HPMC ko Hydroxypropyl methylcellulose abu ne mai tsari wanda aka yi amfani da shi a cikin masana'antu da yawa ciki har da magunguna da abinci. Ana amfani dashi azaman thickener da emulsifier, kuma danko yana canzawa dangane da zazzabi an fallasa su. A cikin wannan labarin, zamu mayar da hankali kan dangantakar tsakanin danko da zazzabi a cikin HPMC.
An bayyana danko a matsayin ma'auni na juriya na ruwa zuwa gudana. HPMC wani abu ne mai ƙarfi-masarufi wanda maganganu masu adawa sun dogara da abubuwa daban-daban, gami da zazzabi. Don fahimtar alaƙar da ke tsakanin danko da zazzabi a HPMC, muna da bukatar mu san yadda aka kafa kayan da abin da aka yi da.
An samo HPMC daga Cellose, a zahiri yana faruwa a zahiri a cikin tsirrai. Don samar da HPMC, ana buƙatar sel mai mahimmanci tare da propylene opylene opide da methyl chloride. Wannan sakamakon sakamako a cikin samuwar hydroxypropyl da metyl ether kungiyoyin a cikin sarkar sel. Sakamakon abu ne mai ƙarfi-masarufi wanda za'a iya narkar da shi cikin ruwa da kayan aikin ƙwayoyin cuta, gami da wakili don abinci, da sauran wakili don abinci, tsakanin wasu.
Gwajin HPMC ya dogara da taro da zazzabi wanda aka fallasa shi. Gabaɗaya, danko na HPMC yana raguwa tare da ƙara yawan taro. Wannan yana nufin cewa mafi girman maida hankali na hpmc a cikin ƙananan abubuwan gani da kuma akasin haka.
Koyaya, dangantakar da ke tsakanin danko da zazzabi ya fi rikitarwa. Kamar yadda aka ambata a baya, danko na HPMC yana ƙaruwa tare da rage zafin jiki. Wannan yana nufin cewa lokacin da HPMC an gina shi zuwa ƙarancin yanayin zafi, iyawarsa na gudana yana raguwa kuma ya zama abin viscous. Hakanan, lokacin da HPMC an yi wa hpmc zuwa babban yanayin zafi, iyawarsa na ƙaruwa yana ƙaruwa da danko ya ragu.
Akwai dalilai daban-daban waɗanda ke shafar alakar tsakanin zafin jiki da danko a HPMC. Misali, sauran masu siyar da su a cikin ruwa na iya shafar danko, kamar yadda ph na ruwa. Gabaɗaya, duk da haka, akwai dangantaka mai zurfi tsakanin danko da zazzabi a cikin HPMC saboda tasirin ƙwararrun chain a HPMC.
Lokacin da HPMC an yi shi zuwa yanayin zafi, sarƙoƙi chain silili ya zama mafi tsauri, wanda ke haifar da ƙara ɗaurin wydrogen. Wadannan shaidu na hydrogen suna haifar da juriya na abu don gudana, ta yadda ta ƙara danko. Danshi, lokacin da HPMCs an sanya shi zuwa babban yanayin zafi, chain selulose sun zama sassauƙa, wanda ke haifar da ƙarancin hydrogen. Wannan yana rage juriya na abu ya gudana, sakamakon shi da ƙananan danko.
Yana da mahimmanci a lura da cewa yayin da yake yawanci dangantaka ce tsakanin danko da zazzabi na HPMC, wannan ba koyaushe yake ba ga kowane nau'in HPMC. A daidai dangantaka tsakanin danko da zazzabi na iya bambanta dangane da tsarin masana'antu da takamaiman matakin HPMC da aka yi amfani da shi.
HPMC wani abu ne mai yawa da yawa a cikin masana'antu daban-daban don abubuwan da suke thickening da kaddarorin emulsiony. Maganin HPMC ya dogara da dalilai da yawa, gami da maida hankali ga abu da zazzabi wanda aka fallasa shi. Gabaɗaya, danko na HPMC yana da girman kai ga zazzabi, wanda ke nufin cewa kamar yadda zafin jiki ya ragu, venchi tsanani yana ƙaruwa. Wannan saboda tasirin zafin jiki a kan haɗin hydrogen da kuma huldar kwayoyin sarkoki na sel a cikin HPMC.
Lokacin Post: Satumba 08-2023