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Auala e Faʻaleleia ai Meatotino PVC - Matafaioi o Faʻaopoopoga.

PVC resin maua mai polymerization e matua le mautu ona o lona mautu vevela maualalo & maualuga liusuavai viscosity.E mana'omia ona toe fa'aleleia a'o le'i fa'againa e avea ma 'oloa ua mae'a.O ona meatotino e mafai ona faʻaleleia / faʻaleleia e ala i le faʻaopoopoina o nisi mea faʻaopoopo, e pei o le vevela, faʻamautu UV, faʻapipiʻi, faʻaleleia o aʻafiaga, faʻatumu, mumu mumu, pigments, ma isi.

O le filifilia o nei mea fa'aopoopo e fa'aleleia atili ai meatotino a polymer e fa'alagolago ile mana'oga fa'ai'uga.Faataitaiga:

1.Plasticizers (Phthalates, Adipates, Trimellitate, ma isi) o loʻo faʻaaogaina e avea ma mea faʻamaluluina e faʻaleleia ai le rheological faʻapea foʻi ma le faʻaogaina o masini (malolosi, malosi) o oloa vinyl e ala i le siitia o le vevela.O a'afiaga e a'afia ai le filifilia o mea fa'a'i'ila mo vinyl polymer o: Polymer compatibility; Low Volatility; tau.

2.PVC e matua maualalo le mautu vevela ma stabilizers fesoasoani e puipuia le faaleagaina o polymer i le faagasologa po o le faʻaalia i le malamalama.Pe a oʻo i le vevela, o vailaʻau vinyl e amata ai le faʻavaveina o le dehydrochlorination faʻavave ma o nei mea faʻamautu e faʻaitiitia ai le HCl na gaosia e faʻaleleia ai le ola o le polymer.O mea e tatau ona mafaufau i ai a'o filifilia le fa'amautu vevela o: mana'oga fa'apitoa; Fa'atagaga fa'atulafono; tau.

3.Fillers e faʻaopoopoina i totonu o le PVC faʻapipiʻi mo mafuaaga eseese.I aso nei, o se fa'atumu e mafai ona avea ma fa'aopoopoga fa'atinoga moni e ala i le tu'uina atu o tau i ni auala fou ma manaia i le tau fa'atauga aupito maualalo.Latou te fesoasoani e: faʻateleina le faʻamalosi ma le malosi, faʻaleleia le faʻatinoga o aʻafiaga, faʻaopoopo lanu, opacity ma conductivity ma sili atu.

Calcium carbonate, titanium dioxide, calcined omea, tioata, talc ma isi mea masani ia o mea faʻatumu e faʻaaogaina i le PVC.

4.O loʻo faʻaaogaina lubricants i fafo e fesoasoani ai i le sologa lelei o le faʻafefeteina o le PVC e ala i meafaigaluega gaosi.a'o lubricants i totonu e faʻaitiitia ai le liusuavai viscosity, puipuia le vevela ma faʻamautinoa le lanu lelei o oloa.

5.O isi faʻaopoopoga e pei o le gaosiga o fesoasoani, suiga o aʻafiaga, ua faʻaopoopoina e faʻaleleia ai masini faʻapea foʻi ma mea o le PVC.


Taimi meli: Tes-13-2022