2nd Commonwealth Chemistry Congress - Abstract book

Affordable and Clean Energy (SDG 7), Responsible Consumption and Production (SDG 12)

Development of Biodegradable, Self-Healing Polycaprolactone-Based Shape Memory Polymers for 4D-Printing Application Yvonne S.L. Choo* 1 , Shawn S.L. Loo Kelip-kelip! Center of Excellence for Light Enabling Technologies, School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, Sepang, Selangor, Malaysia. Additive manufacturing (3D-Printing) is a pillar of IR 4.0, offering solutions to the limitations of conventional manufacturing. The combination of 3D-Printing and shape memory polymers (SMPs) has led to the development of 4D-Printing, which provides rigid 3D-Printed objects with the added functionality to morph into different shapes in response to stimuli such as heat, light, moisture, etc. This emerging technology holds great promise in various fields, including energy and biomedical applications, and research into novel smart materials can further expand its potential. In this study, a series of PCL-based SMPs with varied compositions were fabricated and characterized for their shape memory and self- healing properties. By tuning the amount of diisocyanate precursors, polyol precursors, and reactive diluent, desirable mechanical and thermal properties were achieved, making them suitable to be printed for specific applications.

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