Abstract

The inevitable destructive effects of moisture and temperature are obvious in cellulosic and nanocellulosic substrates. These materials are the main foundations of interdependent industries that produce products such as currency notes or high-quality packaging for sanitary, cosmetics, or ammunition in the defense industry. Therefore, it is essential to develop procedures to eliminate problems arising from humidity and fire to improve the quality of these green and sustainable materials. The production of waterproof and flame-resistant cellulose-based substrates has drawn increasing attention to resolve these drawbacks. In this review paper, we have initially summarized the most accessible cellulosic substrates, different kinds of nanocellulose, and the general information about water repellents and intumescent fireproof surfaces. Then, the potential and necessity of using cellulosic biobased substrates are addressed for use in modified shapes as waterproof and fire inhibitor coatings. Cost-effective, eco-friendly, and durable, dual-function coatings are also introduced as future challenges, which are exploited as water-repellents and flame-retardant cellulose-based surfaces for pulp and paper applications.

Highlights

  • Lignocellulosic biomass is often investigated as a biodegradable and renewable substitute for petroleum products because environmental problems such as pollution, global warming, and fuel resource tensions have arisen from the development of various industries [1,2].Cellulose is the most plentiful polysaccharide and the basic substance in the cell walls of plants

  • Various forms of cellulose such as cellulose derivatives, regenerated cellulose, microcrystalline cellulose (MCC), cellulose nanocrystals (CNC), cellulose nanofibrils (CNF), and other modified forms of Materials 2022, 15, 82 forms of cellulose have been investigated by researchers both in academic laboratories and industrial

  • As the waterproof and fireproof conticed in the wood paper industry, the necessity of using thebeen abovemenceptsby ofresearchers modified cellulosic andand nanocellulosic substrates have only recently noticed by researchers wood andaspaper industry, the necessity using thein abovementioned tioned surfaces in is the investigated coatings

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Summary

Introduction

Lignocellulosic biomass is often investigated as a biodegradable and renewable substitute for petroleum products because environmental problems such as pollution, global warming, and fuel resource tensions have arisen from the development of various industries [1,2]. Cellulose is the most plentiful polysaccharide and the basic substance in the cell walls of plants It is derived from lignocellulosic biomass and is the main origin of organic compounds in nature [3]. As the waterproof and fireproof conticed in the wood paper industry, the necessity of using thebeen abovemenceptsby ofresearchers modified cellulosic andand nanocellulosic substrates have only recently noticed by researchers wood andaspaper industry, the necessity using thein abovementioned tioned surfaces in is the investigated coatings. The futureofchallenge this field, obsurfaces is investigated coatings.substances, theisfuture challenge in this field, obtaining taining binary coatings onascellulosic mentioned.

Water Resistance and Fire Resistance Implications
Prevalent Applicable Nanocellulosic Substances in the Wood and Paper Fields
Cellulose and Nanocellulose Substrates as Coating Layers
The Necessity of Using Waterproof Surfaces for Cellulose-Based Substances
The Necessity of Using Fireproof Surfaces for Cellulose-Based Substances
Findings
Conclusions and Outlook
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