Evaluation of soy‐based surface active copolymers as surfactant ingredients in model shampoo formulations

Popadyuk, Andriy; Kalita, Harjyoti; Chisholm, Bret J.; Voronov, Аndriy

doi:10.1111/ics.12153

Cited by 7 publications

(2 citation statements)

References 29 publications

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“…Thus, surfactant efficacy is expressed in terms of DD. We have seen that in spite of many workers investigating DD, it has so far been studied only qualitatively by eye estimation (Bisht, Jacob, & Chandy, ; Deshmukh, Kaushal, & Ghode, ; Kumar & Mali, ; Popadyuk, Kalita, Chisholm, & Voronov, ). To the best of our knowledge, this is the first ever report on quantification of DD.…”

Section: Introductionmentioning

confidence: 99%

An Alternative Approach for Determining Critical Micelle Concentration: Dispersion of Ink in Foam

Pradhan

Bhattacharyya

2018

J Surfact & Detergents

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The present work investigates the critical micelle concentration (CMC) of nonionic surfactant solutions using a new approach by monitoring the dirt dispersion (DD) defined as the amount of dirt absorbed by foam using India ink as a model dirt. DD has so far been studied qualitatively by eye estimation. Our quantification studies show that DD increases with increasing surfactant concentration and reaches a maximum. After this, it decreases and becomes very small. The concentration for which DD is maximum corresponds to the CMC, as determined from surface tension measurements. The CMC of natural surfactants obtained from plants Sapindus mukorossi, Albizia procera, Juglans regia, Zephyranthes carinata, and Acacia concinna was determined. The CMC obtained by DD are in reasonably good agreement with those obtained using the surface tension method. The DD method is easy, rapid, and inexpensive and can become an effective tool for estimating the CMC.

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Section: Introductionmentioning

confidence: 99%

An Alternative Approach for Determining Critical Micelle Concentration: Dispersion of Ink in Foam

Pradhan

Bhattacharyya

2018

J Surfact & Detergents

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“…The authors have developed a plant-oil-based polymer technology that enables linear polymers to be produced that possess fatty acid ester pendent groups. − As illustrated in Figure , the plant oil polymer technology involves the production of a vinyl ether monomer from a plant oil by base-catalyzed transesterification . This vinyl ether monomer is then converted to homopolymers and copolymers using cationic polymerization.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Polyurethane Networks Derived from Soybean-Oil-Based Cyclic Carbonates and Bioderivable Diamines

Samanta

Selvakumar

Bahr

et al. 2016

ACS Sustainable Chem. Eng.

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Nonisocyanate polyurethane (NIPU) thermoset networks were produced from a novel soybean-oil-derived poly(vinyl ether) (i.e., poly[(2-vinyoxy)ethyl soyate]) possessing cyclic carbonate functional groups in the fatty acid ester side chains of the polymer. Three different linear aliphatic diamines, namely, 1,6-hexamethylenediamine, 1,9-nonanediamine, and 1,13-tridecanediamine, were used to cross-link the cyclic carbonate-functional poly[(2-vinyoxy)ethyl soyate] [C-poly(2-VOES)]. All three of these diamines can be readily obtained from renewable resources. For comparison purposes, analogous NIPU networks were produced using cyclic carbonate-functional soybean oil (CSBO) in place of the C-poly(2-VOES). The chemical, thermal, viscoelastic, and mechanical properties of the six NIPU networks were characterized. With regard to the chemical nature of the soy-based, carbonate-functional component, it was found that the polymeric nature of C-poly(2-VOES) resulted in very different NIPU properties compared to analogous cross-linked networks based on CSBO. While the CSBO-based NIPU networks exhibited lower Young’s moduli and ductile behavior, the networks based on C-poly(2-VOES) showed significantly higher Young’s moduli and brittle behavior. In addition, measurements using dynamic mechanical analysis showed significantly high cross-link densities for the networks based on C-poly(2-VOES), which can be attributed to a much higher number of methine carbon atoms per molecule in C-poly(2-VOES) as compared to CSBO. In addition to the cross-links resulting from the reaction of the amine groups of the cross-linker with the cyclic carbonate groups of the soy-based carbonate-functional materials, these methine carbon atoms serve as cross-links in the NIPU networks. The higher cross-link densities achieved with the use of C-poly(2-VOES) explain the thermal and mechanical property differences observed between networks based on the two different soy-based carbonate-functional materials. With regard to the influence of the diamines on NIPU network properties, as expected, increasing the chain length of the diamine cross-linker decreased cross-link density, which, in general, resulted in decreases in Young’s moduli and glass transition temperature.

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Novel alkyd-type coating resins produced using cationic polymerization

et al. 2015

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Evaluation of soy‐based surface active copolymers as surfactant ingredients in model shampoo formulations

Cited by 7 publications

References 29 publications

An Alternative Approach for Determining Critical Micelle Concentration: Dispersion of Ink in Foam

An Alternative Approach for Determining Critical Micelle Concentration: Dispersion of Ink in Foam

Synthesis and Characterization of Polyurethane Networks Derived from Soybean-Oil-Based Cyclic Carbonates and Bioderivable Diamines

Novel alkyd-type coating resins produced using cationic polymerization

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