Hydroxypropyl methylcellulose ether (HPMC) waxay leedahay saameyn ku haynta biyaha iyo dhumucda hoobiyaha sibidhka iyo hoobiyaha ku salaysan gypsum, waxayna si macquul ah u hagaajin kartaa isku dhejinta iyo iska caabbinta toosan ee hoobiyaha.
Arrimaha sida heerkulka gaaska, heerkulka, iyo heerka cadaadiska gaaska ayaa waxyeello u geysta heerka uumiga biyaha ee hoobiyaha sibidhka iyo alaabada ku salaysan gypsum-ka. Sidaa darteed, wadarta guud ee isku midka ah ee hydroxypropyl methylcellulose ether (HPMC) ee lagu daray si loo ilaaliyo helitaanka biyaha way kala duwan tahay xilli ilaa xilli.
Marka la shubayo shubka, saameynta qufulka biyaha waxaa lagu hagaajin karaa iyadoo loo eegayo kororka ama hoos u dhaca heerka socodka sare. Heerka qufulka biyaha ee hydroxypropyl methylcellulose ether heerkulka sare waa qiime tilmaameed muhiim ah si loo kala saaro tayada hydroxypropyl methylcellulose ether.
Badeecadaha tayo sare leh ee hydroxypropyl methylcellulose ether (HPMC) ayaa si macquul ah u xallin kara dhibaatada qufulka biyaha heerkulka sare leh. Xilliyada heerkulka sare, gaar ahaan meelaha kulul iyo qoyan iyo dhismayaasha injineernimada koromatografiga, waxaa lagama maarmaan ah in la isticmaalo hydroxypropyl methylcellulose ether (HPMC) oo tayo sare leh si loo hagaajiyo milmida biyaha ee slurry-ka.
Saamiga hydroxypropyl methylcellulose ether (HPMC) ee tayada sare leh waa mid aad u siman, kooxaha methoxy iyo hydroxypropyl-na si siman ayay ugu qaybsamaan silsiladda qaab-dhismeedka molecular-ka ee methyl cellulose, taas oo kor u qaadi karta soo saarista molecules oksijiin ah oo ku jira xidhmooyinka hydroxyl iyo ether. Awoodda xidhmooyinka covalent inay shaqeeyaan.
Waxay si macquul ah u xakamayn kartaa uumiga biyaha ay keento cimilada kulul waxayna gaari kartaa saameynta dhabta ah ee qufulka biyaha oo sareeya. Hydroxypropyl Methylcellulose Ether (HPMC) oo tayo sare leh ayaa laga helaa madaafiic isku dhafan iyo malaas farshaxan oo paris ah.
Dhammaan walxaha adag waa la isku duubay si ay u sameeyaan filim qoyan. Biyaha caadiga ah si tartiib ah ayaa loo sii daayaa muddo dheer waxayna maraan falgal xinjirowga ah oo ay la socdaan walxo aan dabiici ahayn iyo walxaha kolajka si loo hubiyo xoogga isku xirka cadaadiska iyo xoogga jiidista.
Sidaa darteed, goobaha dhismaha heerkulka sare leh xagaaga, si loo gaaro saameynta dhabta ah ee badbaadinta biyaha, dadku waa inay ku daraan alaabada hydroxypropyl methylcellulose ether (HPMC) ee tayada sare leh sida ku xusan habka sirta ah, haddii kale waxay ku yaraan doonaan biyo yaraanta awgeed. Arrimaha tayada badeecadaha sida adkaanta, hoos u dhaca xoogga cadaadiska, dildilaaca, bararka hawada, iwm. waxay keenaan qallajin xad dhaaf ah.
Tani waxay sidoo kale kordhisaa dhibka dhismaha ee shaqaalaha. Marka heerkulku hoos u dhaco, xaddiga lagu daray ee hydroxypropyl methylcellulose ether (HPMC) ayaa si tartiib tartiib ah u yaraada si loo gaaro qoyaan isku mid ah.
Waqtiga boostada: Febraayo-06-2024