Focus on Cellulose ethers

Ni irihe tandukaniro riri hagati ya HEC na HEMC?

Ni irihe tandukaniro riri hagati ya HEC na HEMC?

HEC (Hydroxyethyl Cellulose) na HEMC (Hydroxyethyl Methyl Cellulose) byombi ni polymer yimvange ikomoka kuri selile, mubisanzwe polysaccharide iboneka mubihingwa.Byombi bikoreshwa nkibibyimbye, stabilisateur, na emulisiferi mubicuruzwa bitandukanye, birimo amarangi hamwe nudusanduku, ibiryo, imiti, amavuta yo kwisiga, hamwe ninganda zikoreshwa mu nganda.

Itandukaniro nyamukuru hagati ya HEC na HEMC riri mumiterere yimiti yabo.HEC ni inkomoko ya selile idafite ionic, mugihe HEMC ikomoka kuri ionic selile.HEC igizwe nitsinda rimwe rya hydroxyethyl ifatanye numugongo wa selile, mugihe HEMC igizwe nitsinda rya hydroxyethyl ryometse kumugongo wa selile.

HEC ni polymer yamashanyarazi ikoreshwa nkumubyimba mubicuruzwa bitandukanye, birimo amarangi & coatings, ibiryo, imiti, hamwe no kwisiga.Ikoreshwa mukwongera ubwiza bwibicuruzwa, kunoza ituze, no gutanga neza.Irakoreshwa kandi nka emulifier kugirango ifashe kurinda ibintu gutandukana.

HEMC kandi ni polymer-eruber polymer ikoreshwa nkigikoresho cyo kubyimba.Ikoreshwa mubicuruzwa bitandukanye, birimo ubwubatsi, ibiryo, imiti, no kwisiga.Ikoreshwa mukwongera ubwiza bwibicuruzwa, kunoza ituze, no gutanga neza.Irakoreshwa kandi nka emulifier kugirango ifashe kurinda ibintu gutandukana.

HEC ikoreshwa cyane mubicuruzwa bisiga irangi no gutwikira, mugihe HEMC ikoreshwa cyane mubwubatsi no kwisiga.HEC ikora neza mukwongera ubwiza bwibicuruzwa kuruta HEMC, kandi irahagaze neza mubisubizo bya acide na alkaline.HEMC ikora neza mugutanga uburyo bworoshye kubicuruzwa kuruta HEC, kandi birahagaze neza mubushyuhe bwinshi.

Muri make, itandukaniro nyamukuru hagati ya HEC na HEMC riri mumiterere yimiti yabo.HEC ni inkomoko ya selile idafite ionic, mugihe HEMC ikomoka kuri ionic selile.HEC ikoreshwa cyane mu gusiga amarangi & gutwika, ibicuruzwa byogajuru, mugihe HEMC ikoreshwa cyane mubwubatsi no kwisiga.HEC ikora neza mukwongera ubwiza bwibicuruzwa, mugihe HEMC ikora neza mugutanga neza.


Igihe cyo kohereza: Gashyantare-09-2023
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