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In fact, polyurethane manufacturers in the application status has been improved

2019-07-29

Application status




China has been developing and applying polyurethane coatings since the 1950s. With the continuous improvement and improvement of the material living standards of the public, the development speed of a series of industries such as automobile processing, furniture manufacturing processing, petrochemical industry, machinery industry, bridge and ship is constantly improving. With its outstanding performance advantages, polyurethane coating begins to enter a new stage of rapid development. According to statistics, since 1980-2004 period, various industries in the field of the usage of polyurethane coating revealed a very quick, the development trend of polyurethane coating total amount achieved breakthrough development since the 01700 ~ 200000 t, second only to the polyurethane coating production of alkyd resin paint coating, acrylic resin and phenolic resin paint coating paint coating, has become the fourth largest varieties in the field of coating, and this trend continues today, its production and the development trend of using range remains very fast. [5]




In the production and processing enterprises related to polyurethane coatings, the enterprises responsible for the development and application of polyurethane coatings are mainly distributed in the Pearl River Delta and the Yangtze River Delta region. Up to now, more than 60 kinds of polyurethane coatings have been developed. What need to cause attention is, suffer the influence such as capital investment and technical development strength, the development enterprise of most concerned polyurethane coating is given priority to with joint venture enterprise, foreign capital enterprise and domestic scale bigger production enterprise, market position is given priority to with medium high-grade commodity, town enterprise is given priority to with low grade product more.




From the point of view of the development and application of polyurethane coatings, the most mainstream is still the performance of two-component polyurethane coatings, it is in the wood furniture coating and other fields of application has been expanding and improving. In addition, single-component polyurethane coatings still have a very strong application advantage in automobile processing, basement waterproofing and other fields. This kind of coating takes polyurethane as the main material and has a very good application value in the production of all kinds of color paints and varnishes. The newly developed acrylic polyurethane paint USES biuret as curing agent and its application value in automotive repair paint is quite reliable. Especially for light vehicles, large buses and vans, vehicle processing coating function is very worthy of affirmation, the market prospect is considerable. Based on acrylic polyurethane coatings, the new polyurethane coatings can also be applied in other manufacturing and processing fields to meet the requirements of processing quality of household appliances, trains and other processing materials.




In addition, the special polyurethane coatings applicable to floor coating, machine painting, aerospace equipment surface coating and other fields are in the accelerated development and research stage. The classification, characteristics and application fields of polyurethane coatings are reviewed and analyzed in relevant reports.


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