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China Drying News Zhejiang Naihe Industrial Co., Ltd. will soon put into production after the installation and commissioning of the high solids water-containing polyurethane device.
“The traditional water-based polyurethane emulsion has a low solid content, which results in low initial viscosity and slow dry film formation. Therefore, there is a limit in application and promotion.†According to Ying Jianguo, Chairman of Naihe Industry Co., Ltd., the initial adhesive force is an object. In the short-term contact adhesive force, waterborne polyurethane has the advantages of non-toxic, non-flammable, non-polluting environment, etc. compared with solvent-based polyurethane, and has been widely used in leather coating, automotive coating, fiber processing, papermaking industry additives, Coatings and adhesives and other fields. However, water-based polyurethanes have a longer drying time than solvent-based polyurethanes at the same solids content, which makes it difficult to meet the production requirements of fast-paced modern production lines. The high solids containing water-based polyurethane can not only improve the initial adhesive force, speed up the drying and film formation speed, but also has low cost, and has more advantages in promotion.
Under the impetus of the Zhejiang Provincial Ecological Synthetic Leather Industry Technology Innovation Strategic Alliance, Naihe Industrial invested more than RMB 1.5 million in the early stage, and Lishui University jointly researched and developed high-solid-water-containing polyurethane and achieved success. In the future, Naihe Industry will vigorously produce high-solid-moisture polyurethanes with an annual output of more than 1,000 tons and an output value of more than 30 million yuan.
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SICHUAN YINHE CHEMICAL CO.,LTD , https://www.sichuanyhcc.com