Cellulose etrars ndi gulu la osungunuka kwambiri osungunuka madzi osungunuka madzi ochokera ku cellulose. Agwiritsidwa ntchito kwambiri m'makampani omanga ngati othandizirana ndi magwiridwe antchito a simenti ndi gypsum. Mwa iwo, hydroxypropyl methylcellulose (hpmc) ndi imodzi mwazomwe zimafunikira kwambiri celluse.
Monga wopanga HPMC wopanga, tikufotokozerani ntchito ya ether. Tikukhulupirira kuti iziti izi zimaperekanso chidziwitso chothandiza kwa omwe ali ndi chidwi ndi nkhaniyi.
1. Kusunga kwamadzi
Chimodzi mwazinthu zazikulu za cellulose ether ether ndi kusungidwa kwamadzi. Phula ndi zida zonga zonga zokhala ngati zotupa zomwe zimagwiritsidwa ntchito kuzaza miyala ndi ming'alu m'malo mwake ngati makhoma, madenga ndi pansi. Madzi ndi chinthu chofunikira kwambiri pakupanga ma purtect chifukwa chimathandiza kusungunuka zosakaniza ndi kugwirira ntchito. Komabe, madzi ochulukirapo amatha kupangitsa kuti matenya kuti awume ndi kusinthika mwachangu, kutsogolera kusokonekera komanso kumalizira pang'ono.
Cellulose ether, makamaka hpmc, amapanga kapangidwe ka gel ngati kusakanizidwa ndi madzi, zomwe zingathandize kusungira madzi. Magulu a hydrophilic a hpmc amatha kumwa mamolekyulu amadzi ndikuwalepheretsa kusinthasintha mwachangu. Izi zimalola nthawi yayitali yogwira ntchito komanso mawonekedwe osasunthika.
2. Kupititsa patsogolo kugwirira ntchito
Ntchito ina yofunika ya maselo a cellulose kuti musunthire. Kugwira ntchito kumatanthauza zovuta zomwe putty imayikidwa ndikuumbidwa kuti ipeze yosalala. Cellulose ether imatha kukulitsa madzi ndi kufalikira pochepetsa mikangano pakati pa tinthu tambiri ndikuwonjezera mafuta.
Kuphatikiza kwa cellulose etrars kuyika kumachepetsa kuthengo kwa mpweya chifukwa cha kusakaniza, komwe kumatha kubweretsa malo osagwirizana ndi kutengera kosayenera. Kugwiritsa ntchito cellulose eders kumapangitsa kusalala ndi kusasinthika kwa stett, chifukwa chochita bwino kwambiri komanso chimaliziro china.
3. Kuchulukitsa Kutsatira
Ubwino wina wa ethel ether wamphamvu umachulukitsa. Zolemba zimagwiritsidwa ntchito kuzaza ming'alu ndi ming'alu, komanso kupanga mawonekedwe osalala kapena kumaliza. Chifukwa chake, chivundikirocho chimayenera kutsatira gawo lapansi ndikupereka mgwirizano wamphamvu.
Cellulose ether, makamaka hpmc, zimatha kukonza zomata za putty popanga kanema pamwamba pa gawo la gawo lapansi. Kanemayo amathandizira kulumikizana pakati pa putty ndi gawo lapansi ndikuthandizira kudzaza zinthu zopanda pake. Izi zimapangitsa kuti mukhale ndi mgwirizano wolimba komanso wokhazikika.
4. Kuchepetsa shrinkage
Shrinkage ndi vuto lodziwika bwino, chifukwa limatha kuchititsa kuti kusokoneze ndi kumaliza pang'ono. Cellulose ede amatha kuthandizira kuchepetsa purty shrinkage pokonza madzi osungira komanso kugwiritsidwa ntchito kwa otentheka. Madzi amatuluka pang'onopang'ono, kupatsa matekisoni osuta fodya omwe amathandiza kupewa ming'alu ndi zokongoletsa chifukwa chopanga nthawi youma.
Kuphatikiza apo, cellulose ether imathanso kuchepetsa pulasitiki ya pa pulasitiki, ndiye kuti, shranage yomwe imachitika poyambira. Katunduyu ndi wofunikira kwambiri kuti akhazikike mwachangu, chifukwa zimathandizanso kukhalabe kukhulupirika kwapamwamba ndipo kumalepheretsa kupangidwa ndi ming'alu.
5. Kukhazikika
Pomaliza, cellulose eders amatha kusintha kukhazikika kwa detity mwa kukulitsa chilengedwe chake monga kutentha kwa kutentha, chinyezi ndi chinyezi. Kapangidwe ka kama filimuyo ya ethel ether amatha kupereka chotchinga choteteza pamtunda kuti muchepetse kulowerera madzi ndi ena odetsedwa.
Komanso, ethersese ether amathanso kusintha mphamvu ya kusinthika komanso kukana mphamvu, kupangitsa kuti ikhale yolimbana ndi kupsa. Katunduyu ndi wofunikira kwambiri pakugwiritsa ntchito komwe makonda amagwiritsidwa ntchito pafupipafupi kapena amakhudzidwa, monganso kukonza ntchito kapena zokongoletsera.
Pomaliza
Pomaliza, cyulose yokhazikika, makamaka hpmc, ndizofunikira kwambiri kulimbitsa. Ntchito zawo zimaphatikizapo kusungidwa kwamadzi, kusungitsa kusinthasintha, kuchulukana kotsatira, kuchepa kwa shriznation ndikukhazikika. Kugwiritsa ntchito cellose etre kumathandizira kukonza mtundu wonse ndi magwiridwe ake, zomwe zimapangitsa kuti moyo ukhale wautali komanso wautali. Monga wopanga HPMC, ndife odzipereka kupereka makasitomala okhala ndi ether ether.
Post Nthawi: Jul-20-2023