Enhancement of thermal and mechanical properties of high density polyethylene using commercial clays

Hu, Lei; Leclair, Éric; Diez, Carl; Vuillaume, Pascal Y.

doi:10.1007/s12588-017-9186-3

Cited by 1 publication

(1 citation statement)

References 24 publications

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“…However, compared with engineering polymers, its strength is relatively low. In order to reinforce its properties, the simple and effective way is to make polymer blends with other polymer materials such as PA6 [2], PP [3] and ultra-high molecular weight polyethylene UHMWPE [4], inorganic fillers [5][6][7][8], or organic fillers [9][10][11] to achieve complementary advantages between different materials.…”

Section: Introductionmentioning

confidence: 99%

In-Situ Bubble Stretching Assisted Melt Extrusion for the Preparation of HDPE/UHMWPE/CF Composites

Yin

Cheng

et al. 2019

Polymers

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In this work, a novel melt extrusion method under synergy of extensional deformation and in-situ bubble stretching (ISBS) and corresponding apparatus were reported. The structure and working principle were introduced in detail. Polymer composites composed of high density polyethylene (HDPE)/ultrahigh molecular weight polyethylene (UHMWPE)/carbon fiber (CF) were prepared by using this new method. Effects of CF and Azodicarbonamide (AC) contents on composites’ morphology, rheological, thermal, and mechanical properties were experimentally investigated. SEM results showed that the CFs dispersed evenly in the matrix when the AC content was relatively high. DSC results showed that co-crystallization of HDPE and UHMWPE occurred in the composites, and the Xc of the composites decreased with the addition of AC or under high CF loadings. TGA results showed that the thermostability of the composites increased markedly with increasing CF loading. Mechanical properties showed that tensile strength increased by 30% with 9 wt % CF and 0.6 wt % AC added. The results aforementioned indicate that the novel melt extrusion method is a green and effective way to prepare HDPE/UHMWPE/CF composites.

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