1967Journal of Polymer Science Part A-2 Polymer PhysicsRequires access

Unperturbed dimensions of copolymer molecules

Th. G. Scholte

Open publisher page 4 citations

Abstract

Abstract Proceeding from the work of Zimm and Stockmayer and of Benoit, a general formula is derived for the calculation of the radius of gyration of block and graft copolymers. It appears that with linear block copolymers the ratio of the mean‐square radius of gyration and the mean‐square end‐to‐end distance is usually not far from 1/6. With a great number of blocks the difference from 1/6 can entirely be neglected. Also the influence of the composition of the molecules on the scattered light intensity has been considered.

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Abstract Proceeding from the work of Zimm and Stockmayer and of Benoit, a general formula is derived for the calculation of the radius of gyration of block and graft copolymers. It appears that with linear block copolymers the ratio of the mean‐square radius of gyration and the mean‐square end‐to‐end distance is usually not far from 1/6. With a great number of blocks the difference from 1/6 can entirely be neglected. Also the influence of the composition of the molecules on the scattered light intensity has been considered.

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Available abstract

Abstract Proceeding from the work of Zimm and Stockmayer and of Benoit, a general formula is derived for the calculation of the radius of gyration of block and graft copolymers. It appears that with linear block copolymers the ratio of the mean‐square radius of gyration and the mean‐square end‐to‐end distance is usually not far from 1/6. With a great number of blocks the difference from 1/6 can entirely be neglected. Also the influence of the composition of the molecules on the scattered light intensity has been considered.

Key concepts: Radius of gyration, Copolymer, Gyration, RADIUS, Molecule, Square (algebra), Mean square, Work (physics)

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