Heat stabilizer yana ɗaya daga cikin manyan abubuwan da ake buƙata don sarrafa PVC.Ana amfani da ma'aunin zafi na PVC a cikin ƙaramin adadi, amma aikinsa yana da girma.Yin amfani da ma'aunin zafi a cikin aiki na PVC na iya tabbatar da cewa PVC ba ta da sauƙi don ragewa kuma ingantacciyar kwanciyar hankali.Thepolyethylene kakin zumaamfani da PVC stabilizer zai cimma sakamako ma'auni na lubrication.A cikin aiwatar da sarrafa samfurin, yana da amfani ga filastik, tarwatsawa da haɗuwa, samar da bayyanar da daidaiton kwararar ruwa;Kuma cimma tafiyar da zafi da ma'auni ba tare da mannewa da riƙewa ba;Gabaɗaya, yana la'akari da tsarin PE wax (mai mai) da farkon, tsakiyar da ƙarshen matakan.A lokaci guda, za a yi la'akari da santsi na stabilizer, la'akari da ciki da waje.

Masu kwantar da zafi da aka saba amfani da su a cikin sarrafa PVC sun haɗa da masu daidaita gishirin gubar na asali, na'urorin sabulu na ƙarfe, masu daidaita jikin organotin, masu haɓaka ƙasa marasa ƙarfi, mahaɗan epoxy, da sauransu.
Gubar gishiri stabilizer
Gishirin gubar shine mafi yawan amfani da zafin zafi don PVC, kuma adadin sa na iya yin lissafin fiye da rabin na'urar tabbatar da zafi na PVC.
Abvantbuwan amfãni na gubar gishiri stabilizer: kyakkyawan kwanciyar hankali na thermal, kwanciyar hankali na zafin jiki na dogon lokaci, ingantacciyar wutar lantarki da yanayin juriya mai kyau.
Rashin hasara na gubar gishiri stabilizer: matalauta watsawa, high yawan guba, farkon canza launi, da wuya a samu m kayayyakin da haske masu launi kayayyakin, rashin lubricity, don samar da sulfur da ware gurbatawa.
Abubuwan da aka saba amfani da su na gubar dalma stabilizers sune:
Tribasic gubar sulfate, kwayoyin dabara: 3PbO · PbSO4 · H2O, code TLS, farin foda, yawa 6.4g/cm3.Tribasic gubar sulfate shine abin da aka saba amfani dashi.Ana amfani da ita gabaɗaya tare da dibasic gubar phosphite.Ana buƙatar ƙara man shafawa saboda ba shi da mai.Ana amfani dashi galibi a cikin samfuran PVC masu ƙarfi, kuma sashi shine gabaɗaya 2 ~ 7 sassa.
Dibasic gubar phosphite, tsarin kwayoyin halitta: 2PbO · pbhpo3 · 1 / 2H2O, code DL, farin foda, yawa 6.1g/cm3.Tsawon yanayin zafi na dibasic gubar phosphite ya ɗan yi ƙasa da na gubar sulfate na tribasic, amma juriyar yanayi ya fi na sulfate gubar na tribasic.Ana amfani da phosphite na gubar Dibasi sau da yawa tare da sulfate na gubar tribasic, kuma adadin shine gabaɗaya kusan rabin na sulfate gubar na tribasic.
Dibasic gubar stearate, lambar mai suna DLS, ba ta zama gama gari kamar sulfate gubar na tribasic da diasic gubar phosphite kuma yana da lubricant.Ana amfani dashi sau da yawa a hade tare da tribasic gubar sulfate da dibasic gubar phosphite a cikin adadin 0.5 ~ 1.5 phr.
Domin hana mai gubar gubar gishiri stabilizer tashi daga sama, yana gurɓata yanayin samarwa da haɓaka tasirin tarwatsawar na'urar, an samar da ma'aunin zafi na gubar dalma mara ƙura kuma a yi amfani da shi a gida da waje.Tsarin masana'anta shine:
Karkashin yanayin dumama da hadawa, daban-daban na gubar gishiri stabilizers da mataimakan zafi masu daidaitawa tare da tasirin haɗin gwiwa an tarwatsa su gabaɗaya tare da gauraye da man shafawa na ciki da na waje don yin granular ko flake gishiri mai hadewar abubuwan daidaitawa.Zai iya saduwa da buƙatun fasaha na kwanciyar hankali na thermal da lubrication na ciki da na waje ta hanyar ƙara shi zuwa resin PVC bisa ga wasu adadin sassa (ba tare da ƙara wasu stabilizers da lubricants ba).
An ba da rahoton cewa, ma'aunin gishirin gubar da aka yi amfani da shi wajen kera na'urar sarrafa gishirin dalma ba tare da ƙura ba yana da ƙananan barbashi, wanda ke ƙara yanayin da ake ɗauka tare da hydrogen chloride.Saboda an haɗa shi tare da man shafawa na ciki da na waje, yana da kyakkyawan tarwatsawa, inganta ingantaccen kwanciyar hankali na thermal da rage yawan sashi.

