Towards low polymer content transparent composites via novel integration engineering

Author:

Wu Jiamin1ORCID,Liang Yunyi1,Wu Yingji1,Li Jianzhang12,Lu Jianxiong13,Lam Su Shiung45,Naushad Mu.6,Sonne Christian7,Xia Changlei1ORCID

Affiliation:

1. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering , Nanjing Forestry University , Nanjing , Jiangsu 210037 , China

2. Beijing Key Laboratory of Wood Science and Engineering , Beijing Forestry University , Beijing 100083 , China

3. Research Institute of Wood Industry , Chinese Academy of Forestry , Beijing 100091 , China

4. Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP) , Universiti Malaysia Terengganu , 21030 Kuala Nerus , Terengganu , Malaysia

5. Department of Chemistry , University Centre for Research and Development, Chandigarh University , Gharuan , Mohali , Punjab , India

6. Department of Chemistry, College of Science , King Saud University , P.O. Box 2455 , Riyadh 11451 , Saudi Arabia

7. Department of Bioscience , Aarhus University, Arctic Research Centre (ARC) , Frederiksborgvej 399, DK-4000 Roskilde , Denmark

Abstract

Abstract The high polymer and low wood content of current transparent wood has limitation in the mechanical strength and hence obstruct green sustainable transition of the building industry. In this study, a novel method for manufacturing transparent wood was reported by minimizing the usage of polyethylene glycol using partial impregnation followed by a densification approach. The delignified wood was firstly partially impregnated by polyethylene glycol, and subsequently compressed to eliminate pores for the compressed transparent wood, providing the strong hydrogen bonds and dense structures for transparent wood. The wood content of the novel compressed transparent wood was dramatically increased to 64%, compared with the uncompressed transparent wood of 25%. Additionally, the obtained compressed transparent wood demonstrated satisfactory optical transmittance, suitable thermal energy storage, and superior mechanical strengths owing to the formation of densely packed microstructures. This novel, sustainable, and low-cost transparent wood was easy to be manufactured while having increased mechanical and energy-saving characteristics compared to those available in the existing market.

Funder

Universiti Malaysia Terengganu under International Partnership Research Grant

Institute of Tropical Aquaculture and Fisheries (AKUATROP) program

Researchers Supporting Project number (RSP2023R8), King Saud University, Riyadh, Saudi Arabia

Postgraduate Research & Practice Innovation Program of Jiangsu Province

National Key R&D Program of China

Jiangsu Agriculture Science and Technology Innovation Fund

the Ministry of Higher Education, Malaysia under the Higher Institution Centre of Excellence

Publisher

Walter de Gruyter GmbH

Subject

Biomaterials

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