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A Will Bing Dundun's ice clothes turn yellow? What new chemical materials are hidden in the Beijing Winter Olympics
2022-02-15

To say what is the most popular in this year's Beijing Winter Olympics, it must be the mascots Bing Dun Dun and Xue Rong Rong. The naive panda Bing Dun Dun in a space suit and the lantern image Xue Rong with distinctive Chinese cultural characteristics merged into a veritable top-notch at the Winter Olympics. The majority of netizens strongly urged the country to implement one "dun" for each family as soon as possible, and "one for each family". melt"!


What kind of miraculous material created such miraculous products as Bingdundun and Xuerongrong? According to the official flagship store of Olympic Tmall, Bingdun and Xue Rongrong are mainly made of a combination of environmentally friendly PVC, PC, ABS and acrylic polymer materials, with fine workmanship and realistic images. All of these materials have the nature of recycling and environmental protection, which is in line with the Beijing Winter Olympics Organizing Committee's concept of "green, shared, open, and clean".


Many netizens said that the silicone shell of Bing Dun Dun is easy to turn yellow, that is because the polymer material will inevitably be affected by oxygen and light during the production and use process, resulting in yellowing, fading and other aging phenomena. Transparent materials have high light transmittance, so the phenomenon of aging and yellowing will be more obvious. Despite this, it did not affect the netizens' love for Bing Dun Dun, and some netizens even said: "Like a transparent mobile phone case, it is normal to oxidize and turn yellow, and you can add a few more shells with different patterns for Bing Dun Dun to replace. Wear it." "Isn't the wealth code here, you can replace the pier shell: frosted shell, diamond-encrusted shell, gold powder shell... mobile phone shells must have piers!"


"Sustainability, Towards the Future" is a major initiative of this year's Beijing Winter Olympics. The concept of green Winter Olympics and the Winter Olympics of science and technology not only makes people look forward to this feast of ice and snow, but also makes people curious, except for the mascot Bing Dundun And the material of Xuerongrong, what novel chemical materials will appear in this year's Winter Olympics? Which industries and brands can take advantage of this sports event to soar and achieve a new leap?


1. Carbon Fiber Torch

The "flying" shape of the 2022 Beijing Winter Olympics torch swirls and rises like a fluttering ribbon, and finally appears as a flying flame, taking into account both artistic sense and stability, and full of beautiful meaning. Its material pioneered the use of "carbon fiber". The weight of carbon fiber is only about 1/4 of that of steel, but its strength is 7-9 times that of steel. The overall feeling of "Feiyang" is light and firm, and it can avoid the embarrassing situation of freezing hands in winter with metal materials. The torch shell is not only resistant to fire and high temperature, but also resistant to 10-level wind and heavy rain, which is very suitable for use in extremely cold weather. According to the torch design technicians, the use of carbon fiber and resin composite materials to make the Olympic torch is the world's first black tow processed from petroleum products. machine, weaving it into the coat of the torch.


The Beijing Winter Olympics adheres to the concept of "green Olympics", and uses clean and environmentally friendly hydrogen fuel in the choice of torch fuel. The characteristics of hydrogen fuel ensure that the torch can be used in extremely cold weather, but when hydrogen is used as fuel, the combustion temperature will be higher than 800 ℃. In order to be able to use carbon fiber composite materials for the shell of the torch, after many efforts, it took more than three months to successfully solve the application bottleneck of carbon fiber composite materials under extreme conditions. Huang Xiangyu, deputy general manager of Sinopec Shanghai Petrochemical Company, mentioned in an interview that the fire of the torch is burned from the inside, and ordinary composite materials cannot be burned in the fire. A company in Shanghai has developed a refractory resin. After repeated The test analysis and process adjustment have met the requirements of both temperature resistance and fire resistance, and finally realized the normal use of the torch shell in a hydrogen fuel environment higher than 800 ℃, and cracked the torch shell in the high temperature preparation process of 1000 ℃. Bubble, cracking and other problems.


