Crystallization-Programmed Isotactic Polystyrene Towards Membrane Architecture: Quantitative Optical-Thermal Kinetics.

Al Mamun, Maha Alruwaili, Abdullah Al-Mamun, Md Shafiquzzaman, Gary S Coombs, Aljawad Mohammed Alolaywi, Amira Salman Alazmi

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Article in Polymers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

7 authors.

Al MamunDepartment of Physics, College of Science, University of Hafr Al Batin, Al Jamiah, Hafr Al Batin 39524, Saudi Arabia.ORCID 0000-0002-9500-9483

Maha AlruwailiDepartment of Physics, College of Science, University of Hafr Al Batin, Al Jamiah, Hafr Al Batin 39524, Saudi Arabia.

Abdullah Al-MamunDepartment of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia.

Md ShafiquzzamanDepartment of Civil Engineering, College of Engineering, Qassim University, Buraydah 51452, Saudi Arabia.ORCID 0000-0003-0226-9823

Gary S CoombsBiology Department, Waldorf University, 106 S 6th St, Forest City, IA 50436, USA.ORCID 0000-0002-0711-185X

Aljawad Mohammed AlolaywiDepartment of Electrical Engineering, University of Hafr Al Batin, Al Jamiah, Hafr Al Batin 39524, Saudi Arabia.

Amira Salman AlazmiDepartment of Science and Technology, University Colleges at Nairiyah, University of Hafr Al Batin, Nairiyah 31981, Saudi Arabia.ORCID 0000-0003-0435-9398

Funding

Institutional Funding Project, Ministry of Education IFP-0062-1446-S

6 · The paper itself

Abstract

Crystallization can be exploited as an architecture-forming step for polymer membranes because it builds a load-bearing semicrystalline scaffold while simultaneously defining amorphous regions that later become transport pathways. Herein, we quantify how thermal history programs isotactic polystyrene (iPS) crystallization and translate the resulting microstructures into membrane-relevant design rules. Lux-calibrated digitally extracted pixel intensity (DPI) from polarized optical microscopy provides a quantitative, spatially resolved crystallinity proxy; benchmarking against differential scanning calorimetry confirms that the DPI proxy exhibits the same onset, peak, and completion signatures under matched temperature programs. The DPI-DSC agreement yielded R

Indexed as

Avrami analysiscrystallizationisotactic polystyrenemelt memorymembrane architecturenucleationoptical–thermal kinetics

Identifiers

PMID42452133

DOI10.3390/polym18131676

PMCPMC13363971

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