Nyob rau hauv formulation ntawm profile, lub lubricant siv yog txawv vim txawv ruaj khov systems.Nyob rau hauv cov hmoov lead ntsev stabilization system, stearic acid, glyceryl stearate thiab polyethylene wax tuaj yeem xaiv los ua cov roj nplua nyeem;nyob rau hauv lub non-toxic calcium zinc composite stabilization system thiab tsis tshua muaj ntiaj teb composite stabilization system, stearic acid, butyl stearate, paraffin, pe wax thiab calcium stearate tuaj yeem xaiv los ua cov roj nplua nyeem;nyob rau hauv cov organic tin formula, calcium stearate, paraffin, oxidized polyethylene ciab tuaj yeem xaiv ua cov roj nplua nyeem.Cov yam ntxwv tseem ceeb ntawm cov roj lubricants yog raws li hauv qab no:

(1) Calcium stearate
Cov hmoov dawb, melting point 148-155 ℃, tsis muaj tshuaj lom, zoo heev lubrication thiab processability, tsis muaj sulfide kuab paug, siv ua ke nrog cov hmoov lead ntsev thiab lead xab npum, tuaj yeem txhim kho cov gel ceev, thiab qhov ntau npaum li cas yog 0.1-0.4PHR.
(2) Polyethylene wax
Dawb hmoov, softening point yog hais txog 100-117 ℃.Vim nws qhov hnyav molecular hnyav, siab melting point thiab tsawg volatility, nws kuj qhia pom tseeb lubricating nyhuv ntawm kub thiab shear npaum li cas.Nws yog tsim rau nruj PVC ib leeg thiab ntxaib ntsia hlau extrusion, nrog rau cov nqi ntawm 0.1-0.5PHR.
(3) Oxidized polyethylene ciab
Dawb los yog daj hmoov los yog particle, oxidized polyethylene wax tseem tsis sib haum nrog PVC, txawm hais tias nws muaj ib tug me me ntawm cov polar pawg, tab sis lub lubrication efficiency yog siab, uas yuav txhim kho lub lubrication ntawm polymer thiab hlau, txhim kho cov extrusion efficiency, txhim kho lub lubrication. dispersion ntawm colorants, thiab muab cov khoom zoo transparency thiab luster.Dosage 0.1-0.5PHR.

(4) Stearic acid
Dawb los yog daj daj, melting point 70-71 ℃.Nws volatilizes maj mam ntawm 90-100 ℃.Nws yog siv los ua cov roj nplaum sab nraud hauv kev ua cov tawv PVC.Tus nqi feem ntau yog 0.2-0.5PHR, thiab nws muaj cov nyhuv ntawm kev tiv thaiv chromatography scaling, tab sis nws yog ib qho yooj yim los tsuag Frost yog tias tus nqi ntau dhau.

(5) Paraffin ciab
Melting point 57-63 ℃, tsis muaj polar pawg, yog ib tug raug lwm lubricant.Vim nws cov ntsiab lus melting tsawg, yooj yim evaporation, thiab tsawg yaj viscosity, nws tsuas tuaj yeem ua lub luag haujlwm lubricating hauv qhov nqaim.Nws yog tsim rau extrusion los ntawm ib leeg thiab ntxaib ntsia hlau extruders, nrog ib tug dav npaum li cas ntawm 0.1-0.8PHR.Cov khoom no muaj cov pob tshab tsis zoo thiab yooj yim tig dawb.
Hauv kev xyaum, nws pom tias thaum siv ob lossis ntau lub roj nplua nyeem ua ke, lawv muaj qhov sib txawv dua li thaum lawv siv ib leeg.Hauv kev tsim cov ntaub ntawv profile, feem ntau ntawm lawv yog tov.Qhov kev sib txuam thiab cov yam ntxwv ntawm cov roj nplua nyeem tau sau tseg raws li hauv qab no:
(1) Calcium stearate - Paraffin (polyethylene wax) lubrication system
Kev siv cov calcium stearate ib leeg hauv cov mis tuaj yeem ua kom lub plasticization, txhim kho cov yaj viscosity, nce lub zog, thiab muaj qee yam demoulding nyhuv.Kev siv cov tshuaj paraffin ib leeg qhia tau hais tias qeeb plasticization, txo torque, thiab tsis muaj kev cuam tshuam demoulding.Thaum calcium stearate thiab paraffin wax (polyethylene wax) sib xyaw rau hauv ib qho kev faib ua feem, nws qhia tau hais tias muaj txiaj ntsig zoo, thiab tus nqi torque ntawm cov khoom tuaj yeem txo tau ntau.Qhov no yog vim hais tias paraffin nkag mus rau hauv cov calcium stearate molecules, ntxiv dag zog rau lub lubrication, qhia ib tug muaj zog synergistic nyhuv, thiab txhim kho cov dispersion ntawm lubricant.

(2) Stearic acid - Paraffin (polyethylene wax) lubricating system
Lub tshuab yog tib yam li cov calcium stearate - Paraffin (polyethylene wax) system, uas tuaj yeem txhim kho cov thermal stability ntawm cov mis, txo qhov shrinkage, txhim kho fluidity, thiab pab txhawb demoulding.
(3) Oxidized polyethylene wax - esters - calcium stearate
Thaum polyethylene wax, ester thiab calcium stearate siv ua ke, lub sij hawm plasticizing yog pom tseeb ntev nrog qhov nce ntawm polyethylene wax, thaum oxidized polyethylene wax, paraffin wax, ester thiab calcium stearate siv ua ke, lub sij hawm plasticizing yog nce ua ntej thiab Tom qab ntawd txo qis nrog qhov nce ntawm oxidized polyethylene wax tus nqi, uas qhia tau tias muaj txiaj ntsig zoo.
Hauv kev xaus, thaum kawm cov qauv PVC profile, nws yog ib qho tsim nyog yuav tsum nkag siab tsis tsuas yog cov yam ntxwv thiab kev ua haujlwm ntawm txhua lub roj nplua nyeem, tab sis kuj muaj kev sib koom ua ke ntawm lawv.Tsis tas li ntawd, cov qauv PVC profile yuav tsum tau kho thiab hloov raws li qhov sib txawv ntawm cov khoom siv thiab pwm.
Yog tias koj xav tau cov roj nplua nyeem tsim nyog, tuaj rau Qingdao Sainuo!
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.
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