PVC StabilizersEse inyongera zikoreshwa mugutezimbere ubushyuhe bwa chloride ya polyvinyle (PVC) na copolymers. Kuri pvc plastike, niba ubushyuhe bwo gutunganya burenze 160 ℃, kuboneza ubushyuhe bizarangwa na gaze ya HCL izakorwa. Niba bidahagaritswe, iyi myanya yubushyuhe izarushahoho kwiyongera, ihindura iterambere no gushyira mubikorwa plastique ya PVC.
Ubushakashatsi bwasanze niba plastike ya PVC irimo umunyu muto wo kuyobora, isabune yicyuma, impumuro, hamwe nubundi bwato, bwo gutunganya no gusaba ntabwo bizahungabanya urugero runaka. Ubu bushakashatsi bwateza imbere ishyirwaho no gukomeza iterambere rya PVC.
Abaterankunga basanzwe ba PVC barimo abanyarugagateri teletutine, intandaro yumunyu wicyuma, na stabilizers yumunyu idasanzwe. Intetine Orcotin ikoreshwa cyane mugukora ibicuruzwa bya PVC kubera gukorera mu mucyo, kurwanya ibihe byiza ikirere, no guhuza. Intara yumunyu rusange ikoresha Calcium, zinc, cyangwa umunyu wa barium, ushobora gutanga umutekano mwiza. Intebe yumunyu idasanzwe nkimiryango iyobowe na sulfate, dibasic iyobora kuri terefone, nibindi. Kugira transrable contacturess hamwe namashanyarazi meza. Mugihe uhisemo SVC ibereye, ugomba gusuzuma ibisabwa kugirango ibicuruzwa bya PVC nibisabwa bisabwa. Inteko zitandukanye zizagira ingaruka kumikorere yibicuruzwa bya PVC kumubiri no mumitima, gutondekanya cyane no kwipimisha birasabwa kugirango habeho impamvu zidahari. Intangiriro irambuye no kugereranya na stabilizers zitandukanye za PVC ni izi zikurikira:
Orcotin Stabilizer:Intetine Orcotin Stabilizers niyo ntangazi nziza cyane kubicuruzwa bya PVC. Ibipimo byabo nibicuruzwa bifatika byibimango bya Ordotine cyangwa Torlotin chloride hamwe na acide ikwiye cyangwa esters.
Intetine Orcotin igabanijwemo sulfure ikubiyemo no sulfure. Guhagarara kwa sulfur birimo indashyikirwa, ariko haribibazo muburyohe nambukiranya ibintu bisa nibindi bisumbanyi. Intetine idafite sulfuru isanzwe ishingiye kuri aside missique cyangwa igice cya maliki acide. Bakunda methyl tin stabilizers ntandukana cyane nubushyuhe buke bafite urumuri rwiza.
Intetine ornototin ikoreshwa cyane cyane kugirango ipake ibiryo hamwe nibindi bicuruzwa bya PVC nkibintu bifatika.
Stabilizers yo kuyobora:Abaterankunga bayobora basanzwe barimo ibice bikurikira: Dibasic Live Stearate, Swasic yo mu bwoko bwa dibasic ayobora sulfate, dibasic kuyobora phthalate, na dibasic kuyobora fosifate.
Nka stabilizers yubushyuhe, ibice bigana ntabwo byangiza imitungo myiza y'amashanyarazi, amazi make, kandi ikirere cyo hanze kirwanya ibikoresho bya PVC. Ariko,kuyobora stabilizersgira ibibi nka:
- Kugira uburozi;
- Kwanduza kwambuka, cyane cyane hamwe na sufuru;
- kubyara chloride iyobora, izakora imirongo ku bicuruzwa byarangiye;
- Ikigereranyo kiremereye, bikavamo igipimo cyibipimo bidashimishije / umujwi.
- Gutezaza uruhare rukunze gukora ibicuruzwa bya PVC ako kanya na discolor vuba nyuma yubushyuhe burambye.
Nubwo ibibanganze, abigajejejene bane baracyakirwa cyane. Kubwonko amashanyarazi, stabilizers ikunzwe. Kungukirwa ningaruka rusange, ibicuruzwa byinshi byoroshye kandi bikomeye byagaragaye nkibice byo hanze, opaque pvc, imiyoboro ikomeye, amazurubisi, hamwe nudushinge.
Ibyuma Byumunyu: Ivangura ryicyumani uguteranya ibice bitandukanye, mubisanzwe byakozwe ukurikije ibyifuzo byihariye bya PVC hamwe nabakoresha. Ubu bwoko bw'intangiriro bwahindutse kuva hiyongereyeho na karium aside ya karium yonyine yo kuvanga umubiri flavour. Nkigisubizo, hari ibintu byinshi bishobora kugira ingaruka ku ngaruka zintangiriro ya nyuma.
Icyuma cyicyuma, nka bariya, calcium, na magnesium ntimurinda ibara hakiri kare ibikoresho bya PVC ariko birashobora gutanga ubushyuhe burebure. Ibikoresho bya PVC birahamye muri ubu buryo butangira umuhondo / orange, hanyuma uhinduka buhoro buhoro umukara, hanyuma amaherezo wirabura nyuma yubushyuhe buri gihe.
Abaterankunga ba CADMIUM na ZINC bakoreshejwe bwa mbere kuko bambaye kandi barashobora gukomeza ibara ryumwimerere ryibicuruzwa bya PVC. Ikimenyetso kirekire giteganijwe na CADMIIUM na ZINC kibi cyane kuruta ibyatanzwe na bariim bitunguranye, bikunze gutesha agaciro byimazeyo hamwe na bike cyangwa nta kimenyetso.
Usibye ikintu cyicyuma, ingaruka za stabilizers yumunyu nazo zifitanye isano no kunyubako zabo zireba imitungo ikurikira: Nibihe bintu byingenzi bireba imitungo ikurikira: Nibihe bintu byingenzi bireba ibintu bikurikira: Hasi ni stabilizers nyinshi zivanze: 2-Amoko, Fonolate, Benzoate, no guhubuka.
Icyuma cyumunyu gikoreshwa cyane mubicuruzwa byoroshye bya PVC hamwe nibicuruzwa byoroshye bya PVC nkibipfunyika y'ibiryo, bikoreshwa mu buvuzi, hamwe n'ibipfunyika bya farumasi.
Igihe cya nyuma: Ukwakira-11-2023