chapter  4
12 Pages

HIGH-PRESSURE PHASE EQUILIBRIUM (HPPE) DATA OF AQUEOUS POLYMER SOLUTIONS

Polymer (B) Solvent (A) Ref. _____________________________________________________________________________ Hydroxypropylcellulose water 2001KUN _____________________________________________________________________________ N-Isopropylacrylamide/acrylic acid copolymer water 1993OTA

water 2000YAM _____________________________________________________________________________ N-Isopropylacrylamide/1-deoxy-1-methacrylamide-D-glucitol copolymer water 2001GOM _____________________________________________________________________________ N-Isopropylacrylamide/4-pentenoic acid copolymer water 1999KUN _____________________________________________________________________________ Poly(butylene terephthalate) water 1991SCH _____________________________________________________________________________ Poly(ethylene glycol) water 1976SAE _____________________________________________________________________________ Poly(ethylene oxide) water 1992COO _____________________________________________________________________________ Poly(N-isopropylacrylamide) water 1993OTA

water 1997KUN water 1999KUN

_____________________________________________________________________________ Poly(methacrylic acid) water 1974TAN _____________________________________________________________________________ Poly(propylene glycol) water 1974TAN _____________________________________________________________________________ Poly(N-vinylisobutyramide) water 1997KUN

water 1999KUN _____________________________________________________________________________ N-Vinylacetylamide/vinyl acetate copolymer water 2003SET _____________________________________________________________________________ N-Vinylformamide/vinyl acetate copolymer water 2003SET _____________________________________________________________________________

Type of data: cloud points (UCST-behavior)

wA 0.90 0.90 0.90 0.90 0.864 0.864 0.864 0.864 wB 0.10 0.10 0.10 0.10 0.096 0.096 0.096 0.096 wC 0.00 0.00 0.00 0.00 0.04 0.04 0.04 0.04 T/K 369.9 370.2 369.8 369.9 356.7 355.7 355.5 355.1 P/MPa 1.10 3.10 6.10 8.10 12.10 13.60 15.10 17.10

Type of data: cloud points (UCST-behavior)

wA 0.90 0.90 0.90 0.90 0.90 0.90 0.882 0.882 0.882 wB 0.10 0.10 0.10 0.10 0.10 0.10 0.098 0.098 0.098 wC 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.02 T/K 414.7 415.0 414.0 413.8 412.8 414.7 407.1 405.0 405.3 P/MPa 1.10 3.10 7.10 10.10 12.10 16.10 4.40 10.10 13.10

wA 0.098 0.096 0.096 0.096 wB 0.098 0.096 0.096 0.096 wC 0.02 0.04 0.04 0.04 T/K 405.2 395.6 394.7 393.9 P/MPa 15.90 11.93 14.10 16.60

Type of data: gas solubility

T/K = 298.15

P/MPa 0.385 0.730 1.327 1.753 2.077 2.533 3.030 3.587 4.053 xA 0.0798 0.1386 0.2100 0.2584 0.2856 0.3224 0.3650 0.4139 0.4600

T/K = 313.15

P/MPa 0.517 0.963 1.317 1.814 2.148 2.614 2.908 3.567 4.063 xA 0.0753 0.1374 0.1748 0.2211 0.2474 0.2772 0.2976 0.3366 0.3716

T/K = 333.15

P/MPa 0.547 0.922 1.327 1.854 2.290 2.553 2.928 3.526 4.083 xA 0.0558 0.0879 0.1215 0.1557 0.1814 0.1958 0.2188 0.2562 0.2996

Type of data: gas solubility

T/K = 298.15

P/MPa 1.023 1.510 1.672 2.057 2.361 2.634 3.009 3.405 3.769 xA 0.0022 0.0031 0.0035 0.0042 0.0049 0.0055 0.0062 0.0070 0.0078

continued

P/MPa 1.013 1.398 1.601 2.097 2.341 2.564 2.999 3.263 3.587 xA 0.0023 0.0032 0.0036 0.0048 0.0054 0.0058 0.0068 0.0074 0.0081

T/K = 333.15

P/MPa 1.023 1.419 1.702 1.935 2.280 2.564 2.979 3.212 3.840 xA 0.0027 0.0038 0.0045 0.0052 0.0060 0.0068 0.0079 0.0086 0.0102

Type of data: gas solubility

T/K = 298.15

P/MPa 1.034 1.439 1.925 2.239 2.564 2.817 3.081 3.405 3.699 xA 0.0031 0.0043 0.0058 0.0067 0.0077 0.0085 0.0092 0.0103 0.0111

