In situ fabrication of cellulose nanocrystal‐silica hybrids and its application in UHMWPE: Rheological, thermal, and wear resistance properties
Source abstract
Abstract
Novel cellulose nanocrystal (CNC)‐silica (SiO2) nanohybrids with a better thermal stability were successfully fabricated by sol–gel method. In this unique hybrid architecture, it was found that silica particles were uniformly adsorbed/anchored by the CNC via covalent bonding and hydrogen bonding. Subsequently, the nanocomposites containing nanofillers (CNC‐SiO2 nanohybrids or CNC), ultrahigh molecular weight polyethylene (UHMWPE), polyethylene glycol (PEG), were prepared by the twin screw extrusion and their properties and structure were systematically investigated. With the incorporation of CNC‐SiO2 nanohybrids (or CNC) into the UHMWPE matrix, the tensile strength, flexural strength, flexural modulus, vicat softening temperature, and crystallinity of the ensuing nanocomposites were significantly increased. Meanwhile, the nanofiller could enhance the wear resistance of UHMWPE. Notably, compared to CNC, the unique beaded structure of CNC‐SiO2 nanohybrids could endow the UHMWPE with an overall superior performance. POLYM. COMPOS., 39:E1701–E1713, 2018. © 2017 Society of Plastics Engineers
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Cellulose Research Studies · biodegradable polymer synthesis and properties · Natural Fiber Reinforced Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Polymer Materials and Engineering South China University of Technology Guangzhou 510640 People's Republic of China
National Engineering Research Center of Novel Equipment for Polymer Processing South China University of Technology Guangzhou 510640 People's Republic of China
Funding
The Science and Technology Project of Guangdong · The Science and Technology Project of Guangzhou
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