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    Home > Biochemistry News > Biotechnology News > Lina, a "green, all-natural" car made from linen and beets.

    Lina, a "green, all-natural" car made from linen and beets.

    • Last Update: 2020-08-22
    • Source: Internet
    • Author: User
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    If a car is made of linen and beets, do you dare drive it? Don't think it's a night out, the bio-automotive team at Eindhoven Polytechnic University in the Netherlands recently built a "green, pure natural" car called Lina, which uses bio-based composites made of linen and beets in addition to wheels and suspension systems, with the greatest feature being biodegradable and lightweight.
    but wait, linen and beets? Bio-based composites? Can we replace steel and aluminum for making cars? It's environmentally friendly enough for sure, but is it really necessary to use it in cars? Is it safe? Can you drive it? The first thing that mice love must be clear is that bio-based materials are not the same as biodegradable materials commonly used in food bags and bags.
    For this, automotive engineering expert Ma Fangwu's description is easy to understand: "If you look at one coordinate, bio-based materials and petroleum-based materials are the coordinates of the upper and lower ends, biodegradable and non-degradable are horizontal coordinates at both ends."
    " Lina car is desirable in the first quadrant, i.e. bio-based plus biodegradable.
    so, what exactly is a bio-based material? Academically, this is a material that uses renewable natural resources as raw materials and is macro-combined into new forms of material through biological, chemical and physical methods.
    in other words, nature's flowers, flowers, food and drink, may one day appear in your life with a different look.
    because natural environmental protection, but also with petrochemical materials have many correlations, is one of the important sources of materials in the future, so in recent years, countries around the world are using various means to promote the development of bio-based materials.
    is nothing new when it's used in cars.
    when Mercedes-Benz and Daimler first started building cars more than 100 years ago, wood was once the darling of the automotive materials world.
    , automotive materials are developing in the exploration, the use of wood is more direct.
    , at that time in people's eyes, high-end wood, is not a new form of material, but can be said to be the starting point for the application of automotive biomass.
    , ford's founder, has also tried to expand into the field, using soybeans to make biofibre composites for use in his own cars.
    but after the outbreak of World War II, all research was interrupted, and plastic materials synthesized by petrochemical technology took control of the market for decades, and "soybeans" as raw materials for automobiles were gradually phased out.
    interestingly, Ford's sense of materials has not diminished in the context of the growing depletion of oil.
    earlier this year, Ford said it was trying to reinforce plastic parts with bamboo in China.
    other countries, the new materials they've used include coconut, tequila, tomato skins... No wonder there are "eat melon masses" after hearing seriously "worried" about whether the car will be eaten, pandas will not chase the car run and other issues.
    it's not all a joke, because Toyota's owners have sparked a lawsuit by claiming that the car's wires were bitten by rats.
    the troubled wire, the outer multen is made from soybeans, and someone teases it, and that's the rat's favorite flavor.
    , use, recycling in addition to the material itself environmental protection, some enterprises to use bio-based materials for automotive one of the main reasons for lightweight.
    bio-based materials are relatively lighter than conventional vehicle materials.
    many companies now choose to use aluminum and carbon fiber materials instead of steel to produce lighter cars, but the energy used in processing has multiplied.
    , the bio-based material becomes a lightweight personality choice for cars.
    because the lighter the car, the lower the energy consumption, lightweight directly points to a more far-reaching environmental protection ... Based on these characteristics, bio-based materials can see the future because of the environmental pollution caused by the manufacture of automobiles themselves using traditional materials, which continues from production, use to recycling.
    in the production process, stamping, welding, coating, assembly, inspection and vehicle will have exhaust gas, waste water, waste slag production.
    especially the coating steps, the vast majority of pollutants emitted during the automotive manufacturing process originate here.
    the use of the link is more obvious.
    GREET model of Agang Laboratory in the United States shows that the automobile use link is the main body of pollutant emissions throughout the life cycle of the automobile.
    fuel, lubricants, battery electrolyte, etc. and fuel combustion are sources of pollution.
    the final recycling link to do a good job is not easy, all kinds of materials recyclable utilization rate and re-utilization rate need to ensure that the standard.
    China's Automotive Product Recycling Technology Policy stipulates that from 2017, the recycling rate of all domestic and imported vehicles will reach about 95%, of which the re-utilization rate of materials will not be less than 85%.
    but in fact, the car "solid waste treatment" problem has not been completely resolved, to "black pollution" waste tires, for example, the annual production volume is huge, how to effectively recycle is still a difficult problem.
    even in Europe, the EU and its member states have a basically complete recycling system, but still put the development of new materials in parallel with the improvement of the system.
    , however, bio-based vehicles are only a stage to look at the future.
    Netherlands", "degradable car" Lina can do almost the entire vehicle using bio-based materials, behind the relatively mature EU biodegradable polymer composite technology, but from the automotive industry as a whole, the current application of this material is still mostly concentrated in parts, there is no larger area of promotion.
    Xinguang, a veteran auto analyst who has turned into a shackle, told Caijing National Weekly that promoting cars like Lina requires solving safety, durability, economy and craftsmanship problems.
    fact, the head of the bio-automotive team at Einhoven University of Technology admits that Lina has not passed the crash test and that its body material does not bend like metal when it collides, but breaks like glass.
    is undoubtedly a hard injury to safety.
    Jia Xinguang believes that to make this new material car meet and adapt to local safety regulations and standards is also difficult, need to correct and improve technology.
    for durability depends on whether it can be used in a variety of harsh conditions for a decade or more.
    if it can meet the standards, the economy of the car will also increase.
    economy here means that new bio-based materials are more cost-effective and competitive than existing or traditional materials.
    , to solve the problem of processing, that is, processability.
    for Lina, a bio-based composite material, the use of 3D printing technology for production and processing, not only fast, but also to ensure the stiffness and strength of components.
    closer example is that Michelin has designed a tire that belongs to the future, with the main features: coral-like, biodegradable materials, and 3D intelligent printing technology.
    , however, it is still lying in the cocoon of concepts, and it is not clear to itself the final shape of the future.
    , in fact, in the same cocoon, how can we not include bio-based, biodegradable these new materials? It is true that some manufacturers for the car energy saving, environmental protection, lightweight to make active exploration behavior is worthy of recognition, to say, but also to drive the transformation of traditional industries.
    but if the concept of environmental protection is only the concept of manufacturing, not heavy quality and safety, lost innovation and momentum, warm cocoon will also become a shackle.
    .
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