High performance linear low density polyethylene nanocomposites reinforced by two-dimensional layered nanomaterials

Li, Tao1; Sun, Haoyang1; Lei, Fan1,2; Li, Dandan1; Leng, Jing1; Chen, Lei1; Huang, Yi2; Sun, Dazhi1

2019-05-20

10.1016/j.polymer.2019.03.072

POLYMER   影响因子和分区

0032-3861

1873-2291

Two-dimensional (2D) layered nanomaterials, including pristine a-zirconium phosphates (ZrP), amine-intercalated organophilic alpha-zirconium phosphates (OZrP) and organophilic montmorillonite (OMMT), are directly incorporated into linear low density polyethylene (LLDPE) by injection molding. ZrP and OZrP achieve good dispersion in the LLDPE matrices while OMMT forms agglomerations as observed by scanning electron microscope (SEM). The differential scanning calorimetry (DSC) analysis reveals that well-dispersed ZrP and OZrP could act as a nucleating agent to increase crystallinity of LLDPE while the agglomerated OMMT decreases the crystallinity of the polymer matrix. Tensile tests show that the strength and ductility of the LLDPE/ZrP nanocomposites can be enhanced simultaneously, due to the high modulus and parallel alignment along the injection direction for ZrP in matrix. The heat resistance of LLDPE, can also be enhanced by the addition of 2D nanoplatelets, among which ZrP perform the best, showing an increase of similar to 16 degrees C in heat distortion temperature.

Linear low density polyethylene Heat distortion temperature Mechanical properties

SCI ; EI

英语

第一 ; 通讯

China Postdoctoral Science Foundation[2018M641634]

Polymer Science

Polymer Science

WOS:000466806100017

ELSEVIER SCI LTD

20191506762371

Agglomeration ; Crystallinity ; Density (specific gravity) ; Differential scanning calorimetry ; Heat resistance ; Injection molding ; Linear low density polyethylenes ; Matrix algebra ; Mechanical properties ; Nanocomposites ; Nanostructured materials ; Phosphates ; Polyethylenes ; Polypropylenes ; Scanning electron microscopy ; Tensile testing

Nanotechnology:761 ; Chemical Operations:802.3 ; Organic Polymers:815.1.1 ; Algebra:921.1 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Solid State Physics:933 ; Temperature Measurements:944.6 ; Materials Science:951

CHEMISTRY

Web of Science

1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
2.Nankai Univ, Sch Mat Sci & Engn, Tianjin 300071, Peoples R China

Li, Tao,Sun, Haoyang,Lei, Fan,et al. High performance linear low density polyethylene nanocomposites reinforced by two-dimensional layered nanomaterials[J]. POLYMER,2019,172:142-151.

Li, Tao.,Sun, Haoyang.,Lei, Fan.,Li, Dandan.,Leng, Jing.,...&Sun, Dazhi.(2019).High performance linear low density polyethylene nanocomposites reinforced by two-dimensional layered nanomaterials.POLYMER,172,142-151.

Li, Tao,et al."High performance linear low density polyethylene nanocomposites reinforced by two-dimensional layered nanomaterials".POLYMER 172(2019):142-151.