Biobased Polyurethanes Prepared from Different Vegetable Oils

Zhang, Chaoqun; Madbouly, Samy A.; Kessler, Michael R.

doi:10.1021/am5071333

Cited by 291 publications

(203 citation statements)

References 33 publications

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“…6 The most widely used renewable resources include vegetable oils, polysaccharides (mainly cellulose, and starch), lignin, natural rubber, and proteins. [7][8][9] Among them, soybean oils are one of the most widely investigated platform chemicals to replace petroleum-based chemical in the preparation of biobased thermosets because of their abundant availability, sustainability, and relatively low cost. [10][11][12] Soybean oils are composed of approximately 99% of triglycerides.…”

Section: Introductionmentioning

confidence: 99%

Bio-based reactive diluents as sustainable replacements for styrene in MAESO resin

Zhang

Thakur

et al. 2018

RSC Adv.

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Four different biorenewable methacrylated/acrylated monomers, namely, methacrylated fatty acid (MFA), methacrylated eugenol (ME), isobornyl methacrylate (IM), and isobornyl acrylate (IA) were employed as reactive diluents (RDs) to replace styrene (St) in a maleinated acrylated epoxidized soybean oil (MAESO) resin to produce bio-based thermosetting resins using free radical polymerization. The curing kinetics, gelation times, double bond conversions, thermal-mechanical properties, and thermal stabilities of MAESO-RD resin systems were characterized using DSC, rheometer, FT-IR, DMA, and TGA. The results indicate that all four RD monomers possess high bio-based carbon content (BBC) ranging from 63.2 to 76.9% and low volatilities (less than 7 wt% loss after being held isothermally at 30 C for 5 h). Moreover, the viscosity of the MAESO-RD systems can be tailored to acceptable levels to fit the requirements for liquid molding techniques. Because of the introduction of RDs to the MAESO resin, the reaction mixtures showed an improved reactivity and an accelerated reaction rate. FT-IR results showed that almost all the C]C double bonds within MAESO-RD systems were converted. The glass transition temperatures (T g ) of the MAESO-RDs ranged from 44.8 to 100.8 C, thus extending the range of application. More importantly, the T g of MAESO-ME resin (98.1 C) was comparable to that of MAESO-St resin (100.8 C).Overall, this work provided four potential RDs candidates to completely replace styrene in the MAESO resin, with the ME monomer being the most promising one.

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Section: Introductionmentioning

confidence: 99%

Bio-based reactive diluents as sustainable replacements for styrene in MAESO resin

Zhang

Thakur

et al. 2018

RSC Adv.

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“…Vegetable oils are the most promising raw materials due to their abundance and are readily available and inexpensive [ 26 ], and there are few attempts by several research groups in developing SMPU based on vegetable oils. Therefore, this subtopic will highlight recent developments involving segmented SMPU elastomers based on vegetable oil as well as the conventional petrochemical-based SMPU in the following section.…”

Section: Current Scenario On Shape Memory Polyurethanementioning

confidence: 99%

“…Since then, a number of studies are devoted by several research groups on the modifi cation of vegetable oils for SMPU preparation [ 60 ]. Zhang and coworkers [ 26 ] developed a novel method to produce vegetable oil-based polyols using a solvent/catalyst-free pathway as an effort to produce 100 % bio-based polyols for SMPU preparation. They studied the effect of different vegetable oil (olive, canola, castor, grape seed, and linseed oils)-derived polyols as a soft segment in SMPU.…”

Section: Vegetable Oil-based Shape Memory Polyurethanementioning

confidence: 99%

Polyurethane-Based Smart Polymers

Zain

Zubir

2016

Industrial Applications for Intelligent Polymers and Coatings

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Polyurethane is a highly versatile polymer that may be used in various types of applications with a wide range of properties. The combination of different types and ratios of isocyanate and polyol allows for the control of the desired end properties. Due to its unique properties, it has found applications in the fi elds of medical, military, automobile, and aerospace industries. Recently, there has been a prodigious interest in producing polyurethane-based smart polymers, especially shape memory polyurethane (SMPU). This is due to its excellent ability to change shape upon the application of external stimuli such as heat, electric fi eld, magnetic fi eld, and light. The existence of phase-separated structure known as soft-and hard-segment domains contributes toward the shape memory properties of polyurethane. The soft-segment domains are responsible for maintaining the temporary shape, while hard segments fi x the permanent shape. This chapter comprehensively aims to address a wide overview of polyurethane-based smart polymer and the chemistry behind the shape memory properties. In addition, this chapter also summarizes the recent studies on the exploration of SMPU using vegetable oils along with petroleum-based polyol and the potential applications of smart polyurethane.

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“…It is produced from the reaction between the polyol and the diisocyanate. The properties of the polyurethane can be altered by changing the type of the diisocyanate, diol, polyol and crosslinker precursors [8][9][10]. Cross-linked polyurethanes have better thermal and thermomechanical properties and a good shape memory effect than linear polyurethane [11][12].…”

Section: Introductionmentioning

confidence: 99%