Effects of diffusion and concentration on the sedimentation of polydisperse polymers

Nekrasov, I.K.; Khabarova, K. G.; Nikitina, N.P.

doi:10.1016/0032-3950(76)90136-2

Polymer Science U.S.S.R.

1976

DOI: 10.1016/0032-3950(76)90136-2

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Effects of diffusion and concentration on the sedimentation of polydisperse polymers

I.K. Nekrasov

K. G. Khabarova

N.P. Nikitina

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1977

1984

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Cited by 7 publications

References 15 publications

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Molecular weight distributions and solution properties of poly(2‐trimethylammoniumethyl methacrylate chloride)

Stickler¹

1984

Angew. Makromol. Chem.

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dium c h l o r i d e s o l u t i o n s of varying i o n i c s t r e n g t h were i n v e s t ig a t e d w i t h u n f r a c t i o n a t e d samples i n t h e molecular weight range 7 , 7 x l O 6 Zu s amme n f as s un g An u n f r a k t i o n i e r t e n Proben d e s k a t i o n i s c h e n P o l y e l e k t r o l y t e n Poly ( 2-trimethylammoni ume t h y l m e t h a c r y l a t -c h l o r i d ) , PTMAC, m i t Molekulargewichten i m Bereich 7 , 7 x 1 0 4 Ew$l, 1x10 wurden Losungse i g e n s c h a f t e n i n wasrigen Natriumchloridlosungen v a r i a b l e r Ionens t a r k e durch L i c h t s t r e u u n g , V i s k o s i m e t r i e und Analyse d e r Sedimentationsgeschwindigkeit e r m i t t e l t . D i e Molekulargewichtsvert e i l u n g e n wurden durch AusschluRchromatographie und Sedimentationsgeschwindigkeitsexperimente e r h a l t e n und d e r EinfluR d e r P o l y d i sp e r s i t a t d e r Proben auf d i e s t a t i s c h e n und dynamischen Losungse i g e n s c h a f t e n durch g e e i g n e t e K o r r e k t u r v e r f a h r e n a u s g e s c h a l t e t . 3 7 D i e e r h a l t e n e n E r g e b n i s s e z e i g e n , da8 d i e Losungen von PTMAC i n 1 n NaCl i m w e s e n t l i c h e n m i t jenen ungeladener Polymerer i n organischen Losungsmitteln v e r g l i c h e n werden konnen.

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Molecular weight distributions and solution properties of poly(2‐trimethylammoniumethyl methacrylate chloride)

Stickler¹

1984

Angew. Makromol. Chem.

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Diffusion widening of curves showing distribution according to sedimentation coefficients using one photography and model functions

Nekrasov

Kulakova

1977

Polymer Science U.S.S.R.

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Determining distribution curves from sedimentation coefficients of polydispersed polymers

Nekrasov

1977

Polymer Science U.S.S.R.

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Effects of diffusion and concentration on the sedimentation of polydisperse polymers

Cited by 7 publications

References 15 publications

Molecular weight distributions and solution properties of poly(2‐trimethylammoniumethyl methacrylate chloride)

Molecular weight distributions and solution properties of poly(2‐trimethylammoniumethyl methacrylate chloride)

Diffusion widening of curves showing distribution according to sedimentation coefficients using one photography and model functions

Determining distribution curves from sedimentation coefficients of polydispersed polymers

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