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The Tokyo Olympics will start as scheduled on July 23, 2021
.
1.
Polyurethane
1.
Polyurethane material weightlifting equipment
In 2019, the International Weightlifting Federation and Zhangkong Barbell Manufacturing Co.
, Ltd.
, Botou City, Hebei Province signed a contract for the sole supplier of weightlifting equipment for the Tokyo Olympics.
Zhangkong Barbell received the "admission ticket" to the 2020 Tokyo Olympics
.
According to the relevant person in charge, Zhangkong Barbell Company eliminated the rubber material of the barbell sheet and chose the polyurethane material with tear resistance, long life and beautiful appearance
.
2.
Polyurethane track
In 1963, the American 3M company first broke through the technical barrier and laid the track and field track
.
2.
Polycarbonate (PC)
1.
PC sun panel
The main venue for the Tokyo Olympics - the New National Gymnasium
.
From a material point of view, the unique and feathery undulating roof and the pillars that are equally spaced around the stadium are all-steel structures, while some of the stadium awnings are made of sun panels
.
The material of the sunshade roof is made of PC sun panels, in order to provide a sheltered venue for the people watching the ceremony in the stands
.
At the same time, the gym chooses materials such as PC sun panels, which has the following advantages:
(1) The connection method of the PC solar panel is tight and reliable, and it is not easy to cause leakage, which can fully meet the basic functional requirements of the project for the roof, and the solar panel is easy to process and construct, which is conducive to shortening the construction period and reducing the cost;
(2) The cold bending characteristics of the solar panel are very helpful to the shaping of the roof curve;
(3) The sun panel can be recycled and reused, and it is an excellent environmental protection material
.
On the whole, the application of the sun panel meets the high-performance requirements of the gymnasium for thermal insulation and sealing of the enclosure structure, shields the huge indoor steel structural components, and achieves the perfect unity of specific use requirements and economy
.
3.
New heat dissipation materials
As a heatstroke prevention and cooling measure for the 2020 Tokyo Olympic and Paralympic Games, special road surfaces with cooling effects will be fully adopted on the roads involved in the marathon and race walking events
.
The special road surface is coated with thermal insulation materials that reflect infrared rays on the road surface
.
Former marathon Olympian Toshihiko Seko and others ran a test run on a national highway in Shibuya, Tokyo in August.
It is reported that the road temperature is 5 to 6 degrees lower than that of ordinary roads
.
4.
Recycled plastics
1.
The podium is made of recycled plastic
Winners of the Tokyo Olympic and Paralympic Games will be on special podiums, as these are made from 24.
5 tonnes of discarded household plastic
.
The OCOG has collected nearly 400,000 laundry detergent bottles at major retailers and schools across Japan
.
These household plastics are recycled into filaments that are 3D printed to make 98 Olympic podiums
.
It is said that this is the first time in the history of the Olympic and Paralympic Games that the public has participated in collecting waste plastic to make a podium
.
2.
Eco-friendly beds and mattresses
The Tokyo Olympics is the main brand of environmental protection, and many facilities use environmentally friendly materials
.
The 26,000 beds in the Olympic Village are all made of cardboard, and the bedding is almost all made of recycled materials, which are put together like big "cardboard boxes", which is the first time in the history of the Olympic Games
.
In the athlete's bedroom, the bed frame made of cardboard can hold about 200 kilograms
.
The material of the mattress is polyethylene, which is divided into three parts: shoulders, waist and legs.
The hardness can be adjusted according to the body shape to customize the best comfort for each athlete
.
3.
Recycled Plastic Torchbearer Apparel
The white T-shirt and trousers worn by the Tokyo Olympic torchbearers during the relay of the Olympic flame are made from recycled plastic bottles collected by Coca-Cola
.
Daisuke Obana, design director for the Tokyo Olympics, said that by recycling plastic soft drink bottles to make torchbearers' uniforms, the materials chosen were in line with the sustainable development goals advocated by the Olympics
.
This uniform, made of recycled plastic, is also unique in its design
.
T-shirts, shorts and trousers all have a red diagonal strap that runs from front to back
.
This diagonal belt is similar to the belt often worn by Japanese track and field relay athletes
.
This Tokyo Olympic torchbearer costume not only reflects the elements of traditional Japanese sports, but also reflects the concept of sustainable development
.
5.
Polyether polyol
In the Tokyo Olympic venues, polyether polyols (used to produce low-density to high-density foams as sealants) are used to fill the gaps between building materials and reduce the risk of deformation caused by concrete expansion at high temperatures, which can keep the stadiums safe and stable
.
6.
Adhesive
High-durability acrylic emulsion adhesive for interior wall coatings for Tokyo Olympic venues with excellent long-term durability and substrate adhesion
.
Elastomeric wall coatings, on the other hand, provide solutions for exteriors with an excellent balance of dirt resistance and mechanical properties
.
Glycol ethers are used in waterborne coating systems to meet low volatile organic compound (VOC) requirements while optimizing coating stability and performance
.
Seven, liquid crystal polymer LCP
The Tokyo Olympics has greatly promoted the large-scale commercialization of 5G in Japan.
NTT DOCOMO and Intel have reached a cooperation to jointly build the Tokyo Olympics into a new testing ground for 5G technology.
A number of suppliers have formed partnerships and conducted a series of 5G trials
.
National coverage is planned by 2024
.
With the rise of high-frequency and high-speed applications in the 5G era, LCP will be the mainstream material for antennas and will be widely used in both base stations and mobile phones in the future
.
8.
Other materials
1.
composite material
For those watching from the comfort of their homes, composite materials for telecommunications lines can seamlessly transmit the atmosphere of the scene to the global digital arena
.
This wired solution helps ensure that transmission speeds and signals in the stadium are as efficient and reliable as possible, reducing the risk of signal loss
.
AXELERON™ compounds, in some cases also used with ENGAGE™ polyolefin elastomers, act as insulation for 70 kilometers of low- and medium-voltage cables, providing reliable power for the entire site
.
2.
Polyester
The medal ribbons for the Tokyo Olympics use chemically recycled polyester fibers, and the use of this recycled polyester fiber reduces more carbon dioxide emissions during the manufacturing process
.
3.
Materials for sportswear
At the Tokyo Olympics, Chinese athletes will walk on the podium in a new generation of "champion dragon suits"
.
The "Champion Dragon Suit" designed by Anta this time combines traditional Chinese cultural heritage, beauty and high technology
.
According to reports, the fabric of the "Champion Dragon Suit" also contains a large number of technological elements, which are spliced and fused by a variety of functional materials
.
The award-winning shoes use two top technologies, Nitro Speed nitrogen supercritical technology materials and Smart Sam intelligent molecular shock-absorbing technology
.
The award-winning shoe design team made reference to the Han Dynasty brocade cultural relic "Five Stars Out of the East Benefit China", and used patterns such as cloud patterns, auspicious animals, sun and moon in the brocade in the flying weave pattern of the upper, which means that Olympic athletes can create good results in the Olympic Games.
.
In addition, the weightlifting shoes are made of super wear-resistant fiber, which is 2.
5 times that of ordinary materials and can withstand a weight of more than 1 ton; the wrestling suit uses the anti-grab technology of the fabric, which greatly reduces the chance of being grasped by the opponent; the gym suit is 3D Three-dimensional tailoring to achieve an all-round fit to the human body, avoiding the impact of wind resistance on high-intensity aerial movements
.
Finally, I wish the athletes of our Chinese team to face challenges in the Olympics, strive for good results, and win glory for the country
.