Structure-Property Studies of Thermoplastic and Thermosetting Polyurethanes Using Palm and Soya Oils-Based Polyols

Mohammed, Issam Ahmed; Al-Mulla, Emad A. Jaffar; Kadar, Nurul Khizien Abdul; Ibrahim, Mohamad Faizal

doi:10.5650/jos.62.1059

Cited by 21 publications

(15 citation statements)

References 28 publications

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“…Moreover, oil‐based polyols can provide numerous benefits to the material, such as high resistance, high stiffness, low toxicity, and increased potential for biodegradability . Although different vegetable oils, such as palm, soybean, and canola oils, have been used in the synthesis of PUs, castor oil is one of the most employed because it naturally possesses hydroxyl groups . The great interest in the use of castor oil derives from its chemical structure, and it is related to the wide range of reactions available from oleochemistry and the novel materials that can be synthesized from it.…”

Section: Introductionmentioning

confidence: 99%

“…6,9 Although different vegetable oils, such as palm, soybean, and canola oils, 10 have been used in the synthesis of PUs, castor oil is one of the most employed because it naturally possesses hydroxyl groups. [10][11][12] The great interest in the use of castor oil derives from its chemical structure, and it is related to the wide range of reactions available from oleochemistry and the novel materials that can be synthesized from it. Castor oil is a triglyceride that consists predominantly of the triglyceride of ricinoleic acid (12-hydroxyoleic acid).…”

Section: Introductionmentioning

confidence: 99%

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Comparative effects of two different crosslinkers on the properties of vegetable oil‐based polyurethanes

Meiorin

Calvo‐Correas

Mosiewicki

et al. 2019

J of Applied Polymer Sci

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Thermoset polyurethanes (PUs) were prepared from a polyol derived from castor oil, 4,4′‐methylene diphenyl diisocyanate (MDI) and different trifunctional low‐molecular‐weight crosslinkers, biobased glycerol (Gly) and petroleum‐derived trimethylolpropane (TMP). The synthesis was carried out in bulk and without catalyst via one‐step polymerization varying the components equivalent weight ratio, Polyol:MDI:Gly and Polyol:MDI:TMP, respectively. The physicochemical, morphological, thermal, dynamic–mechanical, and mechanical properties of the PUs were determined. The success of the reaction between the polyol and MDI was confirmed by Fourier transform infrared spectroscopy. The dynamic–mechanical and the mechanical properties as well as hardness were determined and related to the concentration of the low‐molecular‐weight crosslinkers utilized (Gly or TMP). However, important differences were observed between the synthesized two series, due to phase separation produced during the curing reaction, which affected more the materials prepared from TMP. Scanning electron microscopy images and dynamic–mechanical results confirmed this difference, related to the reactivity of primary and secondary hydroxyls present in the crosslinkers. Thermogravimetric analysis also showed to be sensible to the different structure of the crosslinkers with TMP leading to more thermally stable samples. Finally, measurements of water contact angle indicated that the surfaces were mostly hydrophobic with minor differences between the samples. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48741.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative effects of two different crosslinkers on the properties of vegetable oil‐based polyurethanes

Meiorin

Calvo‐Correas

Mosiewicki

et al. 2019

J of Applied Polymer Sci

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“…metal and ceramic reinforcements offer striking routes to certain unique magnetic, electronic, optical or catalytic properties coming from inorganic nanoparticles, which add to other polymer properties such as processibility and film forming capability. Using this approach, polymers can be improved while keeping their lightweight and ductile nature [19][20][21]. Aim of this work was to produce a new PMNC material made from (SR8100) epoxy, and nano (TiO 2 ) filler, and detect its properties.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of New Epoxy/titanium Dioxide Nanocomposite

Mutoki¹,

Al-Ghzawi²,

Abdullah³

et al. 2015

Nano BioMed ENG

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Titanium dioxide nano filler (TiO 2 ) with (10 nm) particle size, and (0.5 wt%) was used as a dopant to epoxy type (SR8100), polymer matrix nanocomposite (PMNC) was prepared by hot vibration dispersion, and tested using FTIR, and UV spectra. It has been found that transmission of (PMNC) largely enhanced, and absorption of UV radiation reaches up to (52%) at (500 nm), (50%) at (1000 nm), and never drop to zero.

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“…Vegetable oil with the major composition of triglycerides, and saturated and unsaturated fatty acids has gained significant scientific attention as natural resources for research and development works in substitution of petroleum sources as it is present abundantly and is an economic biological source [19,20] . Polyol derived from vegetable oils acts an important precursor in the polymer synthesis, and subsequently the polymerization is carried out with different raw materials to produce various types of polymers, such as alkyd-epoxy resin [21] , hydrogels [22] polyurethanes [23][24][25][26] , polyesters [27,28] and poly(alkyd urethane)s [29] .…”

Section: Introductionmentioning

confidence: 99%

Synthesis, characterization and antibacterial activity of novel poly(silyl ether)s based on palm and soy oils

et al. 2018

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In this research, palm oil and soy oil were used as a natural polyol to prepare novel poly(silyl ether)s. Palm oil and soy oil were first converted to monoglyceride by one step via alcoholysis process in the presence of 0.1% CaO as a catalyst. The monoglycerides were characterized by Fourier transform infrared spectrometer (FT-IR), nuclear magnetic resonance (NMR) and iodine test. The novel poly(silyl ether)s were prepared via polycondensation reaction between dimethyldichlorosilane with monoglycerides based on palm and soy oils, respectively. FT-IR, NMR and silicone-29 (29 Si NMR) were used to confirm and determine the presence of silicone in the synthesized polymers. Thermal behavior was studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Antibacterial activity of the polymers was screened against three different strains of bacteria, namely Escherichia coli E266, Staphylococcus aureus S276 and Salmonella choleeraesuis 10708.

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Structure-Property Studies of Thermoplastic and Thermosetting Polyurethanes Using Palm and Soya Oils-Based Polyols

Cited by 21 publications

References 28 publications

Comparative effects of two different crosslinkers on the properties of vegetable oil‐based polyurethanes

Comparative effects of two different crosslinkers on the properties of vegetable oil‐based polyurethanes

Synthesis and Characterization of New Epoxy/titanium Dioxide Nanocomposite

Synthesis, characterization and antibacterial activity of novel poly(silyl ether)s based on palm and soy oils

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