A new type of unsaturated polyester resin with epoxy functionalized nano‐silica and dimer fatty acid: Preparation and property

Huang, Xue; Guo, Yan‐ting; Yan, Xuming; Yin, Guoqiang; Feng, Guo

doi:10.1002/pat.5701

Cited by 3 publications

(1 citation statement)

References 43 publications

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“…Polyester resins are found working well along with epoxy since they are adequate adhesive [19]. Te unsaturated polyester resin with epoxy unutilized to fabricate E-SiO 2 nanocomposites and achieve the amazing results of Shore A hardness increased by 14.0%, elongation at break by 86.80%, fexural stress by 86.81%, fexural strength by 69.18%, and Young's modulus by 37.03% [20].…”

Section: Constituents Of Compositementioning

confidence: 99%

Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMC

Rajkumar¹,

Sathish²,

Saravanan³

et al. 2023

Advances in Materials Science and Engineering

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This research aims to increase the utility of globally and abundantly available waste natural fibres of Gallus-Gallus fibres coir waste from mattress and car seat manufacturing factories. The composite samples were prepared with a rally round of polyester resin of grade GP500 bio-epoxy by synthesizing specially treated Gallus-Gallus fibres selectively used for reinforcement and characterizing them through static and dynamic mechanical analyses to identify their wide range of applicability. The Gallus-Gallus fibres are preprocessed with sodium oxidative and a half per cent of potassium manganate (VII) chemical solution. The selective use includes 5 mm, 10 mm, 15 mm, and 20 mm length of the Gallus-Gallus fibre, and the quantity of reinforcement was 10%, 20%, and 30%. Five alternate layers of matrix and fibres, with vertical and horizontal orientation, are considered; 12 different samples of Gallus-Gallus fibres reinforced polyester polymer composites and a neat polyester composites were synthesized and characterized for moisture absorbability, tensile strength, tensile modulus, flexural strength, flexural modulus, wear resistance, and outperformed composites were included in microscopic examination and dynamic Mmchanical analysis. The interesting results are the preferred resin, supported for good surface finish, interface bonding, and totally in the enhancement of Composite properties. The composites are strong in tension (760.89 MPa) and sufficiently flexible (flexural modulus 5441.32 MPa), absorbed less moisture (5.8 g), high wear-resistant (least weight loss upon abrasion with a value of 0.1989 g), secured good results in dynamic analysis, and ensured homogeneous distribution of fibres in the matrix through a scanning electron microscopy image. The composites CPPC10, CPPC11, and CPPC12 performed well but composite CPPC12 outperformed.

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Section: Constituents Of Compositementioning

confidence: 99%

Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMC

Rajkumar¹,

Sathish²,

Saravanan³

et al. 2023

Advances in Materials Science and Engineering

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Synchronously strengthening and plasticizing of unsaturated polyester resin based on styrene-maleic anhydride oligomer

Wu,

Lan,

Yao

et al. 2024

Journal of Reinforced Plastics and Composites

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To synchronously strength and plasticize unsaturated polyester resin (UPR), maleic anhydride were directly added in the unsaturated polyester resin solution and form the styrene-maleic anhydride oligomer (SMAO) without initiation. The creating SMAO cross link with UPR by curing reaction, and the prepared UPR resin exhibit higher tensile, elongation, bending strength and higher impact strength simultaneously, 0.45, 0.36, 0.76 and 0.12 times than UPR matrix, SMAO-UPR exhibits obvious plastic fracture characteristics; The DSC result indicates that the curing degree of SMAO-UPR is 96.55% which is 1.45% lower than that of UPR; The TG result indicates that MA and St mainly form an alternating copolymer below 90°C. The SEM and DMA result indicates that SMAO improves the morphology and structure which shows plastic deformation of UPR, and there is a certain interface effect between SMAO and UPR. Compared with the traditional method of large molecular weight SMA modified UPR, this method of reinforcing UPR is better for mechanical property, easy to operate, inexpensive, and highly applicable in industrial production.

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Extraction and characterization of nano-silica particles to enhance mechanical properties of general-purpose unsaturated polyester resin

Engidaw,

Betelie,

Redda

2024

Science and Engineering of Composite Materials

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Unsaturated polyester resin (UPR) is the most versatile liquid polymer with a wide range of applications in every aspect of the industry but it has low impact strength, low elongation at break, and low toughness. Its mechanical properties can be enhanced with the addition of an optimum percentage of nano-silica fillers by using ASTM polymer test standards, which have been followed by various research groups. For this research, enhanced mechanical properties of the resin have been tested for 0.5, 1, 2, 3, and 4% amount by weight fraction of the nano-silica as fiber nanomaterial. The sugar cane bagasse ash was collected from the Wenji Sugar Factory and extracted with the required size of the particle, which is 10 nm. The ability of extraction is used to manipulate the particle size as the researcher needs. The aim is to determine the enhanced mechanical properties of the UPR by the addition of optimum nano-silica particles. Nanoparticles have the effect of filling porous regions, crack path deflection, and crack bridging capability of the material, which provides good adhesion with the matrix to increase the mechanical properties of composite materials. Experimental result dictates that 0.5% nano-silica addition with 10 nm particle size performs best by enhancing the mechanical properties of composite material up to 30.45% for tensile, 33% for compression, 17.8% for flexural, a slightly 10% improvement for impact test and it shows an overall 27% better performance than the pure UPR. Thermal stability and glass transition temperature were not influenced by the addition of nano-silica.

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A new type of unsaturated polyester resin with epoxy functionalized nano‐silica and dimer fatty acid: Preparation and property

Cited by 3 publications

References 43 publications

Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMC

Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMC

Synchronously strengthening and plasticizing of unsaturated polyester resin based on styrene-maleic anhydride oligomer

Extraction and characterization of nano-silica particles to enhance mechanical properties of general-purpose unsaturated polyester resin

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