Hydroxypropyl methylcellulose (HPMC)polymer ce mai amfani da ita a masana'antu kamar su magunguna, gini, kayan kwalliya, abinci, da kulawar mutum. Dankowar HPMC tana taka muhimmiyar rawa wajen tantance dacewarsa don aikace-aikace daban-daban. Danko yana tasiri da nauyin kwayoyin halitta, matakin maye gurbin, da maida hankali. Fahimtar makin danko da ya dace yana da mahimmanci don zaɓar madaidaicin HPMC don takamaiman buƙatun masana'antu.
Ma'aunin Danko
An auna dankowar AnxinCel®HPMC a cikin mafita mai ruwa-ruwa ta amfani da viscometer na juyawa ko capillary. Ma'aunin zafin jiki na gwaji shine 20 ° C, kuma an bayyana danko a cikin millipascal-daƙiƙa (mPa·s ko cP, centipoise). Daban-daban maki na HPMC da daban-daban viscosities dangane da nufin aikace-aikace.
Matsayin Dankowa da Aikace-aikacen su
Teburin da ke ƙasa yana zayyana makin gama gari na HPMC da aikace-aikacen da suka dace:
| Matsayin Dankowa (mPa·s) | Hankali Na Musamman (%) | Aikace-aikace |
| 5 - 100 | 2 | Ruwan ido, kayan abinci, dakatarwa |
| 100 - 400 | 2 | Rubutun kwamfutar hannu, masu ɗaure, adhesives |
| 400 - 1,500 | 2 | Emulsifiers, man shafawa, tsarin isar da magunguna |
| 1,500 - 4,000 | 2 | Wakilai masu kauri, samfuran kulawa na sirri |
| 4,000 - 15,000 | 2 | Gina (tile adhesives, tushen siminti) |
| 15,000 - 75,000 | 2 | Sarrafa-saki magungunan ƙwayoyi, grouts gini |
| 75,000 - 200,000 | 2 | Babban mannewa mai ƙarfi, ƙarfafa ciminti |
Abubuwan Da Suka Shafi Dankowa
Abubuwa da yawa suna tasiri dankowar HPMC:
Nauyin Kwayoyin Halitta:Mafi girman nauyin kwayoyin halitta yana haifar da ƙara danko.
Matsayin Canji:Adadin hydroxypropyl da ƙungiyoyin methyl suna shafar solubility da danko.
Magani Tattaunawa:Maɗaukakin taro yana haifar da ƙarin danko.
Zazzabi:Danko yana raguwa tare da ƙara yawan zafin jiki.
Hankalin pH:Maganin HPMC sun tabbata a cikin kewayon pH na 3-11 amma suna iya ƙasƙanta a waje da wannan kewayon.
Rage Ƙimar:HPMC yana nuna abubuwan da ba na Newtonian kwarara ba, ma'ana danko yana raguwa a ƙarƙashin damuwa mai ƙarfi.
Aikace-aikace-Takamaiman La'akari
Magunguna:Ana amfani da HPMC a cikin ƙirar ƙwayoyi don sakin sarrafawa kuma azaman ɗaure a cikin allunan. Ƙananan maki (100-400 mPa·s) an fi so don sutura, yayin da mafi girma maki (15,000+ mPa·s) ana amfani da su don dorewa-saki tsari.
Gina:AnxinCel®HPMC yana aiki azaman wakili mai riƙe ruwa da manne a cikin samfuran tushen siminti. Makiyoyi masu dankowa (sama da 4,000 mPa·s) sun dace don haɓaka ƙarfin aiki da ƙarfin haɗin gwiwa.
Kayan shafawa da Kulawa na Kai:A cikin shampoos, lotions, da creams, HPMC yana aiki azaman mai kauri da daidaitawa. Matsakaicin danƙon maƙiyi (400-1,500 mPa·s) yana ba da ma'auni mafi kyau tsakanin rubutu da kaddarorin kwarara.
Masana'antar Abinci:A matsayin ƙari na abinci (E464), HPMC yana haɓaka rubutu, kwanciyar hankali, da riƙe danshi. Ƙananan maki (5-100mPa·s) yana tabbatar da tarwatsawa mai kyau ba tare da kauri mai yawa ba.
Zaɓin naHPMCMatsayin danko ya dogara da aikace-aikacen da aka yi niyya, tare da ƙananan ma'aunin danko wanda ya dace da mafita waɗanda ke buƙatar ƙaramin kauri da ƙimar danko mafi girma da aka yi amfani da su a cikin abubuwan da ke buƙatar manne mai ƙarfi da kaddarorin daidaitawa. Gudanar da danko daidai yana tabbatar da ingantaccen aiki a cikin magunguna, gini, abinci, da masana'antar kayan kwalliya. Fahimtar abubuwan da ke tasiri danko yana taimakawa wajen inganta amfani da HPMC don aikace-aikacen masana'antu daban-daban.
Lokacin aikawa: Fabrairu-11-2025