一种丁腈酯橡胶及其制备方法与应用
The preparation of nitrile butadiene rubber by low-temperature copolymerization and organic sulfonic acid catalyst solves the problems of insufficient performance of nitrile butadiene rubber in harsh environments and the problems caused by traditional catalysts, realizing efficient and environmentally friendly rubber production and improving the heat resistance, oil resistance and multiple deformation stability of rubber.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- PETROCHINA CO LTD
- Filing Date
- 2023-10-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing nitrile rubber has insufficient performance in harsh environments such as high altitude and deep sea, and the problems of low esterification reaction efficiency, high cost, severe equipment corrosion and environmental pollution caused by traditional catalysts have not been effectively solved.
Acrylonitrile rubber was prepared by low-temperature copolymerization using itaconic acid diester as the ester-containing monomer. Organic sulfonic acid was used as a catalyst, and acrylonitrile, emulsifier and molecular weight regulator were added in multiple stages to improve the ester group distribution and enhance the rubber properties.
A high- and low-temperature resistant, oil-resistant, and repeatedly deformable nitrile butadiene rubber was prepared, reducing production costs, minimizing equipment corrosion, and achieving green and environmentally friendly production.
Smart Images
Figure CN119775491B_ABST