The production of unsaturated polyester resin in China reached 190,000 tons
The production of unsaturated polyester resin in China reached 190,000 tons
Unsaturated polyester resin, generally a linear polymer compound with esters and unsaturated double bonds of unsaturated diglycol and unsaturated di-acid unsaturated diglycol. Usually, polyester melt polycondensation reaction was conducted in 190 ~ 220 ℃, until the desired acid value (or viscosity), at the end of the polyester melt condensation reaction, add a certain amount of vinyl monomer, match into sticky liquid, the polymer solution is called unsaturated polyester resin.
Champ consulting analyst pointed out: unsaturated polyester resin is the three types of thermosetting resin (epoxy, phenolic resin, unsaturated resin), the most widely used, the largest output fastest growing varieties. It is widely used in various fields of industrial textiles based on its advantages of good technology, low cost, easy molding and the combination of inorganic materials such as glass fiber and design matching. Now, with domestic energy reform and accelerate the low-carbon economy, emerging industries in the field of rail transit, high-speed railway, urban construction, green construction, wind power development in areas such as start industrial unsaturated polyester resin composite materials are widely used.
According to the data, in 2013, the production of unsaturated polyester resin in China reached 190,000 tons, and the application was concentrated in the middle and high-end market. The largest domestic production company is still yabang coatings co., LTD., which will achieve 240,000 tons in the whole year, followed by the days of the day, fukuda, hua xun, ze yuan, fangxin, etc., with total production exceeding 650,000 tons. From the analysis of the overall technical level of unsaturated polyester resin, jiangsu and Shanghai are still the largest r&d and OEM bases in China. The SMC/BMC resins, wind power resins, desulfurization resin, shipbuilding resin and structural resin of foreign enterprises in jiangsu province are still leading the country, and have led to the technological upgrading of the whole industry in jiangsu province. As an OEM base in jiangsu province, the main export varieties are the low cost of benzene resin and air-dry DCPD resin, and the two kinds of OEM resin can reach more than 100,000 tons. In recent years, the state attaches great importance to environmental protection, and the growth of vinyl ester resin has accelerated. In jiangsu and Shanghai, the size of enterprises has reached more than 20, and the national output is estimated at 43,000 tons. It is worth noting that in order to reduce costs, a batch of modified vinyl ester resin has appeared in the market, which has poor corrosion resistance and has damaged customers and the market with short cycle and cracking.
According to champ consulting released "2014-2018 unsaturated polyester resin industry in China the depth study and outlook report shows, unsaturated polyester resin industry in China faced with new opportunities in the next 10 years, the opportunity came from two aspects: one is as the world's largest developing country in our country, to catch up with the developed countries such as Europe and the United States, Japan, the glass fiber composites industry in China will need to transfer process by a low level to high level. In terms of energy and low carbon, the market needs a large amount of fiberglass material and products. The second is the continuous innovation of glass fiber and high performance synthetic fiber in the world and our country, and the urgency of the upgrading of unsaturated polyester resins in China; The development of high performance glass fiber has enabled developed countries to give up the production of carbon fiber T300, and thus the high performance unsaturated polyester resin varieties have been used to beat emerging markets
