Hydroxypropyl methylcellulose bụ ether cellulose na-abụghị ionic nke sitere na cellulose polymer eke sitere na usoro nke usoro kemịkal. Ha bụ ụdị nke enweghị isi, enweghị isi, ntụ ntụ na-adịghị egbu egbu, nke na-aza na mmiri oyi ma na-akpọ ngwọta colloidal doro anya ma ọ bụ dị ntakịrị. Ọ nwere ihe onwunwe nke ndim, njide, na-achụsasị, emulsifying, film-akpụ, suspending, adsorbing, gelling, elu-arụ ọrụ, ịnọgide na-enwe mmiri mmiri na-echebe colloid.
Ezigbo hydroxypropyl methylcellulose nwere ike dozie nsogbu nke njigide mmiri n'okpuru okpomọkụ dị elu. N'oge okpomọkụ dị elu, karịsịa na ebe ọkụ na nke akọrọ na ihe na-ewu ụlọ na-egbuke egbuke n'akụkụ anwụ na-acha, a chọrọ HPMC hydroxypropyl methylcellulose dị elu iji meziwanye njide mmiri nke slurry.
Hydroxypropyl methylcellulose dị elu nwere ezigbo otu. A na-ekesa methoxy na hydroxypropoxy otu ya n'otu n'otu n'akụkụ eriri molekụla cellulose, nke nwere ike ịkwalite atom oxygen na njikọ hydroxyl na ether na njikọ mmiri. Ikike ijikọ na imepụta njikọ hydrogen na-atụgharị mmiri efu ka ọ bụrụ mmiri a kpara akpa, si otú a na-achịkwa ikuku mmiri nke ọma nke ihu igwe dị elu na-ebute ma nweta njigide mmiri dị elu.
Oge nzipu: Mee-17-2023