Hydroxypropyl methylcellulose imhando ye non-ionic cellulose ether yakagadzirwa ne natural polymer material cellulose kuburikidza nemaitiro akasiyana-siyana emakemikari. Imhando yeupfu huchena husina hwema, husina hwema, husina chepfu, hunozvimba mumvura inotonhora uye hunonzi colloidal solution yakajeka kana ine makore mashoma. Ine hunhu hwekukora, kusunga, kuparadzira, emulsifying, kugadzira firimu, kumisa, kukwiza, gelling, surface active, kuchengetedza hunyoro uye kuchengetedza colloid.
Hydroxypropyl methylcellulose yakanaka kwazvo inogona kugadzirisa dambudziko rekuchengetedza mvura zvakanaka kana tembiricha yakakwira. Munguva dzekupisa kwakanyanya, kunyanya munzvimbo dzinopisa uye dzakaoma uye dzakatetepa padivi pezuva, HPMC hydroxypropyl methylcellulose yemhando yepamusoro inodiwa kuti ivandudze kuchengetedza mvura muslurry.
Hydroxypropyl methylcellulose yemhando yepamusoro ine hunhu hwakanaka. Mapoka ayo emethoxy nehydroxypropoxy akapararira zvakaenzana pamwe chete ne cellulose molecular chain, izvo zvinogona kuwedzera maatomu eokisijeni ari pa hydroxyl ne ether bonds uye kubatana kwemvura. Kukwanisa kusanganisa nekuumba hydrogen bonds kunoshandura mvura yakasununguka kuita mvura yakasungwa, nokudaro zvichidzora kubuda kwemvura kunokonzerwa nemamiriro ekunze anopisa uye kuwana mvura yakawanda inochengetwa.
Nguva yekutumira: Chivabvu-17-2023