Kushandiswa kwepolyethylene wakisi muPVC

Mupfungwa nhete.wakisi ye polyethyleneiri yakaderera hama molecular uremu homopolymer polyethylene;Mupfungwa yakafara, wakisi yepolyethylene inosanganisirawo yakagadziridzwa polyethylene wakisi uye copolymerized.pe wax.Kazhinji, kana polyethylene polymer isingakwanisi kupa humwe simba uye kusimba seresin, uye haigoni kugadziriswa sechinhu chimwe chete kuita chigadzirwa chinozopedzisira chine basa rakati, tinogona kuiisa se polyethylene wax.

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Polyethylene wax inoshandiswa zvakanyanya mumapurasitiki seanoparadzira pigment, semafuta ePVC masanganiswa, seyekuyerera inogadzirisa uye inopindirana mune PE uye PP modifiers.
Zita rakazara rePVC ndiPVC.Iyo viscous inoyerera tembiricha iri padyo zvakanyanya neiyo tembiricha yekudzikira, saka zviri nyore kupinda nenzira dzakasiyana dzekuora panguva yekugadziriswa, zvichikonzera kurasikirwa kwekushandisa.
Naizvozvo, zvinosimbisa kupisa uye mafuta ekuzora anofanirwa kuwedzerwa pakuumbwa kwePVC musanganiswa, iyo yaimbove ichivandudza kugadzikana kwavo kwekupisa, iyo yekupedzisira inoderedza kupokana pakati pePVC molecular cheni, uye firimu rekuburitsa simba pakati pePVC inonyunguduka nesimbi, ichivandudza kuve nyore kwekugadzirisa PVC. muzvigadzirwa zvakasiyana-siyana.Polyethylene wakisi uye oxidized polyethylene wakisi akajairika mafuta muPVC.
Munguva yekugadziriswa kwePVC, hapana kunyungudika kwakachena, zvidimbu zvechipiri chete (100 μ Nezve m, zvinosanganisira zvidimbu zvepakutanga uye nodules) pasi pechiito chekupisa uye mashizha emagetsi, akaparadzaniswa kuita mabhora maduku (1 μ M kana zvakadaro), iyo maitiro emaglobules anokamura zvakare kuita manodule (100 nm).

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Iyi nzira inowanzonzi gel kana plasticization.Kuti uwane zvirinani zvemagetsi zvivakwa, zvivakwa zvepasi uye processability, dhigirii regel riri pakati pe70% ne85%.
Kusarudzwa kwakakodzera kwepolyethylene wax kunogona kunonoka kana kukurumidza kuita gel.Mushure mekunyunguduka, homopolymer polyethylene wax iripo pakati pezvimedu zvekutanga kana nodules, kuderedza kukweshera pakati pezvimedu zvekutanga kana nodules, nekudaro kuderedza kupisa kwekupisa kwekunyunguduka, kunonoka kugadzirwa kwePVC, nekuvandudza kugadzikana kwekupisa kwePVC.
Iyo oxidized polyethylene wakisi ine kumwe kuenderana nePVC, iyo inogona kubatanidza pamusoro pemapundu, kuwedzera kunyunguduka viscosity, uye kusimudzira zvishoma maitiro egel;
Rimwe basa rayo guru nderekugadzira firimu pamusoro pePVC yakanyunguduka uye simbi, kuderedza kupesana pakati pekunyunguduka nekugadzirisa michina.Iyo yakanaka yekuburitsa mumiriri muPVC kugadzirisa, kunyanya mune yakajeka PVC (organic tin stabilizer) mafirimu.Kuwedzera huwandu hwakakodzera hweoxidized polyethylene wakisi haina kungoita yakanaka yekuburitsa kuita, asi zvakare haideredze kujeka.
Parizvino, kuwedzera kune synthetic polyethylene wakisi uye oxidized polyethylene wakisi.Parafini wakisi, Fischer Tropsch wax, uye ne-chigadzirwa wakisi zvakare inoshandiswa zvakanyanya muPVC, uye zvakare inoda kuchinjika inofananidzwa zvinoenderana neterminal application.
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Semuyenzaniso, yakaderera kunyungudika parafini wakisi inogona kuita basa mukutanga mafuta, yepakati melting point polyethylene wakisi uye Fischer Tropsch wakisi inogona kuita basa mukuzora kwepakati, uye yakakwirira melting point oxidized polyethylene wakisi inogona kuita basa mukunonoka kuzora.
Mamwe mafuta ekuzora ane mashoma tembiricha anopikisa, akadai separafini uye fatty acid esters, anogaro isa pamisoro yefa yezvigadzirwa zveextrusion uye ma roller ekutonhorera emafirimu ekarenda.Izvi zvinhu zvinogona kuva nemhedzisiro yakaipa pamusoro pezvinhu zvekupedzisira zvigadzirwa, pamwe nenzvimbo yekushanda uye kugadzirwa kwevashandi vepanzvimbo.Uyezve, kuenderana kwemafuta ega ega muPVC kwakakwira zvakanyanya.Kana iyo composite lubricant package ikashandiswa, zvakasiyana zvikamu hazvigone kushivirira uye kuita pamwe chete, izvo zvinogona kutungamira nyore kumanikidza kunze.
Naizvozvo, kusarudza mafuta ekuzora ane hunhu hwakatsiga uye yakanaka tembiricha kuramba zvichibva pamashandisirwo echigadzirwa sekuti kudhinda nekupfapfaidza kuri kudiwa kwakakosha pakugadzirwa kwakatsetseka nekuvandudza kunaka kwechigadzirwa.
Kuti uwane rumwe ruzivo, ndapota tibvunze isu!
Qingdao Sainuo Chemical Co., Ltd.Isu tiri kugadzira PE wakisi, PP wakisi, OPE wakisi, EVA wakisi, PEMA, EBS, Zinc/Calcium Stearate….Zvigadzirwa zvedu zvakapfuura REACH, ROHS, PAHS, FDA yekuongorora.
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