Polyacrylamide: Polymer Inoshanda Zvakawanda Muindasitiri Yemazuva Ano
Polyacrylamide (PAM), ipolymer ine mamorekuru akawanda inonyungudika mumvura uye inoita basa rakakosha mumabasa akasiyana-siyana emaindasitiri. Ipolymer inobva kuacrylamide monomers, uye mumaindasitiri, mapolymer ane anopfuura 50% acrylamide monomer structural units anowanzonzi polyacrylamide.
PAM inogona kupatsanurwa mumhando dzisiri dzeionic, anionic, cationic, uye amphoteric zvichienderana nehunhu hwayo hweionic. PAM isiri yeionic haina mapoka anoonekwa seanonizable muketani yayo yemamorekuru, PAM yeanionic ine mapoka ane charge yakaipa, PAM yecationic ine mapoka ane charge yakanaka, uye PAM yeamphoteric ine mapoka ane charge yakaipa uye yakanaka.
Nzira dzekugadzira PAM dzinosanganisira aqueous solution polymerization, reverse emulsion polymerization, uye radiation - initiated polymerization. Aqueous solution polymerization ndiyo nzira yekare uye inoshandiswa zvakanyanya nekuda kwekuchengetedzeka kwayo uye mutengo wayo wakaderera. Reverse emulsion polymerization inosarudzwa pakushandisa kwepamusoro-soro, uye radiation - initiated polymerization inzira itsva inogona kugadzira PAM pakupisa kwekunze pasina makemikari anotanga.
PAMine hunhu hwakanaka hwemuviri uye hwemakemikari. Ine hunhu hwakanaka hwekunyungudika mumvura uye inogona kunyungudika mumvura inotonhora kuti igadzire mhinduro yakamanikana. Maketani ayo ane huremu hwakawanda anogona kugadzira "mabhiriji" pakati pezvikamu zvakanyungudika, zvichiita kuti zvikamu zvakasungirirwa zvitsvedzerere uye zvisashande mumvura. Pamusoro pezvo, PAM ine hunhu hwekukora, kunamira, uye kudhonza-kuderedza.
Panyaya yemashandisirwo, PAM inoshandiswa zvakanyanya mukuchenesa mvura, mukuchera peturu, kugadzira mapepa, nemamwe maindasitiri. Mukuchenesa mvura, inogona kushandiswa semushonga wekubatanidza zvinhu zvakaita sePAC kuti igadzire tsvina yemumaguta, mvura yakasviba yemumaindasitiri, uye mvura yakasviba inoshambidzwa nemarasha. Muindasitiri yepeturu, inoshandiswa semushonga wemvura inofashaira kuti ivandudze kudzoreredzwa kwemafuta. Muindasitiri yekugadzira mapepa, inogona kuvandudza huwandu hwezvinhu zvinozadza nemavara uye kuwedzera simba repepa.
Zvisinei, pakushandisa PAM, matanho ekudzivirira anofanira kutorwa. Semuenzaniso, inofanira kunyungudutswa mumvura yakachena, uye kumhanya kwekukurunga hakufanirwe kunge kwakanyanya kukurumidza kudzivirira cheni yemamorekuru kuti isaputsike. Chiyero chinofanira kutariswa kuburikidza nekuongororwa kudiki, nekuti kushandiswa zvakanyanya kuchaita kuti mvura ive yakamanikana uye kukanganisa kusvibiswa.
Kazhinji, PAM ipolymer inoshandiswa zvakasiyana-siyana uye inokosha. Nekukura kuri kuramba kuchiita indasitiri, mikana yekushandisa kwayo ichave yakakura, asi panguva imwe chete, tinofanirawo kutarisisa kushandiswa kwayo kwakachengeteka uye kukanganisa nharaunda.
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