侵襲性植物 (日本ノットウィード) を使って,ミセリウムベースの保温複合材料を製造する
Kobe Deckx1, Joris Verhelst1, François Rineau1
1Environmental Biology, Centre for Environmental Sciences, Hasselt University, 3590 Diepenbeek, Belgium.
Materials (Basel, Switzerland)
|February 13, 2026
まとめ
侵襲的な日本ノットウィードから得られたミセリウムベースの複合材料 (MBC) は,大麻に匹敵する耐熱性を示しています. しかし,より高い密度と水吸収により,保温用途の有効性が低下する.
科学分野:
- 材料科学 材料科学とは
- バイオマテリアルエンジニアリング
- 持続可能な建設 持続可能な建設
背景:
- ミセリウムベースの複合材料 (MBCs) は,従来の保温材に持続可能な代替品を提供します.
- 大麻はMBCにとって一般的な原料ですが,調達に問題があります.
- 侵襲的な植物種は,バイオマテリアル生産のための未充分な資源を表しています.
研究 の 目的:
- ヘンプと侵襲的な日本ノットウィードから作られたMBCの物理的および熱的性質を比較するために.
- 潜在的に持続可能な保温材料として,日本のノットウィード由来MBCを評価する.
- ポリイソシアヌラート (PIR) 断熱剤に対する性能を比較するために.
主な方法:
- MBCの製造は,ヘンプシードと日本のノットウィードバイオマスを使用します.
- 社内で開発した方法を使用して,熱伝導性の特徴づけ.
- 大量密度や水吸収を含む物理的性質の評価.
- ポリイソシアヌラート (PIR) 断熱規格との比較.
主要な成果:
- 日本製のノットウェッドのMBCは,ヘンプベースのMBCとPIRに匹敵する熱伝導性を示した.
- 日本のノットウィードMBCは,より高い散発密度 (166対128kg/m3) を示した.
- 日本のノットウエードMBCでは,水吸収が著しく高いことが観察されました (7.5%対3.5%の体積吸収量).
結論:
- 日本ノットウィードは,熱効率の良いMBCの有望な原料ですが,その非最適の物理的性質は,絶熱のためのその生存可能性を制限します.
- 実践的な応用のために,ノットウィードベースのMBCの物理的特性を改善するためにさらなる研究が必要です.
- 侵襲性種の管理は,持続可能な材料開発と統合することができます.
関連する概念動画
01:22Thermal Insulation in Masonry Walls
567
In hot, dry climates, the thermal mass of masonry walls can be beneficial, absorbing heat during the day and releasing it at night, thereby stabilizing indoor temperatures. However, in most other climates, additional insulation is necessary to enhance thermal resistance.
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
567
01:19Conductors and Insulators
10.9K
Some materials may easily let electrical charges pass through them, while others obstruct their flow. The former are called conductors and the latter insulators. The atomic structures of materials determine whether they are conductors or insulators of electricity.
Most metals are conductors. Their atomic configuration is such that one or more electron(s) are loosely bound to the nucleus in each atom. Thus, a sea of mobile electrons are available in them, known as free electrons. Their easy...
Most metals are conductors. Their atomic configuration is such that one or more electron(s) are loosely bound to the nucleus in each atom. Thus, a sea of mobile electrons are available in them, known as free electrons. Their easy...
10.9K
01:23Insulation Coordination
577
Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times...
577
02:43Plant Cell Wall
60.7K
The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
60.7K
01:17Solution Composition During Acid/Base Titrations
1.6K
The titration of a weak acid with a strong base results in the formation of water and the conjugate base of the acid. For instance, titrating acetic acid with sodium hydroxide leads to the formation of water and sodium acetate. A solution of acetic acid and sodium acetate constitutes a buffer whose relative concentration at different stages of the titration is indicated by the α values, which represent percentages of the weak acid and its conjugate base.
The α0 and α1 values...
The α0 and α1 values...
1.6K
03:35Classifying Matter by Composition
91.7K
Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or...
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or...
91.7K