Results 11 to 20 of about 27,181 (301)

Effect of hemp fiber length on the mechanical and thermal properties of polypropylene/SEBS/hemp fiber composites

Journal of Materials Research and Technology, 2020
The control of the fiber length is proposed as a low cost and eco-friendly alternative to the expensive chemical treatments of fibers in polymer composites. Different initial lengths of hemp fibers (HF), ranging from 1 to 4 mm, were obtained using automatic milling and manual cutting.
Denis Mihaela Panaitescu, Radu Claudiu Fierascu, Augusta Raluca Gabor, Cristian Andi Nicolae   +3 more
openaire   +4 more sources

Mechanical and thermal conductivity properties of hemp fiber reinforced polyurethane composites

Case Studies in Construction Materials, 2018
The aim of the present work is to introduce natural hemp fiber as reinforcement in the preparation of partially biodegradable green composites. Composite of rigid polyurethane (PU) and hemp fiber (H.F) ​​were prepared at different loading rates in (H.F) ​
S. Sair, A. Oushabi, A. Kammouni, O. Tanane, Y. Abboud, A. El Bouari   +5 more
doaj   +3 more sources

Experimental investigation on the physical, microstructural, and mechanical properties of hemp limecrete

Scientific Reports, 2023
This paper investigates the hemp limecrete mechanical and microstructural performance of a new sustainable and environmental friendly building material. Several studies have investigated the hemp limecrete focusing on the non-structural applications. The
Siva Avudaiappan, Pablo Ignacio Cuello Moreno, Luis Felipe Montoya R, Manuel Chávez-Delgado, Krishna Prakash Arunachalam, Pablo Guindos, Teresita Marzialetti B, Pablo Fernando Parra, Erick I. Saavedra Flores, Julio Ignacio Flores Arrey   +9 more
doaj   +1 more source

Industrial Hemp Fibers: An Overview [PDF]

Fibers, 2019
Industrial hemp (Cannabis sativa) is one of the most available and widely produced bast fibers with high cellulose content. Interest in these fibers is warranted due to environmental protection challenges as well as their inherent properties such as low density, high specific strength, and stiffness.
Manaia, Manaia, Rodriges
openaire   +1 more source

Structural and Mechanical Properties of Hemp Fibers: Effect of Progressive Removal of Hemicellulose and Lignin

Journal of Natural Fibers, 2022
Hemicellulose and lignin were progressively removed from hemp fiber by hydrolysis. SEM, FTIR, XRD analysis and tensile properties evaluation on technical fibers were carried out to understand the structural and mechanical properties of hemp fibers ...
Chao Lu, C. H. Wang, C. H. Li, J. F. Tong, Y. F. Sun   +4 more
doaj   +1 more source

Substantiation of the Line for the Primary Processing of Industrial Hemp lnto Hemp of the Same Type Undirected

Сельскохозяйственные машины и технологии, 2022
It was shown that there is a need for the research and development of domestic lines for processing two-season raw industrial hemp of autumn and spring harvesting.
E. V. Novikov, I. N. Altukhova, A. V. Bezbabchenko   +2 more
doaj   +1 more source

Transcriptomic and metabolomic analyses reveal the differential accumulation of phenylpropanoids and terpenoids in hemp autotetraploid and its diploid progenitor

BMC Plant Biology, 2023
Background Cannabis sativa, a dioecious plant that has been cultivated worldwide for thousands of years, is known for its secondary metabolites, especially cannabinoids, which possess several medicinal effects.
Qing Tang, Ying Xu, Feng Gao, Ying Xu, Chaohua Cheng, Canhui Deng, Jiquan Chen, Xiaoge Yuan, Xiaoyu Zhang, Jianguang Su   +9 more
doaj   +1 more source

Thermographic non-destructive evaluation for natural fiber-reinforced composite laminates [PDF]

, 2018
Natural fibers, including mineral and plant fibers, are increasingly used for polymer composite materials due to their low environmental impact. In this paper, thermographic non-destructive inspection techniques were used to evaluate and characterize ...
Avdelidis, Nicolas P., Fernandes, Henrique, Ibarra-Castanedo, Clemente, Maldague, Xavier P. V., Santulli, Carlo, Sarasini, Fabrizio, Sfarra, Stefano, Zhang, Hai   +7 more
core   +3 more sources

Polypropylene/hemp woody core fiber composites: Morphology, mechanical, thermal properties, and water absorption behaviors

Advances in Mechanical Engineering, 2016
Natural fiber composites composed of polypropylene, maleic anhydride-graft-polypropylene, and hemp woody core fiber were produced by two-roll mill mixing. The hemp woody core fiber was treated by alkaline.
Chakaphan Ngaowthong, Vilai Rungsardthong, Suchart Siengchin   +2 more
doaj   +1 more source

Targeted Pre-Treatment of Hemp Fibers and the Effect on Mechanical Properties of Polymer Composites

Fibers, 2023
Research on plant-fiber-reinforced composites has gained significant research interest since it generates composites with exceptional mechanical properties; however, the potential of hemp fibers can only be fully exploited if the fibers are well ...
K. Palanikumar, Elango Natarajan, Kalaimani Markandan, Chun Kit Ang, Gérald Franz   +4 more
doaj   +1 more source