Abubuwan Rheological na Maganin Methyl cellulose
Maganin Methyl cellulose (MC) yana nuna ƙayyadaddun kaddarorin rheological waɗanda suka dogara da dalilai kamar su maida hankali, nauyin kwayoyin halitta, zazzabi, da ƙimar ƙarfi. Anan akwai wasu mahimman kaddarorin rheological na maganin methyl cellulose:
- Danko: methyl cellulose mafita yawanci nuna babban danko, musamman a mafi girma yawa da kuma ƙananan yanayin zafi. Danko na MC mafita iya bambanta a kan fadi da kewayon, daga low-danko mafita kama da ruwa zuwa sosai danko gels kama m kayan.
- Pseudoplasticity: Maganin methyl cellulose yana nuna halayen pseudoplastic, ma'ana cewa ɗankowar su yana raguwa tare da haɓaka ƙimar ƙarfi. Lokacin da aka fuskanci damuwa mai tsauri, dogayen sarƙoƙi na polymer a cikin bayani suna daidaitawa tare da jagorar kwarara, rage juriya ga kwarara da kuma haifar da halayen ɓacin rai.
- Thixotropy: methyl cellulose mafita yana nuna hali na thixotropic, ma'ana cewa dankon su yana raguwa a tsawon lokaci a ƙarƙashin damuwa mai tsanani. Bayan dakatar da shear, sarƙoƙi na polymer a cikin maganin sannu a hankali suna komawa zuwa yanayin da bazuwar su, wanda ke haifar da dawo da danko da thixotropic hysteresis.
- Hankalin zafin jiki: Dankin methyl cellulose mafita yana rinjayar da zafin jiki, tare da yanayin zafi gabaɗaya yana haifar da ƙananan danko. Duk da haka, ƙayyadaddun dogaro da zafin jiki na iya bambanta dangane da dalilai kamar su maida hankali da nauyin kwayoyin halitta.
- Shear Thinning: Maganin Methyl cellulose yana jurewa juzu'in bakin ciki, inda danko ya ragu yayin da adadin shear ya karu. Wannan kadarar tana da fa'ida musamman a aikace-aikace kamar surufi da adhesives, inda maganin ke buƙatar gudana cikin sauƙi yayin aikace-aikacen amma yana kula da ɗankowa bayan ƙarewar shear.
- Gel Formation: A mafi girma yawa ko tare da wasu maki na methyl cellulose, mafita na iya samar da gels a kan sanyaya ko tare da ƙarin gishiri. Wadannan gels suna nuna hali mai ƙarfi, tare da babban danko da juriya ga gudana. Ana amfani da samuwar gel a aikace-aikace daban-daban, gami da magunguna, samfuran abinci, da abubuwan kulawa na sirri.
- Dace da Additives: Methyl cellulose mafita za a iya canza tare da Additives kamar salts, surfactants, da sauran polymers don canza su rheological Properties. Waɗannan abubuwan ƙari na iya yin tasiri akan abubuwa kamar danko, halayen gelation, da kwanciyar hankali, ya danganta da takamaiman buƙatun ƙira.
Maganin methyl cellulose yana nuna halayen rheological mai rikitarwa wanda ke da girman danko, pseudoplasticity, thixotropy, yanayin zafin jiki, raguwar ƙarfi, da samuwar gel. Waɗannan kaddarorin suna sa methyl cellulose ya zama mai juzu'i don aikace-aikace daban-daban, gami da magunguna, samfuran abinci, sutura, adhesives, da abubuwan kulawa na sirri, inda madaidaicin iko akan danko da halin kwarara yana da mahimmanci.
Lokacin aikawa: Fabrairu-11-2024