Copolymerization of bisphthalonitrile/benzoxazine blends: Curing behavior, thermomechanical and thermal properties

Xu, Yi-le; Dayo, Abdul Qadeer; Derradji, Mehdi; Wang, Jun; Liu, Wenbin; Song, Sha; Tang, Tao

doi:10.1016/j.reactfunctpolym.2017.12.013

Cited by 33 publications

(17 citation statements)

References 41 publications

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“…Furthermore, the thermal stabilities parameters ( T 5 , T 10 , Y c ) were compared with the corresponding parameters for the poly(P‐a/BAPh) copolymer. A slight decline was seen in all parameter values than the reported work because BAPh is a bisphthalonitrile monomer, which is more thermally stable than the 4‐APN polymer …”

Section: Resultsmentioning

confidence: 50%

“…This indicates that the rigidity of resin was reduced, due to the interpenetrating polymer network of triazine and phthalocyanine structures, which enhanced the toughness of copolymer to a certain extent . Furthermore, comparing the results of E ′ with our already published poly(P‐a/BAPh) copolymer, current studies revealed that the addition of 4‐APN in the lower amount (10 wt %) can increase the E ′ of copolymer, while very sharp decline was seen for the poly(P‐a/BAPh) copolymer …”

Section: Resultsmentioning

confidence: 63%

“…Moreover, from the tan delta curves represented in Figure (B), it can be seen that only a single tangent peak appears, indicating very good homogeneity of the monomers. Furthermore, the observed T g values for the copolymer at the 30 wt % loading of 4‐APN are much lower (70 °C) than the copolymer of P‐a with bisphenol‐A based PN (BAPh) monomer …”

Section: Resultsmentioning

confidence: 94%

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Curing behavior and properties of benzoxazine‐co‐self‐promoted phthalonitrile polymers

Dayo

Wang

et al. 2018

J of Applied Polymer Sci

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A new high‐performance copolymer was successfully obtained via concerted catalysis polymerization of mono‐functional benzoxazine (P‐a) and self‐promoted 4‐aminophenoxy phthalonitrile (4‐APN) monomers. The FTIR and DSC curves of the P‐a/4‐APN in different blend ratios suggested that the monomer blends can be completely cured without the addition of curing additive. The P‐a/4‐APN copolymers were cured at relatively lower curing temperatures and time. The TGA curves revealed that the P‐a/4‐APN copolymers have good thermal stability in terms of T5, T10, and char yield. A gradual increase in the glass transition temperature (Tg) values and decline were seen in the storage modulus as the loading of 4‐APN was increased from 10 to 30 wt % in the copolymer. The SEM analyses showed that copolymer's fracture surface is dendritic, showing the stress has been dispersed to a certain extent. The study revealed that the poly(P‐a/4‐APN) copolymer have much better thermal stabilities than the poly(P‐a), and the prepared copolymer can be used as a high‐performance thermosetting resin. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46578.

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Section: Resultsmentioning

confidence: 50%

Section: Resultsmentioning

confidence: 63%

Section: Resultsmentioning

confidence: 94%

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Curing behavior and properties of benzoxazine‐co‐self‐promoted phthalonitrile polymers

Dayo

Wang

et al. 2018

J of Applied Polymer Sci

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“…With the development of society and the economy, more polymers have increasingly been synthesized and applied in different domains. However, they are not sufficient to meet the requirements of the growing demand of polymers with different properties (e.g., miscible or immiscible, electrical, thermal, mechanical, and tribological properties). Thus, blends and composites are compounded to improve the utilization of different polymers.…”

Section: Blendingmentioning

confidence: 99%

Overall Investigation of Poly (Phenylene Sulfide) from Synthesis and Process to Applications—A Review

Zuo

Tcharkhtchi

Shirinbayan

et al. 2019

Macro Materials & Eng

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Poly (phenylene sulfide) (PPS) is one kind of high‐performance polymer with high thermal stability that can be used widely in different industrial domains. However, according to an investigation of the literature, few reviews have comprehensively focused on the continuous development of PPS applications in the past decade. To meet this demand, this paper provides an overall investigation of PPS polymer and PPS‐based composites from synthesis and process to applications. Briefly, this paper introduces PPS materials according to the following topics. First, the molecular weight distribution and morphology of PPS, as well as their reinforced parts, are introduced. Afterward, the topic is focused on the synthesis, process, and blending of PPS. In the next part, this paper investigates the key points regarding PPS as a high‐performance polymer, focusing on the aspect of thermal behavior and mechanical properties. Finally, PPS composite applications are emphasized and overviewed from a wide range of aspects.

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“…Similar to phthalonitrile‐containing polymers, benzoxazine resins can also be applied to obtain high‐performance materials . Copolymerization of benzoxazine/phthalonitrile has been studied and the prepared copolymers can be used as high‐performance matrix in various fields . However, the copolymerization between benzoxazine and phthalonitrile could result in uneven distribution of different phases, which may weaken the mechanical and thermal properties of materials.…”

Section: Introductionmentioning

confidence: 99%

Modification of Solventless‐Synthesized Benzoxazine Resin by Phthalonitrile Group: An Effective Approach for Enhancing Thermal Stability of Polybenzoxazines

Liu

Yin

et al. 2018

Macro Chemistry & Physics

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Although the solventless method for synthesizing benzoxazine resins has the advantage of low cost, the impurities involved in the products such as oligomers and original phenols significantly weaken the properties of polybenzoxazines. Herein, the commercialized BA‐a (benzoxazine derived from bisphenol‐A, aniline, and formaldehyde) resin obtained from a solventless method is modified by phthalonitrile through the reaction between phenol groups and 4‐nitrophtahlonitrile. The structures of obtained resins have been confirmed by 1H and 13C nuclear magnetic resonance (NMR) and Fourier transform infrared (FTIR). In addition, the ring‐opening polymerization behavior of each resin has been studied by differential scanning calorimetry and in situ FTIR. Furthermore, the thermal properties of the cross‐linked thermosets were measured by thermomechanical analysis and thermogravimetric analysis. The phthalonitrile‐functionalized benzoxazine resin shows a low polymerization temperature with the maximum of exothermic peak centered at 218.7 °C, and its corresponding polybenzoxazine exhibits excellent thermal stability, with a high Td5 value (346 °C) and high char yield (42.78%).

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Copolymerization of bisphthalonitrile/benzoxazine blends: Curing behavior, thermomechanical and thermal properties

Cited by 33 publications

References 41 publications

Curing behavior and properties of benzoxazine‐co‐self‐promoted phthalonitrile polymers

Curing behavior and properties of benzoxazine‐co‐self‐promoted phthalonitrile polymers

Overall Investigation of Poly (Phenylene Sulfide) from Synthesis and Process to Applications—A Review

Modification of Solventless‐Synthesized Benzoxazine Resin by Phthalonitrile Group: An Effective Approach for Enhancing Thermal Stability of Polybenzoxazines

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