Orukọ kemikali | Methyl Hydroxyethyl Cellulose |
Itumọ | Cellulose ether, 2-hydroxyethyl methyl cellulose, Cellulose, 2-hydroxyethyl methyl ether, hydroxyethyl Methyl cellulose, MHEC, HEMC |
nọmba CAS | 9032-42-2 |
Brand | EipponCell |
Iwọn ọja | MHEC LH 660M |
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 | 24000-36000mPa.s |
Viscosity NDJ 2% ojutu | 48000-72000mPa.S |
Eeru akoonu | O pọju 5.0% |
Iwọn apapo | 99% kọja 100mesh |
HS koodu | 39123900 |
EipponCell MHEC LH 660M methyl hydroxyethyl cellulose jẹ lilo ninu pilasita slurry simenti, ati iki rẹ n pọ si nigbagbogbo.Eto nẹtiwọọki molikula ti cellulose ether intertwines pẹlu eto nẹtiwọọki ti awọn ọja hydration simenti.Ipilẹ hydration akọkọ ti simenti ni aiṣe-taara ji ifọkansi ti ether cellulose, ti o mu abajade “ipa superposition composite” lori iki ti cellulose ether ojutu ati simenti slurry.Nitoribẹẹ, iki ti slurry simenti ti a ṣe atunṣe pẹlu ether cellulose jẹ pataki ti o ga ju iye awọn viscosities kọọkan wọn lọ.
Mejeeji cellulose ether ti a ṣe atunṣe slurry simenti ati slurry simenti mimọ ṣe afihan idinku rirẹ tabi ihuwasi pseudoplastic.Awọn pseudoplasticity ti cellulose ether títúnṣe simenti slurry jẹ kekere akawe si ti o ti funfun simenti slurry.Ni kekere yiyi awọn ošuwọn tabi pẹlu kekere iki ti cellulose ether títúnṣe simenti slurry tabi kekere cellulose ether akoonu, awọn pseudoplasticity ti cellulose ether títúnṣe simenti slurry di diẹ oyè.
Bi iwọn otutu ti n dide, iyara ati iwọn hydration cementi pọ si, ti o yori si ilosoke mimu ni iki ti simenti mimọ.Awọn iki ti títúnṣe simenti lẹẹ, sibẹsibẹ, yatọ pẹlu iwọn otutu nitori awọn ti o yatọ inhibitory agbara ti awọn orisirisi iru ati awọn oye ti cellulose ethers lori simenti hydration.
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