Hydroxypropyl methylcellulose (HPMC)Ether ce wacce ba ta ionic ce ta yin amfani da ita a cikin kayan gini, magunguna, abinci, kayan kwalliya da sauran masana'antu. Babban alamun fasaha na HPMC sun haɗa da kaddarorin jiki da sinadarai, solubility, danko, digiri na maye, da sauransu.
1. Bayyanar da halaye na asali
HPMC yawanci fari ne ko fari fari, mara wari, mara daɗi, mara guba, tare da ingantaccen ruwa da kwanciyar hankali. Yana iya watse da sauri kuma ya narke cikin ruwan sanyi don samar da bayani mai haske ko ɗan turbid colloidal, kuma yana da ƙarancin narkewa a cikin kaushi na halitta.
2. Dankowa
Danko yana ɗaya daga cikin mahimman alamun fasaha na HPMC, wanda ke ƙayyade aikin AnxinCel®HPMC a cikin aikace-aikace daban-daban. Ana auna dankowar HPMC gabaɗaya azaman maganin ruwa na 2% a 20°C, kuma kewayon ɗanko na gama gari yana daga 5mPa·s zuwa 200,000mPa·s. Mafi girma da danko, da karfi da thickening sakamako na bayani da mafi alhẽri da rheology. Lokacin amfani da shi a masana'antu kamar gini da magani, yakamata a zaɓi ƙimar ɗanƙon da ya dace bisa ga takamaiman buƙatu.
3. Methoxy da Hydroxypropoxy Content
Abubuwan sinadarai na HPMC an ƙaddara su ta hanyar methoxy (–OCH₃) da hydroxypropoxy (–OCH₂CHOHCH₃) digiri na maye gurbinsa. HPMC tare da digiri na musanyawa daban-daban suna nuna solubility daban-daban, aikin saman da zafin jiki.
Abun cikin Methoxy: Yawancin lokaci tsakanin 19.0% da 30.0%.
Abun cikin Hydroxypropoxy: Yawancin lokaci tsakanin 4.0% da 12.0%.
4. Abubuwan Danshi
Yawan danshi na HPMC ana sarrafa shi a ≤5.0%. Babban abun ciki na danshi zai shafi kwanciyar hankali da tasirin amfani da samfur.
5. Abubuwan Ash
Toka shine ragowar bayan an kone HPMC, galibi daga gishirin inorganic da ake amfani da su wajen samarwa. Abubuwan da ke cikin toka yawanci ana sarrafa su a ≤1.0%. Abubuwan da ke cikin toka da yawa na iya shafar bayyana gaskiya da tsabtar HPMC.
6. Solubility da nuna gaskiya
HPMC yana da kyakyawar narkewar ruwa kuma yana iya narkewa cikin sauri cikin ruwan sanyi don samar da maganin colloidal iri ɗaya. Bayyanar bayani ya dogara da tsabtar HPMC da tsarin rushewa. Maganin HPMC mai inganci yawanci a bayyane ko ɗan madara.
7. Gel Zazzabi
Maganin ruwa na HPMC zai samar da gel a wani zazzabi. Yawan zafin jiki na gel yana tsakanin 50 zuwa 90 ° C, dangane da abun ciki na methoxy da hydroxypropoxy. HPMC tare da ƙananan abun ciki na methoxy yana da mafi girman zafin jiki na gel, yayin da HPMC tare da babban abun ciki na hydroxypropoxy yana da ƙananan zafin jiki.
8. pH darajar
Ƙimar pH na maganin ruwa na AnxinCel®HPMC yawanci tsakanin 5.0 da 8.0, wanda tsaka tsaki ne ko raunin alkaline kuma ya dace da yanayin aikace-aikace iri-iri.
9. Girman Barbashi
An bayyana tarar HPMC gabaɗaya azaman adadin da ke wucewa ta allon raga 80 ko raga 100. Yawancin lokaci ana buƙatar ≥98% ta hanyar allo mai raɗaɗi 80 don tabbatar da cewa yana da kyakkyawan tarwatsewa da narkewa lokacin amfani da shi.
10. Karfe mai nauyi
Abubuwan da ke cikin ƙarfe mai nauyi (kamar gubar da arsenic) na HPMC dole ne su bi ka'idodin masana'antu masu dacewa. Yawancin lokaci, abun cikin gubar shine ≤10 ppm kuma abun cikin arsenic shine ≤3 ppm. Musamman a cikin abinci da matakin magunguna na HPMC, abubuwan buƙatun don abun ciki mai nauyi sun fi tsauri.
11. Alamomin ƙwayoyin cuta
Don magunguna da darajar abinci AnxinCel®HPMC, dole ne a sarrafa gurɓataccen ƙwayar cuta, gami da jimlar ƙidayar mallaka, mold, yisti, E. coli, da sauransu, yawanci ana buƙata:
Jimlar ƙidaya ≤1000 CFU/g
Jimlar ƙirgawa da yisti ≤100 CFU/g
E. coli, Salmonella, da dai sauransu dole ne ba a gano
12. Babban wuraren aikace-aikacen
Ana amfani da HPMC sosai a masana'antu da yawa saboda kauri, riƙewar ruwa, ƙirƙirar fim, lubrication, emulsification da sauran kaddarorin:
Masana'antar gine-gine: A matsayin mai kauri da mai riƙe ruwa a cikin turmi siminti, foda mai ɗorewa, mannen tayal, da murfin ruwa don haɓaka aikin gini.
Masana'antar harhada magunguna: Ana amfani da shi azaman manne, abu mai dorewa, da albarkatun harsashi don allunan magunguna.
Masana'antar abinci: ana amfani da su azaman emulsifier, stabilizer, thickener, amfani da jelly, abubuwan sha, kayan gasa, da sauransu.
Masana'antar sinadarai ta yau da kullun: ana amfani da ita azaman mai kauri da emulsifier stabilizer a cikin samfuran kula da fata, wanki, da shamfu.
A fasaha Manuniya naHPMCsun haɗa da danko, digiri na maye gurbin (abincin rukuni na hydrolyzed), danshi, abun cikin ash, ƙimar pH, zafin gel, fineness, abun ciki mai nauyi, da dai sauransu Waɗannan alamun sun ƙayyade aikin aikace-aikacensa a fannoni daban-daban. Lokacin zabar HPMC, masu amfani yakamata su ƙayyade ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun aikace-aikacen don tabbatar da ingantaccen tasirin amfani.
Lokacin aikawa: Fabrairu-11-2025