Tekereza ibi: Umurongo wo gukuramo uruganda rwawe urasya guhagarara kubera ko firime ya PVC igabanuka ikomeza guhinduka hagati. Cyangwa umukiriya yohereje icyiciro - kimwe cya kabiri cya firime yagabanutse ku buryo butaringaniye, hasigara ibicuruzwa bipfunyitse bisa nabi. Ibi ntabwo ari hiccups gusa; nibibazo bihenze byashinze imizi mugice kimwe gikunze kwirengagizwa: icyawePVC stabilisateur.
Kubantu bose bakorana na PVC bigabanya firime - kuva kubashinzwe umusaruro kugeza kubapakira ibicuruzwa - stabilisateur ntabwo ari "inyongera." Nibisubizo byinganda zikunze kubabaza inganda, kuva ku gipimo cyo hejuru cyane kugeza kubura ububiko. Reka dusenye uko bakora, icyo tugomba kwirinda, n'impamvu stabilisateur iboneye ishobora guhindura abakiriya bababaye mubisubiramo abakiriya.
Icya mbere: Impamvu Kugabanya Filime Bitandukanye (Kandi Biragoye Guhagarika)
PVC igabanya firime ntabwo imeze nka firime isanzwe ifata cyangwa imiyoboro ya PVC ikomeye. Akazi kayo ni ukugabanuka kubisabwa - mubisanzwe iyo bikubiswe nubushyuhe buturutse kumurongo cyangwa imbunda - mugihe ugumye ufite imbaraga zo kurinda ibicuruzwa. Ibyo bisabwa byombi (ubushyuhe bwokwitabira + kuramba) bituma stabilisation igorana:
• Gutunganya ubushyuhe:Gukuramo firime zigabanya ubushyuhe bugera kuri 200 ° C. Hatabayeho stabilisateur, PVC isenyuka hano, irekura aside hydrochloric (HCl) yangiza ibikoresho kandi igahindura firime umuhondo.
• Kugabanya ubushyuhe:Firime noneho igomba kongera gufata 120–180 ° C mugihe cyo kuyisaba. Guhagarara gake cyane, kandi birarira; cyane, kandi ntibizagabanuka neza.
• Ubuzima bwa Shelf:Iyo firime imaze gupakirwa, yicaye mububiko cyangwa munsi yamatara yububiko. Imirasire ya UV na ogisijeni bizatuma firime idahungabana mu byumweru - ntabwo ari amezi.
Uruganda ruciriritse ruri hagati ya Ohio rwize ibi bigoye: Bahindukiye kuri stabilisateur ihendutse ishingiye kuri stabilisateur kugirango bagabanye ibiciro, gusa babonye igipimo cyibicuruzwa cyavuye kuri 5% kigera kuri 18% (firime yakomeje gucika mugihe cyo kuyikuramo) kandi umucuruzi ukomeye yanze koherezwa kumuhondo. Gukosora? A.calcium-zinc (Ca-Zn) stabilisateur. Ibipimo by'ibicuruzwa byagabanutse kugera kuri 4%, kandi birinda amafaranga 150.000 $.
Ibyiciro 3 Aho Stabilisateur ikora cyangwa ivunagura firime yawe
Stabilisateur ntabwo ikora rimwe gusa - irinda firime yawe muri buri ntambwe, uhereye kumurongo wo gukuramo kugeza kububiko. Dore uko:
1.Icyiciro cy'umusaruro: Komeza imirongo ikore (kandi ugabanye imyanda)
Igiciro kinini mubikorwa byo kugabanya firime ni igihe cyo hasi. Stabilisateur hamwe namavuta yubatswe agabanya ubushyamirane hagati ya PVC gushonga no gukuramo bipfa, birinda "gelling" (resin clumpy resin ifunga imashini).
•Mugabanye igihe cyo guhindura 20% (gusukura gake kurasa-bipfuye)
•Kugabanya ibipimo bisakaye - stabilisateur nziza itanga uburebure buhoraho, kugirango udaterera imizingo idahwanye.
•Kongera umuvuduko wumurongo: Bimwe mubikorwa-byo hejuruCa-Znkuvanga reka imirongo ikore 10-15% byihuse utitanze ubuziranenge
2.Icyiciro cyo gusaba: Menya neza ko Kugabanuka (Ntakindi Gipakira)
Ntakintu kibabaza abafite ibicuruzwa nka firime ya firime igabanuka ahantu hamwe cyangwa ikurura cyane ahandi. Stabilisateur igenzura uburyo molekile ya PVC iruhuka mugihe cyo gushyushya, ikemeza:
•Kugabanuka kamwe (50-70% mubyerekezo byimashini, kurwego rwinganda)
•Nta "ijosi" (ibibanza bito bitanyagura iyo bipfunyitse ibintu byinshi)
•Guhuza amasoko atandukanye yubushyuhe (tunel yumuyaga ushyushye nimbunda zintoki)
3.Icyiciro cyububiko: Komeza Filime isa neza (Birebire)
Ndetse na firime nziza yo kugabanuka irananirana niba ishaje nabi. UV stabilisateur ikorana na stabilisateur yumuriro kugirango ibuze urumuri rumena PVC, mugihe antioxydants itinda okiside. Igisubizo?