Carbon fiber: Carbon fiber is a high-strength, high-modulus, high-performance fiber material with a carbon content of more than 90%. As a strategic new material with excellent performance, the fiber density is less than 1/4 of steel, but the strength is 7-9 times that of steel. It is now widely used in aerospace, new energy, transportation, sports and leisure and other fields.


2. Speed skating competition suit

Short track speed skating, as an official event at the Winter Olympics, has always attracted attention, and the speed skating competition suits also reflect the technological content everywhere. The speed skating competition suit will choose a rubber material that is dozens of times stronger than ordinary fibers in the thigh, which can minimize physical exertion; a synthetic fiber will be used in the right crotch, which can effectively reduce friction; To reduce air resistance, a cellular-style polyurethane material is used on the hands and feet of the speed skating suit to maximize the athlete's performance.


Polyurethane: Polyurethane refers to the polymer resin formed by the condensation polymerization of basic chemical isocyanate and polyol, and has become an indispensable material in life. The industrial chain of polyurethane materials is long. The upstream raw materials are isocyanates and polyols. Among them, isocyanates are mainly MDI, TDI and PAPI. Polyols can be divided into polyether polyols and polyester polyols. The middle reaches are primary resin products such as plastics, elastomers, adhesives, coatings, fibers, etc. These primary products can then be further processed and utilized in all aspects of life such as shoe sole industry, construction industry, furniture industry, home appliance industry, etc. The specific application forms include wall insulation Materials (rigid foam), sofa fillers (soft foam), spandex (chemical fiber), plastic track (elastomer), adhesives, coatings, etc., these constitute the terminal downstream of the polyurethane industry chain.


Analysis of relevant industries shows that the current polyurethane industry presents an overall trend of upstream oligopoly and downstream structural differentiation. The production of upstream raw materials, especially the production of isocyanates, has high technical and financial barriers, and the industry concentration is relatively high; the development of downstream industries is structurally differentiated, and CASE products (including coatings, sealants, adhesives and elastomers) and Spandex consumption has maintained a steady growth, but foamed plastics, pulp, sole solution products have entered a relatively bottleneck period.


The production and sales of polyurethane in my country has been in a state of continuous growth. In 2019, my country's polyurethane production reached 13.66 million tons, accounting for about 45% of the global total, and the consumption of polyurethane products reached 11.85 million tons. Despite the impact of the epidemic in 2020, Wanhua Chemical still has a net profit of 10.04 billion yuan, and completed a net profit of 6.57 billion yuan in the first quarter of 2021, a year-on-year increase of nearly 300% in the first quarter of 2020. It can be seen that in the polyurethane industry, the head effect is very serious. Due to the barriers of capital and technology, the entry threshold of the industry has been raised, and it has become extremely difficult for emerging companies to enter the market.


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1. Controllers of Personal Information

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2. What Personal Information About Customers Does Polynk.com Collect?

We collect your personal information in order to provide and continually improve our products and services.

Here are the types of personal information we collect:

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Why do we have a privacy policy? 

Polynk.com (“we”) care about your privacy. Therefore, we always strive to protect your personal data in the best possible way and to comply with all applicable laws and regulations for the protection of personal data. In this policy, we want to inform you about how we collect and process your personal data in accordance with the EU regulation 2016/679 (“GDPR”) to guarantee an open and transparent processing of your personal data.

Who is responsible for your personal data?

Polynk.com, no 91320481MA215T1W6Q, is responsible for the processing of your personal data. The following is Polynk.com’s contact information: Telephone number: +86 0519 87108958 Address: Room 504, No.85 Shangshang Road, Kunlun Street, Liyang City, Jiangsu Province, China, PR

What personal data do we process? 

Polynk.com process information about you when you use Polynk.com’s webpage by saving cookies on your computer. The personal data we process about you are your IP address, your preferences and your activities on our webpage. The cookies collecting information about use of our website collect information in an anonymous form, including the number of visitors to the website, which country the internet connection is from, which web browser and version is used and the title on the pages they visited. If you play a video on our webpage, YouTube might save cookies on your computer depending on your settings. Please review YouTube’s Privacy policy for further information. If you do not want YouTube to save cookies on your computer, do not play any videos on our webpage since YouTube operates these videos. When you accept cookies on your computer you will provide us with your information. If you do not want cookies to be saved on the computer, you can prevent this by not accepting cookies to be saved on your computer. Please note, that if you deny functional cookies the webpage will have limited function.

