Mechanical characterization and modeling stress relaxation behavior of acrylic–polyurethane‐based <scp>graft‐interpenetrating</scp> polymer networks

Alizadeh, Nima; Celestine, Asha‐Dee N.; Auad, Marı́a L.; Agrawal, Vinamra

doi:10.1002/pen.25640

Cited by 13 publications

(11 citation statements)

References 59 publications

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“…The internetwork entanglements and cross-linked structure of the participating polymers were eternal and prevent the material from fracture. Entanglements and cross-linked structure leaded to forced compatibility between the two polymers and thus generated the arranged structure within the network structure. , …”

Section: Results and Discussionmentioning

confidence: 99%

A Novel Network-Structured Compatibilizer for Improving the Interfacial Behavior of PBS/Lignin

Zhou

Jiang

et al. 2021

ACS Sustainable Chem. Eng.

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A green poly(butylene succinate) (PBS)−lignin gel compatibilizer with novel network structure was successfully synthesized for the first time via dicumyl peroxide (DCP) initiating free radical grafting of PBS and lignin during melt extrusion. FT-IR confirmed that the PBS and lignin were grafted successfully in the extracted gel. Moreover, the mechanical properties of the gel compatibilizer were greatly affected by the concentration of DCP, and we chose the gel compatibilizer with the best mechanical properties as additives. Thus, the PBS/Lignin/gel compatibilizer alloys (abbreviated to P/L/G) based on PBS, lignin, and gel compatibilizer were obtained. Compared with the PBS/lignin 15% blend (P/L), the elongation at break and tensile strength of P/L/G samples increased by 16.7 and 207.8% with the inclusion of 15 wt % gel compatibilizer. Also, the thermal stability, storage modulus, and elastic modulus of the P/L/G samples were simultaneously enhanced as a consequence of the improved interfacial interaction, evidenced by FT-IR and SEM. The study opens up a pathway to improve the compatibility by a novel network-structured gel compatibilizer for fabricating renewable lignin-based biodegradable materials.

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Section: Results and Discussionmentioning

confidence: 99%

A Novel Network-Structured Compatibilizer for Improving the Interfacial Behavior of PBS/Lignin

Zhou

Jiang

et al. 2021

ACS Sustainable Chem. Eng.

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“…A well-constructed preparation–structure–properties model can be used for performance prediction, structure control, and process optimization. , Over the past few years, several models describing the application properties have been developed. For instance, Wen et al predicted the glass transition temperature of polyimide via all-atom molecular dynamic simulations or machine-learning algorithms .…”

Section: Introductionmentioning

confidence: 99%

Construction of Tensile Strength and Density Prediction Models for Semi-Interpenetrating Polymer Network from Fluoroelastomer and Poly(dimethylsiloxane)

Zheng

Jin

Luo

2022

Ind. Eng. Chem. Res.

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Interpenetrating polymer networks (IPNs) have attracted considerable attention due to the forced miscibility compared with usually incompatible blends. In this article, semi-IPNs composed of linear fluoroelastomer F2314 and cross-linked poly(dimethylsiloxane) (PDMS) were synthesized by changing the mass ratio of F2314/PDMS and the molar ratio of [NCO]/[OH], and the properties of the prepared samples were studied. Differential scanning calorimetry (DSC) and atomic force microscopy (AFM) confirmed the F2314/PDMS semi-IPNs with microphase separation. Considering the unique microscopic structure of the semi-IPNs, the prediction models for the tensile strength and density of semi-IPNs were developed by analyzing the experimental data and calculation data from the kinetic Monte Carlo simulation using the BFGS quasi-Newton algorithm to quantify the effect of the extent of interpenetration on the properties. Furthermore, the performance shows that the prediction errors of the tensile strength and density are within 10 and 2%, respectively.

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“…Among the various methods for preparing composite hydrogel materials, interpenetrating polymer network (IPN) is generally considered to be one of the most effective methods for imparting high-strength mechanical properties as well as controllable swelling and degradation to the hydrogel materials. [13,14] IPN is commonly composed of two polymer networks, whose molecular chains interpenetrate each other, or one of the networks is cross-linked and polymerized in the matrix of the other network. [15,16] It is reported that the IPN hydrogel system has significant fracture toughness and large compressive strain in comparison with traditional hydrogels.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and evaluation of homogeneous alginate/polyacrylamide–chitosan–gelatin composite hydrogel scaffolds based on the interpenetrating networks for tissue engineering

Chen

Yan

Bao

et al. 2021

Polymer Engineering & Sci

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Interpenetrating polymer network (IPN) is generally considered to be one of the most effective methods for imparting high-strength mechanical properties to hydrogel materials. To broaden the application of alginate hydrogel in skeletal muscle or muscle tissue engineering, the interpenetrating network technology and layer-by-layer (LBL) electrostatic assembly were proposed to fabricate the homogeneous alginate/polyacrylamide-chitosangelatin (Alg/PAAM-CS-GT) composite hydrogel scaffolds, using the hydroxyapatite/D-glucono-δ-lactone (HAP/GDL) complex as the gelling system. The effects of different components of alginate/polyacrylamide (Alg/PAAM) on the morphology, mechanical properties, swelling, degradability, and cytocompatibility of the hydrogel scaffolds were comparatively characterized. Experimental results showed that the as-prepared Alg/PAAM-CS-GT composite hydrogel scaffolds exhibited sharp edges and regular 3D structures. Their pore structure could be regulated by changing the content of PAAM in Alg/PAAM-CS-GT composite hydrogel scaffolds. And the filling of PAAM reduced the pores and thickened the pore walls, which obviously enhanced the mechanical properties of Alg/PAAM-CS-GT composite hydrogel scaffolds. FT-IR and thermogravimetric analysis showed that O‧‧‧N hydrogen bonding between COOH of SA and NH 2 of PAAM could be helpful to improve the thermal stability of the composite hydrogel scaffolds. The swelling and biodegradation measurements indicated that the swelling and degradation of Alg/PAAM-CS-GT composite hydrogel scaffolds could be effectively regulated by changing the component content of the composite hydrogel. In addition, the in vitro cytocompatibility analysis showed that the Alg/PAAM-CS-GT composite hydrogel scaffolds could support the growth of MC3T3-E1 cells and promote cell proliferation and differentiation. According to the in vitro cytocompatibility test results, the optimum PAAM content for the Alg/PAAM-CS-GT composite hydrogel scaffolds was 60%. Because of good morphology, well-developed pores, excellent mechanical properties, and high

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Mechanical characterization and modeling stress relaxation behavior of acrylic–polyurethane‐based graft‐interpenetrating polymer networks

Cited by 13 publications

References 59 publications

A Novel Network-Structured Compatibilizer for Improving the Interfacial Behavior of PBS/Lignin

A Novel Network-Structured Compatibilizer for Improving the Interfacial Behavior of PBS/Lignin

Construction of Tensile Strength and Density Prediction Models for Semi-Interpenetrating Polymer Network from Fluoroelastomer and Poly(dimethylsiloxane)

Fabrication and evaluation of homogeneous alginate/polyacrylamide–chitosan–gelatin composite hydrogel scaffolds based on the interpenetrating networks for tissue engineering

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