Hydroxypropyl methylcellulose ether (HPMC) waxay leedahay haynta biyaha iyo saamaynta dhumucyada ee hoobiye sibidhka iyo gypsum-ku salaysan hoobiye, oo si macquul ah u hagaajin kara adhesion iyo caabbinta toosan ee hoobiye.
Waxyaabaha ay ka midka yihiin heerkulka gaaska, heerkulka, iyo heerka cadaadiska gaaska ayaa wax u dhimaya heerka uumiga biyaha ee hoobiyeyaasha sibidhka iyo alaabta gypsum-ku salaysan. Sidaa darteed, isla wadarta wadarta guud ee hydroxypropyl methylcellulose ether (HPMC) ee ganacsiga lagu daray si loo ilaaliyo helitaanka biyaha way kala duwan tahay xilli ilaa xilli.
Markaad shubto shubka, saameynta qufulka biyaha ayaa lagu hagaajin karaa iyadoo loo eegayo kororka ama hoos u dhaca heerka socodka sare. Heerka qufulka biyaha ee ether-ka hydroxypropyl methylcellulose ee heerkulka sare waa qiimaha tusaha muhiimka ah ee lagu kala saaro tayada hydroxypropyl methylcellulose ether.
Alaabooyinka hydroxypropyl methylcellulose ether (HPMC) oo tayadoodu sarreyso ayaa si macquul ah u xamili kara dhibaatada qufulka heerkulka sare ee biyaha. Xilliyada heerkulka sare, gaar ahaan meelaha kulul iyo qoyan iyo dhismayaasha injineernimada chromatography, waxaa lagama maarmaan ah in la isticmaalo tayada sare ee hydroxypropyl methylcellulose ether (HPMC) si loo hagaajiyo milanka biyaha ee slurry.
Qaybta tayada sare leh ee hydroxypropyl methylcellulose ether (HPMC) waa mid aad u lebbisan, iyo methoxy iyo kooxaha hydroxypropyl si siman ayaa loogu qaybiyaa silsiladda qaabdhismeedka molecular ee methyl cellulose, taas oo kor u qaadi karta jiilka molecules oksijiinta ee hydroxyl iyo ether bonds. Awoodda curaarta covalent si ay u shaqeyso.
Waxay si macquul ah u xakameyn kartaa uumiga biyaha ee ay sababto cimilada kulul waxayna gaari kartaa saameynta dhabta ah ee qufulka biyaha sare. Hydroxypropyl Methylcellulose Ether (HPMC) oo tayadeedu sareyso ayaa laga helaa hoobiyeyaal isku dhafan iyo malaastaan farshaxanno paris ah.
Dhammaan qaybaha adag ayaa la duubay si ay u sameeyaan filim qoyan. Biyaha caadiga ah si tartiib tartiib ah ayaa loo sii daayaa muddo dheer waxayna maraan falcelinta xinjirowga oo leh walxo aan dabiici ahayn iyo walxaha kolajka si loo hubiyo isku-xidhka xoogga cadaadiska iyo xoogga xajinta.
Sidaa darteed, goobaha dhismaha ee heerkulka sare ee xagaaga, si loo gaaro saameynta dhabta ah ee biyaha lagu badbaadiyo, dadku waa inay ku daraan tayada sare ee hydroxypropyl methylcellulose ether (HPMC) sida waafaqsan habka qarsoodiga ah, haddii kale waxay noqon doonaan biyo yaraan sababtoo ah biyo yaraan. Arrimaha tayada wax soo saarka sida adkeynta, hoos u dhigidda xoogga cadaadiska, dildilaaca, hawada hawada, iwm. waxay keenaan qallajin xad dhaaf ah.
Tani waxay sidoo kale kordhinaysaa dhibka dhismaha ee shaqaalaha. Marka heerkulku hoos u dhaco, qadarka lagu daray ee hydroxypropyl methylcellulose ether (HPMC) ayaa si tartiib tartiib ah hoos ugu dhacaya si loo gaaro qoyaan isku mid ah.
Waqtiga boostada: Feb-06-2024