otu esi ahọrọ Hydroxypropyl methylcellulose?

Hydroxypropyl methylcellulosebụ ihe eji eme ihe n'ọtụtụ ebe. Karịsịa na ojiji nke putty ntụ ntụ. Enwere ọtụtụ ngwaahịa ngwaahịa dị ka: nguzogide nnu, ọrụ elu, gelation thermal, nkwụsi ike PH, njigide mmiri, adhesion, wdg. Otú ọ dị, hydroxypropyl methylcellulose na-adịkarị mfe maka nsogbu ụfọdụ. Enwere ihe atọ kpatara nsogbu ndị a:

1. Ojiji nke hydroxypropyl methylcellulose

2, bụ ọnụ ọgụgụ isi ihe

3. Ọ bụ ngwakọta ezi uche nke ndị na-ejuputa na usoro

Dịka ọmụmaatụ, a na-eji ụdị viscosity nke hydroxypropyl methylcellulose eme ihe n'ụzọ na-ekwesịghị ekwesị, ọnụ ọgụgụ nke isi ihe dị ukwuu, ihe na-edozi ahụ dị oke mma, wdg ruo mgbe a na-ewere usoro nchịkwa maka ihe kpatara ya, dị ka iji hydroxypropyl methylcellulose ziri ezi na ụdị viscosity nke 100,000 ngwaahịa, ekwesịghị ịbụ ihe na-erughị 5 kg na doses. mmanya polyvinyl ntụ ntụ ekwesịghị ịdị oke, ọ bụghị karịa 6%. Ịdị mma nchacha n'ozuzu na-eji 325 mesh ihe eji eme ihe, na mgbe ọ gafere 600 mesh, a ga-emetụta arụmọrụ ihe owuwu ahụ. Rịba ama na ọnọdụ dị n'elu kwesịrị idozi nsogbu nke nchacha batch na-adịghị mma.