相关实验视频
Updated: Jun 3, 2025

08:08
Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
13.2K
一种完全绿色,可持续的基于纸的包装材料,具有高强度,耐水性和绝热性
Yongsheng Gu1, Fengbiao Yao1,2, Ruizhi Gong1
1Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, College of Forestry, Shandong Agricultural University, Tai'an 271018, China.
Polymers
|January 11, 2025
概括
研究人员通过混合草纳米纤维素和软木开发了一种新的可持续包装材料. 这种环保材料为包装应用提供了增强的强度,绝热性和防水性.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
- 生物质利用生物质的利用
背景情况:
- 纸质包装是环保的,但缺乏机械强度和功能.
- 当前的包装解决方案在平衡性能和环境影响方面面临挑战.
研究的目的:
- 从生物质开发一种新的,高性能,可持续的包装材料.
- 结合了草纳米纤维素和软木的特性,以提高功能.
主要方法:
- 将草纳米纤维素 (SNC) 与树皮 (软木) 混合在一起.
- 描述复合材料的机械强度,热绝缘和水蒸气传导率 (WVTR).
主要成果:
- 开发的材料 (SNC-C) 实现了60.93MPa的抗拉强度.
- 由于软木的结构,显示了降低的传热速率 (2.90-3.01 °C/cm·min)) .
- 由于软木的细胞结构和上层蛋白质,其WVTR低至400.30g/{m2·24h).
结论:
- 纯生物质SNC-C材料为包装提供了一个有希望的,多功能和可持续的替代品.
- 这种方法利用天然材料来克服传统纸包装的局限性.
- 该材料具有较低的环境足迹,具有出色的性能特征.
更多相关视频
相关概念视频
Thermal Insulation in Masonry Walls
104
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....
104
Wood Panel Products
70
Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
70
Design Example: Sustainability in Concrete Building
155
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
155
Wood Products
79
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
79

