In today's world, as the importance of environmental protection becomes more prominent, all industrials are looking for more sustainable and eco-friendly production methods. PU as a kind of material widely used in construction, home furnishing, automobile and other fields, which has attracted much attention in the environmental protection of its production and use. In recent years, polyurethane low-free MDI and TDI prepolymers are quietly changing the ecology of the polyurethane industry and contributing to our green life.

Nano polyurethane The so-called "nano polyurethane" refers to the organic/inorganic nanocomposite material formed by the inorganic filler dispersed in the polyurethane materials in nano size, and which has excellent properties that the general polyurethane materials does not have. Different fillers can be filled into different polyurethane material systems to make a lot of polyurethane composite systems, polyurethane nanocomposite coatings also have special properties or functions that the original components do not have, providing new possibilities for the preparation of high-performance new materials. so it is a new high-tech new material, which has broad prospects for applications.

Molded high resilience is a kind of flexible foam with excellent properties, such as light weight, softness, high resilience and high hand comfort, etc. and is also widely used in automobiles, furniture and other industries related to daily life. However, some problems in the production process are becoming more and more concerned by producers.

When everyone is full of confidence that China's polyurethane industry has entered a stage of rapid development, we should pay more attention to the future development direction of polyurethane.

For some thermoset polyurethane wastes with a low degree of crosslinking, it has a certain thermosoftening plasticity between 100-200°C. Within this problem, heating and pressurization can be directly bonded together without the use of adhesives.

As we all know, polyurethane is very versatile. At the same time, the factories of polyurethane foam produce a large amount of offcuts, mold spills, and waste products every year, as well as polyurethane waste in various fields need to be disposed. The recycling and reuse of these waste can not only reduce environmental pollution, but also conserve resources.

With excellent performance, lower price, low-carbon environmental protection and many other advantages, composite frame has a very broad application prospect in the photovoltaic industry.

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Polyurethane rigid foam is mostly closed-cell structure, with excellent characteristics of good thermal insulation effect, light weight, high specific strength and convenient construction. It also  has the features of sound insulation, shockproof, electrical insulation, heat resistance, cold resistance, solvent resistance, etc., and is widely used in insulation system for building exterior walls.

DETDA ,chemical full name as Diethyltoluene diamine , is a steric aromatic diamines. It was first produced by Albemarle Company in the United States, and the brand is Ethacure 100 . DETDA 80 is the brand name of Lonza in Europe . Now China become the third largest manufacturer of DETDA .