Hydroxyethyl cellulose (hec) ndiopanda Polymer, solmer osungunuka yochokera ku cellulose. Amagwiritsidwa ntchito kwambiri m'mafashoni osiyanasiyana, kuphatikizapo zomatira, pomwe umagwira ntchito yotumphukira, rheology okhazikika, ndi kukhazikika. Kutha kwa hec popititsa patsogolo mapangidwe a zomatira ndi zovuta kwambiri pamapulogalamu ambiri, kuonetsetsa ntchito yoyenera, ntchito, komanso kutalika kwa zomatira.
Katundu wa hydroxyethyl cellulose
Hec imapangidwa ndi cellulose ndi ethylene oxide pansi pa milkiline mikhalidwe, zomwe zimapangitsa kuti ma polymer ndi ma hydroxyethyl magulu omwe amaphatikizidwa ndi msana wa cellulose. Mlingo wa zolowa m'malo (DS) ndi molar zowonjezera (ms) ndi magawo ofunikira omwe amalimbikitsa katundu wa HeC. DS ikunena za magulu wamba a hydroxyl pa ma celluule molekyusi omwe asinthidwa ndi magulu a hydroxyethyl, pomwe MS ikuwonetsa kuchuluka kwa ma oxide oxide omwe achita ndi ma cellulose mu cellulose.
Hec amadziwika ndi kusungunuka kwake m'madzi, ndikupanga mayankho omveka bwino komanso owonekera bwino ndi mafayilo apamwamba. Chidwi chake chimayendetsedwa ndi zinthu zingapo, kuphatikizapo kunenepa, kupsinjika, kutentha, ndi pH ya yankho. Kulemera kwa hec kumatha kusiyanasiyana mpaka kutsika kwambiri, kulola kutengera zomatira ndi zofunikira zosiyanasiyana.
Njira zamagetsi
Hydration ndi kutupa:
Hec imathandizira kutsatsa mamasukidwe makamaka kudzera mu mphamvu yake yotupa ndikutupa m'madzi. Pamene Hec ikuwonjezeredwa ndi mitundu yomatira, magulu a hydroxyethyl amakopa mamolekyulu amadzi, kutsogolera kutuweka kwa unyolo wa polymer. Kutupaku kumawonjezera kukana kwa yankho, potero kukulira uku. Kukula kwa kutupa komanso mawonekedwe azomwe zimachitika zimayendetsedwa ndi polymer ndende ndi maselo olemera a HeC.
Kukopeka kwa molecular:
Mu yankho, hec ma polima amakopeka chifukwa cha kapangidwe kake kaitali. Kukopa kumeneku kumayambitsa netiweki komwe kumapangitsa kuti ma mamolekyulu omwe amasunthira mu zomatira, potero akuwonetsa kuti mamasukidwe. Kulemera kwamphamvu kwa ma hex kumapangitsa kuti pakhale kofunikira kwambiri komanso kukweza mafayilo apamwamba. Mlingo wa gulu lankhondo limatha kulamuliridwa ndi kusintha kwa polymer ndende komanso kuchuluka kwa kuchuluka kwa hec yomwe imagwiritsidwa ntchito.
HYDGEN KUGWIRA NTCHITO:
Hec amatha kupanga zomangira za hydrogen ndi mamolekyulu amadzi ndi zinthu zina mu zomatira. Ma bond Hydrogen amathandizira kuti mamasukidwe popanga ma network omwe ali mkati mwa yankho. Magulu a hydroxyethyl pa cellulose blobebole broboki yowonjezera mphamvu yopanga ma hydrogen, kupititsa patsogolo mafayilo.
Khalidwe lonyoza:
Hec imawonetsa kukhala ndi miseche, kutanthauza kuti ma viscy amachepetsa pansi pa kupsinjika kukameta ubweya. Katunduyu ndi wopindulitsa mu zomatira chifukwa amalola kugwiritsa ntchito mosavuta mu Shear (monga kufalikira kapena kutsuka) pomwe mukukhala ndi mapangidwe ake opumula komanso kukhazikika. Khalidwe lopendekera la Hec limadziwika kuti limalumikizidwa ndi maunyolo a polymer mu kolowera kwa mphamvu ya mphamvu, kuchepetsa kukana kwakanthawi.
Mapulogalamu mumitundu yomatira
Zochita zochokera m'madzi:
Hec amagwiritsidwa ntchito kwambiri m'masamba ozikidwa m'madzi, monga apepala, zolembedwa, ndi mtengo. Kutha kwake kumangirira ndikukhazikitsa zomatira kumatsimikizira kuti imakhalabe mosagwirizana komanso kosavuta kugwiritsa ntchito. Mu pepala ndi kunyamula zomatira, Hec imapereka mawonekedwe ofunikira pakugwiritsa ntchito moyenera komanso kulimbikira.
Zochita zomanga:
Pomanga omata, monga omwe amagwiritsidwa ntchito kuyika matayala kapena zokutira za khoma, hec imathandizira ma victoni, kukonza zogwirizanitsa zomatira komanso kukana kwa Alets. Kuchita kukula kwa Hec kumatsimikizira kuti zomatira zimakhala m'malo panthawi yogwirira ntchito ndikuzikongoletsa moyenera, ndikupatsa mphamvu yolimba komanso yolimba.
