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Textbook research included! - The 5th anniversary of the 50-year limit test: The first cross-border fusion of materials and curt

Release time:
2017/10/10
Review:
On September 26th, 2017, the 5th Anniversary of the 50th Anniversary of Silicone Sealant, an international seminar on the durability of polymer sealants for building seals, was held in Guangzhou Hilton Hotel.
 
The seminar was hosted by Guangzhou Synthetic Materials Research Institute Co., Ltd. and organized by Guangzhou Baiyun Chemical Industry Co., Ltd. The top domestic materials and curtain wall experts attended the seminar.
 
Guests
 
 
High-level seminars on the integration of materials and curtain walls for the first time
 
The seminar was chaired by Xie Yufang, Director of the Institute of Aging, Guangzhou Institute of Synthetic Materials.
 
 
As Director Xie Yufang said: The seminar is the first high-level seminar for domestic and even the world's first material and curtain wall industry. We gathered here to explore the 50-year limit test, which reflects the scientific attitude of the researchers who are brave to explore and persevere. We also hope that through continuous scientific exploration, we can provide scientific, reliable basis for the industry, national, and international standards and realize the “curtain wall”. The original intention of a safer, better life.
 
Bai Fan, President of the Guangzhou Institute of Synthetic Materials, and Ming Mingsong, General Manager of Baiyun Chemical Co., Ltd. delivered speeches.
 
 
President Bai Fan said: This is a great era. The great era requires more conscience and responsible business. We should not rigidly adhere to short-term interests, but should pay attention to scientific research and innovation, attach importance to responsibility, and use innovation, responsibility, perseverance, and courage to support the flourishing of an industry, a market, and even a society. This is true for Baiyun Chemicals. This is also true of the Guangzhou Institute of Synthetic Materials. We are gathered here today and we hope to use the light of scientific research to illuminate the future development.
 
 
Zhai Mingsong, general manager, said in his speech: "The bench is rather cold for ten years, and the article doesn't write a blank sentence." The charm of science lies in the exploration of the unknown. The core of the company lies in creating markets. Baiyun Chemical is willing to work with all experts to work hard together on this long road, with tenacious perseverance, rigorous attitude, and mutual assistance. We will work together to explore the glory of wisdom, for silicone sealants and polymers. Material durability research makes its own contribution! To realize the company's strategic goal of "to be a leader in the field of new chemical materials" and to practice the corporate mission of "dedicating the best products to human beings", and to move toward becoming a great company!
 
During the seminar, various experts made wonderful topic reports.
 
 
Deputy Director and Senior Engineer at the professor level of Guangzhou Synthetic Materials Research Institute Co., Ltd. Yang Yunong
 
Speech topic: "Safety and Reliability of Polymer Materials"
 
 
  Expert of Aluminum Doors and Windows Curtain Wall Committee of China Construction Metal Structure Association, Technical Director and Senior Engineer Zhang Guanqi of Guangzhou Baiyun Chemical Industry Co., Ltd.
 
Speech Topic: "Analysis on Results of 50-year Natural Exposure Test of Silicone Structural Sealants for 5 Years"
 
 
  United States Q-LAB China Regional Manager Lou Weilong
 
Speech topic: "Progress in the durability test of polymer materials for construction seals"
 
 
  Associate Dean, Professor and Ph.D. Tutor, School of Materials Science and Engineering, South China University of Technology Zeng Xingrong
 
Speech topic: "The Aging and Anti-aging of Rubber Building Materials"
 
 
  Guangzhou Baiyun Chemical Industry Co., Ltd. Technical Department Manager, Senior Engineer Jiang Jinbo
 
Speech topic: "Study on the State of Adhesion and Sealing Materials for Curtain Walls for 20 Years in Service"
 
 
  Yi Jun, Senior Engineer, Guangzhou Synthetic Materials Research Institute Co., Ltd.
 
Speech topic: "Accelerated Aging Test of Building Sealant"
 
 50-year limit test 5th anniversary results summary
 
 
  All existing artificial accelerated aging methods cannot repeat the aging of the structural adhesive during the application of the actual curtain wall. Therefore, it is of great significance to carry out the natural exposure test of the structural adhesive.
 
Baiyue Chemicals extended the natural rubber exposure test of structural rubber to two test sites with international benchmarks in the United States. It can not only obtain data on the durability of structural adhesives comparable to other international brands, but also is a strategy for building international sealant leaders. The move has very important significance for the approval of international customers for its products.
 
At the seminar, Vice President Yang Yuong, together with the 50-year limit test five-year test data, the keynote speakers' theme report and expert discussions, gave a detailed summary of the meeting:
 
(1) The durability of silicone materials is the best among polymer materials;
 
(2) From the results of the continuous monitoring experiment after the 5th anniversary of exposure to different branded products of the sample, see:
 
The quality of domestic sealant products varies greatly. Under the extreme exposure, with the passage of time, many sealant products conforming to the current regulatory standards have also experienced varying degrees of problems, creating a number of safety hazards for building curtain walls.
 
Throughout the five-year exposure test data, only high quality, good performance silicone sealants can achieve excellent aging resistance.
 
Practice is the sole criterion for testing truth. Therefore, the formulation of standards in the industry should also advance with the times and be updated dynamically.
 
(3) Baiyin Chemical's series of products are trustworthy through the test results of the sealant products exposed by Baiyun Chemical's 20-year exposure to the wall and test pieces placed on the scenes of two major explosions in Guangzhou and Turpan.
 
Vice President Yang Yuong also sincerely hopes that Baiyun Chemical, as a leader in the industry, can give more play to the social responsibility of leading companies, continue to carry out technological innovation, and continue to contribute to the healthy development of the industry.
 
"Research into textbooks"
 
- Experts highly praised the 50-year limit test
 
During the discussion session, the experts highly evaluated the 50-year limit test and provided many opinions and suggestions on the improvement and improvement of the test.
 
At the same time, experts in materials and curtain wall areas have also conducted in-depth exchanges and raised more expectations for the future development of building polymer materials.
 
 
 
 Gu Taichang:
 
The building is getting higher and higher, the cost of curtain wall maintenance is getting higher and higher; the popularity of prefabricated buildings, the integration of indoor and outdoor use years; the trend of the industry, etc. all make the durability of materials increasingly prominent, and hope that the industry will achieve more outstanding results. Can be applied to the construction field.
 
Zhao Xian:
 
The result of 20 years of exposure to a solid curtain wall has given me a lot of inspiration. It shows that the product is guaranteed and rest assured!
 
The 50-year limit test, I witnessed in Turpan 5 years ago. In the past 5 years, there has been no change in product performance. Rest assured!
 
10 years ago, I participated in the Guangzhou West Tower using white glue, 10 years later is still intact, rest assured! This also provided us with full confidence in our follow-up to the 1007-meter Saudi Kings Tower!
 
Zhang Mingqiu:
 
At the basic research level, the 50-year limit test is a textbook study;
 
From a practical point of view, it is the true embodiment of the spirit of artisans;
 
At the same time, Turfan and Guangzhou, as the explosion fields, are the two starting points of the ancient Silk Road and the Maritime Silk Road, respectively, and coincide with the national “One Belt and One Road”!
 
Chen Mingcai:
 
The service life of the building is 50 years. How many years can the sealant be used? From the material point of view, this test is particularly important.
 
It is hoped that the test will be combined with practical applications to add more indicators of the impact of adverse urban environments (such as acid rain) on sealants.
 
Mai Cancheng:
 
Twenty years of actual application data have been tracked, and we must make good use of it; at the same time, we combine natural exposure data and artificially accelerated aging data to further judge the actual application age.
 
The experiment can further focus on typical climate regions in the east, west, south, and north, and is more instructive.
 
Du Jiyu:
 
How many years can structural sealant be used? This is a "world proposition." It is difficult, but it needs someone to do it.
 
As a curtain wall consultant, we often say to the owner: 100% believe that white clouds glue, 100% believe that the domestic big brand products!
 
Fang Hao:
 
At one time, we were more concerned about the use of the sealant, the use of the size, and contempt for performance. Nowadays, Zhejiang will usher in the safety screening of existing curtain walls. How to determine the problem of structural sealant failure is before us. This requires data support in the field of materials.
 
Baiyun Chemical has a large market share in Zhejiang, and is also a participating unit in the safety identification of curtain walls in Zhejiang. The association hopes to join hands with leading companies represented by Baiyun Chemical to make more contributions to the safety industry.
 
Yang Yunong:
 
Baiyun Chemical is amazing and is willing to use 50 years to solve the reliability problem of polymer materials!
 
 
 
 After 5 years of hard work, the 50-year limit test of sealant has become the organic combination of scientific exploration and enterprise creation, and collaboration between cross-border experts and cross-country experiments! This seminar will become a milestone on the long road of 50-year limit testing, providing more direction for this long-term research, and pointing out a broader space for the development of theoretical data on how to better serve practical applications.
 
Reading 50-year limit test
 
 4 exposure fields
 
* Guangzhou Expo Site: typical southern subtropical hot and humid climatic characteristics, warm and moist, full of light and heat
 
* Turok Expo Site: The largest natural heat exposure and natural exposure test site in China
 
* Florida Fields in the United States: The World's Largest High Temperature and Humidity Outdoor Weathering Test Center
 
* Arizona Arizona: The World's Largest Desert Exposure Center
 
5 solid curtain walls:
 
*Baiyun Chemical Company, 1997 -2047
 
* Two shots of Turpan expo field 2014 - 2064
 
* Two shots of Guangzhou exposure field 2016 - 2066
 
1 project team
 
 The project team of "Study on Accumulation and Anti-aging of Natural Exposure of Silicone Structural Sealants" is composed of the core technical backbones of Baiyun Chemical and the Institute of Aging. Based on the 50-year limit test, the project team is devoted to the study of the aging mechanism of new silicone sealants, the study of accelerated aging methods and the research of anti-aging technologies.
 
4 types of tests
 
* Natural sun exposure test for structural sealants: Examining the change in the adhesive properties of the structural adhesive over time under different circumstances
 
* Structural Sealant Performance Change Causes - Molecular Structure Analysis
 
* Research on Artificial Accelerated Aging Method of Structural Sealant: Study on the Effect of Artificial Accelerating Conditions of Structural Adhesive on Ozone, High Temperature, Heat, Water, Ultraviolet, Salt Spray, Acid Fog, Mechanical Fatigue, Thermal-mechanical Stress Cycle, etc.
 
* Applicability of structural sealants at ultra-low temperatures
 
8 subtopics:
 
* Accumulation of atmospheric aging data of silicone structural sealant
 
* Trend of changes in atmospheric aging properties of silicone structural sealants
 
* Analysis of atmospheric aging principle of silicone structural sealant
 
* Artificial accelerated aging method of silicone structural sealant related to atmospheric aging
 
* Artificial aging and mechanism analysis
 
* Anti-aging properties of oil-filled sealant
 
* Silicone sealant service life prediction method
 
* Change trend and cause analysis of interface adhesion
 
5020 test strips:
 
* 3,600 H-test pieces
 
* 1200 dumbbells
 
* 220 hardness tablets