Quantitative analysis method for mechanical contribution of bridged chain in polymer nanocomposite

By constructing a composite material model of bridging chain connections through molecular dynamics simulation and combining it with local stress decomposition technology, the problem of quantitative analysis of the mechanical contribution of bridging chains was solved, realizing the quantitative relationship between bridging chain structure and material properties, and supporting material design optimization.

CN122369739APending Publication Date: 2026-07-10CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
Filing Date
2026-04-17
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing technologies make it difficult to independently measure and quantitatively analyze the mechanical contribution of bridging chains in cross-linked polymer nanocomposites, and lack quantitative research on the relationship between bridging chain structure and the macroscopic mechanical properties of materials, leading to difficulties in material design optimization.

Method used

By constructing a composite material model with a clear bridging chain connection relationship through molecular dynamics simulation, and combining it with local stress decomposition technology, a quantitative analysis of the mechanical contribution of the bridging chain is achieved, and a quantitative relationship between the bridging chain structure and performance is established.

Benefits of technology

The independent extraction and quantitative calculation of the mechanical contribution of bridging chains were realized, and the correspondence between bridging chain structure and macroscopic mechanical properties of materials was established, providing a theoretical basis for the design of high-performance nanocomposite materials.

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Abstract

The present application relates to the field of material analysis, in particular to a kind of quantitative analysis method of bridging chain mechanics contribution in polymer nanocomposite material.The quantitative analysis method provided by the present application realizes the quantitative analysis of bridging chain mechanics contribution by artificially constructing the model of bridging chain structure, in combination with the accurate tracking of known particle number and local stress decomposition technology, establishes the quantitative relationship between "bridging chain structure-mechanics contribution", provides analysis tool and theoretical basis for rational design of high-performance nanocomposite material.
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