1800 ℃, ko te nuinga o te tauhohenga whakamahana wera, ko te nuinga o ngā whakamahana karāhe e whakamahia ana mō te whakamahana.
Ngā Āhuatanga: Ko te wāhanga matua o te rauemi waro he waro, ko te hanganga he waro kore-āhua, he hanganga karāhe pōrearea rānei, ā, ki te whakaritea ki te hua mua-waikura, he nui ake te pikinga o tōna kawe hiko me ōna āhuatanga hangarau.
3. Te whakairoiroHe maimoatanga wera anō tēnei o ngā hua whakapūnga waro i ngā pāmahana teitei hei whakatairanga i te hanganga o te waro kore āhua, te waro moroiti rānei ki tētahi hanganga karaihe karāhe pai ake te raupapa. Mā te mahi a te pāmahana teitei, ka whakaritea anō ngā ngota waro hei hanga i tētahi hanganga paparanga whatu hexagonal me te taumata teitei o te whakatakotoranga, ā, ka whakapai ake i te kawe hiko me te wera me te kaha ā-pūkaha o te rauemi.
Ngā Āhuatanga: He hanganga karāpiti tino tioata te hua kua whakakāwhatia, e whakarato ana i te kawe hiko me te kawe wera tino pai, me te kaha motuhake teitei me te modulus motuhake. Hei tauira, he modulus teiteimuka waroka whiwhihia mā te whakakāwhata teitei.
Ngā mahi motuhake me ngā whakaritenga taputapu mō te whakapūngao-mua, te whakapūngao waro me te whakakāwhata:
Te whakahāora-mua: ka mahia i roto i te hau i te pāmahana whakahaeretia o te 200-300°C. Me pēhi te taumahatanga hei whakaiti i te mimiti o te muka.
Te whakawaro: ka mahia i roto i te āhuarangi kore mahi me te piki haere āta o te pāmahana ki te 1000-2000°C.
Te whakakāwhatu: ka mahia i ngā pāmahana teitei ake (2000-3000°C), i roto i te korehau, i te āhuarangi kore mahi rānei.
Wā tuku: Mei-22-2025
