journal article·2021-11-12

Influence of Topical Cross-Linking on Mechanical and Ballistic Performance of a Woven Ultra-High-Molecular-Weight Polyethylene Fabric Used in Soft Body Armor

Mathieu L. Lepage, Mahdi Takaffoli, Chakravarthi Simhadri, Ryan Mandau, Mazeyar Parvinzadeh Gashti, Rashid Nazir, Majid Mohseni, Wu Li, Chang Liu, Liting Bi, Greg Falck, Peter Berrang, Kevin Golovin, Abbas S. Milani, Gino A. DiLabio, Jeremy E. Wulff

ACS Applied Polymer Materials· Volume 3· Issue 11
Publisher page

Abstract

We demonstrate that topical cross-linking of woven ultra-high molecular weight polyethylene (UHMWPE) fabric with a small-molecule bis-diazirine reagent can enhance the fabric’s resistance to tear and perforation and could provide a lead to further increase the protection provided by a soft body armor made from UHMWPE materials. A series of experiments confirms that the enhancement is likely due to cross-links formed within and between the yarns constituting the woven fabric and that cross-linking particularly strengthens the fabric along its bias direction. The treated fabric was incorporated into multilayer composite panels and challenged in ballistic tests. These measurements revealed that as low as a 1 wt % cross-linker can significantly increase the V50 ballistic limit by 18 m/s.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Mechanical Behavior of Composites · Energetic Materials and Combustion · Polymer crystallization and properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, University of Victoria, Victoria, British Columbia V8W 3V6, Canada

Materials and Manufacturing Research Institute (MMRI), University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada

Survive and Thrive Applied Research (STAR), University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada

Research and Development Laboratory, PRE Labs Inc., Kelowna, British Columbia V1X 7Y5, Canada

School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada

Aluula Composites, Victoria, British Columbia V8Z 1T3, Canada

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S 3G8, Canada

Department of Chemistry, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada

Centre for Advanced Materials and Related Technology, University of Victoria, Victoria, British Columbia V8W 2Y2, Canada

Funding

Minist??re de la D??fense Nationale · Canada Research Chairs · Mitacs

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