Polyacrylam Cov Txheej Txheem Ntau LawmXws li kev sib tsoo, polymerization, granulation, ziab, cua txias, tsoo thiab ntim. Cov khoom siv raw nkag mus rau cov khoom siv roj hmab los ntawm cov raj xa hluav taws xob los ntawm cov khoom sib xyaw ua key, txias rau cov khoom siv roj polymerization Pib rau polymerization, tom qab polymerization, cov roj hmab block, xa mus rau tus pelletizer rau granulation, granulated pelulation xa mus rau lub txaj qhuav rau ziab. Cov khoom siv qhuav tau xa mus rau qhov crushing thiab kev ntsuam xyuas cov txheej txheem rau kev sib tsoo. Tom qab crushing, cov khoom nkag mus rau hauv lub kaw lus ntim rau ntim thiab cov khoom tiav cov khoom tiav.
PolyacrylamideCov txheej txheem ntau lawm muaj ob kauj ruam
Monomer Cov Txheej Txheem Ntau Lawm
Kev tsim Acrylamide Monomer yog raws li acrylonitrile raws li cov khoom siv roj av, tom qab cov khoom siv roj av, tom qab cov khoom siv roj av ntawm acrylamide monomer yog cov khoom siv raw rau kev tsim cov poly444 acrylamide.
Acryloniturile + (Dej catalyst / Dej) → sib xyaw → crude acrylamide → refined → refined acrylamide.
Polyacrylamide aqueous kev daws yog siv los ua cov khoom siv raw rau ntau lawm. Nyob rau hauv qhov kev txiav txim ntawm qhov pib, polymerization yog nqa tawm. Tom qab cov tshuaj tiv thaiv tiav, cov pos hniav polyacrylamide generated yog txiav, granulated, qhuav thiab crushed, thiab thaum kawg polyacrylamide cov khoom tau npaj. Cov txheej txheem tseem ceeb yog polymerization. Nyob rau hauv cov txheej txheem kev kho vaj tse tom ntej, kev saib xyuas yuav tsum tau them rau kev ua haujlwm txias, thermal degradation thiab crosslinking, thiaj li ua kom ntseeg tau tias cov txheeb ze ntawm polyacrylamide.
Acrylamide+ Dej (Qhov pib / polymerization) → polyacrylamide flock → granulation → crushing → polyacrylamide khoom
Lub Sijhawm Post: Feb-08-2023