Cov tshuaj polyaminessawv cev rau ib pawg ntawm cov organic compounds uas muaj ntau pawg amino. Cov compounds no, uas feem ntau tsis muaj xim, cov kua tuab ntawm ze li ntawm cov pH nruab nrab. Los ntawm kev ntxiv cov amines lossis polyamines sib txawv thaum lub sijhawm tsim khoom, cov khoom polyamine nrog cov qhov hnyav molecular sib txawv thiab cov degree ntawm branching tuaj yeem tau txais los hloov kho rau cov teb kho dej sib txawv.
Yog li ntawd, cov ntawv thov ntawm polyamines hla ntau yam lag luam, suav nrog kev ua kom dej ntshiab, kev sib cais roj-dej, kev tshem tawm xim, kev kho cov khib nyiab, thiab kev sib xyaw ua ke ntawm cov roj hmab hauv cov nroj tsuag roj hmab. Cov tshuaj no kuj pom tias muaj txiaj ntsig zoo hauv kev lag luam txheej thiab ntawv, nrog rau ntau yam kev siv xws li kev kho cov khib nyiab ua cov nqaij, xws li cov khib nyiab cog qaib. Polyamines muaj nyob rau hauv ntau qib, nrog rau cov khoom khov kho txij li 50 txog 60%.
Cov Polyamines zoo heev hauv kev sib xyaw cov colloidal dispersions, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov tswj kev tso nyiaj txog pulp, stock, wires, lossis felts. Lawv tshem tawm cov organic thiab xim ntawm cov dej rov ua dua lossis cov dej khib nyiab hauv cov pulp thiab cov ntawv zeb. Txawm li cas los xij, kev xaiv cov khoom polyamine pheej yig tshaj plaws yuav tsum muaj kev ntsuam xyuas kev ua tau zoo uas haum rau cov khoom noj lossis cov dej tshwj xeeb uas npaj rau kev kho mob. Polyamines tuaj yeem muab tshuaj huv si lossis diluted hauv kab ntawm qhov chaw kho mob.
Cov kev cai siv tshuaj rau cov polyamines nyob ntawm qhov hnyav ntawm qhov teeb meem ntawm tes. Rau kev tswj cov khoom tso rau hauv cov pulp lossis cov khoom lag luam, cov tshuaj feem ntau yog txij li 0.25 txog 2.5 kilograms ntawm polyamine rau ib tuj ntawm cov pulp lossis cov khoom lag luam (qhuav). Thaum daws cov teeb meem tso rau ntawm daim ntaub, cov tshuaj pom zoo yog txij li 0.10 txog 1.0 milliliters ib feeb rau ib ko taw ntawm qhov dav ntawm daim ntaub.
Kev khaws cia thiab kev siv cov polyamines kom zoo yog qhov tseem ceeb heev rau kev tswj hwm lawv cov txiaj ntsig. Polyamines yuav tsum khaws cia rau hauv qhov kub ntawm 10–32 ° C. Kev raug rau lub sijhawm luv luv rau qhov kub thiab txias sab nraum qhov ntau no feem ntau tsis ua rau cov khoom puas tsuaj. Yog tias khov, polyamines yuav tsum tau sov rau 26–37 ° C thiab sib tov kom huv si ua ntej siv. Lub sijhawm khaws cia ntawm polyamines feem ntau ntev txog 12 lub hlis.
Hauv kev siv tiag tiag, kev sib xyaw ua ke ntawmPolyamine FlocculantKev siv PAC (polyaluminum chloride) ua pov thawj tias nws ua tau zoo dua rau kev tshem tawm cov dej turbidity hauv cov txheej txheem kho dej. Kev sib xyaw ua ke ntawm PAC/polyamine ua rau txo cov tshuaj PAC, txo cov aluminium ion seem hauv cov dej kho, thiab txhim kho kev tshem tawm cov dej turbidity.
Thaum lub sijhawm khaws cia, cov polyamines yuav tsum khaws cia rau hauv lawv cov thawv qub uas muaj qhov cua, kom deb ntawm qhov kub thiab tshav ntuj ncaj qha. Yog xav paub ntxiv txog kev siv thiab kev ceev faj txog kev nyab xeeb, cov neeg siv yuav tsum saib daim ntawv lo ntawm cov khoom thiab Daim Ntawv Qhia Txog Kev Nyab Xeeb (SDS).
Peb yog cov kws tshaj lijtus neeg muag khoom ntawm polyaminesrau kev kho mob hauv kev lag luam. Polyamine muag hauv peb lub tuam txhab tuaj yeem ua haujlwm tau ntev heev! Tiv tauj peb! ( Email:sales@yuncangchemical.com )
Lub sijhawm tshaj tawm: Kaum Ib Hlis-04-2024
