常见聚合物的dndc值

SP ECIFIC REFRACTIVE INDEX INCREMENTS

Values taken from LDC Milt on Roy Tech nical Note

All measureme nts p erformed at 23C uni ess otherwise sp ecified. Wavele ngth=633nm

SAMPLE dn/dc (ml/gm)

Cellulose tricarba nilate

Tetrahydrof uran, M W =

-Chymotry psinogen

Aq. NaCl, p hos phate buffer, pH

Deoxyrib onu cleic acid (calf thymus)

Aq. tris buffer, pH , M w =

Dextra n

Water, M w =

Dodecylam monium chloride

Aq. 1N NaCl

Gelatin

Aq. NaCl,M w =

Heparin

Aq. NaCl

Hydroxyethyl starch

Aq. NaCl,M w =-

Mucopo lysaccharides

Aq. % NaCl,M w =-

Po lyacrylamide

Water, M w =

Poly (acrylamide/sodium acrylate) (70/30 mole)

Aq. 1N NaNQ, M w - 1C6

Polyacrylate, sodium salt

Aq. NaCI,M W =-

P olyacrylic acid

Tetrahydrofuran, M W =

Tetrahydrofuran, M W =

P oly (acrylo nitrile/styre ne) wt)

Tetrahydrofuran, M W =

Po lyamides:

Unsp ecified comp ositi on, tetrahydrofura n

Unsp ecified comp ositi on, N, N'- dimethylformamide

Unsp ecified comp ositi on, formic acid

M w = 2X10 - 1X10

4

5

“ Nylon

”，hexafluoroisopropanol

M w = 2300 - 1800

Po lyam ines (quarter nary ammonium salt)

Aq. NaCl Aq. 1N NaCl Aq. 2N NaCl

Polycarb on ates:

Unsp ecified comp ositi on, methyle ne chloride M w = Unspecified composition, tetrahydrofuran M w =

Po lyesters:

Unspecified composition, chloroform, M W = Unsp ecified comp ositi on, chloroform, M W =

P hthalic acid/propylene oxide/maleic acid (1/2/1 mole), Tetrahydrofuran, M W = 104

Po lyethyle ne

Trichlorobenzene, M W = - , 135 C o-dichlorobenzene, M w = , 135 C

-chloronapthalene, 145 C

Polyglycol, unsp ecified comp ositi on

Tetrahydrofuran, M w = 500 - 3x1tf

Po lysobutyle ne

Tetrahydrofuran, M w = 3300 Tetrahydrofura n, M w = 6100

Polymethyl methacrylate

Tetrahydrofuran, M w =

Poly(methyl methacrylate/butyl methacrylate)

(60/40 mole), tetrahydrofuran, M w =

P olyolefi n sulfo nes:

Unspecified composition, tetrahydrofuran, M w = Unsp ecified comp ositi on, chloroform, M w =

Unspecified composition, chloroform, M w =

Poly(phenol /formaldehyde), unsp ecified compo siti on

Tetrahydrofura n , Mw =

Polyphen olic acid, unsp ecified comp ositi on

Aq. base, M W =

Polypropylene

1,2,4 trichlorobenzene, M w = , 145 C

°

Po lystyre ne

N,N' - dimethylformamide, M w = Tetrahydrofuran, M W = 960 Tetrahydrofuran, M W = Tetrahydrofuran, M w = Tetrahydrofuran, M W = Tolue ne, M w =-

Poly(styre ne/allyl alcohol) (50/50 mole)

Tetrahydrof uran, Mw =

Poly(styre ne/maleic acid), unsp ecified comp ositi on

Aq. NaCl

Polyvinyl acetate

Ethyl acetate, M w =

P oly(vi nyl acetate/ethyle ne) (85/15 mole or wt., un certa in)

Ethyl acetate

Polyvinyl chloride

Tetrahydrofura n, M w = -1x1^

Polyvinyl chloride

Cyclohexa non e,Mw =-

Polyvinylpy rrolid one, unsp ecified comp ositi on

N, N' - dimethylformamide

All measureme nts p erformed at 26 C uni ess otherwise sp ecified.

Dextra n

Aq. KHPO4, pH

M w = 62,500, 23 C

Epoxy Resin

Unsp ecified comp ositi on, tetrahydrofura n

M w = 12,600

Unsp ecified comp ositi on, tetrahydrofura n

M w = 42,700

Unsp ecified comp ositi on, tetrahydrofura n

M w = 51,700

Unsp ecified comp ositi on, tetrahydrofura n

M w = 63,600

Ethyle ne oxide/Lig nite (25/1 mole)

water, M w = , 25 C

°

Lig nin sulfo nate, sodium salt

Aq. NaNQ, pH

M w = 49,600

Aq. NaNQ, pH ~

M w = 44,400

Phenoxy Resin

Unsp ecified comp ositi on, tetrahydrofura n

M W = 51,700, 23 C

Po lyacrylamide

Water, M W = , 25 C

°

°

Aq. 1M NaCl, M w = , 25C

Aq. 1M NaCl, M W = , 25C

°

Polyacrylate, cati onic salt

Unsp ecified comp ositi on, water M W = 28,200, 25C

P olyacrylic acid

Aq. sodium acetate, pH

M W = 9430

Po lyamide

Unsp ecified comp ositi on, dimethyl sulfoxide

M W - 30,000, 23C °

Unsp ecified comp ositi on, dimethyl sulfoxide

M w - 160,000, 23C °

Po lybutadie ne

Tetrahydrofuran, M W = 6160

Po lycarb on ate

Unspecified composition, chloroform, 23 C

Unsp ecified comp ositi on, tetrahydrofura n

M w = 22,400, 23C °

Po lychlor oprene

Tetrahydrofuran, M W = 378,000, 23C

°

Polydimethylsiloxa ne

Toluene, M w = 19,000

Toluene, M w = 571,000

Poly ethyle ne/Propylene oxide

Unsp ecified comp ositi on, metha nol

M w = 4000, 23 C °

Unsp ecified comp ositi on, metha nol

M w = 4500, 23 C °

Unsp ecified comp ositi on, metha nol

M w = 4540, 23 C °

P oly (methyl methacrylate)

Tetrahydrofuran, M w - 100,000, 23C

Sam pie A Sam pie B Sam pie C

°

Polypropylene oxide

Chloroform, 23 C

°

Po lystyre ne

Methyl ethyl ketone, M w = 3900, 23 C

°

Methyl ethyl ketone, M w = 259,000, 23C

Poly uretha ne

Unsp ecified comp ositi on, tetrahydrofura n

M W = 35,500, 23 C

Unsp ecified comp ositi on, tetrahydrofura n

M W = 46,200, 23 C

Unsp ecified comp ositi on, tetrahydrofura n M W = 63,100, 23C

Unsp ecified comp ositi on, tetrahydrofura n

M W = 72,400, 23 C

Polyviny lacetate

Tetrahydrof uran, Mw =

Tetrahydrofuran, M W = 107,000

Polyvinyl alcohol

Aq. KHPQ, pH

M w = 29,600

Aq. NaNQ

% Carbowax (PEG 1500),1 w = 104,000

Vi nyl ben zyl chloride/Dichlorobutadie ne (97/3 wt)

o-xyle ne, M w = , 35 C

°

Vinyl chloride/V in ylide ne chloride

Unsp ecified comp ositi on, tetrahydrofura n

M w ~ 100,000