I-Heat stabilizer ingesinye sezithasiselo ezibalulekile ezibalulekile ekucutshungulweni kwe-PVC.I-PVC heat stabilizer isetshenziswa ngenani elincane, kodwa indima yayo inkulu.Ukusetshenziswa kwe-heat stabilizer ekucubunguleni kwe-PVC kungaqinisekisa ukuthi i-PVC akulula ukuyehlisa futhi izinzile.Ii-polyethylene waxesetshenziswa ku-PVC stabilizer izofinyelela umphumela webhalansi yokugcoba.Enqubweni yokucubungula umkhiqizo, kuhambisana ne-plasticization, ukuhlakazeka nokuxuba, ukwakha ukubukeka kanye nesilinganiso sokugeleza okulinganiselwe;Futhi uzuze ukuqhutshwa kokushisa nokulinganisela ngaphandle kokunamathela nokugcinwa;Ngokuvamile, kucabangela inqubo ye-PE wax (i-lubricant) kanye nezigaba zakuqala, ezimaphakathi nezakamuva.Ngesikhathi esifanayo, ukushelela kwe-stabilizer kuzocatshangelwa, kucatshangelwa ubushelelezi bangaphakathi nangaphandle.

Iziqinisi zokushisa ezivame ukusetshenziswa ekucubunguleni i-PVC zifaka iziqinisi zikasawoti eziholayo eziyisisekelo, iziqinisi zensipho yensimbi, iziqinisi ze-organotin, iziqinisi zomhlaba ezingavamile, izinhlanganisela ze-epoxy, njll.
I-lead salt stabilizer
Usawoti omthofu uyisinzinzisi sokushisa esivame ukusetshenziswa kakhulu se-PVC, futhi umthamo wawo ungabala ngaphezu kwesigamu sesiqinisi sokushisa se-PVC.
Izinzuzo ze-lead stabilizer kasawoti: ukuzinza okuhle kakhulu kokushisa, ukuzinza kwe-thermal yesikhathi eside, ukufakwa kukagesi okuhle kakhulu kanye nokumelana nesimo sezulu esihle.
Ukungalungi kwe-lead stabilizer kasawoti: ukuhlakazeka okungalungile, ubuthi obuphezulu, umbala wokuqala, kunzima ukuthola imikhiqizo esobala nemikhiqizo enemibala ekhanyayo, ukuntuleka kokugcoba, ukuze kukhiqizwe isulfure nokuhlukanisa ukungcola.
I-lead stabilizers esetshenziswa kakhulu yilezi:
I-Tribasic lead sulfate, ifomula yamangqamuzana: 3PbO · PbSO4 · H2O, ikhodi ye-TLS, impushana emhlophe, ukuminyana kwe-6.4g/cm3.I-Tribasic lead sulfate iyi-stabilizer esetshenziswa kakhulu.Ngokuvamile isetshenziswa kanye ne-dibasic lead phosphite.I-Lubricant idinga ukungezwa ngoba ayinakho ukuthambisa.Isetshenziswa kakhulu emikhiqizweni e-opaque eqinile ye-PVC, futhi umthamo ngokuvamile uyizingxenye ezi-2 ~ 7.
I-Dibasic lead phosphite, ifomula yamangqamuzana: 2PbO · pbhpo3 · 1 / 2H2O, ikhodi DL, impushana emhlophe, ukuminyana 6.1g/cm3.Ukuzinza okushisayo kwe-dibasic lead phosphite kuphansi kancane kunaleyo ye-tribasic lead sulfate, kodwa ukumelana nesimo sezulu kungcono kunaleyo ye-tribasic lead sulfate.I-Dibasic lead phosphite ivame ukusetshenziswa kanye ne-tribasic lead sulfate, futhi umthamo ngokuvamile uyingxenye yaleyo ye-tribasic lead sulfate.
I-Dibasic lead stearate, ikhodi ebizwa nge-DLS, ayivamile njenge-tribasic lead sulfate ne-dibasic lead phosphite futhi inokuthambisa.Ivamise ukusetshenziswa ekuhlanganisweni ne-tribasic lead sulfate kanye ne-dibasic lead phosphite ngenani elingu-0.5 ~ 1.5 phr.
Ukuze kuvinjwe isinzinzinzisi sikasawoti esiwumthofu oyimpuphu onobuthi ekundizeni, singcolise kakhulu imvelo yokukhiqiza futhi sithuthukise umphumela wokuhlakazeka kwesiqinisi, isizinzisi sokushisa sikasawoti esihlanganisiwe esingenaluthuli sithuthukisiwe futhi sisetshenziswa ekhaya naphesheya.Inqubo yokukhiqiza ithi:
Ngaphansi kwezimo zokushisa nokuxuba, iziqinisi zikasawoti eziholayo ezihlukahlukene kanye nezinzamisi zokushisa ezisizayo ezinemiphumela ye-synergistic zihlakazeka ngokugcwele futhi zixutshwe nezithambisi zangaphakathi nangaphandle ukuze zenze iziqinisi ezihlanganisiwe zikasawoti eziyimbudumbudu noma ze-flake.Ingakwazi ukuhlangabezana nezidingo zobuchwepheshe zokuzinza okushisayo kanye nokugcotshwa kwangaphakathi nangaphandle ngokuyingeza ku-PVC resin ngokusho kwenani elithile lezingxenye (ngaphandle kokwengeza ezinye iziqinisi kanye nezinto zokugcoba).
