STM Journals Peer-reviewed research from Consortium e-Learning Network

Journal of Polymer & Composites Original Research Special issue

Machine Learning-Based Quantification of Polymer Structure Property Relationships for Predictive Material Design

  1. Kalpana G. Joshi School of Engineering and Technology, Sanjivani University, Kopargaon
  2. Shanthi Kumaraguru Department of Information Technology, D Y Patil College of Engineering, Akurdi, Pune
  3. Prashant M. Yawalkar Department of Computer Engineering, MET’s Institute of Engineering, BKC, Nashik
  4. P. William School of Computer Science and Technology, Karunya Institute of Technology and Sciences, Coimbatore
  5. Prashant V. Thokal Department of Electrical Engineering, Sanjivani College of Engineering, Kopargaon
  6. Jaikumar M. Patil Department of Computer Science and Engineering, Shri Sant Gajanan Maharaj College of Engineering, Shegaon, SGBAU, Amravati

Abstract

Polymer structures exhibit complex, hierarchical arrangements that strongly influence macroscopic properties, yet consistent quantification remains challenging due to nonlinear interactions and limited unified modeling strategies. Existing approaches inadequately capture generalized structure–property mappings across diverse polymer systems. This research aims to establish a machine learning-based quantification model for polymer structure–property relationships to support predictive material design. A Polymer Structure Property Dataset of 5,000 polymer samples includes structural descriptors and experimentally measured thermal and physical properties. Data preprocessing involves Z-score normalization and missing value imputation using K-Nearest Neighbors (KNN). Feature extraction employs Principal Component Analysis (PCA), enhancing discriminative structural patterns while reducing dimensional redundancy. The model systematically collects polymer data, preprocesses and refines the data, it also extracts salient structural features, and feeds them into an optimized predictive engine. The proposed Electric Fish Optimizer-driven Intelligent Support Vector Machine (EFO-ISVM) combines global optimization and adaptive learning. The EFO is utilized for hyperparameter tuning due to its efficient exploration–exploitation balance inspired by electric field sensing behavior, while the ISVM performs nonlinear regression and classification to model complex structure–property dependencies with improved generalization. Quantification is achieved by mapping structural descriptors to target properties using Python, enabling precise evaluation of interdependencies and sensitivity patterns, with an achieved prediction Stability of (97.92%). The model demonstrates enhanced predictive stability, reduced error tendencies, and improved generalization across multiple property indicators. The approach supports reliable material design decisions, offering a scalable pathway for intelligent polymer engineering and advanced composite development.

Keywords

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