Lubricants yog qhov tseem ceeb additives hauv PVC ua.Rau cov roj nplua nyeem, feem ntau hais txog kev ua haujlwm hauv kev lag luam tuaj yeem muab sau ua ob lub ntsiab lus.Lawv yog: nws tuaj yeem txo qhov kev sib txhuam ntawm cov khoom thiab macromolecules hauv PVC yaj ua ntej melting;Txo qhov kev sib nrig sib txhuam ntawm PVC yaj thiab yas mechanical contact nto.Hauv tsab xov xwm niaj hnub no, cov chaw tsim khoom ntawm Sainuopolyethylene waxyuav coj koj los tshuaj xyuas cov lubrication sab hauv thiab sab nraud ntawm PVC lubricants los ntawm kev pom kev!

1. Internal lubrication
Lub lubrication sab hauv ntawm lubricants, nyob rau hauv cov nqe lus ntawm PVC, yuav xam tau tias yog tib yam ntawm cov khoom xws li plasticizers, ua si ib tug plasticizing los yog softening lub luag hauj lwm.Qhov txawv yog tias lubricants muaj qis polarity thiab ntev carbon chains, uas txo cov compatibility ntawm lubricants thiab polyvinyl chloride piv rau plasticizers.Vim tsis muaj kev sib raug zoo (thiab qee yam kev sib raug zoo) ntawm cov roj nplua nyeem thiab cov tshuaj polyvinyl chloride, tsuas yog ib qho me me ntawm cov roj ntsha molecules tuaj yeem nkag mus ntawm cov saw hlau molecular xws li plasticizers, ua rau tsis muaj zog ntawm kev sib txuas ntawm cov saw hlau molecular, thiab ua rau cov polymer deform, Molecular chains yog yooj yim dua rau zawv zawg thiab tig nrog ib leeg, thaum tsis txo qis iav hloov kub ntawm cov polymer.
2. Sab nraud lubrication
Sab nrauv lubrication hais txog lub interface lubrication mechanism.Lubricantsua raws li qhov chaw ntawm molten resin los yog rau saum npoo ntawm kev ua tshuab thiab pwm los tsim cov roj nplua nyeem molecular txheej.Vim muaj cov roj nplua nyeem molecular txheej, lub lubrication interface yog tsim, uas txo cov kev sib txhuam ntawm cov resin thiab lub tshuab ua.Lub viscosity ntawm lub lubrication interface zaj duab xis thiab nws cov lubrication efficiency nyob ntawm lub melting point thiab ua kub ntawm lub lubricant.Feem ntau hais lus, lubricants nrog ntev molecular carbon chains muaj lubrication zoo dua vim lawv muaj peev xwm khaws ob qhov chaw sib txhuam.

3. Yuav ua li cas yog tias PVC lubricant tsis siv zoo?
Cov kab lus 'me me, cov nyhuv zoo' piav qhia txog PVC lubricants.Lub luag hauj lwm ntawm PVC lubricants hauv PVC ua tsis muaj tsawg tshaj li ntawm stabilizers.Nws siv feem ntau ua raws li cov hauv paus ntsiab lus nruj, xws li sab hauv thiab sab nraud zawv zawg qhov sib npaug, qhov nruab nrab ntau npaum li cas, thiab lwm yam. Yog tias tsis muaj qhov tseem ceeb ntawm PVC lubricants thiab lawv deviate los ntawm cov hauv paus ntsiab lus uas yuav tsum tau ua raws li thaum siv, yuav ua li cas yog tias PVC lubricants. tsis siv zoo?
(1) Unbalanced sab hauv thiab sab nrauv lubrication
Cov zawv zawg sab nraud ntau dhau, txawm hais tias qhov extrusion ceev ceev, cov khoom siv tau yooj yim rau kev loj hlob thiab plasticization tsis zoo;Tshaj sab hauv zawv zawg, loj extrusion ntim, thiab cov khoom siv tsis zoo plasticization.Tsis zoo pib lubrication tuaj yeem ua rau extrusion torque ntau dhau.Lub lubrication tsis txaus nyob rau theem tom ntej tuaj yeem ua rau tsis txaus lubrication nyob rau hauv homogenization seem, compression seem, thiab tuag seem ntawm cov ntsia hlau, uas ua rau cov khoom hnyav shearing thiab cuam tshuam rau qhov zoo ntawm qhov chaw thiab kev ua haujlwm sab hauv ntawm cov khoom extruded.Hauv cov xwm txheej hnyav, nws tuaj yeem ua rau decomposition.

(2) Ntau dhau ntawm cov roj nplua nyeem siv
Lubricants tsis tas yuav zoo dua nrog cov nyiaj ntau dua.Vim tias qhov tsis sib xws ntawm cov roj nplua nyeem thiab PVC resin, ntau ntxiv ntawm cov roj nplua nyeem tuaj yeem muaj kev cuam tshuam tsis zoo rau PVC qhov system.Qhov sib npaug sab hauv thiab sab nraud ntawm lubrication tau hais nyob rau hauv ib qho kev txwv, vim tias cov roj nplua nyeem thiab polyvinyl chloride blend system muaj qhov tsis zoo.Hauv kev tsim khoom tiag tiag, ntau cov teeb meem kev ua haujlwm thiab cov teeb meem ntsig txog thermal stability, nrog rau ntau yam tsis xws luag hauv cov khoom, tej zaum yuav tshwm sim los ntawm kev siv roj ntau dhau.
Yog xav paub ntxiv, thov nrog peb tham!kev nug
Qingdao Sainuo Group.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.
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