ArticleACS omega2026
Sequential Diluted Dual-Curable Epoxy-Anhydride Thermosets: Effect of Epoxy-Based Reactive Diluent on Curing Behavior, Thermal and Mechanical Properties.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
2 authors.
Funding
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Abstract
The main drawback of sequential dual-curable off-stoichiometric epoxy-anhydride thermosets diluted with 1,6-bis-(2,3-epoxypropoxy)-hexane (HDDGE), which is low glass transition temperature after final curing at 150 °C, was overcome by using 1,4-bis-(2,3-epoxypropoxy)-butane (DD) as a difunctional aliphatic epoxy-based reactive diluent. In addition to this diluent, diglycidyl ether of bisphenol A, tetrahydromethylphthalic anhydride and 1-methylimidazole were mixed and used as epoxy, anhydride comonomer, and anionic initiator, respectively. The quasi-sequential curing behavior of off-stoichiometric formulations arises from two reactions: the anhydride-epoxy condensation (esterification) and epoxy homopolymerization (etherification). Although these reactions are designed to occur sequentially, the overlap in their activation temperature ranges leads to partial competition between them. The relative contribution of both curing stages, as well as precuring time, determine the changes in viscosity during the curing process. It is therefore difficult to precisely separate these two curing stages, which makes dual-curing formulations quasi-sequential. The final off-stoichiometric material showed a
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