Brief introduction of polymer membrane

Organic polymer film. With the development of petroleum industry and science and technology, the application field of polymer membrane has been expanding, from the initial packaging membrane to intelligent polymer membrane and polymer functional membrane. Among them, selective separation membranes, such as ion exchange membranes, microporous filtration membranes, ultrafiltration membranes, liquid membranes and liquid crystal film, are the most widely used. It has been used in nuclear fuel and metal refining, gas separation, seawater desalination, ultra-pure water preparation, waste treatment, artificial organ manufacturing, medicine, food, agriculture, chemical industry and other fields.