Kodi methylcellulose ndi yopangidwa kapena yachilengedwe?

Methylcellulosendi mankhwala opangidwa kuchokera ku cellulose, polima wachilengedwe wopezeka m'makoma a cell a zomera. Ngakhale kuti zimachokera ku gwero lachilengedwe, kupanga methylcellulose kumaphatikizapo kusintha kwa mankhwala, kupanga chinthu chopanga. Pawiri iyi imagwiritsidwa ntchito m'mafakitale osiyanasiyana chifukwa cha mawonekedwe ake apadera komanso ntchito zosiyanasiyana.

Cellulose, chigawo chachikulu cha makoma a cell cell, ndi polysaccharide yopangidwa ndi mayunitsi a glucose olumikizidwa pamodzi. Amapereka chithandizo chamankhwala ku zomera ndipo ndi imodzi mwazinthu zopezeka kwambiri padziko lapansi. Ma cellulose amatha kuchotsedwa ku zomera monga nkhuni, thonje, hemp, ndi zinthu zina za fibrous.

Kuti apange methylcellulose, cellulose amakumana ndi zinthu zingapo. Njirayi nthawi zambiri imaphatikizapo kuchiza mapadi ndi yankho la alkaline, ndikutsatiridwa ndi esterification ndi methyl chloride kapena methyl sulfate. Izi zimabweretsa magulu a methyl (-CH3) pamsana wa cellulose, zomwe zimapangitsa methylcellulose.

Kuphatikizika kwa magulu a methyl kumasintha mawonekedwe a thupi ndi mankhwala a cellulose, kupereka mawonekedwe atsopano pagulu la methylcellulose. Chimodzi mwazosintha zazikulu ndikuchulukira kwamadzi kusungunuka poyerekeza ndi cellulose yosasinthika. Methylcellulose amawonetsa mawonekedwe apadera a rheological, kupanga mayankho a viscous akasungunuka m'madzi. Khalidweli limapangitsa kuti likhale lofunika m'mafakitale osiyanasiyana komanso malonda.

Methylcellulose amapeza kugwiritsidwa ntchito kwambiri muzakudya monga thickener, stabilizer, ndi emulsifier. Zimapangitsa kuti zakudya zambiri zizioneka bwino, kuphatikizapo sosi, soups, ayisikilimu, ndi zinthu zophika buledi. Kuphatikiza apo, amagwiritsidwa ntchito kwambiri popanga mankhwala monga chomangira pakupanga mapiritsi komanso ngati chosinthira mamasukidwe amafuta am'mutu ndi mafuta odzola.

Zomangamanga ndi zomangira,methylcelluloseimagwira ntchito ngati chinthu chofunikira kwambiri mumatope osakaniza owuma, pomwe imakhala ngati chosungira madzi ndikuwongolera magwiridwe antchito. Kuthekera kwake kupanga zoyimitsidwa zokhazikika, zofananira kumapangitsa kuti ikhale yamtengo wapatali mu zomatira matailosi a ceramic, pulasitala, ndi zinthu za simenti.

methylcellulose amagwiritsidwa ntchito popanga zinthu zosamalira anthu monga ma shampoos, mafuta odzola, ndi zodzoladzola. Mawonekedwe ake opanga mafilimu komanso kuthekera kopanga ma gels owoneka bwino amawapangitsa kukhala oyenera pamitundu yosiyanasiyana.

Ngakhale kuti amapangidwa kuchokera ku cellulose, methylcellulose imakhalabe ndi zina mwazabwino zachilengedwe zomwe zimagwirizanitsidwa ndi kalambulabwalo wake wachilengedwe. Ndi biodegradable nthawi zina ndipo amaonedwa kuti ndi yabwino kugwiritsidwa ntchito pazakudya ndi mankhwala akapangidwa motsatira malamulo.

methylcellulosendi mankhwala opangidwa kuchokera ku cellulose, polima wachilengedwe wopezeka muzomera. Kupyolera mu kusintha kwa mankhwala, cellulose imasandulika kukhala methylcellulose, yomwe imasonyeza zinthu zapadera zothandiza m'mafakitale osiyanasiyana, kuphatikizapo chakudya, mankhwala, zomangamanga, ndi chisamaliro chaumwini. Ngakhale kuti methylcellulose ndi yopangidwa mwachilengedwe, imakhalabe ndi zinthu zabwino zachilengedwe ndipo imavomerezedwa ndi anthu ambiri chifukwa chachitetezo chake komanso kusinthasintha kwake.