Kev siv ntawm polyethylene wax hauv PVC

Hauv kev nkag siab nqaim,polyethylene waxyog tus txheeb ze molecular hnyav homopolymer polyethylene;Hauv kev nkag siab dav, polyethylene wax kuj suav nrog hloov kho polyethylene ciab thiab copolymerized.pe wax.Feem ntau, yog tias polyethylene polymer tsis tuaj yeem muab qee lub zog thiab tawv zoo li cov cob, thiab tsis tuaj yeem ua tiav raws li ib qho khoom siv rau hauv cov khoom uas thaum kawg muaj qee yam haujlwm, peb tuaj yeem faib nws li polyethylene wax.

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Polyethylene wax yog dav siv nyob rau hauv plastics raws li ib tug dispersant rau pigments, raws li ib tug lubricant rau PVC blends, raws li ib tug txaus modifier thiab compatibilizer nyob rau hauv PE thiab PP modifiers.
Lub npe tag nrho ntawm PVC yog PVC.Nws qhov kub thiab txias yog nyob ze rau qhov kub degradation, yog li nws yooj yim rau kev nkag mus rau ntau hom degradation thaum ua, ua rau poob ntawm kev siv tau.
Yog li ntawd, cov cua sov stabilizers thiab lubricants yuav tsum tau ntxiv rau cov qauv ntawm PVC blends, lub qub kev txhim kho lawv thermal stability, lub tom kawg txo cov kev sib txhuam ntawm PVC molecular chains, thiab zaj duab xis tso tawm quab yuam ntawm PVC yaj thiab hlau, txhim kho qhov yooj yim ntawm kev ua PVC. rau hauv ntau yam khoom.Polyethylene wax thiab oxidized polyethylene wax yog cov roj nplua nyeem hauv PVC.
Thaum lub sij hawm ua cov PVC, tsis muaj ntshiab yaj, tsuas yog lwm yam hais (100 μM txog m, muaj cov thawj hais thiab nodules) nyob rau hauv qhov kev txiav txim ntawm tshav kub thiab mechanical shear, faib ua me me (1 μ M los yog li ntawd), lub txheej txheem ntawm globules faib dua rau hauv nodules (100 nm).

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Cov txheej txheem no feem ntau hu ua gel lossis plasticization.Txhawm rau kom ua tiav cov khoom siv kho tshuab zoo dua, cov khoom nto thiab cov txheej txheem, cov qib ntawm gel yog nyob nruab nrab ntawm 70% thiab 85%.
Kev xaiv kom zoo ntawm polyethylene wax tuaj yeem ncua lossis ua kom cov txheej txheem gel.Tom qab melting, homopolymer polyethylene wax muaj nyob nruab nrab ntawm cov thawj hais los yog nodules, txo cov kev sib txhuam ntawm cov thawj hais los yog nodules, thiaj li yuav txo tau cov kev sib txhuam kub tsim ntawm yaj, ncua lub plasticization ntawm PVC, thiab kev txhim kho thermal stability ntawm PVC.
Cov oxidized polyethylene wax muaj ib qho kev sib raug zoo nrog PVC, uas tuaj yeem txuas mus rau saum npoo ntawm nodules, ua kom cov viscosity yaj, thiab me ntsis txhawb cov gel cwj pwm;
Nws lwm txoj haujlwm tseem ceeb yog tsim cov yeeb yaj kiab rau ntawm qhov chaw ntawm PVC yaj thiab hlau, txo cov kev sib txhuam ntawm cov yaj thiab cov khoom siv ua haujlwm.Nws yog ib tug zoo tso tus neeg sawv cev nyob rau hauv PVC ua, tshwj xeeb tshaj yog nyob rau hauv pob tshab PVC (organic tin stabilizer) films.Ntxiv qhov tsim nyog ntawm oxidized polyethylene wax tsis tsuas yog muaj kev tso tawm zoo, tab sis kuj tsis txo qhov pom tseeb.
Tam sim no, ntxiv rau hluavtaws polyethylene wax thiab oxidized polyethylene ciab.Paraffin wax, Fischer Tropsch wax, thiab by-product wax kuj tau siv dav hauv PVC, thiab lawv kuj yuav tsum tau hloov pauv raws li cov ntawv thov davhlau ya nyob twg.
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Piv txwv li, tsis tshua muaj melting point paraffin wax tuaj yeem ua lub luag haujlwm hauv lubrication thaum ntxov, nruab nrab melting point polyethylene wax thiab Fischer Tropsch wax tuaj yeem ua lub luag haujlwm hauv nruab nrab lubrication, thiab siab melting point oxidized polyethylene wax tuaj yeem ua lub luag haujlwm hauv lubrication lig.
Qee cov roj nplua nyeem uas tsis muaj qhov kub thiab txias, xws li paraffin thiab fatty acid esters, yog nquag tso rau ntawm lub taub hau tuag ntawm cov khoom extrusion thiab cov cua txias ntawm calendering films.Cov tshuaj no tuaj yeem ua rau muaj kev cuam tshuam tsis zoo rau lub ntsej muag ntawm cov khoom kawg, nrog rau qhov chaw ua haujlwm thiab kev tsim cov neeg ua haujlwm ntawm qhov chaw.Ntxiv mus, kev sib raug zoo ntawm ib lub roj nplua nyeem hauv PVC yog siab heev.Yog tias siv cov pob zeb sib xyaw ua ke, ntau yam khoom siv tsis tuaj yeem zam thiab ua rau ib leeg, uas tuaj yeem ua rau lub siab tawm.
Yog li ntawd, xaiv cov roj nplua nyeem uas muaj qhov ruaj khov thiab zoo kub ua haujlwm raws li cov khoom siv xws li kev luam ntawv thiab tshuaj tsuag yog qhov tseem ceeb heev rau kev tsim khoom zoo thiab txhim kho cov khoom zoo.
Yog xav paub ntxiv, thov nrog peb tham!
Qingdao Sainuo Chemical Co., Ltd.Peb yog cov chaw tsim khoom rau PE ciab, PP ciab, OPE ciab, EVA ciab, PEMA, EBS, Zinc / Calcium Stearate ....Peb cov khoom tau dhau REACH, ROHS, PAHS, FDA kuaj.
Sainuo so assured ciab, txais tos koj nug!
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Post lub sij hawm: Mar-20-2023
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