PVC CIATERILIZERSyog cov ntxiv siv los txhim kho lub thermal stability ntawm polyvinyl chloride (PVC) thiab nws cov copolymers. Rau PVC plastics, yog tias ua kev ua kub ntau dua 160 ℃, thermal decomposition yuav tshwm sim thiab HCL roj yuav raug tsim tawm. Yog tias tsis suppressed, no thermal decomposition yuav txuas ntxiv aggrated, cuam tshuam txoj kev loj hlob thiab kev siv ntawm pvc plastics.
Cov kev tshawb fawb pom tau tias yog hais tias PVC Plastics muaj cov tshuaj yej ua txhuas me, thiab lwm yam kev ua haujlwm tsis sib haum, thiab cov ntawv thov tsis kam lees thiab, nws cov kev ua haujlwm uas tsis muaj txiaj ntsig, thiab cov ntawv thov tsis kam lees thiab, nws cov kev ua tiav thiab, nws cov kev ua haujlwm uas tsis muaj peev xwm ua tau, thiab, nws cov kev ua yeeb yam thiab, nws cov kev ua haujlwm uas tsis tuaj yeem raug txo qis rau qee yam. Cov kev tshawb fawb no txhawb txoj kev tsim thiab txuas ntxiv kev tsim kho ntawm PVC Stabilizers.
Hom ib qho tib si stabilizers suav nrog cov orgototin stabilizers, hlau ceev stabilizers, thiab inorgemic ntsev statilizers. Orgototin Stabilizers tau siv dav hauv cov khoom siv los ntawm cov khoom PVC cov khoom vim tias lawv cov pob tshab, huab cua tsis kam, thiab kev sib raug zoo. Hlau Coal Stabilizers Feem ntau siv calcium, zinc, lossis salium sals, uas tuaj yeem muab zoo dua thermal stability. Inorganic ntsev stabilizers xws li Tribasic txhuas sulfate, dibasic txhuas phospate, thiab lwm yam. Lub rwb thaiv hluav taws xob ntev thiab zoo hluav taws xob. Thaum xaiv ib qho kev tsim nyog PVC Stabilizer, koj yuav tsum xav txog cov ntaub ntawv thov cov haujlwm ntawm PVC cov khoom lag luam thiab cov khoom lag luam uas yuav tsum tau muaj. Cov txhab sib txawv yuav cuam tshuam kev ua yeeb yam ntawm PVC cov khoom lag luam lub cev thiab cov tshuaj, yog li kev sim nruj thiab kev sim ua kom muaj kev haum ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers ntawm stabilizers Cov ncauj lus qhia ntxaws thiab sib piv ntawm ntau hom PVC stabilizers yog raws li hauv qab no:
Orgototin stabilizer:Orgototin stabilizers yog cov stabilizers zoo tshaj plaws rau PVC cov khoom lag luam. Lawv cov tebchaw yog cov tshuaj tiv thaiv cov tshuaj tiv thaiv ntawm organotin oxides lossis orgototin chlorides nrog cov kua qaub uas tsim nyog lossis esters.
Orgotin Stabilizers tau muab faib ua cov sulphur-muaj thiab sulfur-dawb. Sulphur-muaj stabilizers 'ruaj khov yog qhov zoo tshaj plaws, tab sis muaj teeb meem nyob rau hauv saj thiab hla-staining zoo ib yam li lwm yam sulphur-muaj cov tebchaw. Tsis-Sulphur orgototin stabilizers feem ntau yog raws li cov txiv neej kua qaub lossis ib nrab txiv neej cov kua qaub. Lawv nyiam methylin stabilizers yog tsawg dua cov cua sov stabilizers nrog zoo lub teeb ruaj khov.
Orgototin stabilizers feem ntau yog siv rau cov zaub mov ntim thiab lwm cov khoom PVC pob tshab PVC thiab zoo li cov pob tshab hoses.
