I-Heat stabilizer yenye yezongezo eziphambili eziyimfuneko ekusebenzeni kwePVC.I-PVC yokuqinisa ukushisa isetyenziswe kwinani elincinci, kodwa indima yayo inkulu.Ukusetyenziswa kokuqina kobushushu kwi-PVC processing kunokuqinisekisa ukuba i-PVC akulula ukuyithoba kwaye izinzile.Ipolyethylene waxisetyenziswe kwi-PVC stabilizer iya kufumana i-lubrication balance effect.Kwinkqubo yokulungiswa kwemveliso, kuhambelana neplastiki, ukusabalalisa kunye nokuxuba, ukwenza imbonakalo kunye nesantya sokuhamba okulinganayo;Kwaye ufezekise ukuqhutyelwa kobushushu kunye nokulinganisela ngaphandle kokubambelela kunye nokugcinwa;Ngokuqhelekileyo, ithathela ingqalelo inkqubo ye-PE wax (i-lubricant) kunye nenqanaba lokuqala, eliphakathi kunye nelasemva.Ngelo xesha, ukuguquguquka kwe-stabilizer kuya kuqwalaselwa, kuthathelwe ingqalelo ubumnandi bangaphakathi nangaphandle.

Izizinzisi zobushushu eziqhele ukusetyenziswa kwi-PVC processing ziquka i-basic lead salt stabilizers, i-metal soap stabilizers, i-organotin stabilizers, i-rare earth stabilizers, i-epoxy compounds, njl.
Lead ityuwa stabilizer
Ityuwa yelothe sesona sixhasi sokuzinzisa ubushushu esixhaphakileyo kwi-PVC, kwaye idosi yayo inokuthatha ngaphezu kwesiqingatha se-PVC yokuzinzisa ubushushu.
Izinto ezilungileyo zokuzinzisa ityuwa yelothe: ukuzinza kwe-thermal okugqwesileyo, ukuzinza kwe-thermal ixesha elide, ukugquma kombane okugqwesileyo kunye nokumelana nemozulu elungileyo.
Ukungalungi kwi-lead stabilizer yetyuwa: ukusasazeka okungahambi kakuhle, ubutyhefu obuphezulu, umbala wokuqala, kunzima ukufumana iimveliso ezicacileyo kunye neemveliso ezinemibala eqaqambileyo, ukungabikho kwe-lubricity, ukwenzela ukuvelisa isulfure kunye nokungcola okukodwa.
Izizinzisi zetyuwa ezisetyenziswa ngokuqhelekileyo zezi:
I-Tribasic lead sulfate, i-molecular formula: 3PbO · PbSO4 · H2O, ikhowudi ye-TLS, umgubo omhlophe, ubuninzi be-6.4g / cm3.I-Tribasic lead sulfate sisizinzi esisetyenziswa ngokuqhelekileyo.Ngokuqhelekileyo isetyenziswa kunye ne-dibasic lead phosphite.I-Lubricant kufuneka yongezwe kuba ayinakuthambisa.Isetyenziswa kakhulu kwimveliso ye-PVC elukhuni, kwaye umthamo udla ngokuba ziinxalenye ezi-2 ~ 7.
I-Dibasic lead phosphite, i-molecular formula: 2PbO · pbhpo3 · 1 / 2H2O, ikhowudi ye-DL, umgubo omhlophe, ubuninzi be-6.1g / cm3.Uzinzo lwe-thermal ye-dibasic lead phosphite ingaphantsi kancinci kune-tribasic lead sulfate, kodwa ukumelana nemozulu kungcono kunoko kwe-tribasic lead sulfate.I-Dibasic lead phosphite ihlala isetyenziswa kunye ne-tribasic lead sulfate, kwaye ithamo lihlala limalunga nesiqingatha se-tribasic lead sulfate.
I-Dibasic lead stearate, ikhowudi ebizwa ngokuba yi-DLS, ayiqhelekanga njenge-tribasic lead sulfate kunye ne-dibasic lead phosphite kwaye inelubricity.Ihlala isetyenziselwa ukudibanisa ne-tribasic lead sulfate kunye ne-dibasic lead phosphite kwisixa se-0.5 ~ 1.5 phr.
Ukuze kuthintelwe isizinzi setyuwa esilumgubo esinetyhefu esiluthuli ekubhabheni simke, singcolise ngokunzulu imeko-bume yemveliso kunye nokuphucula isiphumo sokusasazwa kwesizinzisi, isizinzisi sobushushu setyuwa esingenathuli siphuhlisiwe kwaye sisetyenziswa ekhaya nakwamanye amazwe.Inkqubo yokwenziwa yile:
Ngaphantsi kweemeko zokufudumeza kunye nokuxuba, ii-stabilizers zetyuwa ezikhokelayo ezikhokelayo kunye nezinzinzi zokushisa ezincedisayo ezineempembelelo ze-synergistic zichithwa ngokupheleleyo kwaye zixutywe kunye ne-lubricants yangaphakathi nangaphandle ukwenza i-granular okanye i-flake lead salts composite stabilizers.Iyakwazi ukuhlangabezana neemfuno zobugcisa zozinzo lwe-thermal kunye nokuthambisa kwangaphakathi nangaphandle ngokuyongeza kwi-resin ye-PVC ngokwenani elithile leenxalenye (ngaphandle kokongeza ezinye i-stabilizers kunye ne-lubricant).
Kuxelwe ukuba i-lead stabilizer yetyuwa esetyenziselwa ukuveliswa kwetyuwa engenaluthuli i-composite stabilizer inamasuntswana amahle, okwandisa indawo yokusabela nge-hydrogen chloride.Ngenxa yokuba idityaniswe nezithambiso zangaphakathi nangaphandle, inokusasazwa okugqwesileyo, iphucule kakhulu ukusebenza kakuhle kozinzo lwe-thermal kunye nokunciphisa umthamo.

