Mumunda wekugadzirwa kwemavara masterbatch, kuwedzera kweparafini wax uyePE wakisiinogona kuvandudza kuyerera kwepolymer zvinhu masisitimu.Nekuvandudza kunyorova uye kupararira kwe pigment uye zvimwe zvinowedzera, mashandiro ekugadzirisa anogona kuvandudzwa kusvika kune akasiyana madhigirii, ayo anobatsira pakuvandudza kugadzirwa kwakanaka uye kupenya kunooneka kwezvigadzirwa zvakaburitswa.Naizvozvo, mafekitari mazhinji anoshandisa wakisi yeparafini ine nzvimbo yekunyunguduka inosvika 60 ℃ se dispersant kana musanganiswa ne polyethylene wax kuwedzera kugadzirwa uye kuderedza mitengo.Iye zvino tinoona mutsauko wekuita pakati pezviviri kubva pamaonero ezvishandiso zvekushandisa mumavara masterbatch processing.

(1) Kushanda kwekupisa
Iyo lubricating dispersant inoshandiswa kune mavara masterbatches inofanirwa kukwanisa kumira tembiricha yekugadzirisa zvakanaka uye kuchengetedza zvinhu kugadzikana kwekupisa panguva yekugadzirwa kwemavara masterbatches uye kuumbwa kwezvigadzirwa zvemavara;Zvikasadaro, dispersant inoshandiswa kugadzira gasi kana kuora ichave nemhedzisiro yakaipa pakuita kwemavara masterbatch kana chigadzirwa.Iyo tembiricha yekugadzirisa yemavara masterbatches uye zvigadzirwa kazhinji iri pakati pe160-220 ℃.Isu takaitisa isothermal thermogravimetric miedzo pawakisi ye polyethyleneuye parafini wakisi ine nzvimbo yekunyunguduka inosvika 60 ℃.Mhedzisiro yakaratidza kuti pasi pe200 ℃, parafini wakisi yakasundira 9.57% yehuremu hwayo mukati memaminitsi mana, uye kurasikirwa nehuremu kwakasvika 20% mukati memaminitsi gumi.Kubva pamaonero ekudzivirira kupisa chete, polyethylene wakisi inogona kuratidza yakanakisa kupisa kupisa, nepo parafini wakisi yakaoma kuvimbisa.Naizvozvo, parafini wakisi haina kukodzera kushandiswa seruvara masterbatch dispersant.

(2) Kupararira kwekuita
Kuenzanisa uye kuona kupararira kwezvimiro zvepe wax uye parafini wax, matema masterbatches akagadzirwa aine akasiyana mazinga eaviri, uye nhete firimu dema bvunzo dzakaitwa.Muchikamu chekuwedzera che 0-7%, black masterbatch yakawedzera zvishoma nezvishoma ne 36.7% nekuwedzera kwe polyethylene wax content, zvichiratidza kuti iyo yakakwirira ye polyethylene wax, zviri nani kuparadzira kushanda kwe carbon black;Zvisineyi, muchiyero chekuwedzera chimwe chete, blackbatch yakadzikira ne19,9% nekuwedzera kweparafini, zvichiratidza kuti kana parafini yakakwira, ndiko kunowedzera kupararira kwecarbon black.
Izvi zvinodaro nekuti kana ichienzaniswa newakisi, parafini wax inonyanya kunyorova kabhoni dema, asi panguva imwecheteyo, inoderedza zvakanyanya viscosity yehurongwa.Iyo yakaderera viscosity inoderedza zvakanyanya kutapurirana kweshear simba uye inokanganisa kupararira.Carbon dema inoputirwa nepamusoro peparafini, ichigadzira hombe particle carbon black aggregates.Zviripachena, izvi zvinotadzisa kupararira zvinodarika zvakanyanya kushaya simba pakubatana kwezviunganidzwa.

Naizvozvo, kufananidzwa kwemhedzisiro yekuedza kunoratidza kuti polyethylene wakisi ine yakanaka yekuzora uye yekuparadzira mhedzisiro pane kabhoni dema, nepo muruvara masterbatch, iyo kabhoni dema yakawedzerwa neparafini wakisi ichanyanya kushata.
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