Orukọ kemikali | Hydroxyethyl Methyl Cellulose |
Itumọ | Cellulose ether, 2-hydroxyethyl methyl cellulose, Cellulose, 2-hydroxyethyl methyl ether, Methyl hydroxyethyl cellulose, HEMC, MHEC |
nọmba CAS | 9032-42-2 |
Brand | EipponCell |
Iwọn ọja | HEMC LH 6000 |
Solubility | Omi Soluble Cellulose ether |
Fọọmu ti ara | Funfun si pa-funfun cellulose lulú |
Ọrinrin | O pọju.6% |
PH | 4.0-8.0 |
Viscosity Brookfield 2% ojutu | 4800-7200mPa.s |
Viscosity NDJ 2% ojutu | 4800-7200mPa.s |
Eeru akoonu | O pọju 5.0% |
Iwọn apapo | 99% kọja 100mesh |
HS koodu | 39123900 |
EipponCell® HEMC LH 6000 Cellulose ether jẹ aropọ to wapọ ti a lo ninu amọ idabobo gbona.Isọpọ rẹ sinu ilana amọ-lile ni ipa akiyesi lori idinku gbigbẹ ti ohun elo naa.O yanilenu, bi akoonu ti hydroxyethyl methylcellulose ṣe n pọ si, idinku gbigbẹ ni ibẹrẹ dinku ati lẹhinna pọ si.Awọn iye isunki ti o kere julọ ati ti o ga julọ ni a ṣe akiyesi ni 2.4% ati akoonu 3%, lẹsẹsẹ.
Bakanna, amọ idabobo igbona inorganic tun ṣe afihan aṣa ti o jọra ni pipadanu pupọ ati idinku gbigbe pẹlu afikun ether cellulose.Pipadanu pipọ dinku ni ibẹrẹ, de ọdọ ti o kere julọ ni akoonu 3%, ṣugbọn lẹhinna pọ si pẹlu awọn ilọsiwaju siwaju sii ti ether cellulose.Ni pataki, pipadanu pipọ ati idinku gbigbẹ ko ni ibatan taara.
Afikun hydroxyethyl methylcellulose daadaa ni ipa lori pinpin iwọn pore ninu amọ idabobo igbona.Awọn oke giga pupọ han ni awọn iwọn pore ni isalẹ 5nm ati 10nm, ti o yori si aṣa ti idinku akọkọ ati lẹhinna pọ si ni awọn iwọn pore ni isalẹ 10nm bi akoonu ether cellulose ṣe pọ si.Nigbati iwọn lilo cellulose ether ba de 3%, iwọn ila opin pore ti o kere ju 10nm ga ju ninu awọn amọ idabobo igbona eleto miiran.
Pẹlupẹlu, akoonu ti cellulose ether ni ipa lori iwọn pore ti o ṣeeṣe julọ, eyiti o ṣe afihan ilana ti npọ sii ati lẹhinna dinku.Kere, awọn iwọn pore ti o ṣeese ṣe deede si awọn iye gbigbe gbigbẹ nla, lakoko ti o tobi julọ awọn iwọn pore ti o ṣeeṣe julọ ni nkan ṣe pẹlu awọn iye idinku gbigbe ti o kere ju.
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