Aha kemịkalụ | Hydroxypropyl Methyl Cellulose |
Ntụpọ | cellulose ether;Hypromellose;Cellulose, 2-hydroxypropyl methyl ether;Hydroxypropyl methyl cellulose;HPMC;MHPC |
Nọmba CAS | 9004-65-3 |
Nọmba EC | 618-389-6 |
Ụdị | EipponCell |
Ọkwa ngwaahịa | HPMC YB 520M |
Solubility | Mmiri Soluble Cellulose Ether |
Ụdị anụ ahụ | Ọcha cellulose ntụ ntụ na-acha ọcha |
Methoxy | 19.0-24.0% |
Hydroxypropoxy | 4.0-12.0% |
Mmiri | Oke.6% |
PH | 4.0-8.0 |
Viscosity Brookfield 2% ngwọta | 10000-20000mPa.s |
Viscosity NDJ 2% ngwọta | 16000-24000 mPa.S |
ntụ ọdịnaya | Kachasị 5.0% |
Ntupu nha | 99% gafere 100 mesh |
Koodu HS | 3912.39 |
EipponCell HPMC YB 520M bụ ihe mgbakwunye bara uru maka ngwa plasta dabere na ciment, na-enye ihe ndị a:
Nkesa dị irè: Mgbe agbazere HPMC n'ime mmiri, ọ na-egosipụta ọrụ elu, na-eme ka otu nkesa simenti dị n'usoro ngwa ngwa.Na-eme dị ka colloid na-echebe, HPMC na-ekpuchi ihe ndị siri ike, na-akpụ oyi akwa n'elu elu ha. oyi akwa a na-arụ ọrụ dị ka ihe nkiri na-ete mmanụ, na-eme ka nkwụsi ike ngwa agha dịkwuo mma, na-eme ka mmiri dị mma n'oge ngwakọta, na-eme ka ọ dị mma.
Njide mmiri: N'ihi usoro ihe omimi ya pụrụ iche, ngwọta HPMC na-enyere aka idobe mmiri n'ime ngwa agha ahụ, jiri nwayọọ nwayọọ na-ahapụ ya ruo ogologo oge . mkpụrụ ahụ .. Mmiri ahụ echekwabara na-anọgide n'elu ihe ọhụrụ ahụ, na-akwalite hydration ciment na n'ikpeazụ na-eme ka ike ikpeazụ nke plasta dịkwuo elu.
Nkwụsi ike na ndakọrịta: HPMC gosipụtara nkwụsi ike na gburugburu acid na alkali .. Ihe ngwọta ya na-anọgide na-adịgide adịgide na pH dị iche iche site na 2 ruo 12. ubé dịkwuo ya viscosity.
Ịrụ ọrụ arụ ọrụ nke ọma: Mgbakwunye HPMC na-eme ka arụ ọrụ nke ngwa agha dịkwuo elu.. Ngwa ngwa na-esi na ya pụta na-egosipụta mmetụta mmanu mmanu, nke a na-akọwakarị dị ka "mmanụ mmanu," nke na-eme ka njupụta nke mgbidi mgbidi zuru ezu, na-eme ka elu ahụ dịkwuo mma, na-akwalite njikọ siri ike n'etiti taịl nile. ma ọ bụ brik na ala oyi akwa.Na mgbakwunye, ọnụnọ nke HPMC na-agbatị oge ọrụ, na-eme ka ọ dabara adaba maka nnukwu ọrụ owuwu.
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