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lynn6216
第22楼2012/08/09
Mark-Houwink Parameters for PolymersPolymer Solvent °C a; K (dl/gm) Amylose DMSO 20°C 0.820; 0.0000397 Amylose Water 20°C 0.680; 0.0001320 Amylose Formamide 20°C 0.670; 0.0002260 Amylose Propionate THF 25°C 0.610; 0.024800 Amylose Acetate THF 25°C 0.700; 0.010800 Amylose Butyrate THF 25°C 0.700; 0.011100 Butyl Rubber THF 25°C 0.750; 0.000085 Bun a-N-rubber Acetone 25°C 0.640; 0.0005000 Bun a-N-rubber Chloroform 25°C 0.680; 0.0005400 Cellulose Acetate DMAc 25°C 0.600; 0.001910 Cellulose Acetate DMSO 25°C 0.610; 0.001710 Cellulose Acetate Water 25°C 0.600; 0.000209 Cellulose Diacetate THF 25°C 0.688; 0.051300 Cellulose Diacetate DMAc 25°C 0.738; 0.000395 Cellulose Diacetate Acetone 25°C 0.616; 0.001330 Cellulose Diacetate TFA 25°C 0.696; 0.000527 Cellulose Triacetate TFA 25°C 0.706; 0.000396 Cellulose Triacetate DMAc 25°C 0.750; 0.000264 Cellulose Triacetate MeHCL2 20°C 0.7004; 0.000247 Cellulose Triacetate Chloroform 30°C 0.900; 0.000450 Cellulose Triacetate o-cresol 30°C 0.900; 0.000615 Cellulose Nitrate THF 25°C 1.000; 0.002500 Cellulose Nitrate Ethyl Acetate 30°C 1.010; 0.000250 Cellulose Tri nitrate THF 25°C 0.830; 0.000321 Dextrans 0.2M NaNO3 45°C 0.5300; 0.0007000 Dextrans 0.1M NaNO3; 0.1% Et. Glycol 30°C 0.4000; 0.0037000 Dextrans 0.1M NaCl 30°C 0.4200; 0.0024300 Dextrans 0.05M Na2SO4 30°C 0.5000; 0.0009000 Dextrans Linear Water 25°C 0.5000; 0.0009780 Dextrans Linear Formamide 25°C 0.4900; 0.0016500 Ethyl Cellulose Acetone 20°C 1.0500; 0.0000151 Ethyl Cellulose Methanol 25°C 0.6500; 0.0005230 Hyaluronic Acid 0.2M NaCl 25°C 0.8160; 0.0002280 Hydroxyethyl Starch 0.05M NaNO3 30°C 0.2890; 0.0063700 Hydroxypropyl Cellulose 0.05M Na2SO4 30°C 1.1160; 0.0000115 Hydroxyethyl Cellulose Water 25°C 0.8700; 0.0000953 Polyaryloxyphosphazene THF 30°C 0.6490; 0.00000119 Polyacetals HFIP/H2O 1/1.7+1% TFA 25°C 0.6900; 0.0008700 Polyacrylic Acid-Na
Below Mw = 20,0000.05M Na2SO4 30°C 0.5000; 0.0017400 Polyacrylic Acid - Na
Below Mw = 20,0000.05M Na2SO4 30°C 0.8600; 0.0000400 Polyacrylic Acid - Na 0.50M NaBr 15°C 0.6200; 0.0005270 Polyacrylic Acid - Na 2.00M NaOH 25°C 0.6400; 0.0004220 Polyacrylic Acid 1,4-dioxane 30°C 0.5000; 0.0007600 Polyacrylamides 0.05M Na2SO4 30°C 0.6600; 0.0003730 Polyacrylamides Water 30°C 0.8000; 0.0000631 Polyacrylamides 0.15M Na2SO4 1%AA 35°C 0.6400; 0.0004159 Polyacrylonitrile DMF 30°C 0.750; 0.000393 Polyacrylonitrile DMF 30°C 0.750; 0.000209 Polyacrylonitrile DMF 20°C 0.780; 0.000177 Polyacrylonitrile DMF 80°C 0.450; 0.012600 Polyacrylonitrile DMAc 35°C 0.767; 0.000275 Polyacrylonitrile DMAc 50°C 0.764; 0.000274 Polyacrylonitrile DMSO 50°C 0.758; 0.000283 Polyacrylonitrile DMSO 140°C 0.750; 0.000209 Polyacrylonitrile Y-butyro lactone 30°C 0.700; 0.000342 PBT Polyester o-CP 25°C 0.915; 0.0000622 Poly 1,4 butadiene THF 25°C 0.440; 0.007600 Poly 1,4 butadiene THF 40°C 0.670; 0.000578 Poly 1,2 butadiene THF 40°C 0.850; 0.0000601 Polybutadiene THF 25°C 0.750; 0.000236 Polybutadiene
57% trans; 36% cisTHF 30°C 0.740; 0.000256 Polybutadiene
57% trans; 36% cisToluene 30°C 0.753; 0.000294 Polybutadiene THF 30°C 0.715; 0.000350 Polybutadiene ODCB 135°C 0.746; 0.000270 Polybutadiene Chloroform 30°C 0.712; 0.000428 Polybutadiene Toluene 30°C 0.714; 0.000364 Polybutadiene
95% cis; 2%-1,2Toluene 30°C 0.725; 0.000305 Polybutadiene
95% cis; 2%-1,2Benzene 30°C 0.715; 0.000335 Polybutyl methacrylate Benzene 30°C 0.770; 0.000400 Polyethyl acrylate Benzene 30°C 0.670; 0.002770 Polyethyl acrylate Acetone 30°C 0.660; 0.002000 Polyethyl acrylate Chloroform 30°C 0.680; 0.003140 Polyethyl acrylate EtAcetate 30°C 0.660; 0.002600 Polycarbonate THF 25°C 0.670; 0.000490 Polycarbonate THF 25°C 0.700; 0.000389 Polycarbonate Chloroform 25°C 0.740; 0.000301 Polycarbonate Methylene Chloride 25°C 0.740; 0.000299 Polychloroprene THF 25°C 0.830; 0.0000418 DMS Toluene 30°C 0.7200; 0.0000828 DMS Toluene 35°C 0.7030; 0.0001258 PET Polyester HFIP 25°C 0.750; 0.0039300 PET Polyester o-CP 25°C 0.658; 0.0009631 PET Polyester TFA Acid 30°C 0.680; 0.0004300 Polydimethylsiloxane ODCB 135°C 0.570; 0.0003830 Polydimethylsiloxane Chloroform 30°C 0.770; 0.0000540 Polydimethylsiloxane Toluene 30°C 0.731; 0.0000624 Polyethylene Glycol 0.05M Na2SO4 30°C 0.5700; 0.0010400 Polyethylene TCB 135°C 0.706; 0.000517 Polyethylene LP TCB 135°C 0.640; 0.000954 Polyethylene LP Xylene 105°C 0.725; 0.000510 Polyethylene LP Decalin 135°C 0.700; 0.000620 Polyethylene HP Decalin 70°C 0.738; 0.003873 Polyethylene HP Xylene 75°C 0.630; 0.001350 Polyethylene Oxides 0.05M Na2SO4 30°C 0.6930; 0.0003650 Polyethylene Oxides Acetone 25°C 0.6700; 0.0003200 Polyethylene Oxides Toluene 35°C 0.7000; 0.0001450 Polyethylene Oxides Water 30°C 0.7800; 0.0001250 Polyisoprene THF 25°C 0.735; 0.000177 Polyisoprene Toluene 25°C 0.667; 0.000250 Polyisoprene-cis Toluene 30°C 0.728; 0.000200 Polyisobutylene Toluene 0°C 0.600; 0.000400 Polyisobutylene Toluene 15°C 0.650; 0.000240 Polyisobutylene Toluene 30°C 0.670; 0.000200 Polyisobutylene Toluene 50°C 0.680; 0.000200 Polyisobutylene Toluene 60°C 0.710; 0.000135 Polyisobutylene Toluene 90°C 0.720; 0.000126 Polyisobutylene THF 30°C 0.661; 0.000197 Polyisobutylene Benzene 30°C 0.560; 0.000610 Polyisobutylene Carbon Tet 30°C 0.680; 0.000290 Polyisobutylene Cyclohexane 30°C 0.690; 0.000276 Polymethyl acrylate Acetone 30°C 0.520; 0.000282 Polymethyl acrylate Benzene 30°C 0.798; 0.000036 Polymethyl acrylate Toluene 30°C 0.697; 0.000078 PMMA Low MW THF 25°C 0.406; 0.002110 PMMA Toluene 25°C 0.660; 0.000154 PMMA Toluene 25°C 0.730; 0.000071 PMMA Toluene 25°C 0.710; 0.0000812 PMMA DMF (0.1 LiBr) 50°C 0.642; 0.0002094 PMMA THF 30°C 0.690; 0.000128 PMMA High MW THF 25°C 0.720; 0.000075 PMMA Benzene 30°C 0.760; 0.000940 PMMA atactic Toluene 30°C 0.710; 0.000070 PMMA atactic Benzene 30°C 0.760; 0.000052 PMMA atactic Acetonitrile 30°C 0.500; 0.000393 PMMA atactic Acetone 30°C 0.700; 0.000077 PMMA isotactic Acetone 30°C 0.630; 0.000230 PMMA isotactic Benzene 30°C 0.760; 0.000052 Poly(methacrylic acid) Methanol 26°C 0.510; 0.002420 Poly(methyacrylic acid) 2M NaNO3 25°C 0.650; 0.000449 Polypropylene Glycol THF 30°C 0.585; 0.0006200 Polypropylene TCB 145°C 0.750; 0.0001370 Polypropylene Decalin 135°C 0.770; 0.0001580 Polypropylene TCB 135°C 0.800; 0.0000834 Polypropylene iso TCB 145°C 0.760; 0.0001560 Polypropylene iso TCB 130°C 0.760; 0.0001520 Polypropylene atactic Decalin 135°C 0.770; 0.001580 Polypropylene atactic TCB 130°C 0.730; 0.001960 Polypropylene atactic Toluene 30°C 0.725; 0.000218 Polypropylene atactic Benzene 30°C 0.670; 0.000338 Polypropylene atactic Cyclohexane 30°C 0.760; 0.000209 Polypropylene atactic THF 30°C 0.780; 0.000114 Polypropylene syndiotactic Heptane 30°C 0.710; 0.000312 Polystyrene (linear) THF 25°C 0.706; 0.000160 Polystyrene (linear) THF 25°C 0.700; 0.000160 Polystyrene (linear) Low MW THF 30°C 0.428; 0.001700 Polystyrene anionic THF 30°C 0.712; 0.000128 Polystyrene (linear) Toluene 20°C 0.722; 0.000112 Polystyrene (linear) Toluene 30°C 0.750; 0.000088 Polystyrene (iso) Toluene 30°C 0.725; 0.000110 Polystyrene (linear) Chloroform 30°C 0.760; 0.000720 Polystyrene (linear) Cyclohexane 30°C 0.500; 0.008600 Polystyrene (linear) TCB 140°C 0.653; 0.000232 Polystyrene atactic Benzene 30°C 0.730; 0.000115 Polystyrene atactic Toluene 30°C 0.725; 0.000110 Polystyrene atactic Chloroform 30°C 0.794; 0.000049 Polystyrene atactic Decalin 30°C 0.530; 0.000610 Polystyrene atactic Dichloroethane 30°C 0.740; 0.000084 Polystyrene isotactic Benzene 30°C 0.735; 0.000106 Polystyrene isotactic Chloroform 30°C 0.734; 0.000259 Polystyrene isotactic Toluene 30°C 0.725; 0.000100 Polystyrene (comb) THF 23°C 0.560; 0.000220 Polystyrene (star) THF 23°C 0.740; 0.000035 Poly a-methylstyrene THF 30°C 0.690; 0.000150 Polystyrene Sulfonate 0.05M Na2SO4 30°C 0.7000; 0.0001250 Polystyrene Sulfonate 0.10M NaCl 25°C 0.6800; 0.0001780 Polystyrene Sulfonate 0.05M NaCl 25°C 0.7200; 0.0001390 Polysulfone DMF 80°C 0.532; 0.000820 Pullulans 0.05M Na2SO4 30°C 0.6650; 0.0002010 Natural Rubber THF 25°C 0.7900; 0.0001090 Natural Rubber Benzene 30°C 0.7400; 0.0001850 Nylon 6 90% HCOOH 25°C 0.7000; 0.0014500 Nylon 6 m-cresol 25°C 0.6200; 0.0032000 Nylon 66 90% HCOOH 25°C 0.6800; 0.0011000 Nylon 66 90% HCOOH 25°C 0.7200; 0.0011000 Nylon 66 o-chlorophenol 25°C 0.6200; 0.0016800 Nylon 66 m-cresol 25°C 0.6100; 0.0024000 Nylon 12 m-cresol 25°C 0.7400; 0.0008100 Nylon 12 H2SP4 96% 25°C 0.6400; 0.0006940 Polyvinyl Alcohol 100%H 0.1M Na2SO4 35°C 0.5700; 0.0012620 Polyvinyl Alcohol 100%H 0.1M Na2SO4 35°C 0.5670; 0.0013489 Polyvinyl Alcohol 100%H 0.1M Na2SO4 35°C 0.5600; 0.0013710 Polyvinyl Alcohol 100%H 0.1M Na2SO4 35°C 0.5690; 0.0012530 Polyvinyl Alcohol 100%H 0.1M Na2SO4 35°C 0.5170; 0.0020559 Polyvinyl Alcohol 88%H H2O/CH3CN (80/20) 35°C 0.5300; 0.0022909 Polyvinyl Alcohol 88%H H2O/CH3CN (80/20) 35°C 0.5400; 0.0016218 Polyvinyl Alcohol 88%H H2O/CH3CN (80/20) 35°C 0.5200; 0.0021396 Polyvinyl Alcohol 88%H H2O/CH3CN (80/20) 35°C 0.6500; 0.0006456 Polyvinyl Alcohol 98%H 0.05M Na2SO4 30°C 0.5300; 0.0017400 Polyvinyl Alcohol Water 30°C 0.6400; 0.0005430 Polyvinyl Alcohol Water 30°C 0.6400; 0.0006660 Polyvinyl Alcohol Water 80°C 0.5600; 0.0009400 Poly 2-Vinylpyridine 0.1M Na formate 30°C 0.9300; 0.0000250 Poly(vinylpirrolidone) Chloroform 25°C 0.6400; 0.0001940 Poly(vinylpirrolidone) MeOH 30°C 0.6500; 0.0002300 Poly(vinylpirrolidone) MeOH/H2O 1:1 0.1M LiNO3 30°C 0.6500; 0.0001320 Poly(vinylpirrolidone) 0.05M Na2SO4 25°C 0.7480; 0.0001127 Poly(vinylpirrolidone) Water 2°C5 0.5500; 0.0005650 Poly(vinylpirrolidone) Water 30°C 0.5900; 0.0003930 PVCl THF 25°C 0.766; 0.000163 PVCl THF 25°C 0.776; 0.000163 PVCl THF 30°C 0.770; 0.000150 PVCl THF 30°C 0.830; 0.000833 PVCl Cyclohexane 25°C 0.780; 0.000138 PVCl Chlorobenzene 30°C 0.590; 0.000712 PVCl Cyclohexane 30°C 0.770; 0.000163 Polyvinyl butyrate Benzene 30°C 0.735; 0.000112 Polyvinyl methyl ether Benzene 30°C 0.600; 0.000760 PVBr THF 25°C 0.640; 0.000159 PVAc Linear THF 25°C 0.700; 0.000160 PVAc Linear THF 25°C 0.791; 0.000051 PVAc Branched THF 30°C 0.630; 0.000350 PVAc Branched Acetone 25°C 0.680; 0.000214 PVAc Branched Acetone 30°C 0.720; 0.000102 PVAc Branched Methanol 25°C 0.590; 0.000380 PVAc Branched Methanol 30°C 0.600; 0.000314 PVAc Branched Toluene 25°C 0.530; 0.001080 PVAc Branched Benzene 30°C 0.620; 0.000563 PVAc Branched Acetonitrile 30°C 0.620; 0.000415 PVAc Branched Ethyl Formate 30°C 0.650; 0.000320 PVAc Branched Chloroform 25°C 0.720; 0.000203 Poly THF Toluene 28°C 0.780; 0.000251 Poly THF Ethyl Acetate 30°C 0.560; 0.000422 SBR (25%S) THF 25°C 0.693; 0.000410 SBR (28% Sytrene) THF 25°C 0.693; 0.000451 SBR, Buna-S, GR-S Toluene 25°C 0.667; 0.000525 SBR, Buna-S, GR-S Toluene 30°C 0.710; 0.000379 SBR, Buna-S, GR-S Cyclohexane 30°C 0.700; 0.000316 SBR, Linear Fract Toluene 30°C 0.740; 0.000214 SBR, Branched Fract Toluene 30°C 0.480; 0.005350 Xanthan 0.1M NaCl 25°C 1.140; 0.0000017 Xanthan 0.1M NaNO3, 0.1% Et. Glycol 30°C 1.1000; 0.0037024
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abuhaier
第30楼2019/06/22
这里有个错误概念，不是能溶解聚合物的试剂，就可以做GPC/SEC的流动相的啊！这里面有很多因素、原因。另外，上表中列出的某些聚合物，可以用好几种溶剂溶解，这也很正常，但是并不意味着都适合做流动相/溶剂的。甲苯、苯，甚至是氯仿，都很少用作GPC/SEC的流动相，因为挥发性太大了，尤其是带激光散射检测器MALS的GPC/SEC，因为挥发性大，影响了样品的准确浓度，而这个准确浓度，要代入公式计算绝对分子量的啊！所以，通常是用THF代替的。以前，用间甲苯酚作流动相分析尼龙的分子量，就是个经典的错误方法，说了无数次，国内不少人就是不听，没辙了，瞎做吧就，自娱自乐。