Dimethylolurea, with the CAS number 140 - 95 - 4, is a chemical compound widely used in various industries. The chemical formula of dimethylolurea is C₃H₈N₂O₃. It is a white crystalline powder at room temperature and has a melting point of around 125 - 130°C. This compound is soluble in water, which makes it convenient for many applications.
The product is usually supplied in high - quality form from the factory, ensuring a high degree of purity. The purity level can reach up to 98% or even higher, which meets the strict requirements of different industrial applications. It is produced under strict quality control standards to ensure its stability and effectiveness.
Dimethylolurea has a wide range of uses. In the textile industry, it is used as a cross - linking agent for cellulose fibers. It can improve the wrinkle - resistance and shrink - resistance of fabrics, making them more durable and maintaining a better appearance after multiple washes. For example, in the production of cotton shirts, adding dimethylolurea during the finishing process can enhance the fabric's performance.
In the wood industry, it is used as a resin component in the manufacturing of plywood and particleboard. It can increase the bonding strength between wood particles, improve the water - resistance of the boards, and reduce the formaldehyde emission, which is beneficial for indoor air quality.
It is also used in the paper industry as a wet - strength agent. By adding dimethylolurea to the paper pulp, the paper can maintain its strength even when wet, which is crucial for products such as packaging paper and tissues.
When using dimethylolurea, it is important to follow the recommended dosage and handling procedures. In most cases, it should be first dissolved in water to form a solution. The concentration of the solution depends on the specific application. For textile finishing, a solution with a concentration of 5 - 15% is usually used.
Before adding the solution to the production process, it should be well - mixed to ensure uniform dispersion. When using it in the wood industry, the solution is usually applied to the wood particles or veneers by spraying or dipping. In the paper industry, it is added to the paper pulp during the papermaking process.
It is necessary to wear appropriate protective equipment, such as gloves and goggles, when handling dimethylolurea to avoid direct contact with the skin and eyes. In case of contact, rinse immediately with plenty of water and seek medical advice if necessary.
Textile Industry Case: A textile factory in China was struggling with the low wrinkle - resistance of its cotton products. After using dimethylolurea as a cross - linking agent in the finishing process, the wrinkle - recovery angle of the cotton fabrics increased from 200° to 280°. This improvement not only enhanced the quality of the products but also increased customer satisfaction. The factory was able to gain a larger market share and improve its profitability.
Wood Industry Case: A particleboard manufacturer in Europe was facing problems with high formaldehyde emission and low bonding strength of its products. By using dimethylolurea as a resin component, the formaldehyde emission was reduced by 50%, and the internal bonding strength of the particleboard increased by 30%. This enabled the manufacturer to meet the strict environmental standards and improve the performance of its products, resulting in higher sales and better brand reputation.
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