Evaluation of the flow of polyamides according to the concentration relation of sedimentation coefficients of macromolecules in solution
β Scribed by Ye.D. Molodtsova; G.I. Timofeyeva
- Book ID
- 118360777
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 88 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0032-3950
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## Abstract Standardization in the calculation of the sedimentation coefficient of macromolecules by means of band techniques is discussed. When a sample of macromolecules suspended in a solvent is layered on to a denser bulk solution, the macromolecules do not sediment in this solution alone, but
Abstraet--A study has been made of the concentration dependence of the sedimentation coefficient S of the two 0 systems (I) polymethylmcthacrylate in n-butyl chloride at 35 Β° and (II) polystyrene in cyclohexane at 34Β°; also for the non-0 system CIII) polyisobuty[ene in cyclohexane at 34 Β°. In each c