HPMC imatha kugawidwa mu kalasi yomanga, chakudya kalasi yam'madzi komanso kalasi yofananira malinga ndi cholinga. Pakadali pano, zinthu zambiri zapakhomo ndizomanga zamagulu, komanso m'gulu lomanga, kuchuluka kwa ufa wa putty ndi waukulu kwambiri. Sakanizani ufa wa hpmc wokhala ndi zinthu zingapo za ufa madzi. adzasungunuka nthawi yomweyo. Opanga ufa ndi opanga matope makamaka amagwiritsa ntchito njirayi. Hydroxypypyl methylcellulose (hpmc) imagwiritsidwa ntchito ngati thickener ndi wosunga madzi mu matope a ufa.
Kutentha kwa gel Madzi ozizira amtundu wa HPMC amathandizidwa ndi glyloxal, ndipo amabalalitsa msanga m'madzi ozizira, koma sikusungunuka. Zimangosungunuka pomwe mafayilo akuwonjezeka. Mitundu yotentha yotentha siyikupezeka ndi glyloxal. Ngati kuchuluka kwa Glyloxal ndi kwakukulu, kubalaku udzathamanga, koma mafanowo adzakulira pang'ono, ndipo ngati ndalamazo ndizochepa, sizowona. HPMC ikhoza kugawidwa mu mtundu wa anthu wamba komanso wotentha. Mtundu wazogulitsa nthawi yomweyo umabalalika mwachangu m'madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwo alibe mafakisoni chifukwa HPMC imangomwazika m'madzi popanda kusinthika kwenikweni. Pafupifupi mphindi ziwiri, mafayilo amadzimadzi pang'onopang'ono amawonjezeka, ndikupanga mafilimu owonekera. Zogulitsa zosungunuka, zikakumana ndi madzi ozizira, zimatha kufalitsa msanga m'madzi otentha ndikuzimiririka m'madzi otentha. Kutentha kukagwa mpaka kutentha kwinakwake, mafayilo amawoneka pang'onopang'ono mpaka apangire cololous wowonekera. Mtundu wosungunuka umatha kugwiritsidwa ntchito mu ufa ndi matope. M'dothi wamadzimadzi ndi utoto, padzakhala gulu lazinthu zomwe sizingagwiritsidwe ntchito. Mtundu wa nthawi yomweyo umakhala ndi ntchito zambiri. Itha kugwiritsidwa ntchito mu ufa ndi matope, komanso guluu wamadzimalo ndi utoto, popanda contacation.
HPMC yopangidwa ndi njira yosungunulira imagwiritsa ntchito toluene ndi isoppanol ngati ma sol sol. Ngati kutsuka sikwabwino kwambiri, padzakhala fungo lina lotsalira. Kugwiritsa ntchito ufa wa putty: Zofunikira ndizochepa, ma viscy ali okwanira 100,000, ndikokwanira, chinthu chofunikira ndikusunga madzi bwino. Kugwiritsa ntchito matope: Zofunikira kwambiri, kuwoneka bwino, 150,000 ndikwabwino. Kugwiritsa ntchito guluu: Zinthu zopota za nthawi yomweyo zokhala ndi mafayilo akulu amafunikira. Kuchuluka kwa hpmc komwe kumagwiritsidwa ntchito kumasiyana malinga ndi nyengo, kutentha, phulusa lapakati, putty ufa wa plandu ndi "mtundu wofunikira ndi makasitomala". Makulidwe a hydroxypypyl (hpmc) - ufa) nthawi zambiri umakhala 100,000, ndipo zofunikira za matope ndizokwera mtengo, ndipo zimafunikira 150,000 kukhala zosavuta kugwiritsa ntchito. Komanso, ntchito yayikulu ya HPMC ndi kusungidwa kwamadzi, kenako ndikukula. Mu ufa wa putty, bola ngati kusungidwa kwamadzi ndikwabwino ndipo mafayilo ali otsika (70,000-80,000), nkothekanso. Inde, mafakiti apamwamba, abwinobwino achibale. Maonekedwe oposa 100,000, chidwi cha ma visc chimakhudza kusungidwa kwamadzi. Osati zochuluka; Omwe ali ndi hydroxypropyl omwe amakhala ndi kusungidwa kwa madzi. Yemwe ali ndi ufa wowoneka bwino amakhala ndi kusungidwa kwabwino kwamadzi, ndipo wowoneka bwino amagwiritsidwa ntchito matope a simenti.
Mu ufa wa putty, hpmc amasewera maudindo atatu a kukula, kusungidwa kwamadzi ndikumanga. Osatenga nawo mbali pazomwe zimachitika. Chomwecho chomenyeracho chingakhale chakuti madzi ochulukirapo omwe amayikapo, kapena mwina kudzakhala kochepa kwambiri sikuti ndi youma, ndipo wina wosanjikiza wakulungidwa pamwamba, ndipo ndikosaphweka kuwadetsa. Kukula kwa HPMC mu punty ufa: cellulose ikhoza kukwiya kuyimitsa, kusunga yunifolomu yothetsera bwino komanso yogwirizana, ndikupewa kusanza. Kubwezeretsa madzi ku HPMC mu ufa wa punty: Pangani ufa wowuma pang'onopang'ono, ndikuthandizira machaka kuti atengere pansi pazinthu zamadzi. Mphamvu yomanga ya HPMC mu punty ufa: cellulose imakhala ndi mphamvu yopaka, yomwe imatha kupanga ufa wokhala ndi zomangamanga. HPMC sitenga nawo mbali pamavuto aliwonse, koma imangochita ntchito yothandiza.
Kuwonongeka kwa ufa wa putty kumakhudzana makamaka ndi mtundu wa calcium, ndipo sakugwirizana ndi HPMC. Ma calcium otsika a imvi a imvi ndi chingwe chosayenera cha cao ndi ca (o) 2 mu gy calcium idzayambitsa ufa. Ngati ili ndi chochita ndi HPMC, ndiye ngati madzi osungira a HPMC sakhala osauka, zimapangitsanso ufa kuti ugwe. Kuonjezera madzi ku ufa wa putty ndikuyika pakhoma ndikukhala ndi mankhwala, chifukwa zinthu zatsopano zimapangidwa, ndipo ufa wa putty pakhoma umachotsedwa kukhoma. Pansi, pansi kukhala ufa, ndi kuligwiritsa ntchito, sikungagwire ntchito, chifukwa zinthu zatsopano (calcium carbonate) yapangidwa. Zigawo zikuluzikulu za Ash calcium ufa ndi: osakaniza a ca (oh) 2, cao "2: ca ili m'madzi ndi mpweya pansi pa zochita za Co2, calcium carbonate yopangidwa, pomwe hpmc imangosuta madzi, kuthandiza momwe zilili ndi mapirapiki, osatenga nawo gawo limodzi.
Post Nthawi: Mar-18-2023