The z-Average of Cross-Linked Polymers

IF 1.8 4区工程技术 Q3 POLYMER SCIENCE

Macromolecular Theory and Simulations Pub Date : 2024-02-09 DOI:10.1002/mats.202300065

Rolf Bachmann

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Abstract

Stockmayer's formula for the weight average of cross-linked primary chains is extended to the z-average degree of polymerization $D P_{z}$ . This average is a function of the weight- and z-average degree of polymerization λ_w and λ_z of the primary chain distribution and the branching density α: $D P_{z} = \frac{λ_{z} {(1 + α)}^{3} - λ_{w}^{2} α^{2} (3 + α)}{{(1 - α (λ_{w} - 1))}^{2} (1 + α)}$ . Higher averages of branched polymers from monomers of type $A_{f}$ and $B A_{f - 1}$ with functionalities f ⩾ 2 are discussed.

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交联聚合物的 z 平均值

斯托克迈尔的交联主链重量平均值公式被扩展到 z 平均聚合度 DPz。该平均值是主链分布的重量平均聚合度 λw 和 z 平均聚合度 λz 以及支化密度 α 的函数：本文受版权保护。本文受版权保护。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Macromolecular Theory and Simulations 工程技术-高分子科学

CiteScore

3.00

自引率

14.30%

发文量

审稿时长

2 months

期刊介绍： Macromolecular Theory and Simulations is the only high-quality polymer science journal dedicated exclusively to theory and simulations, covering all aspects from macromolecular theory to advanced computer simulation techniques.