The quality of epoxy resin used for coating during the 12th Five-Year Plan

Resins are not only widely used in the plastics industry, they are also important raw materials in coating formulations. As one of the main film-forming materials for coatings, epoxy resin for coatings has accounted for 36% of the total, which is the fastest growing field in the field of epoxy resin applications. China is the world's largest producer and distributor of epoxy resins, and its resin production has rapidly increased with the growth of coating production capacity. According to statistics, in 2010, the production capacity will reach 1.5 million tons and the output will be 1.3 million tons. In addition, the demand for epoxy resin in China is still growing rapidly, and it is predicted that consumption will soon reach 1.5 million tons in 2011. With the introduction of the "Twelfth Five-Year Plan", some analysts believe that the next five years will be the quality of the epoxy resin industry double-up five years.

Before the reform and opening up, there was no professional resin manufacturer in China. The liquid resin used for coating was basically self-produced by the coating company. For example, wood lacquer manufacturers mostly produced their own alkyd resin, and their varieties were mainly castor oil modified, and they were slow to dry. Low grade. In the mid-to-late 1990s, with the entry of some foreign and Taiwanese specialty resin manufacturers, domestic paint manufacturers had more choices for resin products, of which soy oil and fatty acid modified varieties quickly became a good overall performance and cost-effectiveness. The main varieties of short oil alkyd resins for wood coatings. For the time being, alkyd resin still maintains the status of the leader of coating resins, and epoxy resin has seen a large increase in recent years, showing a tendency to catch up with alkyd resins. Methyl etherification in the field of amino resins has a relatively large application compared with previous years.

Geographically, the Asia-Pacific region has become a major competitive region for global epoxy resins. In the Chinese mainland market, this is the only region where the global epoxy resin consumption area is the only one whose capacity is less than consumption. With foreign epoxy resin companies have joined the Chinese market, and the total production capacity has exceeded the sum of state-owned capital and private capital. The increasingly fierce competition has also promoted the rapid development of China's epoxy resin industry, which is embodied in the centralization of production, the scale of the equipment, the improvement of product quality, and the transparency of prices, and to a certain extent, it also promotes the development of downstream industries.

Epoxy resins are mainly used in surface coatings, adhesives, flooring and paving materials, and composite materials. According to SRI Consulting (SRIC), due to the severe impact of the weak construction market in developed countries, the average annual epoxy resin consumption in the United States, Western Europe and Japan fell by 12% between 2006 and 2009. SRIC predicts that the demand for epoxy resins in the United States and Western Europe will increase at an average annual rate of 3.2% and 2.8% from 2010 to 2013, respectively. It is understood that China's main suppliers of domestic epoxy resin Sanmu, Jiangsu, Shanghai Yuanbang have capacity expansion projects and production projects in recent years. It is worth mentioning that: At present, China's epoxy resin products are still based on the basic resin-based, market competition is fierce, profit margins continue to shrink, industrial restructuring and long-delayed. Therefore, there are professionals who believe that: how to rely on the "12th Five-Year Plan" to adjust the structure and promote the policy of the policy, while reducing the pollution of the basic resin production process, open up the added resin market, increase product added value, is the entire resin industry urgently needed The important issue to solve.

At present, after the domestic acrylic resin is saturated in the low-end market, it is developing in an environment-friendly and functional manner. According to the author's understanding, polyurethane resin is still a hot spot in the water-based field, and it has maintained a large application in wood coatings and other fields. In addition to the above-mentioned major synthetic resins, fluorocarbon coatings have been used in recent years for their excellent weatherability and high stain resistance. Photocurable resins have also become new profit growth points for many large resin manufacturers.

The surge in paint production stimulates the rapid growth of domestic resin production capacity. For resin suppliers, attention should be paid to the coordinated development of curing agents, additives, and raw materials, and the development of water-based resins that are compatible with water-based paint formulation systems, and specialties. Resin study to avoid blind or repeated items. In general, the global epoxy resin market is experiencing a full recovery from the economic downturn and fits the support for new materials in the “Twelfth Five-Year Plan”. In 2011, the global coating resin market will usher in a small peak of development. As prices are expected to increase, prices will rise again.