Zosungunulira zimagwira ntchito yofunika kwambiri popanga ndi kukonza ma polima monga ethyl cellulose (EC). Ethyl cellulose ndi polima yogwiritsidwa ntchito mosiyanasiyana yochokera ku cellulose, polima yachilengedwe yomwe imapezeka m'makoma a maselo a zomera. Imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana monga mankhwala, zokutira, zomatira, ndi chakudya.
Posankha zosungunulira za ethyl cellulose, zinthu zingapo ziyenera kuganiziridwa, kuphatikizapo kusungunuka, kukhuthala, kusasinthasintha, poizoni, ndi momwe chilengedwe chimakhudzira. Kusankha zosungunulira kungakhudze kwambiri mawonekedwe a chinthu chomaliza.
Ethanol: Ethanol ndi imodzi mwa zosungunulira zomwe zimagwiritsidwa ntchito kwambiri pa ethyl cellulose. Imapezeka mosavuta, yotsika mtengo, ndipo imasungunuka bwino pa ethyl cellulose. Ethanol imagwiritsidwa ntchito kwambiri popanga mankhwala pokonzekera zokutira, mafilimu, ndi ma matrices.
Isopropanol (IPA): Isopropanol ndi chinthu china chodziwika bwino chosungunulira ethyl cellulose. Chimapereka ubwino wofanana ndi ethanol koma chingapereke mphamvu zabwino zopangira filimu komanso kusasinthasintha kwakukulu, zomwe zimapangitsa kuti chigwiritsidwe ntchito nthawi zambiri zomwe zimafuna nthawi yowuma mwachangu.
Methanol: Methanol ndi chinthu chosungunuka chomwe chimatha kusungunula ethyl cellulose bwino. Komabe, sichigwiritsidwa ntchito kawirikawiri chifukwa cha poizoni wake wambiri poyerekeza ndi ethanol ndi isopropanol. Methanol imagwiritsidwa ntchito makamaka m'magwiritsidwe apadera pomwe zinthu zake zapadera zimafunika.
Acetone: Acetone ndi chosungunulira chosasunthika chomwe chimasungunuka bwino mu ethyl cellulose. Chimagwiritsidwa ntchito kwambiri m'mafakitale popanga zokutira, zomatira, ndi inki. Komabe, acetone imatha kuyaka kwambiri ndipo ingayambitse ngozi ngati sigwiritsidwa ntchito bwino.
Toluene: Toluene ndi chosungunulira chosakhala cha polar chomwe chimasungunuka bwino kwambiri mu ethyl cellulose. Chimagwiritsidwa ntchito kwambiri mumakampani opanga zokutira ndi zomatira chifukwa cha kuthekera kwake kusungunula ma polima osiyanasiyana, kuphatikiza ethyl cellulose. Komabe, toluene ili ndi nkhawa pa thanzi komanso chilengedwe zokhudzana ndi kugwiritsidwa ntchito kwake, kuphatikizapo poizoni ndi kusakhazikika.
Xylene: Xylene ndi chinthu china chosungunulira chomwe sichingasungunuke bwino ethyl cellulose. Nthawi zambiri chimagwiritsidwa ntchito limodzi ndi zinthu zina zosungunulira kuti chisinthe kusungunuka ndi kukhuthala kwa yankho. Monga toluene, xylene imabweretsa mavuto pa thanzi ndi chilengedwe ndipo imafuna kusamalidwa mosamala.
Zosungunulira za Chlorini (monga Chloroform, Dichloromethane): Zosungunulira za Chlorini monga chloroform ndi dichloromethane zimathandiza kwambiri pakusungunula ethyl cellulose. Komabe, zimagwirizanitsidwa ndi zoopsa zazikulu paumoyo ndi chilengedwe, kuphatikizapo poizoni ndi kupitirira kwa chilengedwe. Chifukwa cha nkhawa izi, kugwiritsa ntchito kwawo kwachepa chifukwa cha njira zina zotetezeka.
Ethyl Acetate: Ethyl acetate ndi chosungunulira cha polar chomwe chimatha kusungunula ethyl cellulose mpaka pamlingo wina. Chimagwiritsidwa ntchito kwambiri m'magwiritsidwe apadera pomwe zinthu zake zimafunidwa, monga popanga mitundu ina ya mankhwala ndi zokutira zapadera.
Propylene Glycol Monomethyl Ether (PGME): PGME ndi chosungunulira cha polar chomwe chimasungunuka pang'ono mu ethyl cellulose. Nthawi zambiri chimagwiritsidwa ntchito limodzi ndi zosungunulira zina kuti chiwongolere kusungunuka ndi kupanga filimu. PGME imagwiritsidwa ntchito kwambiri popanga zokutira, inki, ndi zomatira.
Propylene Carbonate: Propylene carbonate ndi chosungunulira cha polar chomwe chimasungunuka bwino mu ethyl cellulose. Nthawi zambiri chimagwiritsidwa ntchito m'malo apadera pomwe zinthu zake zapadera, monga kusinthasintha kochepa komanso kutentha kwambiri, zimakhala zabwino.
