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Synthesis Nzira yeCarbon Nine Petroleum Resin

2022-10-26

Kupisa kwepolymerization yepetroleum resin kunowanzo kupisa chikamu chekabhoni chipfumbamwe kusvika pa260 ° C mu reactor. Kutanga, inoumba Diels-Alder yekuwedzera yepakati kubva kune maviri polymerizable mamorekuru,Petroleum Resin uye yobva yasangana neimwe polymerizable molecule.Petroleum Resin Gadzira maviri emahara radicals,Petroleum Resin uye wobva watanga polymerization. Thermal polymerization nzira ine maitiro akareruka uye goho rakakwirira, asi maitiro ekushisa akakwira, simba rekushandisa rakakura,Petroleum Resin coking iri nyore,Petroleum Resin ruvara rweresin yakagadzirwa yakasviba, uye giredhi rechigadzirwa rakaderera. Inongoshandiswa muindasitiri kugadzira yakasviba resin, Petroleum Resin uye zvigadzirwa zvayo zvinonyanya kushandiswa kuRubber inosimbisa agent, yekuwedzera kongiri.

Catalytic polymerization yepetroleum resins ndeye cationic yekuwedzera polymerization reaction, Petroleum Resin kunyanya kabhoni mapfumbamwe monomers pasi pechiito checatalyst kuumba kabhoni yakanaka ion inoshanda nzvimbo yekutanga ketani polymerization, nekudaro kubatanidza petroleum resins. Nzvimbo inoshanda inobatwa zvakanyanya nehuwandu hwekuparadzaniswa kweion pair. Kana iyo reaction medium uye solvent zvakasiyana, Petroleum Resin iyo inoshanda pakati inosiyanawo.Petroleum Resin Catalytic polymerization ndiyo yekutanga uye yakashandiswa zvakanyanya mukugadzirwa kwepetroleum resins.

Yemahara radical polymerization imhaka yekuvapo kwehuwandu hukuru hwema unsaturated bond (mapeya ega emaerekitironi) mune zvipfumbamwe-chikamu kabhoni molecule, Petroleum Resin iyo inoumba mahara radicals pasi pechiito chemutangi uye inotanga cheni polymerization. Mushure mekunge chigadzirwa chagadzirwa, Petroleum Resin yakasimba inhibitor inowedzerwa kumisa kuita. Iwo ekutanga anowanzo shandiswa mumahara radical polymerization yepetroleum resin maperoxide uye sodium fatty acids kana musanganiswa wavo. Huwandu uye reshiyo yevatangi vane simba rakakura pamhando yechigadzirwa. Musiyano wakakosha pakati pe cationic polymerization uye yemahara radical polymerization ndiyo yakasiyana hunhu hwekupera kweketani yekukura, Petroleum Resin ndiko kuti, dzakasiyana dzinoshanda nzvimbo. Kuita kwayo kukuru kuri muzvikamu zvinotevera:

Iyo yekukura ketani ye cationic polymerization inobhadhariswa; Petroleum Resin iyo yekukura ketani ye cationic polymerization uye iyo counter ion inogona kuoneka kubva pamusoro. Kuumbwa kwekabhoni pfumbamwe chikamu chakaoma, Petroleum Resin uye nzvimbo yekubikira yakakwira, izvo zvakaoma kunyatso patsanura. Iyo yakapfuma mune isina unsaturated olefins, Petroleum Resin inogadzira iyo kabhoni mapfumbamwe chikamu chakakodzera kugadzirwa. Raw zvinhu zve petroleum resin.

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