As very useful superficial mediflcation agents, the common long perfluoroalkyl -- containing agents are facing the ecological problems, such as persistence, bioacumulatlen, and/or toxicity in the environment. In order...As very useful superficial mediflcation agents, the common long perfluoroalkyl -- containing agents are facing the ecological problems, such as persistence, bioacumulatlen, and/or toxicity in the environment. In order to overcome the problems, we designed and synthesized a polyether dioi containing short perfluoroaikyl side chains, which was condensed with diisocyanate to form fluorine-containing aqueous polyurethane. This aqueous polyurethane was applied on cotton fabrics by conventional pad-dry-cure process. The treated cotton fabrics showed good water repellent property with the contact angle reached 131°, and also IXBSessed good washing durability.展开更多
基金Supported by the Programfor Changjiang Scholars and Innovative Research Teamin University (No.IRT0526)
文摘As very useful superficial mediflcation agents, the common long perfluoroalkyl -- containing agents are facing the ecological problems, such as persistence, bioacumulatlen, and/or toxicity in the environment. In order to overcome the problems, we designed and synthesized a polyether dioi containing short perfluoroaikyl side chains, which was condensed with diisocyanate to form fluorine-containing aqueous polyurethane. This aqueous polyurethane was applied on cotton fabrics by conventional pad-dry-cure process. The treated cotton fabrics showed good water repellent property with the contact angle reached 131°, and also IXBSessed good washing durability.
