常見(jiàn)聚合物的dndc值

1、常見(jiàn)聚合物的dndc值SPECIFIC REFRACTIVE INDEX INCREMENTSValues taken from LDC Milton Roy Technical NoteAll measurements performed at 23°C unless otherwise specified. Wavelength=633nmSAMPLEdn/dc (ml/gm)Cellulose tricarbanilateTetrahydrofuran, W = a-ChymotrypsinogenAq. NaCl, phosphate buffer, pH W = Deoxy

2、ribonucleic acid (calf thymus)Aq. tris buffer, pH , W = DextranWater, W = Dodecylammonium chlorideAq. 1N NaClGelatinAq. NaCl, W = HeparinAq. NaClHydroxyethyl starchAq. NaCl, W = - MucopolysaccharidesAq. % NaCl, W = - PolyacrylamideWater, W = Poly (acrylamide/sodium acrylate) (70/30 mole)Aq. 1N NaNO3

3、, W 106Polyacrylate, sodium saltAq. NaCl, W = - Polyacrylic acidTetrahydrofuran, W = Tetrahydrofuran, W = Poly (acrylonitrile/styrene) wt)Tetrahydrofuran, W = Polyamides:Unspecified composition, tetrahydrofuranW = - Unspecified composition, N, N'- dimethylformamideW = - Unspecified composition,

4、formic acidW = 2x104 - 1x105“Nylon”, hexafluoroisopropanolW = 2300 - 1800Polyamines (quarternary ammonium salt)Aq. NaClAq. 1N NaClAq. 2N NaClPolycarbonates:Unspecified composition, methylene chloride W = Unspecified composition, tetrahydrofuran W = Polyesters:Unspecified composition, chloroform, W =

5、 Unspecified composition, chloroform, W = Phthalic acid/propylene oxide/maleic acid (1/2/1 mole),Tetrahydrofuran, W = 104PolyethyleneTrichlorobenzene, W = - , 135°Co-dichlorobenzene, W = , 135°Ca-chloronapthalene, 145°CPolyglycol, unspecified compositionTetrahydrofuran, W = 500 - 3x10

6、3PolysobutyleneTetrahydrofuran, W = 3300Tetrahydrofuran, W = 6100Polymethyl methacrylateTetrahydrofuran, W = Poly(methyl methacrylate/butyl methacrylate)(60/40 mole), tetrahydrofuran, W = Polyolefin sulfones:Unspecified composition, tetrahydrofuran, W = Unspecified composition, chloroform, W = Unspe

7、cified composition, chloroform, W = Poly(phenol/formaldehyde), unspecified compositionTetrahydrofuran , W = Polyphenolic acid, unspecified compositionAq. base, W = Polypropylene1,2,4 trichlorobenzene, W = , 145°CPolystyreneN,N' - dimethylformamide, W = Tetrahydrofuran, W = 960Tetrahydrofura

8、n, W = Tetrahydrofuran, W = Tetrahydrofuran, W = Toluene, W = - Poly(styrene/allyl alcohol) (50/50 mole)Tetrahydrofuran, W = Poly(styrene/maleic acid), unspecified compositionAq. NaClPolyvinyl acetateEthyl acetate, W = Poly(vinyl acetate/ethylene) (85/15 mole or wt., uncertain)Ethyl acetatePolyvinyl

9、 chlorideTetrahydrofuran, W = - 1x105Polyvinyl chlorideCyclohexanone, W = - Polyvinylpyrrolidone, unspecified compositionN, N' - dimethylformamideAll measurements performed at 26°C unless otherwise specified.DextranAq. KH2PO4, pH W = 62,500, 23°CEpoxy ResinUnspecified composition, tetr

10、ahydrofuranW = 12,600Unspecified composition, tetrahydrofuranW = 42,700Unspecified composition, tetrahydrofuranW = 51,700Unspecified composition, tetrahydrofuranW = 63,600Ethylene oxide/Lignite (25/1 mole)Water, W = , 25°CLignin sulfonate, sodium saltAq. NaNO3, pH W = 49,600Aq. NaNO3, pH W = 44

11、,400Phenoxy ResinUnspecified composition, tetrahydrofuranW = 51,700, 23°CPolyacrylamideWater, W = , 25°CAq. 1M NaCl, W = , 25°CAq. 1M NaCl, W = , 25°CPolyacrylate, cationic saltUnspecified composition, waterW = 28,200, 25°CPolyacrylic acidAq. sodium acetate, pH W = 9430Polya

12、mideUnspecified composition, dimethyl sulfoxideW 30,000, 23°CUnspecified composition, dimethyl sulfoxideW 160,000, 23°CPolybutadieneTetrahydrofuran, W = 6160PolycarbonateUnspecified composition, chloroform, 23°CUnspecified composition, tetrahydrofuranW = 22,400, 23°CPolychloropre

13、neTetrahydrofuran, W = 378,000, 23°CPolydimethylsiloxaneToluene, W = 19,000Toluene, W = 571,000Poly ethylene/Propylene oxideUnspecified composition, methanolW = 4000, 23°CUnspecified composition, methanolW = 4500, 23°CUnspecified composition, methanolW = 4540, 23°CPoly (methyl me

14、thacrylate)Tetrahydrofuran, W 100,000, 23°CSample ASample BSample CPolypropylene oxideChloroform, 23°CPolystyreneMethyl ethyl ketone, W = 3900, 23°CMethyl ethyl ketone, W = 259,000, 23°CPolyurethaneUnspecified composition, tetrahydrofuranW = 35,500, 23°CUnspecified composition, tetrahydrofuranW = 46,200, 23°CUnspecified composition, tetrahydrofuranW = 63,100, 23°CUnspecified composition, tetrahydrofuranW = 72,400, 23°CPolyvinylacetateTetrahydrofuran, W = Tetrahydrofuran, W = 107,000Polyvinyl