Orukọ kemikali | Hydroxypropyl Methyl Cellulose |
Itumọ | Cellulose ether;Hypromellose;Cellulose, 2-hydroxypropyl methyl ether;Hydroxypropyl methyl cellulose;HPMC;MHPC |
nọmba CAS | 9004-65-3 |
Nọmba EC | 618-389-6 |
Brand | EipponCell |
Iwọn ọja | HPMC YB 515M |
Solubility | Omi Soluble Cellulose Eteri |
Fọọmu ti ara | Funfun si pa-funfun cellulose lulú |
Methoxy | 19.0-24.0% |
Hydroxypropoxy | 4.0-12.0% |
Ọrinrin | O pọju.6% |
PH | 4.0-8.0 |
Viscosity Brookfield 2% ojutu | 12000-18000 mPa.s |
Viscosity NDJ 2% ojutu | 12000-18000 mPa.S |
Eeru akoonu | O pọju 5.0% |
Iwọn apapo | 99% kọja 100 apapo |
HS koodu | 3912.39 |
EipponCell HPMC YB 515M, apẹrẹ pataki fun awọn ohun elo alemora tile boṣewa, ni awọn ohun-ini wọnyi:
Nigbati lulú latex ati cellulose ether HPMC wa ninu amọ tutu, RDP lulú ṣe afihan agbara isunmọ ti o lagbara pẹlu ọja hydration cement, lakoko ti ether cellulose ni akọkọ yoo ni ipa lori ito interstitial, ti o ni ipa lori iki ati ṣeto akoko amọ-lile.
RDP lulú ṣe afihan asomọ imudara si awọn ọja hydration simenti, lakoko ti ether cellulose ni akọkọ yoo ni ipa lori ito interstitial, ti o ni ipa iki amọ ati ṣeto akoko.
Ibaṣepọ ti latex lulú ati cellulosic ether HPMC ni amọ tutu kan ni ipa lori awọn ohun-ini ti amọ-lile, pẹlu RDP lulú ti o ni agbara abuda ti o tobi ju ati ether cellulosic ti o ni ipa lori viscosity ati eto akoko nipasẹ wiwa rẹ ninu ito interstitial.
Cellulose ether ninu amọ-lile kii ṣe pese awọn ohun-ini anfani nikan, ṣugbọn tun ṣe idaduro awọn adaṣe hydration ti simenti nipasẹ adsorbing sori ọja ti o ni omi dipo ti ipele nkan ti o wa ni erupe ile atilẹba.Ipa idaduro yii ni a sọ si iṣipopada ti o dinku ti awọn ions ni ojutu pore nitori iki ti o pọ si ti o ṣẹlẹ nipasẹ ether cellulose.
Iwaju ether cellulose ninu awọn ọna ẹrọ simenti ṣe idaduro awọn kinetics hydration nipasẹ adsorbing ọja ti o ni omi ti o ni omi dipo apakan ti nkan ti o wa ni erupe ile atilẹba, lakoko ti o tun npọ si iki ti ojutu pore, nitorina dinku iṣipopada ion ati siwaju sii fa fifalẹ ilana hydration.
Ipa idaduro cellulose ether lori hydration simenti jẹ nipataki nipasẹ adsorption rẹ si ọja ti o ni omi ati ilosoke ti o tẹle ni iki ti ojutu pore, eyiti o ṣe idiwọ iṣipopada ion ati idaduro awọn agbara hydration gbogbogbo.
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