Results 21 to 30 of about 7,051,549 (295)

Effects of Alkali Swelling and Beating Treatments on Properties of Kraft Pulp Fibers

open access: yesBioResources, 2016
Three alkali swelling methods were used to treat two kinds of kraft pulp fibers. The morphological and chemical properties of the treated fibers were elucidated in terms of alkali concentration, with the aim of developing bulky paper and conserving wood ...
Kyoung-Hwa Choi   +2 more
doaj   +1 more source

Mechanical and Morphological Characteristics Study of Chemically Treated Banana Fiber Reinforced Phenolic Resin Composite with Vajram Resin

open access: yesJournal of Natural Fibers, 2022
The development of complete natural composite with natural fiber and natural resin is one of the challenges in the material era. To address the issue, this research article is aimed to study the possibility of utilizing the natural resin Vajram with ...
Sathish Kumar Rajamanickam   +4 more
doaj   +1 more source

Investigation of Green Composite: Preparation and Characterization of Alkali-Treated Jute Fabric-reinforced Polymer Matrix Composites

open access: yesJournal of Natural Fibers, 2021
Jute, a natural fiber available in India is used as reinforcement in composites because it is cheap, renewable and easy to process. Therefore, jute composites have drawn the attention of various industries and researchers.
Parth M. Kapatel
doaj   +1 more source

Effect of a New Composition Ratio and of a New Chemical Treatment on Natural Alfa Fiber/polypropylene Composites Manufacturing and Their Mechanical Properties

open access: yesJournal of Natural Fibers, 2022
In the present research, our aim is to study effects of alfa fiber content, alkali, maleic anhydride grafted polypropylene (MAPP), and the combined treatment (alkali and MAPP) on the tensile and flexural behavior of alfa fiber-reinforced polypropylene ...
Saker Messaoui   +5 more
doaj   +1 more source

Improvement of the Degradation of Tensile and Impact Strength of Water-aged Sisal Fiber-reinforced Polyester Composites: A Comparative Study on the Effects of Hybridizations, Hybrid Layering Sequences, and Chemical Treatments

open access: yesJournal of Natural Fibers, 2022
This research aims to reduce the degradation of sisal fiber-reinforced polyester composites due to water absorption through chemical treatments and hybridizations.
Abrha Gebregergs Tesfay   +2 more
doaj   +1 more source

Impact of curing conditions on the mechanical properties and micro characteristics of alkali-activated material synthesized from industrial waste soda residue

open access: yesCase Studies in Construction Materials
Alkali-activated materials (AAM) are considered a type of green cementitious material because they are produced without the grinding and calcining required for cement production, significantly reducing carbon emissions.
Haozhe Chen   +5 more
doaj   +1 more source

Effects of alkali pretreatment on lyocell woven fabric and its influence on pilling properties

open access: yes, 2019
Experiments were conducted to study the influence of various concentration of alkalis on the pilling properties of lyocell fabrics. Generally, the lyocell fabric has more tendency of pill formation due to fibrillation properties.
Trykarová, Jitka   +1 more
core   +1 more source

Acid resistance of alkali-activated concrete

open access: yes, 2021
Both alkali-activation concretes, which are becoming more and more common today to reduce carbon emissions, and conventional concretes can be exposed to organic and inorganic acids throughout their service life.
Karakoç M.B., Özcan A.
core   +1 more source

Performance assessment of surface modified natural fibre using NaOH in composite concrete

open access: yesMaterials Research Express, 2023
Abaca fiber degradation in concrete owing to its alkaline nature decreases the strength of concrete. This research focuses on overcoming the degradation by alkaline treatment with sodium hydroxide (NaOH) to improve fiber performance.
C Priya, K Sudalaimani
doaj   +1 more source

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