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Tham khảo tài liệu 'thermodynamic data of copolymer solutions part 4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 3. LIQUID-LIQUID EQUILIBRIUM LLE DATA OF QUASIBINARY OR QUASITERNaRy copolymer solutions 3.1. Cloud-point and or coexistence curves of quasibinary solutions Copolymers from acrylonitrile and styrene Average chemical composition of the copolymers acronyms and references Copolymer B Acronym Ref. Acrylonitrile styrene copolymer 25.0 wt acrylonitrile 25.0 wt acrylonitrile S-AN 25w S-AN 25w 98SCH 2000SCH Characterization Copolymer B MJ g mol Mw g mol M g mol Further information S-AN 25w 90000 147000 Bayer AG Leverkusen Germany Experimental LLE data copolymer B solvent A S-AN 25W toluene C7H8 98SCH 2000SCH 108-88-3 Type of data cloud-points UCST-behavior WB 0.006 0.010 0.020 0.042 0.061 0.080 0.081 0.101 0.141 T K 324.35 326.85 326.15 321.35 316.85 313.15 313.15 309.35 300.25 2001 by CRC Press LLC copolymer B S-AN 25w solvent A toluene Type of data critical point UCST UB 0.080 T K 313.15 98SCH 2000SCH C7H8 108-88-3 copolymer B S-AN 25w solvent A toluene C7H8 98SCH 2000SCH 108-88-3 Type of data coexistence data tie lines The total feed concentration of the copolymer in the homogeneous system is UB 0.080 This is the critical concentration i.e. sol phase and gel phase are identical phases at the critical point see the first line in the table below. Demixing temperature Ub sol phase gel phase Fractionation during demixing sol phase gel phase T Mn Mw Mn Mw K g mol g mol g mol g mol 313.15 0.080 0.080 90000 147000 90000 147000 311.65 0.055 0.125 62000 124000 80000 170000 309.35 0.043 0.151 48500 105000 74500 163000 307.05 0.029 0.156 56500 187000 84000 167000 305.15 0.046 0.147 54000 110000 91000 174000 302.95 0.035 0.168 47000 89000 90000 171000 300.95 0.042 0.181 48000 90000 90000 175000 299.15 0.033 0.178 80000 170000 79000 169000 Comments apparent Mw and Mn values were determined via polystyrene standard 2001 by CRC Press LLC Copolymers from N-cyclopropylacrylamide and vinylferrocene Average chemical composition of the copolymers acronyms and references Copolymer B Acronym
