Enhanced surface free energy of UHMWPE fibers and its interfacial adhesion behavior to PI resins. (12th January 2018)

• Record Type: Journal Article
• Authors: He, Runqin; Chang, Qiuxiang; Huang, Xinjun; Li, Jian
• Is Part Of: Surface and interface analysis. Volume 50:Number 3(2018)
• Page Start: 259
• Page End: 264
• Publication Date: 2018-01-12
• Subjects: hybrid effect -- impact -- polyimide -- TiO2 -- UHMWPE fiber; Surfaces (Physics) -- Periodicals; Surface chemistry -- Periodicals; Thin films -- Periodicals; 541.33
• DOI: 10.1002/sia.6350
• Languages: English
• ISSNs: 0142-2421

Abstract

Abstract : Mechanical properties of composites made up of ultra‐high‐molecular‐weight polyethylene (UHMWPE) fiber, polyimide (PI), and TiO2 particles were investigated. The hybrid composite of 20 vol% of UHMWPE fiber with TiO2 showed tensile strength greater than UHMWPE fiber/PI composite. A positive hybrid effect in tensile strength is obtained. It is observed that addition of small amount of TiO2 to UHMWPE fiber/PI increased the tensile strength of the composite by 28%. With increase in TiO2 loading to 1 to 3 vol%, the impact strength of the hybrid composite is increased from 55 KJ/m 2 to 69 KJ/m 2 . This maximum value is more than one and a half times greater than the impact strength of neat UHMWPE fiber/PI composite.