Volatile organic compounds and odor emissions from veneered particleboards coated with water-based lacquer detected by gas chromatography-mass spectrometry/olfactometry

Wang, Qifan; Shen, Jun; Shao, Yongbo; Dong, Hanwu; Li, Zhaojing; Shen, Xiwei

doi:10.1007/s00107-019-01427-6

Cited by 26 publications

(9 citation statements)

References 32 publications

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“…The odor characteristics of P. neurantha were identified as follows: benzene was reported as aromatic, the same as the finding of aromatic odor by the U.S. National Institute for Occupational Safety and Health (NIOSH) 25 . Sax 26 also found it to have a gasoline-like and rather pleasant aromatic odor, and the burnt characteristic was reported by Wang et al 27 . Toluene was found to have both an aromatic and a sweet characteristic; the characteristic of sweet and pungent was reported by NIOSH 25 .…”

Section: Characterization Of Odor-active Compounds Of P Neurantha Wimentioning

confidence: 71%

Effect of lacquer decoration on VOCs and odor release from P. neurantha (Hemsl.) Gamble

Wang

Zeng

Shen

et al. 2020

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The problem of odor caused by solid wood and its lacquer finish is increasingly serious. In this study, gas chromatography-mass spectrometry/olfactometry is used to analyze the volatile organic compounds and odor-active substances released from Phoebe neurantha (Hemsl.) Gamble lacquered with three types of lacquers, which is helpful in solving furniture's odor problem. The results show that olefin emission of the three types of lacquer coating for P. neurantha (Hemsl.) Gamble decreases by more than 90% but that total volatile organic compound release increases. Among these, polyurethane (PU) lacquer could lead to a sharp increase of ester and aromatic hydrocarbons. Waterborne lacquer also releases numerous esters and alcohol compounds. Ultraviolet (UV)-curable lacquer has the greatest inhibitory effect on alcohols, aldehydes, and ketones and does not release esters or other compounds, but the release of toluene increases sharply. Benzaldehyde, toluene, and 1,3-dimethylbenzene are identified as key odor characteristic compounds of P. neurantha (Hemsl.) Gamble. Aromatic and fruity are the main odor characteristics of P. neurantha and three types of lacquer decoration studied. The overall odor intensity increases with lacquer treatment, especially PU lacquer. Among them, UV lacquer has the lowest overall odor intensity. With the improvement of human standards of living, people are paying increasing attention to the indoor air environment. The main source of indoor air pollution is volatile organic compounds (VOCs) 1,2 , which are regarded as hidden killers in decoration by the medical community, and the odor produced by some VOCs has become a common sensitivity for some people 3. VOCs can lead to serious harm to human health 4 When the concentration of VOCs in an indoor environment reaches a certain level, people will feel sick, experiencing headache, nausea, vomiting, fatigue, and other symptoms. When the effects are serious, people may have convulsions; enter a coma; experience effects on their mind, blood circulation, liver, kidneys, etc.; and even suffer from leukemia 5. Wallace 6 found that VOCs in benzene, dichloroethylene, dichlorobenzene, dichloromethane, carbon tetrachloride, and other organic compounds have certain genotoxicity and carcinogenicity, which are among the main causes of the sick building syndrome 7. In addition, for a period after a house has been decorated, residents often perceive an obvious chemical smell in a room, even when testing shows the VOCs do not exceed the standard acceptable level. This is because some compounds can produce a peculiar smell even when the concentration is lower than the limit value of the existing standard. Therefore, humans living in odor pollution environment for a long period may experience multiple effects. The odor environment can affect human health, such as stimulation of eyes, nose, respiratory tract, and skin; central nervous system abnormality; and functional obstacles of heart, liver, kidneys, spleen, and hematopoiesis, and also will harm the human spir...

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Section: Characterization Of Odor-active Compounds Of P Neurantha Wimentioning

confidence: 71%

Effect of lacquer decoration on VOCs and odor release from P. neurantha (Hemsl.) Gamble

Wang

Zeng

Shen

et al. 2020

Sci Rep

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“…The test procedure was set according to Wang et al 52 Based on specific screening and training recommendations in ISO 12219-7, four assessors (between 20 and 30 years old, with no history of smoking and no olfactory organ disease) were chosen to form an odor-analysis evaluation group. The experimental environment was set to National Standards Authority of Ireland reference standard EN 13725-2003.…”

