Iwe unoshandisa polyethylene wakisi semafuta uye dispersant?

Mukugadzirwa kwe polyethylene, ishoma ye oligomer ichagadzirwa, kureva, yakaderera molecule uremu polyethylene, inozivikanwawo sepolymer wax, kana.wakisi ye polyethylenekwenguva pfupi.Wakisi yepolymer haina muchetura, isinganakidze, isingaore, chena kana kuti yero zvishoma ine huremu hwemamorekuru hunosvika 1800 ~ 8000. Inogona kugadzirwa kuita mabhuroko, maflakes nehupfu pazvinodiwa.Mukugadzirwa kwakajairwa, chikamu ichi chewakisi chinogona kuwedzerwa zvakananga ku polyolefin sechinhu chinowedzera, uye chine kutonhora kwakanyanya, kuramba kupisa, kuramba kwemakemikari uye kusapfeka.
Mukugadzirwa kwe polyethylene wax, kudzora tembiricha yekutsemuka uye nguva chinhu chakakosha kuve nechokwadi chezvivakwa uye kunaka kwekupwanya wakisi.Kuputika kwekushisa kwepamusoro kunoda kudarika 300 ℃.Kana kutonhora kwakanyanya kuderera, kusvibiswa kusina kukwana, cheni ye molecular haigoni kuputsika zvakakwana, uye chigadzirwa chemvura chinenge chisina kunaka, chisingakodzeri kune zvakasiyana-siyana zvekugadzirisa;Tembiricha yakakwira zvakanyanya, mashandisirwo emagetsi akakurisa, mutengo wekugadzira unowedzera, mvura inoyerera inokurumidza, nguva yekutonhora yakarebesa, uye kubuda kunokurumidza, izvo zviri nyore kukonzera kupisa uye tsaona.Mukuwedzera, iyo inoyerera inotenderera inotonhorera system inofanirwa kuve yakakwana.Kana iyo inotonhora mhedzisiro yeyuniti yakashata, iyo polyethylene wax inoratidzwa kune yakanyanya kupisa mumhepo, zviri nyore kuve oxidized, uye chigadzirwa chine grey.Iyo tembiricha yekuburitsa inofanira kudzorwa pasi pe800 ℃.

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Kushandiswa kwepolyethylene wax
1. Kushandiswa kwepe wax seanoparadzira
Polyethylene wakisi imhando yekuzora uye inoburitsa mumiririri ine yakanaka yekunze lubrication.Kuiwedzera kune rabha nemapurasitiki kunogona kuvandudza mashandiro ekugadzirisa, kunatsiridza kupenya kwepasi uye kupfeka kuramba kwezvigadzirwa, kunobatsira mukupararira kwemafirita uye pigment, uye zvakare inogona kushandiswa seyakagadzirwa zvinhu zvemavara epurasitiki masterbatch.
Kushandiswa kwepolyethylene wax muColor Masterbatch
Polyethylene wax inoshandiswa zvakanyanya muvara masterbatch processing.Chinangwa chekuwedzera polyethylene wakisi haisi yekungovandudza mashandiro eiyo color masterbatch system, asiwo kukurudzira kupararira kwepigment muvara masterbatch.Pigment dispersion yakakosha kune colorbatch masterbatch.Hunhu hweColor Masterbatch hunonyanya kuenderana nekupararira kwepigment.Pigment dispersing uye inobwinya masterbatch ine yakakwira coloring simba, yakanaka yemhando yemhando uye yakaderera mutengo.Polyethylene wakisi inogona kuvandudza kupararira kwe pigment kusvika pamwero wakati.Iyo inowanzopararira mukugadzirwa kwemavara masterbatch.