T/K = 313.15

P/MPa 1.023 1.419 1.672 1.935 2.219 2.604 2.717 3.091 3.526 xA 0.0035 0.0049 0.0057 0.0067 0.0076 0.0089 0.0096 0.0106 0.0121

T/K = 333.15

P/MPa 1.013 1.409 1.804 1.996 2.169 2.462 2.888 3.101 3.506 xA 0.0037 0.0053 0.0067 0.0074 0.0080 0.0091 0.0106 0.0115 0.0129

wA 0.8145 0.8145 0.8145 0.8094 0.8094 0.8094 0.8065 0.8065 0.8065 wB 0.0795 0.0795 0.0795 0.0790 0.0790 0.0790 0.0787 0.0787 0.0787 wC 0.1060 0.1060 0.1060 0.1116 0.1116 0.1116 0.1148 0.1148 0.1148 T/K 283.85 286.85 290.25 295.85 299.05 303.45 303.55 306.75 311.55 P/bar 1 500 1000 1 500 1000 1 500 1000

wA 0.8194 0.8194 0.8194 0.8151 0.8151 0.8151 0.8097 0.8097 0.8097 wB 0.0800 0.0800 0.0800 0.0796 0.0796 0.0796 0.0789 0.0789 0.0789 wC 0.1006 0.1006 0.1006 0.1053 0.1053 0.1053 0.1114 0.1114 0.1114 T/K 282.85 286.95 291.35 293.25 298.25 302.55 307.15 310.25 315.65 P/bar 1 500 1000 1 500 1000 1 500 1000

wA 0.8546 0.8546 0.8546 0.8498 0.8498 0.8498 0.8547 0.8547 0.8547 wB 0.0200 0.0200 0.0200 0.0200 0.0200 0.0200 0.0199 0.0199 0.0199 wC 0.1254 0.1254 0.1254 0.1302 0.1302 0.1302 0.1254 0.1254 0.1254 T/K 279.65 283.95 292.65 293.65 302.05 309.65 309.65 319.15 327.15 P/bar 1 500 1000 1 500 1000 1 500 1000

wA 0.8439 0.8439 0.8439 0.8389 0.8389 0.8389 0.8334 0.8334 0.8334 wB 0.0407 0.0407 0.0407 0.0405 0.0405 0.0405 0.0403 0.0403 0.0403 wC 0.1154 0.1154 0.1154 0.1206 0.1206 0.1206 0.1263 0.1263 0.1263 T/K 284.05 289.25 296.05 299.25 305.25 311.55 310.95 319.75 326.15 P/bar 1 500 1000 1 500 1000 1 500 1000

wA 0.8338 0.8338 0.8338 0.8292 0.8292 0.8292 0.8245 0.8245 0.8245 wB 0.0613 0.0613 0.0613 0.0609 0.0609 0.0609 0.0607 0.0607 0.0607 wC 0.1049 0.1049 0.1049 0.1099 0.1099 0.1099 0.1148 0.1148 0.1148 T/K 285.25 287.85 293.15 296.75 301.65 306.05 308.75 314.35 320.45 P/bar 1 500 1000 1 500 1000 1 500 1000

wA 0.8244 0.8244 0.8244 0.8200 0.8200 0.8200 0.8150 0.8150 0.8150 wB 0.0952 0.0952 0.0952 0.0999 0.0999 0.0999 0.1056 0.1056 0.1056 wC 0.0952 0.0952 0.0952 0.0999 0.0999 0.0999 0.1056 0.1056 0.1056 T/K 275.45 277.55 280.35 287.95 290.15 294.45 299.85 304.65 308.45 P/bar 1 500 1000 1 500 1000 1 500 1000

water and different salts 2001KUN _____________________________________________________________________________ Penta(ethylene glycol) monoheptyl ether

n-dodecane and water 1992SAS _____________________________________________________________________________ Poly(N-isopropylacrylamide)

water and different salts 1998SUW water and different salts 1999KUN

carbon dioxide and water 1997VIN carbon dioxide and water 1998KAZ

_____________________________________________________________________________ Poly(perfluoropropylene oxide) acid sorbitol ester

carbon dioxide and water 1997SIN _____________________________________________________________________________ Polystyrene

cyclohexane and water 1991DEE _____________________________________________________________________________ Poly(N-vinylisobutyramide)

water and different salts 1998SUW water and different salts 1999KUN

_____________________________________________________________________________ N-Vinylformamide/vinyl acetate copolymer

water and different salts 2003SET _____________________________________________________________________________

1974TAN Taniguchi, Y., Suzuki, K., and Enomoto, T., The effect of pressure on the cloud point of aqueous polymer solutions, J. Colloid Interface Sci., 46, 511, 1974.