Focus on Cellulose ethers

Ko wai te kaihanga o te hydroxyethylcellulose?

Ko wai te kaihanga o te hydroxyethylcellulose?

Ko te Hydroxyethylcellulose (HEC) he polymer waihanga e whakamahia ana i roto i nga momo ahumahi mo nga kaupapa rereke.He polymer kore-ionic, he wai-wairewa i ahu mai i te cellulose, a ka whakamahia hei maatete whakakaha, hei whakaemi, hei whakapumau, hei kaiwhakarewa.

He mea hanga a HEC e nga momo kamupene, tae atu ki a Dow Chemical, BASF, Ashland, AkzoNobel, me Clariant.Ko Dow Chemical tetahi o nga kaihanga nui rawa atu o HEC, me te whakaputa i nga momo tohu HEC, tae atu ki nga tohu Dowfax me Natrosol.Ka hangaia e te BASF te tohu Cellosize o HEC, ko Ashland te tohu Aqualon.Ka hangaia e AkzoNobel nga tohu Aqualon me Aquasol o HEC, a na Clariant te tohu Mowiol.

Ka whakaputahia e ia kamupene he momo reanga HEC, he rereke i runga i te taumaha o te ngota, te pokey me etahi atu taonga.Ko te taumaha ngota o te HEC ka taea mai i te 100,000 ki te 1,000,000, me te viscosity ka taea mai i te 1 ki te 10,000 cps.He rereke ano nga tohu o te HEC i hangaia e ia kamupene i runga i te whakarewatanga, te pumau, me te hototahi ki etahi atu kai.

I tua atu i nga kaihanga nui o HEC, he maha ano nga kamupene iti e whakaputa ana i te HEC.Ko enei kamupene ko Lubrizol, meKima Chemical.Ka whakaputahia e ia kamupene he momo reanga HEC, he rereke i runga i o raatau rawa.

I roto i te katoa, he maha nga kamupene e whakaputa ana i te HEC, a, ka mahia e ia kamupene nga momo tohu HEC.He rereke nga tohu o te HEC e mahia ana e ia kamupene i runga i te taumaha o te ngota, te pokey, te whakarewatanga, te pumau, me te hototahi ki etahi atu kai.


Wā tuku: Feb-12-2023
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