2. Kuiswa kwepolyethylene wakisi semafuta
Polyethylene wakisi imhando yekuzora uye inoburitsa mumiririri ine yakanaka yekunze lubrication.Kuiwedzera kune rabha nemapurasitiki kunogona kuvandudza kushanda zvakanaka uye gloss yepamusoro uye kupfeka kuramba kwezvigadzirwa.
Maitiro ekuita: basa rekuzora ndere kudzikisa kupokana pakati penzvimbo yekubata pakati pepolymer nekugadzira michina uye pakati pepolymerized mamorekuru cheni.Yekutanga inodaidzwa kunzi mafuta ekunze uye iyo yekupedzisira inodaidzwa kunzi internal lubricant.Iyo yemukati lubricant uye polymer zvine kumwe kuenderana.Pakupisa kwekamuri, kuwirirana kuduku, nepo pakupisa kwepamusoro, kuwirirana kunowedzera maererano.Muyero wekuiswa kwemafuta mupolymer une chekuita nekuenderana pakati pelubricant nepolymer, uye kuenderana kunoenderana nechimiro chemolecular ye lubricant uye hama yepolymer polarity.Internal lubrication yePVC, lubricant uye plasticizer inogona kutorwa sechinhu chimwe chete, asi polarity yegomba inotsvedza mumiririri yakaderera, uye kugarisana pakati pemafuta nePVC kwakadzikira pane kweplasticizer.Mamorekuru mashoma ekuzora anogona kupinda pakati pemamorekuru epolymer, achinetesa kukwezvana kwepolymer mamorekuru, zvichiita kuti zvive nyore kuti cheni dzepolymer dzitsvedze uye kutenderera pamwe chete panguva yekuchinja.

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Hunhu hukuru hwe lubricant ndeyekuti ine zvishoma kana kusawirirana nemapolymers.Muchigadziro chekugadzirisa, zviri nyore kuburitsa kubva kune zvakasanganiswa zvinhu pasi pekumanikidzwa uye kutamira kumusoro kana kunze kwekusangana pakati pezvinhu zvakasanganiswa uye kugadzirisa michina.Mafuta ekuzora mamorekuru anotariswa uye akarongwa, uye mapoka epolar anotarisana nesimbi pamusoro kuti aite lubricating molecular layer kuburikidza nemuviri adsorption kana kemikari bond.Nekuda kwesimba rakadzika rekubatana pakati pemafuta ekuzora, Naizvozvo, kupokana pakati pepolymer nepamusoro pemidziyo inogona kudzikiswa kuti irege kunamatira kune mechanic surface.Iyo viscosity yekuzora firimu uye kushanda kwayo kwemafuta kunoenderana nenzvimbo yekunyungudika uye kupisa tembiricha ye lubricant.Kazhinji, mafuta ekuzora ane marefu mamorekuru cheni ane yakakura lubrication maitiro.
Polyethylene wakisi yakanaka yemukati lubricant ye polyethylene uye polypropylene.Izvo hazvienderane zvachose ne polyethylene wax, saka inoita basa rekunze rekuzora kune imwe nhanho.Kune makuru majekiseni akaumbwa zvigadzirwa, wakisi haingogone kuvandudza fluidity mukugadzirisa, asi zvakare inovandudza zvakanyanya kupenya kwepasi uye kwezvakatipoteredza kusagadzikana kuputsa kuramba.Zvese zviri zviviri polyethylene nepolypropylene zvinofanirwa kunge zvine mafuta anosvika 2% uye kusaratidza shanduko mukushanda.Nezvekushandisa zvakare, inosvika 5% polyethylene wax inogona kuwedzerwa uye iyo melt index inogona kugadziridzwa kusvika padanho rinodiwa.
3. Kushandiswa kwewakisi yepolyethylene mune dzimwe nzvimbo
Polyethylene wakisi inoshandiswa neingi inogona kupa anti friction, anti scratch, anti adhesion uye kuchengetedza kupenya;Inogonawo kuchinja rheology yeinki uye kuvandudza hydrophilicity uye kudhinda kushanda;Polyethylene wakisi inonyanya kushandiswa kugadzira uye kuwedzera manzwi emaoko mupende.Wakisi yekupfekedza inonyanya kuwedzerwa muchimiro chekuwedzera.Yakanga yakashandiswa pakurwisa-kupararira kwekuita kwefirimu, kunyanya kusanganisira kuvandudza kutsetseka, kukwenya kuramba uye kusapinda kwemvura kwefirimu.
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