Dimethyl Sulfoxide (DMSO): DMSO ndi chosungunulira cha polar aprotic chomwe chimatha kusungunula ethyl cellulose mpaka pamlingo winawake. Chimagwiritsidwa ntchito kwambiri m'mafakitale chifukwa cha kuthekera kwake kusungunula mitundu yosiyanasiyana ya mankhwala. Komabe, DMSO ikhoza kusonyeza kusagwirizana pang'ono ndi zinthu zina ndipo ikhoza kukhala ndi mphamvu zoyabwa pakhungu.
N-Methyl-2-pyrrolidone (NMP): NMP ndi chosungunulira cha polar chomwe chimasungunuka kwambiri mu ethyl cellulose. Chimagwiritsidwa ntchito kwambiri m'malo apadera pomwe zinthu zake zapadera, monga kutentha kwambiri komanso poizoni wochepa, ndizofunikira.
Tetrahydrofuran (THF): THF ndi chosungunulira cha polar chomwe chimasungunuka bwino kwambiri mu ethyl cellulose. Chimagwiritsidwa ntchito kwambiri m'malo oyesera kusungunula ma polima komanso ngati chosungunulira cha reaction. Komabe, THF imatha kuyaka kwambiri ndipo imabweretsa ngozi ngati sigwiritsidwa ntchito bwino.
Dioxane: Dioxane ndi chosungunulira cha polar chomwe chimatha kusungunula ethyl cellulose mpaka pamlingo winawake. Chimagwiritsidwa ntchito kwambiri m'malo apadera pomwe zinthu zake zapadera, monga kutentha kwambiri komanso poizoni wochepa, zimakhala zabwino.
Benzene: Benzene ndi chinthu chosungunulira chomwe sichimasungunuka bwino mu ethyl cellulose. Komabe, chifukwa cha poizoni wake wambiri komanso kuopsa kwa khansa, kugwiritsa ntchito kwake kwayimitsidwa kwambiri pofuna kupeza njira zina zotetezeka.
Methyl Ethyl Ketone (MEK): MEK ndi chosungunulira cha polar chomwe chimasungunuka bwino mu ethyl cellulose. Chimagwiritsidwa ntchito kwambiri m'mafakitale popanga zokutira, zomatira, ndi inki. Komabe, MEK imatha kuyaka kwambiri ndipo ingayambitse ngozi ngati sigwiritsidwa ntchito bwino.
Cyclohexanone: Cyclohexanone ndi chosungunulira cha polar chomwe chimatha kusungunula ethyl cellulose mpaka pamlingo winawake. Chimagwiritsidwa ntchito kwambiri m'malo apadera pomwe zinthu zake zapadera, monga kutentha kwambiri komanso poizoni wochepa, ndizofunikira.
Ethyl Lactate: Ethyl lactate ndi chosungunulira cha polar chomwe chimachokera ku zinthu zongowonjezedwanso. Chimasungunuka pang'ono pa ethyl cellulose ndipo chimagwiritsidwa ntchito kwambiri m'malo apadera pomwe poizoni wake wochepa komanso kuwonongeka kwake kumakhala kothandiza.
Diethyl Ether: Diethyl ether ndi chinthu chosungunula chomwe sichili polar chomwe chingathe kusungunula ethyl cellulose mpaka pamlingo winawake. Komabe, chimasinthasintha kwambiri ndipo chimayaka moto, zomwe zimapangitsa kuti pakhale ngozi ngati sichigwiritsidwa ntchito bwino. Diethyl ether imagwiritsidwa ntchito kwambiri m'malo oyesera kusungunula ma polima komanso ngati chosungunula chochita zinthu.
Ether ya Petroleum: Ether ya Petroleum ndi chosungunulira chosakhala cha polar chomwe chimachokera ku magawo a petroleum. Chimasungunuka pang'ono pa ethyl cellulose ndipo chimagwiritsidwa ntchito makamaka m'magwiritsidwe apadera pomwe zinthu zake zapadera zimafunidwa.
Pali mitundu yosiyanasiyana ya zosungunulira zomwe zingagwiritsidwe ntchito kusungunula ethyl cellulose, iliyonse ili ndi ubwino wake ndi zofooka zake. Kusankha zosungunulira kumadalira zinthu zosiyanasiyana, kuphatikizapo zofunikira pakusungunuka, momwe zinthu zimagwiritsidwira ntchito, zinthu zoganizira zachitetezo, ndi nkhawa zokhudzana ndi chilengedwe. Ndikofunikira kuwunika mosamala zinthuzi ndikusankha zosungunulira zoyenera kwambiri pa ntchito iliyonse kuti mupeze zotsatira zabwino kwambiri pamene mukuonetsetsa kuti chitetezo ndi kukhazikika kwa chilengedwe.
Nthawi yotumizira: Marichi-06-2024