Iisepha zentsimbi
Isixa se-stabilizer ephambili ludidi lwesibini ngobukhulu emva kwetyuwa elothe.Nangona ukuzinza kwayo kwi-thermal kungenakulunga njengetyuwa yelothe, ikwanazo nokuthambisa.Ayinatyhefu ngaphandle kwe-CD kunye ne-Pb, icace ngaphandle kwe-Pb ne-Ca, kwaye ayinangcoliseko.Ngoko ke, isetyenziswa ngokubanzi kwi-PVC ethambileyo, njenge-non-toxic kunye ne-transparent.
Iisepha zesinyithi zinokuba yintsimbi (i-lead, i-barium, i-cadmium, i-zinc, i-calcium, njl.) iityuwa ze-fatty acids (i-lauric acid, i-stearic acid, i-naphthenic acid, njl.), phakathi kwayo i-stearate isetyenziswa ngokuqhelekileyo.Umyalelo wokuzinza kwe-thermal yile: ityuwa ye-zinc > ityuwa ye-cadmium > ityuwa yelothe > ityuwa ye-calcium / ityuwa ye-barium.
Iisepha zentsimbi azisetyenziswa zodwa.Zihlala zisetyenziswa phakathi kweesepha zentsimbi okanye zidityaniswe neetyuwa zelothe kunye netoti ephilayo.
I-zinc stearate (znst), engeyiyo ityhefu kunye ne-transparent, kulula ukubangela "ukutsha kwe-zinc", ehlala isetyenziswa kunye neesepha ze-BA kunye ne-Ca.
I-Calcium stearate (i-CAST), ekwazi ukuqhubekeka kakuhle, akukho ngcoliseko ye-sulfide kunye nokungafihli, isoloko isetyenziswa kunye nesepha ye-Zn.
ICadmium stearate (cdst), njengesizinzisi esicacileyo esibalulekileyo, inetyhefu enkulu kwaye ayixhathisi kungcoliseko lwesulfide.Ihlala isetyenziswa kunye nesepha ye-BA.
I-Lead stearate (PBST), enozinzo oluhle lwe-thermal, ingasetyenziswa njenge-lubricant.Izinto ezingeloncedo kulula ukuziwisa, ukungafihli kakuhle, ungcoliseko oluyityhefu kunye nolunzulu lwesulfide.Ihlala isetyenziswa kunye ne-BA kunye neesepha zeCD.
Barium stearate (BST), non-toxic, anti sulfide ungcoliseko, transparent, edla ngokusetyenziswa Pb kunye neesepha Ca.
Iziphumo zophando kunye nokuziqhelanisa zibonisa ukuba isizinzi sobushushu sesepha yesinyithi ayifanelekanga ukusetyenziswa yodwa, kwaye isiphumo esihle se-synergistic sinokufunyanwa ngokusetyenziswa kwekhompawundi.Ngenxa yomahluko wenxalenye ye-anionic, i-synergist, i-solvent okanye i-dispersion ye-sepha yesinyithi yokuzinzisa ubushushu, i-composite metal isepha yokuzinzisa ukushisa inokwahlulwa ibe yinto eqinile kunye nolwelo.
I-calcium stearate kunye ne-zinc zi-non-toxic stabilizers zokushisa kunye nexabiso eliphantsi, ezifanelekileyo kwimveliso ye-PVC yokupakisha ukutya.Iziphumo zibonisa ukuba i-zinc soap stabilizer inamandla aphezulu e-ionization, isabela nge-alyl chloride kwi-molecule ye-PVC, inokuzinzisa i-PVC kwaye inqanda umphumo wokuqala wombala.Nangona kunjalo, i-ZnCl2 eveliswa yi-reaction yi-catalyst yokususa i-HCl kwaye inokukhuthaza ukuthotywa kwe-PVC.Isepha ye-calcium edityanisiweyo ayinakusabela kuphela nge-HCl, kodwa iphinda isebenze kunye ne-ZnCl2 ukwenza i-CaCl2 kunye nokuvuselela isepha ye-zinc.I-CaCl2 ayinayo i-catalytic effect ekususweni kwe-HCl, kwaye ukuxutywa kwe-ZnCl2 kunye ne-calcium derivatives kunokunciphisa isakhono sayo sokususa i-HCl.Udibaniso lwee-epoxy compounds kunye ne-calcium kunye neesepha ze-zinc zineempembelelo ezilungileyo ze-synergistic.Ngokubanzi, i-non-toxic composite heat stabilizer yenziwa ikakhulu yi-calcium stearate, i-zinc stearate kunye ne-epoxy soy bean oleate.Kubalulekile ukuqaphela ukuba, i-β- Indibaniselwano ye-diketone entsha encedisayo yokuzinzisa ubushushu kunye ne-calcium kunye ne-zinc soap stabilizer ikhuthaza ukwanda kokusetyenziswa kwe-non-toxic calcium kunye ne-zinc composite stabilizer.Isetyenziswa kwezinye izinto zokupakisha ukutya ezifana neebhotile zePVC kunye namaphepha.
Qingdao Sainuo Chemical Co.,Ltd.Singabavelisi be-PE wax, i-PP wax, i-OPE wax, i-EVA wax, i-PEMA, i-EBS, i-Zinc / i-Calcium Stearate….Iimveliso zethu ziphumelele i-REACH, ROHS, PAHS, uvavanyo lwe-FDA.
Sainuo qiniseka wax, wamkele umbuzo wakho!
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