Influence of n-butyl acrylate and maleic anhydride copolymer on the structure and properties of phenolic resin
Source abstract
Abstract
Abstract P(BA-co-MA), the copolymer of n-butyl acrylate (BA) and maleic anhydride (MA) monomers, was synthesized by radical solution polymerization, and its structure was confirmed by 1H NMR and FTIR. Then this prepared P(BA-co-MA) was used to modify the phenolic resin (PF). The chemical structure, mechanical properties and thermal stability of the modified PFs were investigated. The results showed the existence of an esterification reaction between the anhydride groups of P(BA-co-MA) and the phenolic hydroxyl groups of PF during the curing process, which occurred at about 90 °C. In addition, the amount of the phenolic hydroxyl groups in each modified PF was decreased, which obviously increase the thermal stabilities of the modified PFs. The study found that the P(BA-co-MA) was micro spherically distributed in the PF matrix, and P(BA-co-MA) microspheres were tightly bound to the matrix due to the esterification reaction. The results of the research also indicated that all the P(BA-co-MA) modified PFs were all improved in toughness and strength.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Epoxy Resin Curing Processes · Polymer composites and self-healing · Polymer Nanocomposites and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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