Awoodda haysashada biyaha ee hydroxypropyl methylcellulose waxay ku xiran tahay heerka hydroxypropyl. Xaaladahaas oo kale, awoodda haysashada biyaha ee hydroxypropyl methylcellulose sare ayaa ka xoog badan, heerka methoxy ee isla hydroxypropyl-kana si habboon ayaa loo dhimaa. . Inta uu le'eg yahay heerka hydroxypropyl methylcellulose, ayaa sii kordheysa heerka viscosity-giisa, marka marka aad dooranayso badeecad, waa inaad doorataa badeecada ku habboon iyadoo loo eegayo ujeeddada badeecada.
Heerkulka iyo arrimo kale ayaa saameyn ku leh haysashada biyaha ee hydroxypropyl methylcellulose.
Heerkulka jelka kulaylka:
Cellulose ether HPMC waxay leedahay heerkul sare oo jelting kuleyl ah iyo haynta biyaha oo wanaagsan; lidkeeda, waxay leedahay haynta biyaha oo liidata.
Dheef-dhabarta cellulose ether HPMC:
Marka uu kordho viscosity-ga HPMC, lisidda biyuhu sidoo kale way korodhaa; marka viscosity-gu uu kordho ilaa xad, kororka lisidda biyuhu wuu yaraadaa.
Cellulose ether HPMC isku mid ah:
HPMC waxay leedahay falcelin isku mid ah, qaybin isku mid ah oo methoxyl iyo hydroxypropoxyl ah, waxayna leedahay haynta biyaha oo wanaagsan.
Qiyaasta Cellulose ether HPMC:
Inta badan qiyaasta la qaato, heerka haynta biyaha ayaa sarreeya, saameynta haynta biyahana way sii caddahay.
Marka lacagta lagu daray ay tahay 0.25 ~ 0.6%, heerka haynta biyuhu si dhakhso ah ayuu u kordhaa marka tirada lagu daray ay korodho; marka lacagta lagu daray ay sii korodho, isbeddelka kororka ee heerka haynta biyuhu wuu hoos u dhacaa.
Marka la soo koobo, haysashada biyaha ee HPMC waxay la xiriirtaa arrimo ay ka mid yihiin heerkulka iyo viscosity-ga, haysashada biyuhuna waxay la xiriirtaa xaddiga hydroxypropyl methylcellulose ee lagu daray. Marka xaddiga hydroxypropyl methylcellulose uu gaaro qiimo gaar ah, waxqabadkiisa haysashada biyaha wuxuu gaaraa dheelitir.
Waqtiga boostada: Febraayo-23-2023