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China Coatings Network
News: In order to prevent long-term immersion in seawater ships from attachment pollution and seawater corrosion, the current common method is to apply anti-fouling
coatings
on the bottom of the ship, to put on a "protective coat" for ships, but traditional anti-fouling coatings containing DDT (commonly known as DDDT) and other harmful compounds will cause damage to the marine environment. Recently, at a seminar on the development of marine new materials industry held in Xiangshan County, Zhejiang Province, experts called on China to speed up the phase-out of anti-fouling coatings containing DDT and promote the use of environmentally friendly non-toxic long-lasting marine anti-fouling coatings.
DDT was one of the first 12 chemicals to be controlled under the Stockholm Convention on POPs. It is reported that the Ministry of Environmental Protection and other 10 ministries from 2009 to prohibit the production, circulation and import and export of DDT in China. Since 2011, the China Maritime Administration has banned ships from using anti-fouling coating materials containing machine tin. However, it is still used by some small enterprises for the production of anti-fouling coatings in ships, which will cause the concentration of DDT in sediments off the coast of China to exceed the standard.
according to experts, the current anti-fouling coating containing DDT is mainly used in China's small and medium-sized fishing vessels, "therefore, for our country, the elimination of DDT anti-fouling paint is the most urgent task." Xu Jian, an expert on the National High-Tech Research and Development Program (863), a researcher and doctoral tutor at the Institute of Chemistry of the Chinese Academy of Sciences, said.
is the country's top five fishing counties, with various types of fishing vessels 3263, and more than 100 cargo ships. In addition, the county has 25 new materials industry enterprises, 20 marine life enterprises, in 2014 the output value reached 1 billion yuan.
located in the local Ningbo Haiteng New Materials Co. , Ltd. is an environmentally friendly anti-fouling coating enterprises, with an annual output of 25,000 tons of coating materials production base, invention patents through the Ministry of Environmental Protection anti-fouling paint products environmental risk assessment and achieved scientific and technological achievements evaluation certificate.
Wang Zhongshan, general manager of Ningbo Haiteng New Materials Co., Ltd., said that the company developed environmentally friendly anti-fouling coatings without machine tin and DDT, the continuous anti-fouling estocy is also nearly double that of similar products in China, the price is about 70% of similar products abroad. Since 2010, a variety of environmentally friendly anti-fouling coating materials for more than 100 fishing vessels in different sea areas have been tested.
according to the introduction, the anti-fouling coating can effectively eliminate marine life adsorption under the ship, maximize the speed of the ship, reduce energy consumption, in the effective protection of the marine environment at the same time, can greatly reduce the maintenance costs of fishing vessels.
Dr. Gui Taijiang, chief engineer of Qingdao Marine Chemical Research Institute and deputy director of the National Key Laboratory of Marine Coatings, said that the use of environmentally friendly anti-fouling coating materials is an urgent need to achieve energy conservation and emission reduction, as well as an urgent need to develop the marine economy, and an urgent need to protect the marine ecological environment and human health. Therefore, biodegradable marine anti-fouling coatings will become the leading direction of marine anti-fouling coatings in the future.
participants said that speeding up the construction of environmentally friendly anti-fouling coating materials research and development team, gathering high-end talents and intelligence, the relevant scientific and technological achievements as soon as possible into productivity, support the development of related industries, serve the marine environment protection, in line with the national marine development strategy, has important economic and social benefits.
Xiangshan County government officials said that they will support the typical anti-fouling paint production enterprises, shipyard repair and ship breakery clean production demonstration work, to achieve environmental compliance and economic development of the organic combination.
the seminar was organized by the China Materials Research Association and the Xiangshan County People's Government. Experts and scholars from relevant institutions and scientific research institutions at home and abroad exchanged the latest research results on the development of marine new materials industry, and conducted scientific and technological docking and guidance with some local enterprises.
source: People's Network Ningbo, September 27th, by wire (reporter Cai Tiefeng)