Plasma Treatments to Improve the Bonding of Thermo-Treated Cherry Wood

Zheng, Qingzhu; Zhang, Weifeng; Lin, Huiping; Yu, Junwen; Yang, Wenbin; Zhang, Xin‐Xiang

doi:10.3390/coatings9100656

Cited by 5 publications

(3 citation statements)

References 22 publications

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“…It has also been found in the literature that the plasma modification process changes the adhesion strength and the parameters of the plasma treatment process have an effect on the adhesion strength, and this is similar to the results of the present study. [ 48 , 50 , 51 , 53 , 64 , 65 ]. In addition, it has been found in the literature that the conditions of heat treatment are also effective on the adhesion strength and this is similar to the results of the present study.…”

Section: Discussionmentioning

confidence: 99%

“…According to literature studies show that plasma application factors such as treatment speed, working distance, pressure, application time, power, and frequency were effective in changing the characteristic properties of the material surface. In addition to these, the properties vary with the geometry and frequency of the electrode induced by plasma and corona discharge [ 47 , 48 , 49 , 50 , 51 , 52 , 53 ].…”

Section: Introductionmentioning

confidence: 99%

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Improvement of Heat-Treated Wood Coating Performance Using Atmospheric Plasma Treatment and Design of Experiments Method

Hazır

2021

Polymers

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The aim of this work is to improve the heat-treated wood coating performance using experimental design methodology and air–plasma treatment. Firstly, two different heat treatment processes were applied to the wood samples. In the second stage of the study, air–atmospheric plasma treatment was applied to heat-treated samples. These samples were coated with water-based varnish. Adhesion strength and colour change values of these samples before and after the artificial weathering test were measured. The design of experiments method was used to investigate the significant factors. The heat treatment process (212 °C—1 h and 212 °C—2 h) and atmospheric plasma treatment parameters (pressure, distance, and feed) were selected as independent variables, while adhesion strength and colour change were determined as dependent variables. The factors affecting the surface coating performance before and after the artificial weathering test were evaluated by analysis of variance (ANOVA) and Pareto plot. In addition, the factor levels that maximise the adhesion strength value and minimise the colour change were found using the multiobjective optimisation technique. According to the multiobjective optimisation method, results of treatment feed, working distance, and pressure of 60 mm/s, 7.69 mm, and 1 bar were considered as optimum plasma treatment conditions, respectively, for heat treatment process A. Corresponding values for the heat treatment process B were 60 mm/s, 10 mm, and 2 bar.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Improvement of Heat-Treated Wood Coating Performance Using Atmospheric Plasma Treatment and Design of Experiments Method

Hazır

2021

Polymers

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“…Plasma surface modification can be a solution as its burden on the environment is considerably less. There are attempts to replace conventional wood treatment methods with plasma treatment [55][56][57]. However, the impact of plasma treatment is still being explored and we believe that the complete elimination of traditional methods is yet to be seen.…”

Section: Efficiency and Environmental Impact Of Methodsmentioning

confidence: 99%

Can Plasma Surface Treatment Replace Traditional Wood Modification Methods?

2022

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Wood modification is an excellent and increasingly used method to expand the application of woody materials. Traditional methods, such as chemical or thermal, have been developed for the targeted improvement of some selected properties, unfortunately typically at the expense of others. These methods generally alter the composition of wood, and thus its mechanical properties, and enhance dimensional stability, water resistance, or decrease its susceptibility to microorganisms. Although conventional methods achieve the desired properties, they require a lot of energy and chemicals, therefore research is increasingly moving towards more environmentally friendly processes. The advantage of modern methods is that in most cases, they only modify the surface and do not affect the structure and mechanical properties of the wood, while reducing the amount of chemicals used. Cold plasma surface treatment is one of the cheapest and easiest technologies with a limited burden on the environment. In this review, we focus on cold plasma treatment, the interaction between plasma and wood compounds, the advantages of plasma treatment compared to traditional methods, and perspectives.

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