Kedu ka esi amata ogo HPMC?

vHydroxypropyl methyl cellulose (HPMC)bụ ntụ ntụ ọcha na-enweghị isi, enweghị ụtọ, anaghị egbu egbu. Mgbe agbazechara n'ụzọ zuru ezu na mmiri, hydroxypropyl methyl cellulose ga-etolite a transperent viscous colloid.

▲ Ihe ndị bụ isi nke hydroxypropyl methyl cellulose (HPMC): owu a nụchara anụcha, methyl chloride, propylene oxide, na ihe ndị ọzọ, caustic soda, acid, toluene, isopropanol, wdg.

Ntụle uru na ọghọm dị na hydroxypropyl methyl cellulose:
1.Pure hydroxypropyl methyl cellulose HPMC na-adịghị ahụ anya ma nwee obere njupụta dị nta, na ọnụ ọgụgụ nke 0.3-0.4 / ml.
HPMC nke kwara iko nwere oke mmiri dị mma ma na-enwe mmetụta dị arọ karị, nke dị nnọọ iche na ezigbo ngwaahịa n'ọdịdị.
2.Pure hydroxypropyl methyl cellulose HPMC aqueous ngwọta doro anya, elu ìhè transmittance, mmiri njigide ọnụego> 97%.
Ihe ngwọta mmiri mmiri HPMC emebiela dịtụ unyi, yana ọnụ ọgụgụ njide mmiri siri ike iru 80%.
3.Pure HPMC ekwesịghị isi ísì amonia, starch na alcohols.
HPMC agbagoro nwere ike na-esikarị ụtọ ụdị ụtọ ọ bụla, ọbụlagodi na ọ nweghị ụtọ, ọ ga-adị arọ.
4.Pure hydroxypropyl methyl cellulose HPMC ntụ ntụ bụ fibrous n'okpuru microscope ma ọ bụ nnukwu iko.
Enwere ike ịhụ HPMC agbagoro dị ka granular solids ma ọ bụ kristal n'okpuru microscope ma ọ bụ iko na-ebuli elu.

Site na akụkụ ndị dị aṅaa ka a ga-esi mata uru na ọghọm dị na hydroxypropyl methyl cellulose?
1.ọcha ogo
Ọ bụ ezie na ọcha enweghị ike ikpebi ma HPMC dị mfe iji, ma ọ bụrụ na agbakwunyere ihe ndị na-acha ọcha n'oge usoro mmepụta, ọ ga-emetụta àgwà ya. Otú ọ dị, ọtụtụ n'ime ngwaahịa ndị dị mma nwere ezigbo ọcha.

2.Imma
Ịdị mma nke HPMC n'ozuzu nwere 80 ntupu na 100 ntupu, na mma mma, n'ozuzu na-ekwu, ka mma.
3.Transmittance
Tinyehydroxypropyl methyl cellulose (HPMC)banye na mmiri iji mepụta colloid transperent, ma lelee nnyefe ọkụ ya. Ihe dị elu na-ebufe ọkụ, nke ka mma, na-egosi na ọ dị obere ihe ndị na-adịghị edozi ya. The permeability nke vetikal reactors bụ n'ozuzu ezi, mgbe nke kehoraizin reactors ka njọ.

4. Oke
Ka nnukwu ike ndọda a kapịrị ọnụ, ka ịdị arọ ka mma. Ihe a kapịrị ọnụ bụ nnukwu, n'ozuzu n'ihi na ọdịnaya nke hydroxypropyl otu dị na ya dị elu, na ọdịnaya nke hydroxypropyl otu dị elu, njide mmiri dị mma.