Taulai atu ile Cellulose ethers

Polyvinyl Alcohol PVA2488

Polyvinyl Alcohol PVA 2488

Polyvinyl Alcohol(PVA) 2488 o se vasega faʻapitoa o le PVA, ma o le numera numera e masani ona faʻaalia ai faʻamatalaga patino poʻo uiga o lenei vasega faapitoa. PVA o se polymer synthetic gaosia e le hydrolysis o polyvinyl acetate. PVA 2488, pei o isi togi o le PVA, ua lauiloa mo lona vai-solubility ma ata-fausia meatotino. O nisi nei o vaega taua ma fa'aoga masani e feso'ota'i ma le PVA 2488:

PVA 2488 Uiga:

1. Tulaga ole Hydrolysis:

  • O le tikeri o le hydrolysis i le PVA 2488 e fa'atatau i le maualuga o le polyvinyl acetate na fa'asusuina e fausia ai le polyvinyl alcohol. Eseese togi PVA e mafai ona i ai ni tikeri eseese o le hydrolysis, e afaina ai a latou meatotino.

2. Molecular mamafa:

  • O le PVA 2488 atonu e iai se mamafa mole mole, e a'afia ai lona viscosity ma le mafai ona fai ata.

3. Tulaga Faaletino:

  • PVA 2488 e masani ona maua i foliga o se pa'epa'e pa'epa'e pa'epa'e.

Talosaga masani:

1. Fa'apipi'i:

  • PVA 2488 e masani ona faʻaaogaina e avea o se vaega autu i mea faʻapipiʻi eseese, e aofia ai faʻapipiʻi laupapa ma pepa faʻapipiʻi. E maua ai le malosi fa'apipi'i lelei ma le fetu'una'i.

2. Fa'avasegaina o ie:

  • I totonu o fale gaosi oloa, PVA 2488 e mafai ona faʻaaogaina i le faʻatulagaina o fua e faʻaleleia ai le malosi ma le faʻaogaina o mea o vulu.

3. Pepa fa'apipi'i:

  • PVA 2488 e mafai ona faʻaaogaina i le pisinisi pepa mo faʻaofuofu, faʻaleleia atili mea i luga ma le mafai ona lolomi pepa.

4. Mea Faufale:

  • E mafai e le PVA 2488 ona maua ni talosaga i totonu o fale faufale, aemaise o se faʻaopoopoga i faʻapipiʻi sima e faʻaleleia ai le pipii ma le fetuutuunai.

5. afifiina:

  • O ata PVA, e aofia ai mea e faʻavae i luga ole PVA 2488, o loʻo faʻaaogaina i totonu ole vai-soluble afifiina talosaga.

6. Talosaga Fa'afoma'i:

  • PVA, i se tulaga lautele, o loʻo faʻaaogaina i talosaga faʻafomaʻi, e aofia ai le gaosiga o totigilima taʻavale ma o se vaega i faʻatonuga faʻamalolo faʻamalosi.

7. Emulsifiers:

  • PVA 2488, faatasi ai ma ona meatotino emulsifying, e mafai ona faʻaaogaina i le gaosiga o emulsions.

Manatu:

1. Fa'amatalaga Fa'apitoa:

  • O le filifiliga o le PVA grade, e aofia ai le PVA 2488, e faʻalagolago i manaoga faʻapitoa o le talosaga faʻamoemoeina. O tikeri eseese o le hydrolysis ma le mamafa mole e ofoina atu suiga i le faatinoga.

2. Fesootaiga:

  • PVA 2488 e masani ona filifilia e faʻavae i luga o lona fetaui ma isi mea i totonu o se faʻatulagaga ma lona gafatia e faʻamalieina tulaga manaʻomia.

3. Fautuaga a le Tagata Fa'atau:

  • O le galulue vavalalata ma le au fa'atau oloa ma le au gaosi oloa e taua tele mo le mauaina o ta'iala ile fa'aoga lelei ole PVA 2488 i fa'asologa eseese. E mafai e le au fa'atau oloa ona tu'uina atu fa'amatalaga ile fa'atulagaina o ta'iala ma le fetaui ma isi mea fa'aopoopo.

I le aotelega, PVA 2488 o se vasega faʻapitoa o le Polyvinyl Alcohol faʻatasi ai ma uiga faʻapitoa e talafeagai mo faʻaoga eseese, aemaise lava i mea faʻapipiʻi, ie, pepa faʻapipiʻi, mea faufale, ma isi mea. Afai e iai sau fa'amatalaga patino po'o se fa'aoga i lou mafaufau, o le tu'uina atu o fa'amatalaga fa'aopoopo e mafai ai ona maua se tali sa'o.

 


Taimi meli: Ian-17-2024
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