What are the uses of N-ethyl pyrrolidone products
N-ethyl pyrrolidone is a strong polar organic solvent. It has the characteristics of high chemical stability, weak alkalinity, high solubility, low vapor pressure and low dielectric constant.
N-ethyl pyrrolidone can be used as highly selective solvent, catalyst and cationic surfactant. The product can be divided into the following two categories in practical application:
1. Industrial grade: used for the production of pyrrolidone series products, oil refining, gunpowder, coating, dye, heat-resistant high molecular weight polymer resin and dry adhesive degreasing, photoresist stripper, coating developer, epoxy resin edge removal, acetylene, butadiene extraction, natural gas desulfurization, synthetic fiber spinning medium, pigment dispersion, etc.
2. Reagent grade: used in pharmaceutical and pesticide intermediates and daily cosmetics industries, as well as in the production of high-tech lithium batteries with high added value.
Different grades of N-ethyl pyrrolidone products have different uses. We should pay attention to distinguish them when using them.
The Second Publicity of Environmental Impact Assessment of Chongqing Zhonggrun Chemical Co., Ltd. NMP Energy Saving Reconstruction Project (Draft for Comments)
According to the provisions of the Environmental Protection Law of the People's Republic of China, the Environmental Impact Assessment Law of the People's Republic of China, the Regulations on the Administration of Environmental Protection of Construction Projects and the requirements of the Measures for Public Participation in Environmental Impact Assessment,
Publicity of completion environmental protection acceptance information of Chongqing Zhonggrun Chemical Co., Ltd
According to the Interim Measures for Environmental Protection Acceptance upon Completion of Construction Projects, the Monitoring Report on Environmental Protection Acceptance upon Completion of Chongqing Zhonggrun Chemical Co., Ltd. Organic Solvent NMP Production and Recycling (Phase I) is hereby publicized.
Chongqing Zhongrun Chemical Co., Ltd. Publicity of environmental protection information
In 2021, COVID-19 ravaged the world. Under the strong leadership of President Xi and the CPC, Chinese people have embarked on a journey of rejuvenation that puts people first, fights the epidemic all over the country, and pursues the dream of becoming strong.
On June 30, 2021, on the eve of the 100th anniversary of the founding of the CPC, Dai Ming, head of Changshou District government, accompanied by leaders of the Management Committee of the economic development zone and others
Li Jun, Secretary of the Party Committee of Sichuan Provincial Bureau of Economic Cooperation, and his delegation came to our company to carry out research activities
In order to seize the construction opportunity of Chengdu Chongqing double city economic circle and promote the coordinated and integrated development of the two industries