Kubikwa ukuthi i-lead stabilizer kasawoti esetshenziswa ekwenzeni i-composite stabilizer kasawoti eholayo engenathuli inezinhlayiya ezinhle, okwandisa indawo yokusabela nge-hydrogen chloride.Ngenxa yokuthi ihlanganiswe nezinto zokugcoba zangaphakathi nangaphandle, inokuhlakazeka okuhle kakhulu, ithuthukise kakhulu ukusebenza kahle kokuqina kokushisa kanye nokunciphisa umthamo.

Izinsipho zensimbi
Inani le-stabilizer eyinhloko yisigaba sesibili esikhulu ngemva kukasawoti omthofu.Nakuba izinga lokushisa kwalo lingefani nosawoti omthofu, liphinde libe nokuthambisa.Ayinabuthi ngaphandle kwe-CD ne-Pb, isobala ngaphandle kwe-Pb ne-Ca, futhi ayinakho ukungcoliswa kwe-vulcanization.Ngakho-ke, isetshenziswa kabanzi ku-PVC ethambile, njenge-non-toxic and transparent.
Izinsipho zensimbi zingaba insimbi (i-lead, i-barium, i-cadmium, i-zinc, i-calcium, njll.) usawoti wama-fatty acids (i-lauric acid, i-stearic acid, i-naphthenic acid, njll.), phakathi kwayo i-stearate isetshenziswa kakhulu.Ukuhleleka kokuqina okushisayo yilokhu: usawoti we-zinc > usawoti we-cadmium > usawoti oholayo > usawoti we-calcium / usawoti we-barium.
Izinsipho zensimbi ngokuvamile azisetshenziswa zodwa.Zivame ukusetshenziswa phakathi kwezinsipho zensimbi noma zihlanganiswe nosawoti omthofu kanye ne-organic tin.
I-Zinc stearate (znst), engenabuthi futhi esobala, kulula ukubangela “ukushiswa kwe-zinc”, evame ukusetshenziswa kanye nezinsipho ze-BA kanye ne-Ca.
I-Calcium stearate (CAST), ekwazi ukusetshenzwa kahle, akukho ukungcoliswa kwe-sulfide nokuba sobala, ivamise ukusetshenziswa kanye nensipho ye-Zn.
I-Cadmium stearate (cdst), njengesizinzisi esibonakalayo esibalulekile, inobuthi obukhulu futhi ayimelani nokungcoliswa kwe-sulfide.Ivamise ukusetshenziswa kanye nensipho ye-BA.
I-lead stearate (PBST), enokuqina okuhle kokushisa, ingasetshenziswa futhi njengesithambiso.Ububi bunemvula kalula, ukungacaceli kahle, ukungcola okunobuthi nokubi kwe-sulfide.Ivame ukusetshenziswa kanye ne-BA kanye nezinsipho ze-CD.
I-Barium stearate (BST), engenabuthi, i-anti sulfide pollution, esobala, evame ukusetshenziswa nezinsipho ze-Pb ne-Ca.
Imiphumela yocwaningo nokuzijwayeza kubonisa ukuthi isizinzisi sokushisa sensipho yensimbi ngokuvamile asifanele ukusetshenziswa sodwa, futhi umphumela omuhle we-synergistic ungatholwa ngokusetshenziswa okuyinhlanganisela.Ngenxa yomehluko wengxenye ye-anionic, i-synergist, i-solvent noma ukuhlakazwa kwe-stabilizer yokushisa insipho yensimbi, insipho eyinhlanganisela yensimbi yokushisa insipho ingahlukaniswa ibe okuqinile noketshezi.
I-calcium stearate ne-zinc yizinzinzisi zokushisa ezingenabuthi ezinenani eliphansi, ezifanele imikhiqizo ye-PVC yokupakisha ukudla.Imiphumela ibonisa ukuthi i-zinc soap stabilizer inamandla amakhulu e-ionization, isabela nge-alyl chloride ku-molecule ye-PVC, ingamisa i-PVC futhi ivimbele umphumela wombala wokuqala.Kodwa-ke, i-ZnCl2 ekhiqizwa ukusabela iyisisusa sokususa i-HCl futhi ingakhuthaza ukuwohloka kwe-PVC.Insipho ye-calcium ehlanganisiwe ayikwazi ukusabela kuphela nge-HCl, kodwa futhi isabela nge-ZnCl2 ukuze yakhe i-CaCl2 futhi ivuselele insipho ye-zinc.I-CaCl2 ayinawo umthelela we-catalytic ekukhishweni kwe-HCl, futhi ukuhlanganiswa kwe-ZnCl2 nokuphuma kwe-calcium kunganciphisa ikhono layo le-catalytic lokususwa kwe-HCl.Inhlanganisela ye-epoxy compounds ne-calcium nensipho ye-zinc inomphumela omuhle we-synergistic.Ngokuvamile, isiqinisi sokushisa esiyinhlanganisela esingenabuthi sakhiwa ikakhulukazi i-calcium stearate, i-zinc stearate ne-epoxy soya oleate.Kuyaphawuleka ukuthi, β- Inhlanganisela ye-diketone entsha yokuqinisa ukushisa okuyisizayo kanye ne-calcium ne-zinc soap stabilizer ikhuthaza ukwanda kokusetshenziswa kwe-calcium engenabuthi ne-zinc composite stabilizer.Isetshenziswa kwezinye izinto zokupakisha ukudla njengamabhodlela e-PVC namashidi.
Le nkampani Qingdao Sainuo Chemical Co., Ltd.Singabakhiqizi be-PE wax, i-PP wax, i-OPE wax, i-EVA wax, i-PEMA, i-EBS, i-Zinc/Calcium Stearate….Imikhiqizo yethu iphumelele ukuhlolwa kwe-REACH, ROHS, PAHS, FDA.
Sainuo qiniseka wax, wamukelekile umbuzo wakho!
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