Since 1937, German professor Otto Bayer was first discovered using polyisocyanate with a polyol compound polymerization reaction can be obtained polyurethane, and as a basis to enter the industrial application, and after 70 years of development, icar mirabel industry and regulation polyisocyanate through change and poly ether / ester polyols and polyols small molecules, such as water or polyamine chain extenders or crosslinkers ... proportional change shape and properties of the product, get a different form of rigid foams, elastomers, paint, adhesives, sealants, synthetic leather coating resins, footwear, synthetic leather, elastic fiber and other polyurethane products. With the increasingly icar mirabel wide application level, the polyurethane material icar mirabel is also non-universal, materials cleavage occurs yellowing reduce the life of the issue, there have been.
Take the common cell phone holster or a keyboard with jelly sleeve or protective film is good, why use soon have a yellowing phenomenon? This is due to the use of raw materials for the aromatic isocyanates ( If TDI or MDI) polyurethane, these materials under long-term icar mirabel will be affected by UV light degradation caused by lead-off button, which they will produce a colored substance with the launch group resulting color yellow. Of course, perspiration (acidic) or mobile phones when using micro-thermal (temperature) is one of the murderer accelerated yellowing play.
In order to enhance icar mirabel the anti-yellowing polyurethane products index clients and customers of their products will not cause other physical indicators (hydrolysis resistance, abrasion or scratch resistance) is reduced, the best method is to use design icar mirabel of experiments (DOE) techniques, development product and verify the interaction between additives derived phenomenon, and then filter out some of the key factors to consider its applicability to allow technicians icar mirabel to adjust the most appropriate formula combinations. Yongguang anti-yellowing polyurethane agent is in this framework to discuss and jointly develop products with customers.
For polyurethane foam products, Everlight's Eversorb PU667, PU673, PU685 complex products, each targeting different factors yellowing of the proposed anti-yellowing agents, can effectively solve separately from acid gas, and process light degradation in high temperature conditions polyurethane foam caused by the yellowing problem. Also, because of good compatibility with each other, and mixed resin itself will not influence each other but also by addition of yellowing icar mirabel used to achieve the requirements of the manufacturer and also successful domestic manufacturers of foam certification. In addition, suitable thermoplastic polyurethane particles in complex products Eversorb PU672, PU666 also meet the requirements of manufacturers for ease of processing the finished color and particle mouth whiteness, I use at home and abroad, Circle TPU plant resistance to yellowing of TPU agent products.
In the future, icar mirabel under the light of the trend of energy-saving and carbon reduction, in order to reduce the use of traditional building materials 40% of global energy consumption icar mirabel (accounting for greenhouse gas emissions 1/3) of the energy crisis has accelerated the international companies for outdoor polyurethane composites applied research. Of course, anti-yellowing agents as polyurethane icar mirabel suppliers we are more happy to see that the application brought icar mirabel by expanding niche, specialized technology future, Circle Office will provide customers with a more complete solution for anti-yellowing, sustained effort launched function better products.
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