Biobased Thermosetting Epoxy: Present and Future

Abstract

International audienc

Rational design of sustainable polyurethanes from castor oil: towards simultaneous reinforcement and toughening

“…The sample with dimension of 10 × 10 × 0.5 mm 3 and weight of W 0 was immersed in 25 mL N,N-dimethylformamide for two days to reach swelling equilibrium. The swollen sample was weighed as W 1 after removing the surface solvent with filter paper.…”

“…Exploitation of sustainable polymers from renewable feedstocks has attracted increasing attention, due to the continuously increased environmental concerns and resource crisis related to traditional fossil-based polymers [1][2][3][4][5][6]. Inexpensive vegetable oils, with various functional groups such as C=C double bond, ester, hydroxyl and epoxy groups depending on the origins, are thought as the ideal alternatives to fossil resources in production of novel sustainable polymers [7][8][9].…”

“…It is noted that the sustainable polymers synthesized directly from vegetable oils usually show poor mechanical performance leading to limited application [10][11][12]. Although high performance polymers such as polyamides, polyesters and epoxy thermosets can be prepared from monomers derived from vegetable oils through well-designed chemistry techniques, the conversion of vegetable oils to monomers increases the cost of the resultant materials inevitably [3,7,13]. If high performance sustainable polymers can be prepared from vegetable oils directly without undergoing monomer conversion step, they would be much more commercially competitive due to the increased cost-efficiency.…”

Synthesis of a Bifunctional Base Amplifier Containing a Disulfide Bond and Its Application to Photoreactive Materials

“…Epoxy resins, one of thermoset resins, are used to fabricate rigid cured bulks in various kinds of industrial fields [1]. The cured materials are not dissolved toward any solvents, resulting in lack of their reworkability or recyclability.…”

Cysteine-derived Cross-linker for Anionic UV Curing of Epoxy Resins

“…Epoxy resins are one of famous thermosetting resins, and they have been used to fabricate many industrial materials such as electronic parts, adhesives and coating films [1]. Network polymers in their cured materials are formed with cross-linkers or hardeners.…”