Directed polymerization method to generate complex, three dimensional (3D) structures in soft materials
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United States of America Patent
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Oct 3, 2023
Grant Date -
Dec 3, 2020
app pub date -
Dec 14, 2018
filing date -
Dec 14, 2017
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Abstract
There is provided a method of forming a 3-dimensional structure from a hydrogel, the process comprising the steps of: (a) placing a hydrogel polymerisation solution into a reaction vessel, and (b) allowing the hydrogel polymerisation solution to react without mixing for a period of time at ambient temperature, while introducing a polymerisation modulator to the reaction solution through a reaction solution/polymerisation modulator interface, wherein over the period of time, a modulation effect gradient is established in the reaction solution, where the modulation effect has a maximal value at the reaction solution/polymerisation modulator interface and a minimal value at a point furthest away from said interface. The said method additionally includes the use of physical constraint members such as wires and/or threads.
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