Polyurea is an elastomer substance formed by the reaction of isocyanate components and amino compounds.Divided into pure polyurea and semi-polyurea, their performance is not the same, the most basic characteristics of polyurea is anti-corrosion, waterproof, wear resistance and so on. A class of com... read more
Elastic explosion-proof coating material is a kind of special protective material in the field of national defense industry. Its tensile strength is greater than 24MPa, elongation at break is up to 300%, and its toughness is far more than steel.Under the powerful blast wave action, the wall protect... read more
Waterproof performance of lacquer in what aspects? The selection of raw materials and construction technology of lacquer have a direct impact on its performance.So it is very important to choose the right material to improve the water resistance of lacquer, so the waterproof performance of lacquer ... read more
Prospect of waterborne polyurethane coatings After decades of development abroad, waterborne polyurethane products have approached or reached the level of solvent-based products in automotive coatings, leather finishing agents, adhesives and other fields. The future development trend is to increase... read more
The raw materials for preparing waterborne polyurethane are as follows: (1) oligomer polyols: polyether diol, polyester diol, polyether triol, polybutadienediol, acrylate polyols, etc.The oligomer polyols commonly used in the preparation of waterborne polyurethane adhesives are generally polyether ... read more