PAPER making! g! FROM THE PUBLISHERS OF PAPER TECHNOLOGY INTERNATIONAL ® Volume 9, Number 2, 2023
having 50 % BNC and 50 % of carboxymethylcellulose. Overall, the present results highlight the possibility of using BNC as a paper component, particularly when applied at the paper substrate as a coating agent aiming at improving printing quality. “Rice Straw as a Source of Nanocellulose for Sustainable Food Packaging Materials: A Review”, Makdud Islam, Praveen Saini, Rahul Das, Shubhra Shekhar, Akhouri Sanjay Kumar Sinha & Kamlesh Prasad, BioResources , Vol.18(1), Feb. 2023, pp.2351-2385. Asian countries, despite being the largest producers and yielding a significant proportion of the world’s rice, have poor disposal facilities for the harvested rice straw (stubble). Due to higher costs in their handling relative to their value, local farmers prefer the burning of stubble fields, thus creating environmental problems. Even though the government has taken initiatives, no effective solution has been discovered to handle this large agro-waste problem efficiently. In this regard, the utilization of rice straw to develop nanocellulose (NC) products is of interest. Renewability and biodegradability, along with suitable mechanical and thermal properties required for the packaging functions, are key advantages of NC. The bio-nanocomposites prepared using NC and other bio-based polymers are also being widely considered for sustainable food packaging applications due to the reinforcement provided by NC and alternative petroleum-based packaging materials. This review provides an overview of process utilization for preparing NC products using rice straw, pulping methods, and isolation to produce bio- nanocomposites for sustainable food packaging applications. The challenges and future aspects covering the utilization of rice straw for producing NC and eventually producing active packaging materials are also discussed PACKAGING TECHNOLOGY “Structural design and performance study of corrugated fibreboard with a laminated structure”, Zhou Li -na, Zhong Chen, Liu Li, Guo Yan-ping, Chen Xin & Xia Zheng, Packaging Technology and Science , 2023, online. Corrugated box is an important transport packaging container in the global logistics. The research on its raw material, that is, corrugated fibreboard, has always been an important topic in the packaging field. However, the research objects nearly focus on the corrugated fibreboard of traditional corrugated medium. The innovative research on the structure of corrugated fibreboard is also still rare. Since the pandemic COVID-19 in 2020, the international corrugated packaging industry has faced new dilemma. The development of new corrugated boxes and fibreboard is the way to break the situation in innovation and transformation. This study aims to design a new fibreboard with laminated structure medium for obtaining a new type of corrugated fibreboard for packaging with better cushioning and anti-vibration performance than traditional corrugated fibreboard. The verification experiments show that the new fibreboard has better recovery and structural stability due to its unique three-layer structure. The static and dynamic cushioning performance and anti-vibration performance of the proposed fibreboard have been greatly improved compared with those of the traditional one. PAPERMAKING “Changes in fold cracking properties and mechanical properties of high -grammage paper as affected by additive and fillers”, Kim, D. -S. & Sung, Y.J., BioResources , Vol.18(2), May 2023, pp.3217-3227. Fold cracking, which reduces the economic feasibility of paper-making, is a localized surface deformation caused by extreme bending stress. Most paper products, such as base paper and coated paper, generate fold cracking during folding processing. To control fold cracking, the mechanical properties of the base paper can be strengthened, and the flexibility of the structure can be increased by controlling the
Technical Abstracts
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