daim ntawv thov

PVC feem ntau yog siv rau hluav taws xob cable jacketing vim nws cov hluav taws xob zoo insulating zog thiab dielectric tas li.PVC feem ntau yog siv rau hauv qhov hluav taws xob tsawg (txog 10 KV), cov kab sib txuas lus, thiab cov khoom siv hluav taws xob.

Basic formulation rau zus tau tej cov PVC rwb thaiv tsev thiab lub tsho sib txuas rau hlau thiab cable feem ntau yog tsim los ntawm cov hauv qab no:

1. PVC
2. Plasticizer
3. Filler
4. Pigment
5. Stabilizers thiab co-stabilizers
6. Lubricants
7. Additives (nplaim retardants, UV-absorbers, thiab lwm yam)

Plasticizer xaiv

Plasticizers yeej ib txwm ntxiv rau cov xaim & cable rwb thaiv tsev thiab lub tsho sib txuas kom ua tau yooj yim thiab txo cov brittleness.Nws yog ib qho tseem ceeb uas cov yas siv tau muaj kev sib raug zoo nrog PVC, tsis tshua muaj volatility, zoo laus zog, thiab tsis muaj electrolyte.Tshaj li cov kev cai no, plasticizers raug xaiv nrog cov kev xav tau ntawm cov khoom tiav hauv siab.Piv txwv li, ib yam khoom uas npaj rau kev siv sab nraum zoov mus sij hawm ntev yuav xav tau cov yas yas uas muaj huab cua zoo dua li ib qho yuav xaiv rau cov khoom siv sab hauv tsev nkaus xwb.

Lub hom phiaj dav dav phthalate esters xws liDOP,DINP, thiabDIDPfeem ntau yog siv los ua cov plasticizers hauv cov hlau thiab cable formulations vim lawv qhov dav ntawm kev siv, zoo mechanical zog, thiab hluav taws xob zoo.TOTMyog suav hais tias tsim nyog rau qhov kub thiab txias tebchaw vim nws qis volatility.PVC compounds npaj rau kev siv kub tsawg yuav ua tau zoo dua nrog cov yas xws liDOAlos yogDOSuas khaws cia tsis kub hloov tau zoo dua.Epoxidized Soybean Roj (ESO)feem ntau yog siv los ua co-plasticizer thiab stabilizer, vim nws ntxiv kev txhim kho ntawm thermal thiab photo-stability thaum ua ke nrog Ca / Zn lossis Ba / Zn stabilizers.

Plasticizers nyob rau hauv cov hlau thiab cable kev lag luam feem ntau stabilized nrog ib tug phenolic antioxidant nyob rau hauv thiaj li yuav txhim kho kev laus zog.Bisphenol A yog ib hom stabilizer siv nyob rau hauv ntau ntawm 0.3 - 0.5% rau lub hom phiaj no.

Feem ntau siv Fillers

Fillers yog siv nyob rau hauv cov hlau & cable formulations los txo tus nqi ntawm cov compound thaum txhim kho hluav taws xob los yog lub cev khoom.Fillers tuaj yeem cuam tshuam zoo rau kev hloov pauv cua sov thiab thermal conductivity.Calcium Carbonate yog cov khoom siv ntau tshaj plaws rau lub hom phiaj no.Silica kuj tseem siv qee zaum.

Pigments nyob rau hauv Hlau thiab Cable

Pigments yog tau ntxiv los muab qhov txawv xim rau cov tebchaw.TiO 2feem ntau siv xim cab kuj.

Lubricants

Lubricants rau hlau thiab cable tuaj yeem yog sab nraud lossis sab hauv, thiab siv los pab txo cov PVC ua rau ntawm cov hlau kub ntawm cov khoom siv ua haujlwm.Plasticizers lawv tus kheej tuaj yeem ua raws li cov roj nplua nyeem sab hauv, nrog rau Calcium Stearate.Fatty alcohols, waxes, paraffin thiab PEGs tuaj yeem siv rau lubrication ntxiv.

Common Additives nyob rau hauv Hlau & Cable

Cov khoom siv ntxiv yog siv los qhia cov khoom tshwj xeeb uas yuav tsum tau siv rau qhov kawg ntawm cov khoom siv, piv txwv li, nplaim taws retardancy los yog tiv taus huab cua los ntawm lub hnub los yog microbes.nplaim retardancy yog ib qho kev xav tau rau cov hlau thiab cable formulations.Additives xws li ATO yog cov nplaim hluav taws zoo.Plasticizers siv xws li phosphoric esters kuj tseem tuaj yeem faib cov nplaim hluav taws.UV-absorbers tuaj yeem raug ntxiv rau kev siv sab nrauv los tiv thaiv huab cua los ntawm lub hnub.Carbon Black yog qhov zoo ntawm kev tiv thaiv lub teeb, tab sis tsuas yog tias koj ua cov xim dub lossis xim tsaus nti.Rau cov xim ci ntsa iab lossis pob tshab, UV-Absorbers raws li los yog Benzophenone tuaj yeem siv.Biocides yog ntxiv los tiv thaiv PVC tebchaw los ntawm degradation los ntawm fungus thiab microorganisms.OBPA (10′,10′-0xybisphenoazine) nquag siv rau lub hom phiaj no thiab tuaj yeem muas twb yaj hauv plasticizer.

Piv txwv Formulation

Hauv qab no yog ib qho piv txwv ntawm qhov pib pib yooj yim heev rau PVC hlau txheej formulation: