American Polymer Standards Corporation

Providing Molecular Weight Determination Services, Polymer Standards and GPC Columns since 1983

 

 

 

Mark-Houwink Parameters for Polymers

Polymer 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 = 20,000 0.05M Na2SO4 30°C 0.5000; 0.0017400
Polyacrylic Acid - Na Below Mw = 20,000 0.05M 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% cis THF 30°C 0.740; 0.000256
Polybutadiene 57% trans; 36% cis Toluene 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%-1,2 Toluene 30°C 0.725; 0.000305
Polybutadiene 95% cis; 2%-1,2 Benzene 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 6/6 90% HCOOH 25°C 0.6800; 0.0011000
Nylon 6/6 90% HCOOH 25°C 0.7200; 0.0011000
Nylon 6/6 o-chlorophenol 25°C 0.6200; 0.0016800
Nylon 6/6 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 25°C 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