Physical and Mechanical Properties of Methyl Methacrylate-Impregnated Wood from Three Fast-Growing Tropical Tree Species

Hadi, Yusuf Sudo; Massijaya, Muh Yusram; Zaini, Lukmanul Hakim; Pari, Rohmah

doi:10.5658/wood.2019.47.3.324

Cited by 21 publications

(15 citation statements)

References 15 publications

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“…The introduction of monomers and the subsequent in situ polymerization of these monomers into a polymer chain is one approach to permanently encapsulating novel materials in wood. These compounds undergo in situ polymerization after being exposed to radiation (Hadi et al 2019) or by radical initiator at elevated temperatures (Che et al 2018). A wide variety of vinyl monomers that are commercially available on the market, including acrylonitrile, glycidyl methacrylate, methyl methacrylate, hydroxyethylene, ethylene glycol, dimethacrylate, butyl acrylate, butyl methacrylate, styrene, acrylamide, or acrylonitrile, have been studied by several researchers.…”

Section: Nonbonded Leachable (Nbl)mentioning

confidence: 99%

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Wood impregnation in relation to its mechanisms and properties enhancement

Augustina¹,

Dwianto²,

Wahyudi³

et al. 2023

BioRes

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The principle of wood impregnation entails treating wood with a monomer/impregnating agent that diffuses into the cell walls, often followed by polymerization to change desired properties. Numerous studies related to this matter have been reported and continue to attract more interest, as wood impregnation can significantly improve wood properties. These processes can be grouped into two approaches: active modification involves the chemical alteration of wood structure by cross-linking, and passive modification features filling of cell cavities and/or cell walls with impregnating agents without any chemical reaction taking place. Wood impregnations could have resulted in an increase in its weight gain due to impregnating agents filling its cavities. It will diminish the utilization of wood as an engineering material in selected application fields. Owing to the extensive literature available, this article summarizes the representative achievements of wood impregnation. The mechanisms, benefits, and drawbacks of various impregnating agents on wood properties, along with grouping the impregnating agents that cause greater or lesser weight gain of wood were analyzed, compared, and evaluated. Thus, according to the application state of wood impregnations, the problems existing in those processes and the developmental trends in the future are also discussed in this review.

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Section: Nonbonded Leachable (Nbl)mentioning

confidence: 99%

“…After 24 h soaking, WA may be lowered from 50% (untreated) to ≈ 20%. Hadi et al (2019) investigated the effects of methyl methacrylate (MMA) impregnation on different wood species. They observed that the WPG of MMA-treated wood was around 14.62 to 23.75%; hence, it could achieve a WA of around 24% to 56.7%.…”

Section: Nonbonded Leachable (Nbl)mentioning

confidence: 99%

Wood impregnation in relation to its mechanisms and properties enhancement

Augustina¹,

Dwianto²,

Wahyudi³

et al. 2023

BioRes

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“…Fast-growing wood species dominate the production of this log. Fast-growing trees are a particular kind of woody plant with a harvest time of fewer than 10 years [2][3][4][5][6][7] This kind of plant is widely grown in Industrial Plantation Forests (HTI) and Community Plantation Forests (HTR) due to its quick harvesting phase [5]. However, the standard essential features this fast-growing plant species has, such as its low-density value and low level of dimensional stability, provide issues in its application [8].…”

Section: Introductionmentioning

confidence: 99%

The effect of densification time on quality of Jabon Wood (Anthocephalus cadamba)

Hartono,

Sitompul,

Sutiawan

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Wood densification is a technique to increase the quality of low-density wood such as Jabon wood. The variation of densification time of Jabon wood will affect the quality of the wood. This study aimed to determine the effect of densification time on the physical and mechanical properties of Jabon wood. Jabon wood was densification using a hot press at 5, 10, 15, and 20 minutes at a temperature of 180 °C and a densification target of 20%. This densification wood will be compared to control wood. The results showed that the density value increased from 0.37 g/cm3 to 0.39-0.42 g/cm3, and the moisture content value was reduced to 11.57-15.12 %. There was an increase in value modulus of elasticity, modulus of rupture, and compression parallel to the grain by 31.55-48.86%, 6.65-35.33%, and 42.68-55.26%, respectively. The optimum value of this study resulted in a densification time of 10 minutes.

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“…Antonios N. et al [9] chemically modified wood by acetic anhydride and found that acetylation significantly affected the toughness of wood. Hadi Y. S. et al [10] impregnated wood by methyl methacrylate (MMA) and heated it to induce the polymerization process and found that the wood impregnated by MMA was physically and mechanical properties were improved. SH Lee et al [11] believed that, after oil heat treatment, the equilibrium moisture content of wood decreases, the compressive strength along the grain increases, and the change of mechanical properties brings strong moisture resistance, dimensional stability, and biological durability, which can be applied to floors and outdoor buildings.…”

Section: Introductionmentioning

confidence: 99%

Prediction of Mechanical Properties of Thermally Modified Wood Based on TSSA-BP Model

Wang

2022

Forests

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In order to demonstrate whether the sparrow search algorithm can show good performance in optimization, this paper improves the prediction model by this algorithm and predicts the change data of wood mechanical properties under different conditions, which better reflects the connection between the process parameters of wood heat treatment and the change of wood mechanical properties. The article takes the five main mechanical property parameters of thermally modified wood: compressive strength along the grain, flexural strength, flexural elastic modulus, radial hardness, and tangential hardness, respectively, as the objects of study and improves the sparrow search algorithm by Tenting chaotic mapping and then optimizes the Back Propagation (BP) network model by this algorithm. The results show that the number of iterations of the optimized Tent-Sparrow search algorithm-Back Propagation network model (TSSA-BP) is only one-eighth that of the original BP network model, and the convergence speed is greatly improved, the root mean square error of the TSSA-BP model is at least one-half times that of the original BP model, and the optimized model fits the original data better in terms of predicted values; thus, this article provided a feasible prediction algorithm for the field related to the mechanical property changes of wood after heat treatment.

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Physical and Mechanical Properties of Methyl Methacrylate-Impregnated Wood from Three Fast-Growing Tropical Tree Species

Cited by 21 publications

References 15 publications

Wood impregnation in relation to its mechanisms and properties enhancement

Wood impregnation in relation to its mechanisms and properties enhancement

The effect of densification time on quality of Jabon Wood (Anthocephalus cadamba)

Prediction of Mechanical Properties of Thermally Modified Wood Based on TSSA-BP Model

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