Guide: Singapore researchers have successfully turned waste paper into a multi-functional material. This new fiber aerogel is non-toxic, ultra-light, flexible, very strong and waterproof, and can be used in oil spill cleaning, insulation and packaging.
The research team led by Duong HaiMinh, assistant professor of mechanical engineering at the National University of Singapore's School of Engineering, successfully converted waste paper into green fiber aerogels. This new fiber aerogel is non-toxic, ultra-light, flexible, very strong and waterproof, and can be used in oil spill cleaning, insulation and packaging, as well as coating materials for drug delivery and various biomedical applications. Smart Materials.
The research team also succeeded in converting waste paper into aerogels to become more environmentally friendly. The manufacturing process consumes 70% less energy, produces less water and gas emissions, uses less dioxin in the chlorine bleaching process, and is faster – the entire process takes only three days.
This new fiber aerogel has an ultra-high oil absorption capacity. The aerogel is a water repellent with methyltrimethoxysilane (MTMS) coating. The amount of oil absorption (excluding water) is 90 times the dry weight and four times the efficiency of commercial oil absorbing agents. In addition, they can recover more than 99% of the absorbed crude oil by extrusion.
The new fiber aerogel also has an important use as a building material for the building. The fiber aerogel's water-repellent properties allow it to be used in dry and rainy weather, and its structure can remain stable for about six months in tropical climates. This fiber aerogel is very tough and increases building strength. In addition, these aerogels are ultra-light and thin, reducing the thickness of the wall and increasing the space in the building.
These new fiber aerogels developed by the NUS Engineering School team may also bring changes to the packaging industry. Environmentally friendly biodegradable aerogel foams and advanced fiber aerogel nanosheets may replace plastic packaging materials such as bubble pads.
Biodegradable aerogels have a large surface area and high porosity, and can also be used as coating materials for drug delivery as well as smart materials.
The research team also discovered a way to extend the load-bearing capacity of fiber aerogels: injecting fiber aerogel fibers into metal nanoparticle solutions. The fiber aerogel is then knocked out to remove most of the air, producing a magnetic film (loading capacity of more than 28 tons per square centimeter).
The methyl aluminosilane-coated fiber aerogel has water absorption, so it can absorb and retain a large amount of polar fluids such as water and alcohol. Therefore, they can be used for products such as baby diapers and sanitary napkins.
In addition, compressed fiber aerogels can be used to treat fatal wounds such as gunshot wounds, stab wounds, etc. by inserting them into the wound. The sponge expands within the wound, creating pressure to stop bleeding in 20 seconds or less and preventing fatal massive bleeding, which greatly improves survival.
The team has submitted applications for inventions in the US, China, India and Southeast Asia.
The research team led by Duong HaiMinh, assistant professor of mechanical engineering at the National University of Singapore's School of Engineering, successfully converted waste paper into green fiber aerogels. This new fiber aerogel is non-toxic, ultra-light, flexible, very strong and waterproof, and can be used in oil spill cleaning, insulation and packaging, as well as coating materials for drug delivery and various biomedical applications. Smart Materials.
The research team also succeeded in converting waste paper into aerogels to become more environmentally friendly. The manufacturing process consumes 70% less energy, produces less water and gas emissions, uses less dioxin in the chlorine bleaching process, and is faster – the entire process takes only three days.
This new fiber aerogel has an ultra-high oil absorption capacity. The aerogel is a water repellent with methyltrimethoxysilane (MTMS) coating. The amount of oil absorption (excluding water) is 90 times the dry weight and four times the efficiency of commercial oil absorbing agents. In addition, they can recover more than 99% of the absorbed crude oil by extrusion.
The new fiber aerogel also has an important use as a building material for the building. The fiber aerogel's water-repellent properties allow it to be used in dry and rainy weather, and its structure can remain stable for about six months in tropical climates. This fiber aerogel is very tough and increases building strength. In addition, these aerogels are ultra-light and thin, reducing the thickness of the wall and increasing the space in the building.
These new fiber aerogels developed by the NUS Engineering School team may also bring changes to the packaging industry. Environmentally friendly biodegradable aerogel foams and advanced fiber aerogel nanosheets may replace plastic packaging materials such as bubble pads.
Biodegradable aerogels have a large surface area and high porosity, and can also be used as coating materials for drug delivery as well as smart materials.
The research team also discovered a way to extend the load-bearing capacity of fiber aerogels: injecting fiber aerogel fibers into metal nanoparticle solutions. The fiber aerogel is then knocked out to remove most of the air, producing a magnetic film (loading capacity of more than 28 tons per square centimeter).
The methyl aluminosilane-coated fiber aerogel has water absorption, so it can absorb and retain a large amount of polar fluids such as water and alcohol. Therefore, they can be used for products such as baby diapers and sanitary napkins.
In addition, compressed fiber aerogels can be used to treat fatal wounds such as gunshot wounds, stab wounds, etc. by inserting them into the wound. The sponge expands within the wound, creating pressure to stop bleeding in 20 seconds or less and preventing fatal massive bleeding, which greatly improves survival.
The team has submitted applications for inventions in the US, China, India and Southeast Asia.
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