Pay attention to the research and development of new polymer surfactants

2022-03-14 09:11:47

The synthesis of polymer surfactants has become one of the hot topics in the synthesis of surfactants in recent years. However, there is still a lot of basic work to be further studied in the continuous development of new products and the exploration of the relationship between their structure and performance. Therefore, studying the relationship between its structure and properties, paying attention to the research and development of new polymer surfactants, and synthesizing polymers with high molecular weight and high surface activity have important theoretical and application value. In addition, the development of low-cost, non-toxic, pollution-free and multi effect polymer surfactants will be the research trend of polymer surfactants in the future.

The so-called polymer surfactant refers to a substance with a relative molecular weight of more than thousands and surface activity. It is a new and promising surfactant. It can form micelles to wrap dye molecules, control the slow release of dye molecules under certain conditions, achieve leveling effect, and is widely used in textile industry.

Among them, polyvinylpyrrolidone (PVP) is a linear polymer formed by polymerization of N-vinyl pyrrolidone. PVP is widely used as textile auxiliaries because of its good complexation ability, biocompatibility, low toxicity, polymer surface activity, colloidal protection and good compounding ability with other compounds.

They prepared PvP and compounded it with other surfactants and organic additives. It was found that it not only had a certain effect on preventing the white ground contamination of printed fabrics, but also effectively removed the floating dye after reactive dye dyeing and improved the soaping effect after reactive dye dyeing.

In addition, the composite system of polyoxyethylene alkyl amine and anionic surfactant can be used to replace imported products for acrylic fiber dyeing production. For example, when quaternary ammonium salt, fatty alcohol polyoxyethylene ether and alkyl amine polyoxyethylene butyl ether are combined, the dyeing uptake of acrylic fiber is high and the leveling effect is good.

In addition, Zhou Cun and others prepared high molecular surfactant tfx-200 acrylic fiber polymer granulator with high molecular weight polyether, fatty acid ester and ammonium phosphate as main raw materials and added special penetrant, water reducer, release agent, curing agent and coagulant. It was found that the surfactant has excellent application performance, In China, some dry acrylic fiber production plants and wet acrylic fiber production plants have been industrialized for a long time.