Ua rau stabilizers:Cov thawj coj ua txhuas suav nrog cov tebchaw hauv qab no: Hydrated Tribasic cov sulfate, dibasic txhuas phthothate, thiab dibasic txhuas phosphate.
Raws li cov cua sov stabilizers, cov hmoov txhuas yuav tsis ua rau cov hluav taws xob ua kom puas, dej nqus dej tsis kam ntawm pvc cov ntaub ntawv. Txawm li cas los xij,Ua stabilizers cojmuaj qhov tsis zoo xws li:
- muaj tshuaj lom;
- hla kev ua paug, tshwj xeeb yog leej SULFUR;
- Tsim cov khoom noj txhuas chloride, uas yuav ua rau cov khoom tiav ntawm cov khoom tiav;
- Cov piv txwv hnyav, ua rau tsis muaj qhov hnyav / ntim piv.
- Cov txhab ua rau cov stabilizers feem ntau ua rau PVC cov khoom lag luam opaque tam sim ntawd thiab discolor sai sai tom qab muaj cua sov.
Txawm hais tias cov tsis zoo no, cov stabilizizers coj mus muag tseem dav siv tau. Rau hluav taws xob rwb thaiv tsev, ua rau stabilizers stabilizers yog nyiam. Tau txais txiaj ntsig los ntawm nws cov nyhuv dav dav, ntau yam yoog raws li cov txheej txheem cable, Opaque PVC cov khoom siv tawv, thiab cov tawv nqaij tawv, thiab txhaj tshuaj.
Hlau Ceg Xwm Txheej: Mixed Hlau StabilizersMuaj kev sib sau ua ke ntawm ntau yam sib xyaw, feem ntau raug tsim raws li cov ntawv thov tshwj xeeb thiab cov neeg siv. Qhov kev tshem tawm no tau hloov zuj zus los ntawm kev sib ntxiv ntawm barium succinate, cov tshuaj pleev ib ce, pleev xim, cov tshuaj pleev ib ce, cov tshuaj pleev xim rau, cov tshuaj pleev xim rau, cov tshuaj pleev ib ce, kua roj av, thiab tsw qab. Raws li qhov tshwm sim, muaj ntau yam uas tuaj yeem cuam tshuam cov nyhuv ntawm lub stabilizer zaum kawg.
Hlau Stabilizers, xws li barium, calcium, thiab magnesium tsis tiv thaiv thaum ntxov cov khoom siv ntawm cov ntaub ntawv ntawm cov ntawv PVC tab sis tuaj yeem muab cov cua sov ntev. PVC Khoom Stabilized nyob rau hauv txoj kev no pib tawm daj / txiv kab ntxwv, ces maj mam hloov mus rau xim av, thiab thaum kawg rau dub tas li.
Cadmium thiab Zinc Stabilizers tau siv thawj zaug vim tias lawv tau pob tshab thiab tuaj yeem tswj cov xim qub ntawm PVC cov khoom lag luam. Lub sij hawm ntev thermostility muab los ntawm cadmium thiab Zinc Stabilizers muaj ntau yam tsis zoo dua li uas muaj los ntawm cov uas muaj los ntawm ib qho uas muaj dheev degrade kiag li nrog me me lossis tsis muaj kos npe.
Ntxiv rau qhov muaj txiaj ntsig ntawm cov hlau sib piv, cov txiaj ntsig ntawm cov khoom siv ntsev, uas muaj kev cuam tshuam, pob tshab hloov, thiab thermal stability hloov, thiab thermal stability hloov, thiab thermal ruaj khov ntawm pvc. Hauv qab no yog ntau hom kev sib xyaw hlau hlau stabilizers: 2-ethylcaproate, Phenche, Benzoate, thiab Stearate.
Hlau Coal Stabilizers tau dav siv hauv cov khoom muag PVC thiab pob tshab muag zoo li cov khoom noj ntim khoom, thiab siv cov khoom siv.
Lub Sijhawm Post: Oct-11-2023