Synthesis and Properties of Destructible Anionic Surfactants with a 1, 3-Dioxolane Ring and Their Use as Emulsifier for Emulsion Polymerization

Yamamura, Shingo; Nakamura, Masaki; Kasai, Kiyoshi; Sato, Hozumi; Takeda, Takeshi

doi:10.5650/jos1956.40.1002

Cited by 19 publications

(13 citation statements)

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“…Removal of surfactants following conventional emulsion polymerization is another method to prepare 'surfactant-free' polymers [4,5]. We have recently succeeded in preparation of ionic component-free polystyrene (PSt) by emulsion polymerization using an alkali-hydrolysable cationic surfactant with a betaine ester group, (1-tetradecyloxycarbonylmethyl)trimethylammonium chloride (C 14 B), as an emulsifier followed by addition of a small amount of alkali [6].…”

Section: Introductionmentioning

confidence: 99%

Preparation of surfactant-free vinyl polymers by conventional emulsion polymerization using hydrolysable emulsifiers

et al. 2011

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Emulsion polymerizations of several vinyl monomers, styrene, methyl methacrylate, butyl methacrylate, butyl acrylate, and vinyl acetate, in water using alkali-hydrolysable cationic surfactants with a betaine ester group, (1-alkoxycarbonylmethyl)trimethylammonium chlorides, as emulsifiers were carried out and properties of the resulting latices and the polymers recovered by hydrolysis and salting out were investigated. There were little influences of the surfactants and monomers used here on the polymerizations, forming stable and monodisperse latices with a mean diameter of ca. 70 nm and giving a high molecular weight of polymers at high yields. All polymers were precipitated and recovered by adding a small amount of sodium hydroxide into the latex solutions contained little amount of ionic species. Solvent-cast films of the polymers were found to have surfaces as hydrophobic as those for the corresponding pure polymers prepared by bulk polymerization.

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Section: Introductionmentioning

confidence: 99%

Preparation of surfactant-free vinyl polymers by conventional emulsion polymerization using hydrolysable emulsifiers

et al. 2011

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“…Foaming properties were evaluated by the semi-micro TK method with a 0.02 wt% aqueous solution at 25 (24). Wetting ability was estimated by the sedimentation time of a piece of felt (JIS-R28W, 15 were evaluated by being stirred in aqueous hydrochloric acid. In this procedure, 0.02 M of surfactant, 30 mg of dodecane or tetradecane as an internal standard for GLC and hydrochloric acid were placed in the mixture of water (20 mL) and hexane (10 mL) in a 50-mL Erlenmeyer flask equipped with a stopper and stirred.…”

Section: Physical Propertiesmentioning

confidence: 99%

“…We have prepared various types of chemocleavable surfactants (11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23) bearing an acetal group, a 1,3-dioxolane ring or an ester group and evaluated their properties. Their surface-active properties including solubility in water and detergency toward cotton cloth were higher than the conventional soap.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Properties of Soap Types of Double-Chain Cleavable Surfactants Derived from Pyruvate

et al. 2004

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Novel double-chain cleavable surfactants bearing an acetal group were easily prepared by acid-catalyzed condensation of pyruvate with fatty alcohols (octyl, decyl, dodecyl) followed by alkaline hydrolysis without any expensive reagents and special equipments. These surfactants showed easier micelle formation and greater ability to lower surface tension compared to those of sodium dodecanoate and the previously reported single-chain cleavable surfactant. These double-chain compounds showed good foaming properties at 0.02 wt%. The wetting times of 0.02 wt% the compounds were almost the same as those of 1 wt% sodium dodecanoate. They decomposed completely after 40 min at pH 1. Their biodegradabilities were higher or almost the same as that of sodium dodecanoate.

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“…These surfactants may degrade by chemical means including acid and alkali [23][24][25][26][27][28], heat [29], light [30], and ozone [31]. Great attention has been drawn to probing the acid-and alkali-labile surfactants due to their superior controllability and their environmentally friendlier and potential industrial application [22].…”

Section: Introductionmentioning

confidence: 99%

Fluorescence Spectroscopy Study on the Interaction of Acetal Cleavable Anionic Surfactants and Bovine Serum Albumin

et al. 2014

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The interactions between bovine serum albumin (BSA) and two cleavable anionic surfactants, sodium 3-[(2-nonyl-1,3-dioxolan-4-yl)methoxy]propane-1-sulfonate (SNPS) and sodium 3,3 -(2-nonyl-1,3-dioxane-5,5-diyl)bis(methylene)bis(oxy)dipropane-1-sulfonate (SNDPS), have been studied by means of fluorescence spectroscopy and thermodynamic analysis. The fluorescence of BSA is quenched via a static quenching mechanism with the addition of the surfactants. The binding constants of the surfactants and proteins have been measured, with (SNPS) = 8.71 × 10 4 M −1 and (SNDPS) = 7.08 × 10 4 M −1 , respectively. The interaction between surfactants and BSA is mainly of hydrophobic nature, based on the number of binding sites, n[n(SNPS) = 1.57, n(SNDPS) = 1.47], and the thermodynamic relationship. These results suggest that SNPS and SNDPS could be effective protein denaturants for protein separation and analysis.

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Synthesis and Properties of Destructible Anionic Surfactants with a 1, 3-Dioxolane Ring and Their Use as Emulsifier for Emulsion Polymerization

Cited by 19 publications

References 0 publications

Preparation of surfactant-free vinyl polymers by conventional emulsion polymerization using hydrolysable emulsifiers

Preparation of surfactant-free vinyl polymers by conventional emulsion polymerization using hydrolysable emulsifiers

Synthesis and Properties of Soap Types of Double-Chain Cleavable Surfactants Derived from Pyruvate

Fluorescence Spectroscopy Study on the Interaction of Acetal Cleavable Anionic Surfactants and Bovine Serum Albumin

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