Txuj Ci Ntau Lawm
Txoj Kev 1: Kev Siv Hydrolysis Qauv
TusAcrylamideTau los ntawm hydrolysis txoj kev muaj qhov faib tawm tsis xwm yeem ntawm cov saw acrylamide ntawm macromolecular chains. Feem pua Molar ntawmAcrylamideCov saw hlau ntawm macromolecular chains yog qib ntawm hydrolysis.
Piv nrog cov qauv copolymerization, cov dej-soluble anti-dandroll factor (HD) ntawm cov khoom npaj los ntawm cov khoom lag luam hydrolysis yog tsis muaj siab, tsawg dua 30%. Theoretically, cov khoom nrog HD ntau dua 70% yuav tsum npaj los ntawm cov kev xav tau ntawm cov txheej txheem hydrolysy thiab cov xwm txheej rau cov txheej txheem hydrolysis.
Txoj kev 2: Polymerization ntawm cov kua aqueous
Cov tshuaj aqueous polymerization polymerization nyob rau hauv uas cov kev tawm tsam monomer thiab tus pib yog yaj hauv dej. Hom no yog yooj yim, tsawg tawm los ntawm polymer, yog thawj txoj kev siv hauv kev lag luam polyacrylamide, thiab tau yog txoj kev lag luam tseem ceeb ntawm kev lag luam polyacrylamide. Polymerization ntawm cov kua aqueous tau kawm tob.
Txoj Kev 3: Inverted Emulsion Polymerization
Thim rov qab-theem colloidal system yuav tsum tau npaj ua ntej-roj / roj (w /> cov roj ntsha thiab cov roj lossis emulsifier, thiab tom qab ntawd tus pib yog ntxiv rau pub dawb lub hauv paus polymerization.
Feem ntau, cov roj soluble pib tau siv hauv kev thim rov qab, feem ntau anionic pub dawb cov pib, xws li cov dej ntws los rau cov dej sib xyaw. Muaj ob txoj kev pom ntawm nucleation mechanism ntawm Am / Aa Reversed Emulsion Polymerization: Micellar Nucleation thiab Monomer nthuav tawm nucleation. Lub Kinetics yog qhov sib txawv heev ntawm qhov uas ntawm kev raug zoo emulsion polascerization.
Txoj kev 4: Rov qab Kev Kawm Dua Tshiab Polymerization
Thim rov qab-theem kev kawm polymerization yog ib txoj kev zoo rau kev lag luam ntawm cov dej-soluble polymers tsim nyob rau hauv 10 xyoo tsis ntev los no. Di-Monie kawm AM thim rov qab-theem kev kawm polymerization siv conductivity, nmr thiab electron metercopy xyoo 1982.
Txoj kev 5: lwm txoj kev polymerization
Ntxiv rau cov txheej txheem saum toj no, homopolymer thiab copolymer ntawm acrylamide thiab nws cov derivatives thiab nws tuaj yeem hloov kho los ntawm Mannich cov tshuaj tiv thaiv thiab txuas cov ntawv luam tawm Copolymerizerizerization. Cov lus qhia txog ntawm polyaCrylamide thaum lub sij hawm polyacrylamide thaum lub sij hawm mansich cov tshuaj yog ib txoj hauv kev tseem ceeb kom tau txais cationic polyelectrograft ntawm polyacrylamide. Cov amines siv feem ntau yog dimethylamine, diethylamine, diethanoline thiab li ntawd.
AM / AA feem ntau tau txuas nrog cov hmoov txhuv nplej siab los npaj cov txiaj ntsig zoo, lossis nrog rau lwm cov duab macromolecular los txuas Am / Aa mus rau qee daim Whip. Siab molecular hnyav cationic polyacrylamide (CPAM) yog siv dav hauv cov roj ntau lawm, tab sis HPAM muaj kev ua tsis zoo ntsev.
Lub sij hawm Post: Mar-09-2023