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Ni izihe mpamvu zitera umuhondo wa plastike ya PVC?

Reba: 42     Umwanditsi: Muhinduzi wurubuga Gutangaza Igihe: 2022-01-05 Inkomoko: Urubuga

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Ni izihe mpamvu zitera umuhondo wa plastike ya PVC?


Umuhondo wa plastiki bivuga urunigi rw'urunigi rumeze nk'urunigi rumeze nk'urunigi rwa polymer ruvunika munsi y'ubushyuhe bwinshi, ibidukikije bya okiside, cyangwa bitewe na ultraviolet, infragre, na mikorobe, bikurura ubwisanzure bukabije.

Umuhondo usanzwe wa plastiki urimo ahanini ibi bikurikira:

1. Imirasire ya ultraviolet

Umucyo urabagiranwa n'izuba kugeza ku kirere cyo hanze ni umurongo uhoraho ufite uburebure bwa 0.7-3000nm, muri yo imirasire ya ultraviolet 300-400nm niyo ntandaro yo kwangirika kwa polymer. Kandi ingufu za fotone ziri muri ultraviolet zingana na 290-400nm ni 300-419kJ / E, ikaba isumba ingufu zingirakamaro za bimwe mubisanzwe bihuza imiti muri polymers.


2. Ingaruka zo guhagarika ubushyuhe

Ubushyuhe butandukanye butandukanye bugira ingaruka zitandukanye kumucyo wa PVC.

Ba / Cd hamwe na karubasi ya karubasi ya organotine (nka malic anhydride ester organotin stabilisateur) irashobora gutanga urugero runaka rwumutekano wa UV kumwirondoro wa PVC ukoreshwa hanze, mugihe ibinyabuzima birimo sulfure birimo ibinyabuzima (nka sulfure Alcool organique tin stabilisateur) bitanga urumuri ruke. Ituze ryumucyo wa di-umunyu wa stabilisateur irenze iy'umunyu wa tri-umunyu.


3. Ingaruka za sisitemu ya antioxydeant

Kugeza ubu, stabilisateur ikoreshwa naba PVC bakora umwirondoro ahanini igizwe na stabilisateur. Usibye ibice nyamukuru bikomeza kwangirika kwa PVC, harimo na sisitemu yo gusiga amavuta, sisitemu ya antioxydeant hamwe nubundi buryo butajegajega.

Sisitemu ya antioxydeant irashobora kuba irimo stabilisateur ya fenolike hamwe na fosifite co-stabilisateur. Ibi bikoresho bishobora kuba birimo umwanda w’ibara ryoroshye, kandi byongeye, birashobora guhinduka muburyo bwumucyo, urumuri, ogisijeni, namazi.


白板 -51

Urupapuro rwa 3mm pvc

60 -60

10mm pvc ikibaho

160A0144

7mm pvc ikibaho

160A0119

5mm pvc ikibaho


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