Qorshaha guud ee saamaynta codsiga ee HPMC waa sida soo socota:
Tamarta firfircoonida ee falcelinta tallaabadan waa la dhimay, halka dareeraha falcelinta falcelinta la wanaajiyey, iyo cilladda dhalidda hoose ee falcelinta methylation ee habka asalka ah waa la xalliyaa. Tusaale ahaan, iyada oo loo marayo cilmi-baarista iyo codsiga reactor wejiga adag, qaybaha hydroxypropyl methylcellulose phthalate ayaa la sameeyay.
Mid waa in la noqdo kaaliyaha waxtarka leh, hagaajinta wax-soo-saarka falcelinta, oo la xakameeyo jiilka falcelinta dhinaceeda.
Marka labaad, sida kicinta, HPMC waxaa loo isticmaalaa kicin wax ku ool ah si loo hagaajiyo nadiifnimada falcelinta iyo dhalidda falcelinta, si dhalidda falcelinta loo kordhiyo ilaa 98%. Heerka isticmaalka alaabta ceeriin ayaa la kordhiyaa ilaa 95% iyada oo loo marayo isticmaalka hydroxypropyl methyl cellulose sida wakiilka caawiye, kaas oo dammaanad qaadaya diyaarinta hydroxypropyl methyl cellulose phthalate oo ka hortagaysa agglomeration u dhexeeya qayb ka mid ah habka daaweynta ka dib.
Midda saddexaad waa in la xalliyo dhibaatada wax-soo-saarka hooseeya ee habka asalka ah. Tijaabada wakiilku waa in la yareeyo isticmaalka unugga fiber suufka ceeriin laga bilaabo 1.05t/t ee habka asalka ah ilaa 0.94t/t inta lagu jiro falcelinta phthalic acid. Haraaga dareeraha acetic acid waa laga saari karaa. Wax-soo-saarka tillaabadan ayaa la kordhiyey 95%.
Youngcel HPMC/MHEC waxaa si weyn loo isticmaalaa sida wakiilka Kaaliyaha Kiimikada ee Tile koollada, Plaster sibidhka, Hoobiye qaska qalalan, darbiga derbiga, Dahaarka, saabuunta iyo wixii la mid ah.Oo waxaan ku siin karnaa qiimaha ugu hooseeya iyo tayada ugu fiican.
Alaabtayadu waxay caan ku yihiin Masar, Ruushka, Koonfur Afrika, Bariga Dhexe, Turkiga, Vietnam, Faransiiska, Talyaaniga, Singapore, Bangladesh, Indonesia, Koonfurta Ameerika iyo wixii la mid ah. Waad ku mahadsan tahay hore oo ku soo dhowow inaad la xiriirto.
Waqtiga boostada: Oct-19-2022