Synthesis and Solution Properties of Comb-Like Acrylamide Copolymers
Polymer Materials Science and Engineering(2009)
Abstract
A novel macromonomer p-vinyl benzyl chloride and polyoxyethylene octylphenol ether(VBPOE) was synthesized,which molecular structure was identified by 1H-NMR.The comb-like acrylamide copolymers(PAVA) were synthesized using acrylamide(AM),VBPOE and sodium-2-acrylamido-2-methylpropane sulphonate(NaAMPS) by micellar free radical copolymerization technique,and the copolymers were characterized with FT-IR and 1H-NMR.When fraction of VBPOE is 0.5%,the apparent viscosity of 0.20 g/dL PAVA in 0.0855 mol/L NaCl solution is 986.7 mPa·s at 30 ℃,indicating that the copolymers exhibit good thickening and salt resistance property.The apparent viscosity of 0.15 g/dL PAVA aqueous solution is up to 281.2 mPa·s at 75 ℃,exhibiting the good heat-resisting property.In addition,PAVA displays the good thixotropic behavior.
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Key words
copolymers,comb-like
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