Sera ya polyethylene imatanthawuza kutsika kwa maselo olemera a polyethylene omwe ali ndi kulemera kwa maselo osakwana 10000, nthawi zambiri amakhala ndi kulemera kwa maselo kuyambira 1000 mpaka 8000. Sera ili ndi katundu wabwino kwambiri ndipo imagwiritsidwa ntchito kwambiri mu inki, zokutira, kukonza labala, mapepala, nsalu, zodzoladzola ndi zina. minda.

polyethylene sera imakhala ndi kukhazikika kwa mankhwala, makina abwino kwambiri, mphamvu zamagetsi, dispersibility, fluidity ndi demoulding. Ili ndi mfundo yofewa kwambiri, kukhuthala kochepa kosungunuka, kuuma kwakukulu komanso kukana kwabwino kovala. Monga dispersant wa masterbatches osiyanasiyana, wothandizila demoulding kwa polyolefin processing, lubricant kwa polychlorethylene processing pulasitiki, chimagwiritsidwa ntchito ambiri processing pulasitiki. Chifukwa cha kukhazikitsidwa kwa magulu a polar, mphamvu zakuthupi za sera ya polyethylene yosinthidwa ndi mankhwala zakhala zikuyenda bwino, kotero kuti gawo lape peyi liwonjezeredwa ku mapulasitiki a uinjiniya omwe ali ndi zofunikira zapamwamba komanso chitukuko chofulumira.
Mu ndondomeko ya pulasitiki processing, polyethylene sera angagwiritsidwe ntchito ngati dispersant a masterbatches osiyanasiyana, processing lubricant mapulasitiki osiyanasiyana ndi comptibilizer nkhuni pulasitiki nsanganizo. Ndiwothandizira wamba mumakampani opanga mapulasitiki.
Masterbatch dispersant
Ndi kukula kwa makampani pulasitiki, makampani processing pulasitiki kwambiri amakonda kugwiritsa ntchito masterbatches osiyanasiyana zinchito ndi ntchito yabwino kuchepetsa mtengo wa zopangira ndi ndondomeko ndalama, kupititsa patsogolo kupanga Mwachangu, ndi endow mankhwala pulasitiki ndi katundu zosiyanasiyana kuti. kukwaniritsa zosowa zosiyanasiyana za msika.
Pulasitiki masterbatch makamaka imaphatikizapo kudzaza masterbatch, lubricating masterbatch, transparent masterbatch, pearlescent masterbatch, color masterbatch ndi antistatic masterbatch. Pulasitiki masterbatch imakonzedwa ndikuwonjezera zowonjezera pulasitiki kuposa kuchuluka kwanthawi zonse mu utomoni wonyamulira. Choncho, masterbatch akhoza mwachindunji anawonjezera pamene kupanga mankhwala pulasitiki.
Sera ya polyethylene itha kugwiritsidwa ntchito ngati dissperant of colorbatch of thermoplastic resins osiyanasiyana komanso mafuta opaka mafuta odzaza masterbatch ndi degradation masterbatch. Sera ya polyethylene imagwirizana bwino ndi mapulasitiki, kukana kutentha kwabwino, kusakaniza kwabwino komanso kuphwanya kosavuta, ndipo sikukhudza magwiridwe antchito azinthu zomaliza; Ikhoza kulowa, kubalalitsa ndi kukhazikika tinthu ta filler kapena pigment.

