Molecular weight distribution in free‐radical polymerizations involving transient linkages

Talât-Erben, M.; Altan, M. Emin

doi:10.1002/pol.1962.1205616415

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B Some Chemical Properties1

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1968

2020

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“…A study of ethyl isocyanide at different temperatures describes the following sequence of changes.26 100°160°i socyanide ->• trimer -> nitrile Thermal rearrangement of isocyanides to nitriles, usually at temperatures above 180°, is a general reaction of the class. [26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] Very few free-radical reactions of isocyanides are known.27…”

Section: B Some Chemical Propertiesmentioning

confidence: 99%

Polymerization of isocyanides

Millich¹

1972

Chem. Rev.

150

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Section: B Some Chemical Propertiesmentioning

confidence: 99%

Polymerization of isocyanides

Millich¹

1972

Chem. Rev.

150

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Numerical Techniques for the Solution of the Molecular Weight Distribution in Polymerization Mechanisms, State of the Art

Saldívar‐Guerra

2020

Macro Reaction Engineering

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The molecular weight distribution (MWD) is possibly the most important characteristic of a polymer. Polymers derive many of their physical properties from their MWD. Therefore, since the origins of polymer science, the theory provides a link between the kinetic mechanism and the mathematical expression of the MWD, and there are analytical solutions for ideal cases. However, the MWD formed in real‐life polymerization processes is usually more complex; the solution of the mathematical models that describe them can be quite challenging and has been the focus of enormous research efforts. These models may consist of systems of very large dimension: thousands of differential equations, often stiff, which demand special numerical techniques for their solution. In this paper the numerical techniques that can be used to solve this challenging problem are reviewed and contrasted, including weighted residual methods, direct integration, numerical inversion of transformed equations, and lumping methods. Stochastic techniques are also surveyed.

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Polymer Molecular Weight Distributions

Amundson

Luss

1968

Journal of Macromolecular Science, Part C: Polymer Reviews

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Molecular weight distribution in free‐radical polymerizations involving transient linkages

Cited by 4 publications

References 3 publications

Polymerization of isocyanides

Polymerization of isocyanides

Numerical Techniques for the Solution of the Molecular Weight Distribution in Polymerization Mechanisms, State of the Art

Polymer Molecular Weight Distributions

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