For what purpose do we process your personal data? 

We process your personal data to be able to offer a functional webpage. These functional cookies are essential for your use of the webpage’s features. We also process information about your activities on our webpage over time for non-advertising purposes such as improving the site functionality, the website experience and to improve the website. We also process your personal data to help us remember your preferences such as language or location to create a better experience when visiting the webpage. Who has access to your personal data.  As a starting point, your personal data will only be processed by Polynk.com. Our IT suppliers might get access to the personal data and other information when developing and supporting our IT system. These IT supporters only process personal data on our behalf and never on their own behalf.

On what legal ground do we process your personal data? 

The legal ground for Polynk.com’s processing of your personal data by saving cookies on your computer is Polynk.com’s legitimate interest under, under article 6.1 (f) GDPR, to process your personal data in order allow you to navigate the site, use our features and for us to remember your preferences (functional and preference cookies). Analytic cookies are processed so that we can improve the webpage’s functionality and the website experience. You can always deny these cookies if you do not want us to save these on your computer.  

For how long will we process and store your personal data? 

Your personal data will be sorted out/erased according to the following: Functional cookies will be erased when the web browser is closed. Preference cookies will be erased after 100 days. Analytic cookies will be erased after two years.  

Transfer of personal data to third countries 

As a general principle, Polynk.com only processes your personal data within the EU/EEA. If your personal data would processed outside the EU/EEA, then we will make sure that such processing is either based on a decision from the Commission establishing that the country in question ensures an adequate level of protection or appropriate safeguards that ensure that your rights are protected or based on another ground for such transfer in accordance with GDPR.

Your rights 

Right to access to your personal data 

You are entitled to request information about which personal data we process about you and how the personal data is being processed. You also have the right to request a copy of the personal data we process about you.

Right to rectification

If you consider your personal data that Polynk.com process to be inaccurate, e.g. information concerning your name or address, you have the right to get the inaccurate information corrected and to get the incomplete information completed by providing us with the correct information.

Right to erasure

You have the right to request that your personal data is erased, e.g. if the processing is no longer relevant in relation to the purpose the information was collected for or if you recall your consent to the processing and there are no other legal ground for the process.

Right to limitation of processing

You have the right to request limitation of the processing of your personal data, with the exception for storage. Limitation of processing can be requested for example if you object to the accuracy of the personal data or if you consider the processing of your personal data to be unlawful.

Right to objection  

You have the right to object at any time concerning the processing of your personal data in accordance with article 6.1 (e) or (f) (legitimate interest) GDPR, including profiling based on those provisions. Where personal data are processed for direct marketing purposes, you have the right to object at any time to processing of personal data concerning such marketing, which includes profiling to the extent that it is related to such direct marketing. 

Right to data portability 

You have the right to obtain the personal data you have provided us with in a structured, commonly used and machine-readable format and have these transmitted to another controller, provided that the process is automatized and that the process is based on a consent or an agreement.  

Changes in this policy 

Polynk.com is entitled to amend this policy at any time if it is necessary to fulfill the requirements according to applicable laws and regulations or if it is necessary due to changes in Polynk.com operations.  In such a situation, Polynk.com will provide information concerning the changes according to applicable law. Applicable information will be available in this privacy policy, on the website of Polynk.com and/or provided in other appropriate ways.

Observance of GDPR

Do not hesitate to contact Polynk.com if you, for any reason, feel unhappy about our processing of your personal data. If you would still be of the opinion that your rights, according to GDPR, have not been satisfied you have the right to send a complaint to the regulatory authority. You will find more information concerning this on www.datainspektionen.se. 

Our contact details 

If you would like to contact us concerning our processing of your personal data or if you have questions concerning this privacy policy, you are welcome to contact us on gfy@polynk.com. Copyright (©) 2021 Polynk.com