常见聚合物的dndc值

SPECIFIC REFRACTIVE INDEX INCREMENTSValues taken from LDC Milton Roy Technical NoteAll measurements performed at 23C unless otherwise specified. Wavelength=633nmSAMPLEdn/dc (ml/gm)Cellulose tricarbanilateTetrahydrofuran, W = 1.39x1060.163a-ChymotrypsinogenAq. 0.15M NaCl, 0.1M phosphate buffer, pH 7.2W = 2.59x1040.1708Deoxyribonucleic acid (calf thymus)Aq. 0.1M tris buffer, pH 8.4, W = 26.4x1060.166DextranWater, W = 6.82x1040.147Dodecylammonium chlorideAq. 1N NaCl0.127GelatinAq. 0.1N NaCl, W = 1.98x1050.163HeparinAq. 0.3N NaCl0.1290Hydroxyethyl starchAq. 0.05N NaCl, W = 5.6x104 - 5.6x1050.1354MucopolysaccharidesAq. 0.1% NaCl, W = 7.2x103 - 3.2x1040.1100PolyacrylamideWater, W = 5.5x1060.142Poly (acrylamide/sodium acrylate) (70/30 mole)Aq. 1N NaNO3, W 1060.165Polyacrylate, sodium saltAq. 0.1N NaCl, W = 6.12x106 - 9.29x1060.175Polyacrylic acidTetrahydrofuran, W = 5.57x1030.0738Tetrahydrofuran, W = 7.2x1030.0994Poly (acrylonitrile/styrene) (28.5/71.5 wt)Tetrahydrofuran, W = 3.83x1040.1546Polyamides:Unspecified composition, tetrahydrofuranW = 2.49x103 - 6.76x1050.106Unspecified composition, N, N- dimethylformamideW = 52.8x103 - 59.4x1030.1747Unspecified composition, formic acidW = 2x104 - 1x1050.1350“Nylon”, hexafluoroisopropanolW = 2300 - 18000.253Polyamines (quarternary ammonium salt)Aq. 0.4N NaCl0.149Aq. 1N NaCl0.133Aq. 2N NaCl0.080Polycarbonates:Unspecified composition, methylene chloride W = 3.0x1040.1582Unspecified composition, tetrahydrofuran W = 3.38x1040.177Polyesters:Unspecified composition, chloroform, W = 1.72x1040.1133Unspecified composition, chloroform, W = 4.4x1030.1250Phthalic acid/propylene oxide/maleic acid (1/2/1 mole),Tetrahydrofuran, W = 1040.117PolyethyleneTrichlorobenzene, W = 5.46x104 - 2.21x105, 135C-0.097o-dichlorobenzene, W = 5.46x104, 135C-0.056a-chloronapthalene, 145C-0.177Polyglycol, unspecified compositionTetrahydrofuran, W = 500 - 3x1030.055PolysobutyleneTetrahydrofuran, W = 33000.0974Tetrahydrofuran, W = 61000.1026Polymethyl methacrylateTetrahydrofuran, W = 6.06x1040.083Poly(methyl methacrylate/butyl methacrylate)(60/40 mole), tetrahydrofuran, W = 6.29x1040.082Polyolefin sulfones:Unspecified composition, tetrahydrofuran, W = 9.18x1050.1132Unspecified composition, chloroform, W = 1.95x1050.101Unspecified composition, chloroform, W = 5.64x1050.082Poly(phenol/formaldehyde), unspecified compositionTetrahydrofuran , W = 4.3x1040.1211Polyphenolic acid, unspecified compositionAq. base, W = 4.2x1060.0854Polypropylene1,2,4 trichlorobenzene, W = 3.66x105, 145C-0.091PolystyreneN,N - dimethylformamide, W = 1.76x1050.159Tetrahydrofuran, W = 9600.1680Tetrahydrofuran, W = 2.4x1030.1768Tetrahydrofuran, W = 4.3x1030.1828Tetrahydrofuran, W = 2.59x1050.1845Toluene, W = 1.78x105 - 2.59x1050.110Poly(styrene/allyl alcohol) (50/50 mole)Tetrahydrofuran, W = 4.2x1030.172Poly(styrene/maleic acid), unspecified compositionAq. 0.1N NaCl0.170Polyvinyl acetateEthyl acetate, W = 3.73x1050.077Poly(vinyl acetate/ethylene) (85/15 mole or wt., uncertain)Ethyl acetate0.087Polyvinyl chlorideTetrahydrofuran, W = 8.35x104 - 1x1050.101Polyvinyl chlorideCyclohexanone, W = 1.73x105 - 2.21x1050.0650Polyvinylpyrrolidone, unspecified compositionN, N - dimethylformamide0.095All measurements performed at 26C unless otherwise specified.DextranAq. 0.05M KH2PO4, pH 7.0W = 62,500, 23C0.1368Epoxy ResinUnspecified composition, tetrahydrofuranW = 12,6000.1871Unspecified composition, tetrahydrofuranW = 42,7000.1869Unspecified composition, tetrahydrofuranW = 51,7000.1884Unspecified composition, tetrahydrofuranW = 63,6000.1851Ethylene oxide/Lignite (25/1 mole)Water, W = 1.49x106, 25C0.1360Lignin sulfonate, sodium saltAq. 0.1M NaNO3, pH 6.6W = 49,6000.1875Aq. 0.5M NaNO3, pH 5.5W = 44,4000.1839Phenoxy ResinUnspecified composition, tetrahydrofuranW = 51,700, 23C0.1773PolyacrylamideWater, W = 3.69x106, 25C0.1829Aq. 1M NaCl, W = 7.72x106, 25C0.1587Aq. 1M NaCl, W = 8.00x106, 25C0.1556Polyacrylate, cationic saltUnspecified composition, waterW = 28,200, 25C0.1463Polyacrylic acidAq. 0.05M sodium acetate, pH 7.0W = 94300.1501PolyamideUnspecified composition, dimethyl sulfoxideW 30,000, 23C0.1054Unspecified composition, dimethyl sulfoxideW 160,000, 23C0.0822PolybutadieneTetrahydrofuran, W = 61600.1295PolycarbonateUnspecified composition, chloroform, 23C0.1445Unspecified composition, tetrahydrofuranW = 22,400, 23C0.1855PolychloropreneTetrahydrofuran, W = 378,000, 23C0.1274PolydimethylsiloxaneToluene, W = 19,000-0.0913Toluene, W = 571,000-0.0948Poly ethylene/Propylene oxideUnspecified composition, methanolW = 4000, 23C0.1341Unspecified composition, methanolW = 4500, 23C0.1290Unspecified composition, methanolW = 4540, 23C0.1346Poly (methyl methacrylate)Tetrahydrofuran, W 100,000, 23CSample A0.0800Sample B0.0816Sample C0.0909Polypropylene oxideChloroform, 23C0.1545PolystyreneMethyl ethyl ketone, W = 3900, 23C0.2067Methyl ethyl ketone, W = 259,000, 23C0.2120PolyurethaneUnspecified composition, tetrahydrofuranW = 35,500, 23C0.1417Unspecified composition, tetrahydrofuranW = 46,200, 23C0.1523Unspecified composition, tetrahydrofuranW = 63,100, 23C0.1477Unspecified composition, tetrahydrofuranW = 72,400, 23C0.1469PolyvinylacetateTetrahydrofuran, W = 4.66x1060.0471Tetrahydrofuran, W = 107,0000.0502Polyviny