Preparation and Characteristic of Composites with Wheat Straw Woodceramic / Attapulgite

Wu, Wen Tao; Tan, Fang Liang; Xu, Feng

doi:10.4028/www.scientific.net/amm.330.126

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Wood ceramics (WCS) are new materials produced based on the idea of creating new high-performance materials from recovered wood and wood residues. In the preparation process, WCS were prepared by pyrolysis of woody materials such as wood raw materials, wood processing residues, wastepaper, bagasse and straw, impregnated with different precursor substances, such as resins and metals [1][2][3]. A composite material with both biochar and ceramic properties was obtained after carbonization [4].…”

Section: Introductionmentioning

confidence: 99%

Properties of Wood Ceramics Prepared from Thermo-Modified Poplar

Chen

Bahmani

Humar

et al. 2020

Forests

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Wood ceramics (WCS) were prepared from thermo-modified poplar wood residues and untreated poplar wood. At 1000 °C sintering temperature, the ratios of wood powder and phenolic resin at 10:3, 10:6 and 10:9 were tested. The effects of materials on the properties of WCS, carbon yield and volume shrinkage were studied. With the increase in resin content, the carbon yield increased; however, the volume shrinkage decreased. Carbon yield of WCS made from 220 °C thermo-modified poplar wood was 40.45%, as the ratio of wood powder/phenolic resins was 10:6. The microstructure, chemical structure and crystallinity of WCS were analysed by scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) and X-ray diffraction (XRD), respectively. The results showed that WCS had a porous structure. WCS prepared from thermo-modified materials, amorphous carbon and hard glass carbon melted more evenly; meanwhile, there were more pores on glass carbon. The FTIR spectra showed that the stretching vibration of C-O-C weakened at ceramics made of thermo-modified poplar. The XRD pattern indicated that the raw material has no apparent influence on the graphitization degree of WCS.

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Section: Introductionmentioning

confidence: 99%

Properties of Wood Ceramics Prepared from Thermo-Modified Poplar

Chen

Bahmani

Humar

et al. 2020

Forests

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“…Tùy theo nhiệt độ nung mà cacbon sẽ là dạng vô định hình hoặc cacbon có cấu trúc graphite [1,2]. Vì vậy, vật liệu gốm gỗ có thể xem là một loại vật liệu thân thiện môi trường, khi quá trình sản xuất có thể tận dụng các nguồn nguyên liệu gỗ thải từ những ngành sản xuất công/ nông nghiệp khác [3][4][5].…”

unclassified

Ảnh Hưởng Của Nhựa Thông Đến Tính Chất Của Gốm Gồ Từ Bã Thải Vỏ Điều

Kiên¹,

Khải²,

Tuấn³

et al. 2020

jst-iuh

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Gốm gỗ (Woodceracmis) là sản phẩm gốm được hình thành bằng cách nung kết khối nguyên liệu có nguồn gốc từ gỗ ở nhiệt độ cao. Trong nghiên cứu này, nhóm tác giả sẽ khảo sát ảnh hưởng của hàm lượng chất kết dính nhựa thông đến tính chất của sản phẩm gốm gỗ từ nguồn nguyên liệu bã thải vỏ điều. Bã thải vỏ điều sẽ được nghiền mịn và trộn với nhựa thông ở các tỉ lệ khác nhau. Các hỗn hợp sau trộn được tạo hình bằng ép nóng ở 1300C dưới áp lực 1MPa sau đó nung ở nhiệt độ 9000C trong môi trường thiếu oxy. Các mẫu sau nung sẽ được xác các tính chất như độ bền nén (bằng phương pháp bền nén xuyên tâm), khối lượng thể tích (bằng phương pháp chiếm chỗ chất lỏng), liên kết hóa học (bằng phổ hồng ngoại FTIR), thành phần khoáng (bằng phương pháp nhiễu xạ tia X) và hình thái học (bằng kính hiển vi điện tử quét SEM). Các kết quả thu được sẽ cho những kết luận về sự biến đổi của các tính chất theo thành phần nhựa thông sử dụng.

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Experimental study on selected properties and microstructure of pine-based wood ceramics

Du,

Qiao,

Guo

et al. 2024

International Journal of Materials Research

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Wood ceramics using biomass materials as templates possess the benefits of facile fabrication and versatile applicability. To investigate the physical properties, chemical properties and microstructure of wood ceramics prepared from biomass materials, the basic properties and potential applications of wood ceramics were expounded. In this paper, wood powder wood ceramics (WPWC) and wood fiber wood ceramics (WFWC) were prepared through the vacuum carbonization method, utilizing pine powder and pine fiber as raw materials. The impact of phenolic resin concentration and mixture filling mass on various properties of wood ceramics, including mass loss rate (MLR), volume shrinkage rate (VSR), apparent porosity (AP), and bending strength (BS) were investigated on this basis. The microtopography and pore structure of wood ceramics were also analyzed. The test results show that an increase in the concentration of phenolic resin led to a decrease in the MLR, VSR, and AP of WPWC and WFWC, while their BS exhibited an increase. When the concentration of phenolic resin was 60 %, the phenolic resin yielded a BS of 8.70 MPa and 9.20 MPa for WPWC and WFWC, respectively. Furthermore, the microstructures of both WPFC and WFWC reveal hierarchical porous structures. The difference is that WPFC has a dispersed three-dimensional network topology in its overall morphology, which is mainly formed by filamentous or long linear glass carbon in wood ceramics dominated by carbon. The natural and consistent pore structure of WFWC is comparable to a three-dimensional honeycomb structure, the primary mesoporous size was around 40.28 nm and the main macropore size was more than 10,000 nm. It elucidates the pore structure of WPWC and WFWC, characterized by “hierarchical porosity”, the differences and relationships between porous wood ceramics derived from powdery and fibrous biomass as raw materials were analyzed, which contributes to the advancement of the fundamental principles of wood ceramics and establishes a theoretical basis for the practical exploration and development of biomass materials.

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Preparation and Characteristic of Composites with Wheat Straw Woodceramic / Attapulgite

Cited by 3 publications

References 3 publications

Properties of Wood Ceramics Prepared from Thermo-Modified Poplar

Properties of Wood Ceramics Prepared from Thermo-Modified Poplar

Ảnh Hưởng Của Nhựa Thông Đến Tính Chất Của Gốm Gồ Từ Bã Thải Vỏ Điều

Experimental study on selected properties and microstructure of pine-based wood ceramics

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