| abstract |
The invention discloses a water-based polyurethane finishing agent, a preparation method and its application in fabric anti-wrinkle, including isophorone diisocyanate, polytetramethylene ether glycol 2000, dibutyltin dilaurate, chain extension It is prepared by pre-polymerization, chain extension, neutralization, emulsification and dispersion, etc. as raw materials, such as dimethylolpropionic acid, end-capping agent sodium hydrogen sulfate, accelerator sodium sulfate, neutralizing agent triethylamine, etc. The method of using the synthesized finishing agent for anti-wrinkle finishing of cotton fabrics is as follows: the finishing agent is used alone or compounded with other anti-wrinkle finishing agents, and the cotton fabric is subjected to wrinkle-resistant finishing by padding method. Cotton fabrics treated with water-based polyurethane finishing agent alone or in combination with anti-wrinkle finishing agent have good crease recovery performance and strength retention rate. The preparation is simple, the application is convenient, and the finishing agent has wide application prospects and application markets. |