Hydroxypropyl methylcellulose kusan ba zai iya narkewa a cikin cikakken ethanol da acetone. Maganin ruwa mai ruwa yana da ƙarfi sosai a cikin zafin jiki kuma yana iya gel a babban zafin jiki. Yawancin hydroxypropyl methylcellulose a kasuwa yanzu sun kasance na ruwan sanyi (ruwan zafin jiki, ruwan famfo) nau'in nan take. Ruwan sanyi nan take HPMC zai zama mafi dacewa da aminci don amfani. Ana bukatar a saka HPMC kai tsaye a cikin ruwan sanyi bayan mintuna goma zuwa casa'in don yin kauri a hankali. Idan samfuri ne na musamman, yana buƙatar motsawa da ruwan zafi don tarwatsa, sannan a zuba a cikin ruwan sanyi don narkewa bayan sanyi.
Lokacin da aka ƙara kayan HPMC kai tsaye a cikin ruwa, za su yi coagulation sannan su narke, amma wannan narkarwar tana da sannu a hankali da wahala. Ana ba da shawarar hanyoyin warwarewa guda uku masu zuwa, kuma masu amfani za su iya zaɓar hanyar da ta fi dacewa bisa ga yanayin amfani (yawanci don ruwan sanyi nan take HPMC).
Hanyar narkar da kuma matakan kariya na HPMC
1. Hanyar ruwan sanyi: Lokacin da ake buƙatar ƙarawa kai tsaye zuwa maganin ruwa na zafin jiki na al'ada, yana da kyau a yi amfani da nau'in watsawar ruwan sanyi. Bayan ƙara danko, daidaito zai ƙaru a hankali zuwa buƙatun ƙididdiga.
2. Hanyar hadawa foda: HPMC foda da adadin ko fiye da sauran abubuwan foda suna tarwatsewa ta hanyar busassun hadawa, kuma bayan ƙara ruwa don narkewa, ana iya narkar da HPMC a wannan lokacin kuma ba za ta ƙara yin ƙarfi ba. A gaskiya ma, ko da wane irin hydroxypropyl methylcellulose ne. Ana iya bushe shi a haɗa shi kai tsaye zuwa wasu kayan.
3. Hanyar jika da sauran ƙarfi: HPMC an riga an tarwatsa ko an jika shi da wasu kaushi mai ƙarfi, kamar ethanol, ethylene glycol ko mai, sannan a narkar da shi cikin ruwa, kuma HPMC kuma ana iya narkar da ita lafiya.
A lokacin tsarin narkewa, idan akwai agglomeration, za a nannade shi. Wannan shi ne sakamakon rashin daidaituwa, don haka ya zama dole don hanzarta saurin motsawa. Idan akwai kumfa a cikin rushewar, saboda iska ta haifar da rashin daidaituwa, kuma an yarda da maganin ya tsaya na tsawon sa'o'i 2-12 (ƙayyadaddun lokaci ya dogara da daidaito na maganin) ko vacuuming, pressurization da sauran hanyoyin. don cirewa, ƙara adadin da ya dace na defoamer kuma zai iya kawar da wannan yanayin. Ƙara adadin da ya dace na defoamer kuma zai iya kawar da wannan yanayin.
Tunda ana amfani da hydroxypropyl methylcellulose a masana'antu daban-daban, yana da matukar mahimmanci don ƙware hanyar rushewar hydroxypropyl methylcellulose don amfani da shi daidai. Bugu da ƙari, ana tunatar da masu amfani da su kula da kariya ta rana, kariya ta ruwan sama da kare danshi yayin amfani, guje wa hasken kai tsaye, da adanawa a cikin busassun wuri da rufe. Guji tuntuɓar hanyoyin kunna wuta kuma guje wa samuwar ƙura mai yawa a cikin rufaffiyar wurare don hana haɗarin fashewa.
Lokacin aikawa: Juni-20-2023