Replacement of styrene with acrylated epoxidized soybean oil in an unsaturated polyester resin from propylene glycol, isophthalic acid, and maleic anhydride

Wu, Yili; Li, Kaichang

doi:10.1002/app.43052

Cited by 24 publications

(15 citation statements)

References 16 publications

(27 reference statements)

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“…Pot‐life of ESO–SA mixtures was determined following the procedure reported elsewhere (Wu & Li, ), with some modifications. Oscillatory test was performed with an Anton Paar MCR 301 rheometer (Graz, Austria) with parallel plate geometry with a diameter of 25 mm and a gap of 0.4 mm.…”

Section: Methodsmentioning

confidence: 99%

Pressure Sensitive Adhesives Based on Epoxidized Soybean Oil: Correlation Between Curing Conditions and Rheological Properties

Ciannamea

Ruseckaite

2018

J Americ Oil Chem Soc

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Renewable resources, including vegetable oils, can be used as feedstock for the manufacture of pressure sensitive adhesives (PSA) that can compete with those derived from petrochemical sources, but with the environmental benefit of being sustainable. Completely bio-based PSA with tunable viscoelastic properties were synthesized from mixtures of epoxidized soybean oil and sebacic acid by a solvent-free one-step reaction, in the absence of catalyst. Curing conditions and pot-life were determined for formulations with stoichiometric acid/epoxy ratio. Curing time ranged from the gel point (t gel ) to t gel + 30 min at the selected temperature (170 C) to study the correlation between the reaction, rheological behavior, and potential adhesive performance. These renewable PSA can be tailored by controlling the curing parameters according to the desired application, since the rheological profile and gel content were greatly dependent on the curing conditions. In particular, the obtained adhesives cured at 170 C between 65 and 75 min showed the best balance between tack and cohesion.Keywords Sebacic acid Á Renewable Á Bio-based Á Dicarboxylic acids Á Viscoelastic properties J Am Oil Chem Soc (2018) 95: 525-532.

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Section: Methodsmentioning

confidence: 99%

Pressure Sensitive Adhesives Based on Epoxidized Soybean Oil: Correlation Between Curing Conditions and Rheological Properties

Ciannamea

Ruseckaite

2018

J Americ Oil Chem Soc

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“…Consequently, the crosslinking density and interfacial reaction between reinforcement and the matrix can be improved significantly, leading to the enhancement of storage modulus, Tg and water resistance. As a nonvolatile and nonhazardous chemical, AESO is a suitable replacement for styrene in unsaturated polyester (UPE) resin to obtain hybrid polymer networks [90][91][92][93][94]. The UPE with unsaturated sites works as the co-monomer for AESO, and the final products usually exhibit comparable properties to correspondingly styrene-based products.…”

Section: Thermal Initiation Of Aesomentioning

confidence: 99%

Bio-Based Epoxy Resin from Epoxidized Soybean Oil

Tang¹,

Chen²,

Gao³

et al. 2019

Soybean - Biomass, Yield and Productivity

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Epoxidized soybean oil (ESO) is the oxidation product of soybean oil with hydrogen peroxide and either acetic or formic acid obtained by converting the double bonds into epoxy groups, which is non-toxic and of higher chemical reactivity. ESO is mainly used as a green plasticizer for polyvinyl chloride, while the reactive epoxy groups imply its great potential in both the monomer synthesis and the polymer preparation fields. Functional polymers are obtained by different kinds of reactions of the ESO with co-monomers and/or initiators shown in this chapter. The emphasis is on ESO based epoxy cross-linked polymers which recently gained strong interest and allowed new developments especially from both an academic point of view and an industrial point of view. It is believed that new ring-opening reagents may facilitate the synthesis of good structural ESO based materials.

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“…The unsaturation of the polymer backbone allows curing of UPs with an unsaturated monomer via radical polymerization reactions. The incorporation of low molecular weight monomers as reactive diluents (RDs) enables fine-tuning of the cured UPR properties, such as the viscosity, processability, thermal and mechanical properties [ 4 ]. It is important to note that all reactants involved in the synthesis contribute to the final set of UPR properties.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Reactive Diluent for Bio-Based Unsaturated Polyester Resin: A Rheological and Thermomechanical Study

et al. 2021

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Nowadays, unsaturated polyester resins (UPR) are mainly obtained from non-renewable resources. The ever-increasing regulations and the continuous demand for more sustainability have led to extensive research towards more environmentally suitable alternatives to petroleum-based materials. However, one of the main disadvantages of bio-based UPR is their relatively high viscosity compared to petrochemical ones. In order to overcome this drawback, in this work, we investigated the possibility to lower the resin viscosity utilizing a mixture of dimethyl itaconate (DMI) and methyl methacrylate (MMA) as a reactive diluent. The effect of the DMI and MMA ratio on resin rheological properties was investigated. The optimal curing parameters were determined and all UPRs had a high gel content, which was shown to be dependent on the DMI and MMA ratio in the formulation. Furthermore, thermomechanical and mechanical properties of the resulting network were also found to be affected by the used reactive diluent mixture. A small substitution of DMI by MMA proved to be advantageous since it offers lower resin viscosity and improved mechanical properties.

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Replacement of styrene with acrylated epoxidized soybean oil in an unsaturated polyester resin from propylene glycol, isophthalic acid, and maleic anhydride

Cited by 24 publications

References 16 publications

Pressure Sensitive Adhesives Based on Epoxidized Soybean Oil: Correlation Between Curing Conditions and Rheological Properties

Pressure Sensitive Adhesives Based on Epoxidized Soybean Oil: Correlation Between Curing Conditions and Rheological Properties

Bio-Based Epoxy Resin from Epoxidized Soybean Oil

Optimization of Reactive Diluent for Bio-Based Unsaturated Polyester Resin: A Rheological and Thermomechanical Study

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