Recent studies on modified cellulose/nanocellulose epoxy composites: A systematic review

Area of Science:

• Materials Science
• Polymer Chemistry
• Composite Materials

Background:

• Cellulose and its derivatives are versatile, renewable, and eco-friendly materials.
• Their hydrophilic nature limits compatibility in polymer composites, necessitating surface modification.
• Chemical modification improves cellulose integration into matrices like epoxy resins.

Purpose of the Study:

• To systematically review chemically modified cellulose/epoxy resin composites.
• To focus on research published within the last five years.
• To identify key findings regarding composite properties and research gaps.

Main Methods:

• Systematic literature review following the PRISMA protocol.
• Inclusion/exclusion criteria applied to select relevant primary research.
• Analysis of thirty-six selected studies on modified cellulose/epoxy composites.

Main Results:

• Focus on thermal, mechanical, and dynamic-mechanical properties of composites.
• Demonstrated improvements in composite performance after cellulose modification.
• Identified specific areas lacking extensive research within the reviewed period.

Conclusions:

• Chemical modification is crucial for effective cellulose reinforcement in epoxy composites.
• The review highlights advancements in thermal and mechanical properties.
• Key knowledge gaps were identified, guiding future research directions.