Mafuta
Mafuta omwe amagwiritsidwa ntchito pokonza pulasitiki ndikuwongolera kusungunuka ndi kutulutsa mapulasitiki, makamaka thermoplastics, panthawi yokonza ndi kuumba. Ntchito yaikulu ya lubricant ndi kuchepetsa mikangano pakati pa zipangizo pulasitiki ndi processing makina ndi pakati zipangizo pulasitiki ndi mamolekyu mkati mu processing ndondomeko, kuti patsogolo processing ntchito mapulasitiki ndi kusintha ntchito mankhwala. The mamasukidwe akayendedwe a polyethylene sera ndi otsika kwambiri kuposa njira pulasitiki. Itha kugwiritsidwa ntchito ngati pulasitiki yosungunula index. Chifukwa cha kukhazikika kwake kwamafuta, kusinthasintha kochepa pa kutentha kwakukulu komanso kubalalitsidwa kwabwino, kumatha kupititsa patsogolo kusinthika kwa pulasitiki ndikuwongolera magwiridwe antchito apulasitiki.
Malinga ndi machitidwe a mafuta opangira pulasitiki ndi kuumba, mafuta amagawidwa m'magulu amkati ndi mafuta akunja. Mafuta amkati amakhala ndi kuyanjana kwina ndi polima, ndipo ntchito yake yopaka mafuta ndiyofunikira kuchepetsa mikangano pakati pa mamolekyu a polima kapena kuchepetsa mphamvu pakati pa mamolekyu a polar polima. Kunja mafuta makamaka amachepetsa mkangano pakati polima ndi processing makina, amene angathe kusintha operability yaitali, dimensional bata, kupewa makulitsidwe ndi kuonjezera kupanga mphamvu. Pali mitundu yambiri yamafuta. Mafuta ambiri ali ndi ntchito zokometsera mkati ndi kunja. Chimene chimakhala ndi mphamvu yothira mafuta chimatchedwa mafuta akunja ndipo chomwe chili ndi mphamvu zopangira mafuta mkati chimatchedwa mafuta amkati.
Mafuta odzola amagwiritsidwa ntchito kwambiri. Mafuta ena amagwiritsidwa ntchito pokonza PVC yolimba, polyolefin, polystyrene, ABS, phenolic resin, melamine resin, cellulose acetate, polyester unsaturated, polyamide ndi labala. Komabe, ntchito yayikulu yamafuta akadali mu PVC yolimba, kotero anthu nthawi zambiri amangoyang'ana PVC yolimba powunika momwe mafutawo amagwirira ntchito.
PVC lubricant
PVC utomoni ali katundu kwambiri thupi ndipo akhoza kupangidwa okhwima ndi kusinthasintha mankhwala. ndondomeko zikuphatikizapo extrusion, ❖ kuyanika, jekeseni, kuwombera akamaumba, calendering, etc. Products monga mapaipi, mbiri, mapepala, dzenje mankhwala, waya ndi chingwe m'chimake, etc. PVC utomoni ali osauka matenthedwe bata, choncho m'pofunika kuwonjezera kutentha stabilizer ndi lubricant pa processing. Mafuta amatha kulepheretsa utomoni kukhala mu extruder kapena kuchititsa kuwonongeka kwa utomoni chifukwa cha kutenthedwa kwapafupi, ndikupanga utomoniwo kukhala wosavuta kupanga. Mbiri ya pulasitiki ya PVC imagwiritsidwa ntchito kwambiri ngati mbiri yokongoletsera m'nyumba, kumanga madzi ndi mapaipi otulutsa madzi ndi zitseko ndi mazenera apulasitiki. Mbiri ya pulasitiki imapangidwa ndi PVC ndi mitundu yopitilira khumi ya zowonjezera za pulasitiki pophatikiza kusinthidwa ndi kutulutsa, ndipo mafuta ndi chinthu chofunikira chowonjezera.

PVC utomoni ali katundu kwambiri thupi ndipo akhoza kupangidwa okhwima ndi kusinthasintha mankhwala. ndondomeko zikuphatikizapo extrusion, ❖ kuyanika, jekeseni, kuwombera akamaumba, calendering, etc. Products monga mapaipi, mbiri, mapepala, dzenje mankhwala, waya ndi chingwe m'chimake, etc. PVC utomoni ali osauka matenthedwe bata, choncho m'pofunika kuwonjezera kutentha stabilizer ndi lubricant pa processing. Mafuta amatha kulepheretsa utomoni kukhala mu extruder kapena kuchititsa kuwonongeka kwa utomoni chifukwa cha kutenthedwa kwapafupi, ndikupanga utomoniwo kukhala wosavuta kupanga. Mbiri ya pulasitiki ya PVC imagwiritsidwa ntchito kwambiri ngati mbiri yokongoletsera m'nyumba, kumanga madzi ndi mapaipi otulutsa madzi ndi zitseko ndi mazenera apulasitiki. Mbiri ya pulasitiki imapangidwa ndi PVC ndi mitundu yopitilira khumi ya zowonjezera za pulasitiki pophatikiza kusinthidwa ndi kutulutsa, ndipo mafuta ndi chinthu chofunikira chowonjezera.
Sera ya polyethylene imagwiritsidwa ntchito kwambiri popaka mafuta akunja ndipo imakhala ndi mphamvu yakunja yakunja. Lilinso ndi lubricity wabwino pakati ndi kenako magawo akamaumba processing. Itha kuwonedwa ngati mafuta opaka pakati komanso pambuyo pake. Ndizoyenera kupanga zinthu zokhala ndi magawo ovuta. Itha kugwiritsidwa ntchito mu dongosolo lokhazikika la mchere wotsogolera, calcium yopanda poizoni ndi zinc kompositi yokhazikika komanso dongosolo losakhazikika lapadziko lapansi. Mwachitsanzo, SN9010W ndi SN9079W ya Qingdao Sainuo ali ndi mafuta abwino kwambiri. Iwo ntchito mitundu yosiyanasiyana ya PVC processing njira, makamaka PVC calendering ndi extrusion njira, amene kwambiri kusintha plasticization wa PVC ndi kusintha mphamvu mawotchi mankhwala; Amagwiritsidwa ntchito pokonza zinthu zolimba zotentha kwambiri ndipo ali ndi anti viscosity komanso anti srching properties. Sera yokhala ndi okosijeni imagwiritsidwa ntchito makamaka ngati mafuta akunja opangira zolimba komanso zofewa za PVC. Zitha kusintha makokedwe, kuchepetsa mpweya wa organotin ndi kutsogolera mchere khola dongosolo, ndi mkulu kwambiri kunja kondomu ndi zotsatira demoulding, ndipo sizimakhudza Vicat matenthedwe kusintha kutentha ndi mphamvu mphamvu ya mankhwala.
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