At present, the developed countries in Europe and America have strict VOC regulations on the coatings used in shipbuilding industry, and it is believed that other countries will have more stringent regulations in the near future. As a developing country, in order to catch up with the world's advanced level, epoxy floor, take the road of sustainable development, avoid the detour of pollution first and then control, improve our environmental protection requirements, which is reflected in our "comprehensive emission standards of air pollution". In solvents, coatings and adhesives are also the most important solvents downstream. Common solvents: formaldehyde, acetone, butanone, ethanol, isopropanol, butanol, propanol, ethyl acetate, butyl acetate, toluene, xylene and other organic solvents. The world and our country are striving towards solvation. 去溶剂化的优势
Advantages of solvation
First of all, policy-oriented, with the development of the market, water-based coatings and adhesives technology content and environmental friendly advantages will be brought into full play. Environmental protection has become one of the most concerned topics of the people. Affected by years of fog and haze, environmental protection will be given unprecedented attention in 2014. Specifically in the coating chemical industry, environmentally friendly, resource-saving water-based coatings are to encourage the development of products. The waterborne property of automotive coatings should reach 70%, and the waterborne coating of furniture and home furnishings should reach 30%. Adhesives: Solvent-free adhesives do not contain organic solvents, so non-flammable, non-explosive, convenient transportation, and safe storage. Solvent-free adhesive compound operation of the product without residual solvent, is non-toxic, harmless, odor-free, gambling gas hope to be good. In production operations, no solvent is released into the air, and there is no risk to the health and vision of the exclusive staff. The solventless composite equipment has no drying system and less energy consumption. The production speed is fast and the efficiency is high. Nowadays, the highest speed of solvent-free compounding in the world can reach 480 m/min, while the dry compounding speed of solvent-operated adhesives can only reach half of that. The operation of solvent free adhesives is less comprehensive. Of course, its unit price is higher than other products, but the amount of glue is less, only the amount of adhesive can be saved by 30%-40%, the overall cost can be reduced by more than 50% than the solvent-based dry composite. Less investment, more than half the investment in dry composite equipment than solvent based adhesives. Suzhou epoxy floor
Solvent-based coatings still dominate the domestic market, water-based coatings are still difficult to shake the market position of oil-based coatings in the short term. In addition to the limited market awareness, cost performance ratio and the cost of enterprise transformation are also important factors hindering its development. Because of its relatively low entry threshold, the number of small scale paint manufacturers is large. And after a long period of market competition, the price of paint is in the competitive edge of the market. Adhesives, especially for the soft packaging enterprises that have just introduced solvent-free composite equipment, Suzhou Epoxy Floor is still familiar with the whole production process of solvent-free composite technology. On the other hand, many technologies have not broken through the bottleneck in the process of solvent-free, and there are still many technical problems to be solved. Suzhou epoxy floor
The properties of coatings and adhesives themselves are the great advantages of solvent-based adhesives, and the technology of solvent-free water-based adhesives and coatings in these areas remains to be publicized. Therefore, at present, from the development trend, more environmentally friendly water is undoubtedly the future direction of development, but the balance of the advantages and disadvantages of the product itself, solvent-based still occupies the dominant position in the market, or even short-term irreplaceable. Therefore, although the proportion of water-based adhesives is expanding year by year, but the overall production of adhesives is still rising, the traditional solvent-based adhesives market is hard to shake in the short term.
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