Macromolecular assembly nomenclature

Table 3. lUPAC Source-Based Nomenclature for Non-Linear Macromolecules and Macromolecular Assemblies [5]... 

Source-based nomenclature for non-linear macromolecules and macromolecular assemblies (lUPAC Recommendations 1997), PureAppl. Chem. 69, 2511-2521 (1997). Reprinted as Chapter 20, this edition. 

Avnir et al. llbl have examined the classical definitions and terminology of chirality and subsequently determined that they are too restrictive to describe complex objects such as large random supermolecular structures and spiral diffusion-limited aggregates (DLAs). Architecturally, these structures resemble chiral (and fractal) dendrimers therefore, new insights into chiral concepts and nomenclature are introduced that have a direct bearing on the nature of dendritic macromolecular assemblies, for example, continuous chirality measure44 and virtual enantiomers. ... 

Jenkins, A. D., Kahovec, J., Kratochvil, P., Mita, I., Papisov, I. M., Sperling, L. H., and Stepto, R. F. T., Source-Based Nomenclature for Non-Linear Macromolecules and Macromolecular Assemblies, draft report for the lUPAC Commission on Macromolecular Nomenclature, May 1993. 

Table 5. lUPAC Source-based Nomenclature for Non-linear Macromolecules and Macromolecular Assemblies... 

Source-based nomenclature for nonlinear macromolecules and macromolecular assemblies... 

Non-linear polymers comprise branched, graft, star, cyclic, and network macromolecules. Polymer blends, interpenetrating networks, and polymer-polymer complexes are summarized as macromolecular assemblies. Their skeletal structure should be reflected in the name by using an italicized connective as a prefix to the source-based name of the polymer component or components to which the prefix applies. Table 5.10.1 lists aU classifications for non-Unear macromolecules and macromolecular assemblies with their corresponding prefixes [971UP2]. Examples for nomenclature are given in Table 5.10.2 (non-linear macromolecules) and Table 5.10.3 (macromolecular assemblies). 

Source-Based Nomenclature for Non-LinearMacromolecules and Macromolecular Assemblies Pure Appl. Chem. 69 (1997)2511. 

International Union of Pure and Applied Chemistry, Nomenclature of Regular Double-Strand (Ladder and Spiro) Organic Polymers (Recommendations 1993), PureAppL Chem., 65,1561-1580 (1993). International Union of Pure and Applied Chemistry, Structure-Based Nomenclature for Irregular Single-Strand Organic Polymers (Recommendations 1994), PureAppL Chem., 66,873-889 (1994). International Union of Pure and Applied Chemistry, Source-Based Nomenclature for Non-Linear Macromolecules and Macromolecular Assemblies (Recommendations 1997). PureAppL Chem., 69, 2511— 2521 (1997). 

AaaembHes Most recent, die source-based nomenclature has been extended for non-linear macromolecules and macromolecular assemblies [5]. The non-linear macromolecules comprise branched, graft, comb, star, cyclic, and network macromolecules. The macromolecular assemblies comprise polymer blends, interpenetrating polymer networks, and po er-po er complexes. 

Kahovec, J., P. Kratochvil, A.D. Jenkins, I. Mita, I.M. Papisov, L. Sperling, and R.F.T. Stepto, "Source-based nomenclature for nonlinear macromolecules and macromolecular assemblies". Pure Appl. Chem. 69,2511-2521, (1997). 

The Commission on Macromolecular Nomenclature is currently working on the extension of macromolecular nomenclature to branched and cyclic macromolecules, micronetworks and polymer networks, and to assemblies held together by non-covalent bonds or forces, such as polymer blends, interpenetrating networks and polymer complexes. 

Recommendations on additional aspects of macromolecular nomenclature such as that of regular double-strand (ladder and spiro) and irregular single-strand organic polymers continue to be published in Pure and Applied Chemistry. Recommendations on naming nonlinear polymers and polymer assemblies (networks, blends, complexes, etc) are expected to be issued in the near future. 

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