Sabulun ƙarfe
Adadin babban mai daidaitawa shine rukuni na biyu mafi girma bayan gishirin gubar.Ko da yake kwanciyar hankali na zafi ba ta da kyau kamar gishirin gubar, yana da ma'ana.Ba shi da guba sai CD da Pb, bayyane sai Pb da Ca, kuma ba shi da gurɓataccen gurɓataccen iska.Sabili da haka, ana amfani dashi sosai a cikin PVC mai laushi, irin su maras guba da m.
Sabulun ƙarfe na iya zama ƙarfe (duba, barium, cadmium, zinc, calcium, da dai sauransu) salts na fatty acid (lauric acid, stearic acid, naphthenic acid, da dai sauransu), daga cikinsu stearate shine mafi yawan amfani.Tsarin kwanciyar hankali na thermal shine: gishirin zinc> gishiri cadmium> gishiri gubar> gishirin calcium / gishiri barium.
Ba a amfani da sabulun ƙarfe gabaɗaya shi kaɗai.Ana amfani da su sau da yawa tsakanin sabulun ƙarfe ko a haɗe da gishirin gubar da kwano.
Zinc stearate (znst), ba mai guba ba kuma mai gaskiya, yana da sauƙi don haifar da "ƙona zinc", wanda galibi ana amfani dashi tare da sabulun BA da Ca.
Calcium stearate (CAST), tare da kyakkyawan tsari, babu gurɓatawar sulfide da bayyana gaskiya, ana yawan amfani dashi tare da sabulun Zn.
Cadmium stearate (cdst), a matsayin muhimmin mai tabbatar da gaskiya, yana da babban guba kuma baya da juriya ga gurbatar sulfide.Ana yawan amfani dashi tare da sabulun BA.
Gubar stearate (PBST), tare da ingantaccen yanayin zafi, Hakanan ana iya amfani dashi azaman mai mai.Rashin lahani yana da sauƙin hazo, rashin fa'ida mara kyau, mai guba da mummunar gurɓatawar sulfide.Yawancin lokaci ana amfani dashi tare da sabulun BA da CD.
Barium stearate (BST), mara guba, gurɓataccen maganin sulfide, m, yawanci ana amfani dashi tare da sabulun Pb da Ca.
Sakamakon bincike da aikin ya nuna cewa sabulun zafi mai daidaitawa gabaɗaya bai dace da amfani da shi kaɗai ba, kuma ana iya samun sakamako mai kyau na haɗin gwiwa ta hanyar amfani da fili.Saboda bambanci na anionic part, synergist, sauran ƙarfi ko watsawa na karfe sabulu zafi stabilizer, hada karfe sabulu zafi stabilizer za a iya raba zuwa m da ruwa.
Calcium stearate da zinc sune masu daidaita zafi marasa guba tare da ƙarancin farashi, waɗanda suka dace da samfuran PVC don kayan abinci.Sakamakon ya nuna cewa mai daidaita sabulun zinc yana da babban ƙarfin ionization mai ƙarfi, yana amsawa tare da allyl chloride akan kwayoyin PVC, zai iya daidaita PVC kuma ya hana tasirin canza launi na farko.Duk da haka, ZnCl2 da aka samar ta hanyar amsawa shine mai haɓakawa don cire HCl kuma yana iya inganta lalata PVC.Haɗin sabulun calcium ba kawai zai iya amsawa tare da HCl ba, amma kuma yana amsawa tare da ZnCl2 don samar da CaCl2 da sake farfado da sabulun zinc.CaCl2 ba shi da wani tasiri mai tasiri akan kawar da HCl, kuma hadaddun ZnCl2 tare da abubuwan da aka samo na calcium na iya rage ikonsa na kau da HCl.Haɗuwa da mahadi na epoxy tare da alli da sabulun zinc yana da sakamako mai kyau na synergistic.Gabaɗaya, ma'aunin zafi mai ƙarfi wanda ba mai guba ba ya ƙunshi sinadarin calcium stearate, zinc stearate da epoxy waken soya oleate.Ya kamata a lura da cewa, β- Haɗuwa da diketone sabon ma'aunin zafi mai zafi da alli da zinc sabulu stabilizer yana haɓaka haɓakar yin amfani da sinadarin calcium mara guba da zinc composite stabilizer.Ana amfani da shi a wasu kayan marufi na abinci kamar kwalabe na PVC da zanen gado.
Qingdao Sainuo Chemical Co., Ltd.Mu ne masana'anta don PE kakin zuma, PP kakin zuma, OPE kakin zuma, EVA kakin zuma, PEMA, EBS, Zinc / Calcium Stearate….Kayayyakin mu sun wuce REACH, ROHS, PAHS, gwajin FDA.
Sainuo rest assured wax, maraba da tambayar ku!
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