Ipropathi yeRheological yeMethyl cellulose Isisombululo

Izisombululo zeMethyl cellulose (MC) zibonisa iipropathi ezikhethekileyo zerheological ezixhomekeke kwizinto ezinje ngoxinaniso, ubunzima bemolekyuli, ubushushu, kunye nesantya sokucheba. Nazi ezinye iimpawu eziphambili zerheological zezisombululo ze-methyl cellulose:

1. I-Viscosity: Izisombululo ze-Methyl cellulose zibonisa i-viscosity ephezulu, ngakumbi kwiindawo eziphezulu kunye namaqondo okushisa aphantsi. I-viscosity yezisombululo ze-MC zinokwahluka kuluhlu olubanzi, ukusuka kwizisombululo ze-viscosity ephantsi ezifana namanzi ukuya kwii-gels ze-viscous eziphezulu ezifana nezixhobo eziqinileyo.
2. I-Pseudoplasticity: Izisombululo ze-Methyl cellulose zibonisa ukuziphatha kwe-pseudoplastic, oku kuthetha ukuba i-viscosity yabo iyancipha ngokunyuka kwesantya sokucheba. Xa iphantsi koxinzelelo lokucheba, amatyathanga epholima amade kwisisombululo alungelelaniswa ecaleni kwendlela yokuhamba, enciphisa ukuxhathisa kokumpompoza kwaye okukhokelela ekuziphatheni kokucheba.
3. Thixotropy: Izisombululo zeMethyl cellulose zibonisa ukuziphatha kwethixotropic, oku kuthetha ukuba i-viscosity yabo iyancipha ngokuhamba kwexesha phantsi koxinzelelo lwe-shear rhoqo. Emva kokuphela kokucheba, amakhonkco e-polymer kwisisombululo ngokuthe ngcembe abuyela kwi-orientation yawo, ekhokelela ekubuyiseleni i-viscosity kunye ne-thixotropic hysteresis.
4. Ubunzulu beqondo lobushushu: I-viscosity yezisombululo ze-methyl cellulose iphenjelelwa bubushushu, kunye namaqondo obushushu aphezulu akhokelela kwi-viscosity esezantsi. Nangona kunjalo, ukuxhomekeka kweqondo lokushisa elithile kunokwahluka ngokuxhomekeke kwizinto ezifana nokugxininiswa kunye nobunzima be-molecular.
5. I-Shear Thinning: Izisombululo ze-Methyl cellulose zenziwa ukuchetywa kwe-shear, apho i-viscosity iyancipha njengoko izinga lokucheba linyuka. Le propati inenzuzo ngokukodwa kwizicelo ezifana neengubo kunye ne-adhesives, apho isisombululo kufuneka sihambe ngokulula ngexesha lesicelo kodwa sigcine i-viscosity ekuyekeni kwe-chear.
6. Ukuqulunqwa kweGel: Kwiindawo eziphezulu okanye ngamabakala athile e-methyl cellulose, izisombululo zingenza iigels xa zipholile okanye zongezwa iityuwa. Ezi gel zibonisa ukuziphatha okuqinileyo, kunye ne-viscosity ephezulu kunye nokumelana nokuhamba. Ukwenziwa kweGel kusetyenziswa kwizicelo ezahlukeneyo, kubandakanya amayeza, iimveliso zokutya, kunye nezinto zokhathalelo lomntu.
7. Ukuhambelana kunye neZongezo: Izisombululo ze-Methyl cellulose zinokuguqulwa kunye nezongezo ezifana neetyuwa, i-surfactants, kunye nezinye iipolymers ukuguqula iimpawu zabo ze-rheological. Ezi zongezo zinokuchaphazela izinto ezifana ne-viscosity, ukuziphatha kwe-gelation, kunye nokuzinza, kuxhomekeke kwiimfuno ezithile zokuqulunqa.

Izisombululo ze-methyl cellulose zibonisa indlela yokuziphatha entsonkothileyo yerheological ephawulwa yi-viscosity ephezulu, i-pseudoplasticity, i-thixotropy, ubuntununtunu bobushushu, ukucheba, kunye nokwakheka kwejeli. Ezi zakhiwo zenza i-methyl cellulose isebenze ngeendlela ezahlukeneyo kwizicelo ezahlukeneyo, kubandakanywa amayeza, iimveliso zokutya, iingubo, i-adhesives, kunye nezinto zokunyamekela, apho ukulawulwa ngokuchanekileyo kwi-viscosity kunye nokuziphatha okuhambayo kubalulekile.