Ihe Ndị Na-emetụta Ịdị Ọcha nke Hydroxypropyl Methyl Cellulose

Ịdị ọcha nke hydroxypropyl methylcellulose na moto mkpuchi ụlọ na ntụ ntụ putty na-emetụta kpọmkwem ogo owuwu injinia, yabụ kedu ihe ndị na-emetụta ịdị ọcha nke hydroxypropyl methylcellulose? Ka m zaa ajụjụ a maka gị.

N'ime usoro mmepụta nke hydroxypropyl methylcellulose, oxygen fọdụrụ n'ime reactor ga-eme ka hydroxypropyl methylcellulose mebie ma belata ibu molekul, mana oxygen fọdụrụ nwere oke, ma ọ bụrụhaala na ọ naghị esiri ike ijikọghachi molekul ndị gbajiri agbaji. Ọkwa mmiri kachasị mkpa nwere ọtụtụ ihe jikọrọ ya na ọdịnaya nke hydroxypropyl. Ụfọdụ ụlọ ọrụ mmepụta ihe chọrọ naanị ibelata ọnụ ahịa na ọnụ ahịa, mana ha achọghị ịbawanye ọdịnaya nke hydroxypropyl, yabụ àgwà ahụ enweghị ike iru ọkwa nke ngwaahịa mba ọzọ yiri ya.

Ọnụọgụ mmiri nke hydroxypropyl methylcellulose nwekwara mmekọrịta dị mma na hydroxypropyl, nakwa maka usoro mmeghachi omume dum, hydroxypropyl na-ekpebikwa ọnụego mmiri nke hydroxypropyl methylcellulose. Mmetụta nke alkalization, oke nke methyl chloride na propylene oxide, mkpokọta nke alkali na oke nke mmiri na owu a nụchara anụcha niile na-ekpebi arụmọrụ nke ngwaahịa ahụ.

Ọdịdị nke ihe ndị e ji arụ ọrụ, mmetụta nke alkalization, njikwa nha nke usoro ahụ, oke nke ihe mgbaze na mmetụta nke neutralization niile na-ekpebi ịdị mma nke hydroxypropyl methylcellulose, a na-emekwa ka ụfọdụ hydroxypropyl methylcellulose gbazee. Mgbe nke ahụ gasịrị, ọ dị ka igwe ojii dị ka ịgbakwunye mmiri ara ehi, ụfọdụ dị ka mmiri ara ehi ọcha, ụfọdụ na-acha odo odo, ụfọdụ dịkwa ọcha ma doo anya. Ọ bụrụ na ịchọrọ idozi ya, gbanwee site na isi ihe ndị dị n'elu. Mgbe ụfọdụ acetic acid nwere ike imetụta nnyefe ìhè nke ukwuu. Ọ kacha mma iji acetic acid mgbe a gwakọtara ya. Mmetụta kachasị bụ ma a na-akpali mmeghachi omume ahụ nke ọma na ma usoro ahụ ọ kwụsiri ike (ụfọdụ ihe nwere mmiri mmiri na ọdịnaya ahụ adịghị akwụsi ike, dị ka ihe mgbaze imegharị ihe). N'ezie, ọtụtụ ihe dị mkpa. Site na nkwụsi ike nke akụrụngwa na ọrụ nke ndị ọrụ a zụrụ nke ọma, ngwaahịa ndị a rụpụtara kwesịrị ịdịgide nke ọma. Mgbasa ọkụ agaghị agafe oke nke ±2%, a ga-ejikwa nhazi nnọchi nke otu ndị nnọchi anya nke ọma. Kama ịdị otu, nnyefe ìhè ga-adị mma n'ezie.