Zodzikongoletsera ndi kusamala kwamunthu:
Hec imagwiritsidwanso ntchito pazodzikongoletsera zazodzikongoletsera komanso zachiwerewere zomwe zimafunikira katundu wotsatsa, monga masheya a tsitsi ndi nkhope. Mu mapulogalamu awa, Hec amapereka kusinthasintha kosalala komanso kosalala, kukulitsa magwiridwe antchito azomwezo ndi zothandizira kugwiritsa ntchito.
Pulogalamu ya mankhwala:
M'makampani opanga mankhwala, Hec amagwiritsidwa ntchito potembenuza zigamba za mankhwala ndi zina zomwe zimagwiritsidwa ntchito popanga ma visc. Hec imatsimikizira kuti chotsatsa ndi yunifolomu, chimaperekabe mankhwala osokoneza bongo mosasintha ndi kutsatira pakhungu.
Zinthu Zomwe Zimakhudza Kupititsa patsogolo
Kuzemba:
Kukhazikika kwa Hec mu mawonekedwe omatira ndikofanana mwachindunji ndi mawonekedwe. Kukhazikika kwakukulu kwa hec kumabweretsa ma victoni ochulukirapo chifukwa cha zowonjezera zazikulu polima komanso zokopa. Komabe, kukhazikika kwambiri kumatha kuyambitsa miyala komanso kuvuta pokonza.
Kulemera kwa maselo:
Kulemera kwa hec ndikofunikira pofuna kudziwa mafayilo a zomatira. Kulemera kwambiri kwa ma sub hole amapereka mafayilo apamwamba kumapeto otsika kwambiri poyerekeza ndi zonenepa zonenepa. Kusankha kwa kulemera kwa maselo kumatengera mawonekedwe omwe mukufuna ndi zomwe mukufuna.
Kutentha:
Kutentha kumakhudza mafayilo a mayankho a HeC. Pamene kutentha kumawonjezeka, mawonekedwe amatsirizidwe chifukwa chochepetsa ntchito ya haidrojeni ndi kuchuluka kwa kusuntha. Kuzindikira kutentha kwa mavidiyo ndikofunikira kuti mapulogalamu okhudzana ndi kutentha.
PH:
PH of Photive Classive ikhoza kulepheretsa mafayilo a HeC. Hec ndi wokhazikika pamwamba pamitundu yosiyanasiyana, koma mikhalidwe yoyipa imatha kusintha mu kapangidwe ka polymer. Kupanga zomatira mkati mwa ma phgemimal ph.
Zabwino zogwiritsa ntchito hydroxyethyl cellulose
Chilengedwe chosakhala:
Chikhalidwe chosakhala cha heonic chimapangitsa kuti chikhale chogwirizana ndi mitundu ina ya mapangidwe, kuphatikizapo ma polima ena, oundani, ndi ma electolyte. Kugwirizana uku kumapangitsa kuti pakhale mapangidwe okhudzana ndi kusinthasintha.
Biodegradiity:
Hec imachokera ku cellulose, zachilengedwe komanso zobwezeretsedwanso. Ndi biodeggerad, kupangitsa kuti ikhale chisankho chilengedwe chomatira. Kugwiritsa ntchito kwake kumalumikizana ndi zomwe zimakula kwa zinthu zosakhazikika komanso zopatsa chidwi.
Khalidwe:
Hec imapereka bata labwino kwambiri yomatira, kupewa gawo lolekanitsa ndikukhazikika kwa zigawo zolimba. Kusakhazikika uku kumatsimikizira zolaula nthawi zonse pa alumali ndi ntchito.
Katundu wopanga makanema:
Hec amapanga makanema osinthika ndikuwuma pakuwuma, zomwe zimapindulitsa ntchito zomatira zomwe zimafunikira mzere wowoneka bwino komanso wosasinthika. Katunduyu ndi wothandiza kwambiri pantchito monga zilembo ndi matepi.
Ma cellodithyl cellulose amatenga mbali yofunika kwambiri yolimbikitsira mamasukidwe azomera kudzera mu hydration ndi kutupa, kuphatikizira kwa ma hydrogen, komanso mikangano ya haidrogeni. Katundu wake, kuphatikizapo kusungunuka, osakhala chilengedwe, biodegradibitation, ndi kuthekera kwa makanema, kumapangitsa kuti chisankho chabwino magwiritsidwe osiyanasiyana. Kumvetsetsa zinthu zomwe zimakhudza kukweza kwa Hec ya HeC, monga kuphatikizika, kulemera kwa maselo, ndi ph, kumalola zopanga zomatira zomatira kuti mukwaniritse zofunika kuchita. Monga mafakitale akupitiliza kufunafuna zinthu zokhazikika komanso zapamwamba kwambiri, hec imakhalabe chinthu chofunikira kwambiri pakupanga zinthu zapamwamba zomatira.
Post Nthawi: Meyi-29-2024