Preparation of novel damping layered silicates and its application in chlorinated butyl rubber (CIIR) composites

ABSTRACT

On the basis of layered silicates, montmorillonite (MMT) with lamellar structure was selected to realize the design of constrained damping materials. A novel type of organically modified MMT (MD-OMMT) containing -OH groups was prepared by introducing of organic hindered phenol groups. This novel filler, MD-OMMT, was then applied into chlorinated butyl rubber (CIIR) composites. After addition of different amounts of MD-OMMT, their tensile strength and elongation at break were improved. In addition, the damping factor was increased compared with that of pure CIIR. Moreover, the damping temperature was shifted to the room temperature and its damping temperature range was widened.

Graphic abstract

KEYWORDS:

• Layered silicates
• hindered phenol
• chlorinated butyl rubber
• damping
• properties

Additional information

Funding

 This work was financially supported by “National Natural Science Funds (No. 51873103)”, “Capacity Building Project of Some Local Colleges and Universities in Shanghai (No.17030501200)”, “Scientific and Technological Support Projects in the Field of Biomedicine (No. 19441901700)”, “Talent Program of Shanghai University of Engineering Science (No.2017RC422017)”, “First-rate Discipline Construction of Applied Chemistry (No. 2018xk-B-06)”, and “City-level Plan Project of College Students Innovation Activity (cs 1904004)”.

Notes on contributors

Jincheng Wang

Jincheng Wang Professor of College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science.