Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Demiao Chu"'
Publikováno v:
BioResources, Vol 19, Iss 2, Pp 3436-3460 (2024)
Ammonium dihydrogen phosphate (ADP) is a nitrogen-phosphorus-based inorganic flame retardant that is environmentally friendly and non-toxic. Wood treated with ADP has enhanced thermal stability and flame retardancy. Compounding ADP with Acid Red 3R d
Externí odkaz:
https://doaj.org/article/55cda5de63e24a61a72c6d9b683101d5
Autor:
Yang Li, Tao Yao, Yong Zhu, Shengquan Liu, Zuju Shu, Redžo Hasanagić, Fathi Leila, Demiao Chu
Publikováno v:
Drvna Industrija, Vol 75, Iss 1, Pp 31-42 (2024)
Based on the previous study of the heat-treated wood at 0-3 mm surface layer, this study focuses on the transition of thermal modification intensity on 160-220 °C heat-treated poplar from surface to core layers. The color change was evaluated by CIE
Externí odkaz:
https://doaj.org/article/bd99cc0a73c14a0f9cfbfc94c0a6f143
Publikováno v:
BioResources, Vol 19, Iss 1, Pp 955-972 (2023)
To enhance the synergistic effect of phosphorus (P) and nitrogen (N) on flame retardant property, four different phytic acid-based NP flame retardants (FR-PAN) were manufactured using phytic acid and urea with various molar ratios, ranging from 1:3 t
Externí odkaz:
https://doaj.org/article/4e0e9744c19a47e4b7b0e9fe68a65ee2
Autor:
Yang Li, Tao Yao, Yong Zhu, Zuju Shu, Shengquan Liu, Redžo Hasanagić, Fathi Leila, Demiao Chu
Publikováno v:
Drvna Industrija, Vol 74, Iss 4, Pp 447-457 (2023)
Wood heat treatment is an environmentally friendly method, and the heat-treated wood properties are closely related to thermal modification intensity. This study focuses on the 0-3 mm surface layer (SL) of poplar wood heat treated at 160~220 °C. The
Externí odkaz:
https://doaj.org/article/82ac48c6ceca43c7853ec29bef1141fa
Publikováno v:
Forests, Vol 13, Iss 5, p 722 (2022)
This paper presents differences in the drying behavior of red oak and yellow-poplar sapwood, heartwood, and bark and their relationship with selected physical characteristics. Drying experiments were performed on samples of sapwood, heartwood, and ba
Externí odkaz:
https://doaj.org/article/d7c69bfae80d41a2b0100352e5955de7
Autor:
Demiao Chu, Redžo Hasanagić, Atif Hodžić, Davor Kržišnik, Damir Hodžić, Mohsen Bahmani, Marko Petrič, Miha Humar
Publikováno v:
Forests, Vol 13, Iss 2, p 217 (2022)
This study aims to investigate the influence of thermal modification (TM) on the physical and mechanical properties of wood. For this purpose, the experimental part focused on selected influential parameters, namely temperature, residence time, and d
Externí odkaz:
https://doaj.org/article/7e6d96d50d2a486c9b491ffda46b9421
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 6948-6967 (2016)
The many uses of wood are greatly affected by its surface properties, which are significantly altered by heat treatment. Investigated here are the wettability and surface brittleness when treating poplar wood with heat at 160, 180, 200, and 220 °C f
Externí odkaz:
https://doaj.org/article/8361980a164a4adf93e96a5fee63267a
Publikováno v:
BioResources, Vol 11, Iss 2, Pp 3550-3560 (2016)
Thermal modifications tend to darken wood color and enhance dimensional stability, erosion resistance, weather resistance, and product value. To investigate the chemical characteristics of VOCs influenced by the heat treatment process, air-dried popl
Externí odkaz:
https://doaj.org/article/85c9fc2cf8ed4e64a9bfdc03149469bf
Publikováno v:
Forests, Vol 10, Iss 11, p 982 (2019)
In continuation of our former study on a novel combined treatment of nitrogen−phosphorus fire retardant and thermomechanical densification on wood, this study focuses on the dynamic wettability and the bonding strength. The contact angle was measur
Externí odkaz:
https://doaj.org/article/de95f67a5667403f955b829895b71baf
Publikováno v:
Forests, Vol 10, Iss 11, p 955 (2019)
To enhance compression stability and fire retardancy of densified wood, a new modification method i.e., combined nitrogen−phosphorus (NP) fire retardant pre-impregnation with surface thermo-mechanical densification is used to fabricate a certain th
Externí odkaz:
https://doaj.org/article/ba55f3d4f15243b9bd9d1f00447070d1