Effects of density and resin content on the physical and mechanical properties of scrimber manufactured from mulberry branches

Yu, Haixia; Fang, Chongrong; Xu, Ming; Guo, Fu; Yu, Wenji

doi:10.1007/s10086-014-1455-6

Cited by 29 publications

(12 citation statements)

References 4 publications

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“…The scrimber is generally composed of fiber bundle of inferior quality material such as poplar, eucalyptus etc., [1][2][3][4][5]. The fibrosis treatment in the manufacturing process of the scrimber is carried on the thick veneer using fluffing and separation technique, which is essentially different from the traditional manufacture technology of wood products.…”

Section: Introductionmentioning

confidence: 99%

The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Wei

Huang

et al. 2018

J Wood Sci

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The scrimber is composed of the special elementary unit called fibrosis veneers. Study on chemical constituent changes of fibrosis veneers during heat treatment is helpful to expand the application areas of scrimbers. The objectives of this study were to investigate the effect of heat treatment on the chemical composition of poplar fibrosis veneers. The content changes of chemical composition and extractives after heat treatment were evaluated by chemical analysis. X-ray photoelectron spectroscopy (XPS) and solid-state nuclear magnetic resonance (NMR) were used to characterize the changes in the chemical structure of components. Untreated samples were also set for comparison. The results indicated that transformation of the material induced by this treatment led to an increase in the contents of lignin and extractives, while a decrease in those of holocellulose and α-cellulose. XPS spectroscopy results showed that the hemicelluloses and celluloses could be strongly affected by the atmosphere in the oven during the treatment. Relatively, the lignin was not very sensitive to the heating process to some extent. Solid-state NMR results showed that different degrees of transformations of the polymers took place during the heat treatment, resulting from the deacetylation of hemicelluloses, demethoxylation of lignin and changes in the cellulose structure.

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Section: Introductionmentioning

confidence: 99%

The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Wei

Huang

et al. 2018

J Wood Sci

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“…It is a kind of reconstituted wood product, which is manufactured from integrated parallel wood strips or veneers with addition of binders under application of temperature and pressure (He et al 2016). Fast-growing species such as poplar (Li et al 2016), Eucalyptus, bamboo (Chung and Wang 2017) and mulberry branches (Yu et al 2015) are main raw materials for scrimber production. Compared with other wood composites such as particleboard and medium density fiberboard (MDF) (Candan et al 2017), scrimber has excellent mechanical properties, which has the potential for structural applications in practical engineering.…”

Section: Introductionmentioning

confidence: 99%

Surface properties of novel wood-based reinforced composites manufactured from crushed veneers and phenolic resins

Huang

Zhang

et al. 2019

Maderas, Cienc. tecnol.

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This study was performed to determine the surface properties of novel wood-based reinforced composites made from poplar veneers and phenolic resins. The veneers with different thickness (1,8; 4; 6; 8 mm) were finely crushed and then were impregnated with phenolic resins to achieve different resin loading (12, 14, 18%). Finally, they were laminated or random paved to manufacture novel wood-based reinforced composites with different target densities (900-1100 kg/m 3). With increased veneer thickness or resin content, the hardness of novel wood-based reinforced composites decreased and their roughness increased. The increase of density contributed to the increased hardness and decreased roughness. The surface wettability of novel wood-based reinforced composites appeared to be closely related to their surface roughness. There was a negative correlation between contact angle and roughness. The novel wood-based reinforced composites prepared by laminated mat formation showed higher hardness, lower roughness than those by random mat formation. Such data of surface properties can be applied to design the novel wood-based reinforced composites products with desired quality and provide basic information for further panel processing.

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“…Attempts have been made to reduce the use of wood in particleboard by introducing mixtures of forest waste [27], whole trees [28], gardening tree pruning [26,29] and fruit tree pruning [30]. Particleboards have been designed with mulberry pruning waste using different adhesives: phenol formaldehyde [31], urea formaldehyde [32] and starches [33]. In addition, mulberry laminated veneer lumbers with different impregnation products for construction materials have been investigated as fire retardants [34].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Fruit and Vegetable Containers Made from Mulberry Wood (Morus Alba L.) Waste

et al. 2019

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Mulberry trees (Morus alba L.) are used as ornamental and shade trees in urban gardening in Spain. These trees must be pruned once a year, and the waste is usually sent to the tip. Current research efforts aim to optimize biomass-based material sources and reduce the pressure on natural and planted forests. The objective of this study was to produce fruit and vegetable containers using particleboards made from mulberry tree pruning waste and to evaluate their properties. Mulberry particleboards were made and their mechanical properties were tested to demonstrate their suitability for industrial uses. Afterwards, the containers made with mulberry particleboards were tested. The strength of the containers was less than 5000 kg to dynamic compressive strength. Deformation by stacking was 3.15 mm, which is less than the maximum allowed of 6.1 mm, and flexural deformation of the base was 2 mm.

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Effects of density and resin content on the physical and mechanical properties of scrimber manufactured from mulberry branches

Cited by 29 publications

References 4 publications

The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Surface properties of novel wood-based reinforced composites manufactured from crushed veneers and phenolic resins

Evaluation of Fruit and Vegetable Containers Made from Mulberry Wood (Morus Alba L.) Waste

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