•30% igihe kirekire cyo kuramba kuri firime zibitswe hafi ya Windows cyangwa mububiko bushyushye
•Nta muhondo-ingenzi kubicuruzwa bihebuje (tekereza kwisiga cyangwa inzoga zubukorikori)
•Kwizirika kumurongo: Filime itajegajega ntizatakaza "gukomera" kubicuruzwa mugihe runaka
Ibirango binini by'amakosa akora: Guhitamo Stabilisateur kubiciro, ntabwo byubahirizwa
Amabwiriza ntabwo ari kaseti itukura gusa - ntabwo iganirwaho kugirango igere ku isoko. Nyamara abayikora benshi baracyahitamo ibintu bihendutse, bidakurikiza stabilisateur, gusa bahura nibyangwa bihenze:
• Umuryango w'ubumwe bw’ibihugu by’Uburayi:Kuva mu 2025, gurş na kadmium mubipfunyika bya PVC birabujijwe (nta rwego rushobora kwemerwa).
• Amategeko ya FDA:Kuri firime ihuza ibiryo (urugero, gupfunyika amacupa yamazi), stabilisateur igomba guhura na 21 CFR Igice cya 177 - kwimuka mubiryo ntibishobora kurenga 0.1 mg / kg. Gukoresha stabilisateur yo mu rwego rwinganda hano bishobora guhanishwa ihazabu ya FDA.
• Ubushinwa's Ibipimo bishya:Gahunda ya 14 yimyaka itanu itegeka 90% ya stabilisateur yuburozi gusimburwa na 2025.Abakora inganda zaho ubu bashyira imbere kuvanga Ca-Zn kugirango birinde ibihano.
Igisubizo? Hagarika kureba stabilisateur nkikigo cyigiciro.Ca-Zn stabilisateurirashobora kugura 10-15% kuruta amahitamo ashingiye ku kuyobora, ariko ikuraho ingaruka zo kubahiriza no kugabanya imyanda - kuzigama amafaranga mugihe kirekire.
Nigute ushobora gutoranya neza
Ntukeneye impamyabumenyi ya chimie kugirango uhitemo stabilisateur. Subiza gusa ibi bibazo 4:
▼ Niki's ibicuruzwa byanyuma?
Gupakira ibiryo:FDA yubahiriza Ca-Zn
• Ibicuruzwa byo hanze (urugero, ibikoresho byo mu busitani):Ongeramo UV stabilisateur
• Gupfunyika ibintu biremereye (urugero, pallets):Imashini-ikomeye-imbaraga zivanze
▼ Umurongo wawe wihuta gute?
• Imirongo gahoro (munsi ya 100 m / min):Shingiro Ca-Zn ikora
• Imirongo yihuse (150+ m / min):Hitamo stabilisateur hamwe namavuta yinyongera kugirango wirinde guterana amagambo.
▼ Ukoresha PVC itunganijwe neza?
• Ibicuruzwa nyuma yumuguzi (PCR) bikenera stabilisateur hamwe nubushyuhe bwo hejuru bwumuriro - reba ibirango bya "PCR-bihuye".
▼ Niki's intego yawe irambye?
• Bio-stabilisateur ishingiye kuri bio (ikozwe mu mavuta ya soya cyangwa rosine) ifite 30% munsi ya karubone ikirenge kandi ikora neza kubidukikije.
Stabilisateur Nibanga Rigenzura Ryiza
Umunsi urangiye, kugabanya firime nibyiza gusa nka stabilisateur yayo. Amahitamo ahendutse, atujuje ibisabwa arashobora kuzigama amafaranga imbere, ariko bizagutwara ibicuruzwa, wanze kohereza, kandi watakaje ikizere. Stabilisateur iburyo-mubisanzwe ivangwa rya Ca-Zn ijyanye nibyo ukeneye - ituma imirongo ikora, ibipapuro bisa neza, nabakiriya bishimye.
Niba urimo guhangana nigipimo kinini, kugabanuka kutaringaniye, cyangwa guhangayikishwa no kubahiriza, tangira hamwe na stabilisateur yawe. Akenshi nikosora wabuze.
Igihe cyo kohereza: Nzeri-28-2025