Section: Analytical Odor Technology: Gc-o Gc-o Technology Was Used Imentioning

confidence: 99%

Identification and analysis of odor-active compounds from Choerospondias axillaris (Roxb.) Burtt et Hill with different moisture content levels and lacquer treatments

Wang

Shen

Zeng

et al. 2020

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The problem of indoor odors can greatly affect a room’s occupants. To identify odorants and comprehensively evaluate emissions from wooden materials, emissions and odors from Choerospondias axillaris (Roxb.) Burtt et Hill with different moisture content percentages and lacquer treatments were investigated in this study. Thermal desorption–gas chromatography–mass spectroscopy/olfactometry was used to analyze the release characteristics. In total, 11 key odor-active compounds were identified as moisture content gradually decreased, concentrating between 15 and 33 min. Total volatile organic compounds, total very volatile organic compounds, and total odor intensity decreased as moisture content decreased. In addition, 35 odor-active compounds, including aromatics, alkenes, aldehydes, esters, and alcohols, were identified in the odor control list. Polyurethane (PU), ultraviolet (UV), and waterborne coatings had a good inhibitory effect on eight odor characteristics, but some scents arose after lacquer treatment. For equilibrium moisture content, the major characteristics of Choerospondias axillaris were fragrant (9.4) and mint-like (3.0) compared with the fragrant (8.2), fruity (7.8), and pleasant (5.8) characteristics of PU coating; the flowery (5.9), fragrant (5.0), glue-like (4.3), and pineapple-like (4.3) characteristics of UV coating; and the antiseptic solution (3.6), fragrant (2.9), cigarette-like (2.8), and fruity (2.5) characteristics of waterborne coating. Based on multicomponent evaluation, a Choerospondias axillaris board with waterborne coating was suggested for use indoors.

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“…In addition to these, this technology has been used in the wood and furniture industry. Wang et al found more than 10 odor compounds from veneered particleboard coated with waterborne paint, identifying aromatics and alcohols as the major odor substances [ 21 ]. The odor profile of Calocedrus decurrens (Torr.)…”

Section: Introductionmentioning

confidence: 99%

Research on Very Volatile Organic Compounds and Odors from Veneered Medium Density Fiberboard Coated with Water-Based Lacquers

et al. 2022

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Very volatile organic compounds (VVOCs) are a group of important odor pollutants affecting indoor air quality that have been shown to be harmful to human health. A 15 L environmental chamber, combined with multi-bed tube was used to collect gases. Fifteen very volatile organic compounds (VVOCs), including 12 odor compounds, were identified from veneered medium density fiberboard coated with water-based lacquer (WB-MDF) using gas chromatography–mass spectrometry/olfactometry (GC-MS/O). The total very volatile organic compound (TVVOC) and total odor intensity (TOI) showed a decreasing trend over time, reaching equilibrium on day 28. TVVOC showed an overall slow-fast-slow emission profile, from day 3 to day 7, with a maximum decay rate of 29.7%. TOI showed the greatest rate of decline from day 1 to day 3, at approximately 12%. Alkane and alcohol VVOCs were the more abundant compounds, accounting for at least 60% and even up to 80% of the total. The major odor impression was fruity, with a highest odor rating of 6.6, followed by sweet, with an odor rating of 6.1. Although the odor impression changed from sweet to fruity over time, it seemed pleasant overall. The odor contributors were mainly alkanes, alcohols, esters, and ethers, which had relatively high odor intensities. The main odor-contributing substances were dichloromethane, ethanol, ethyl acetate, 2-methylacrylic acid methyl ester, and tetrahydrofuran. When WB-MDF is used for furniture or other decorative materials, it is strongly recommended that it be stored under ventilation for at least 28 days and the adoption of substitute solvents of lacquers, modified adhesives, and low-odor wood raw materials is recommended. These possible initiatives would contribute to the aim of building an environmentally friendly indoor environment.

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Volatile organic compounds and odor emissions from veneered particleboards coated with water-based lacquer detected by gas chromatography-mass spectrometry/olfactometry

Cited by 26 publications

References 32 publications

Effect of lacquer decoration on VOCs and odor release from P. neurantha (Hemsl.) Gamble

Effect of lacquer decoration on VOCs and odor release from P. neurantha (Hemsl.) Gamble

Identification and analysis of odor-active compounds from Choerospondias axillaris (Roxb.) Burtt et Hill with different moisture content levels and lacquer treatments

Research on Very Volatile Organic Compounds and Odors from Veneered Medium Density Fiberboard Coated with Water-Based Lacquers

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