Polymerizable monomers from castor oil. I. Vinyl monomers based on undecenoic acid

Kulkarni, N. G.; Krishnamurti, N.; Chatterjee, P. C.; Aggarwal, J. S.

doi:10.1007/bf02655510

Cited by 11 publications

(1 citation statement)

References 10 publications

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“…[40] An evaluation of the polymerization characteristics was performed, however, no results have been reported. Potential applications for these monomers are situated in the coatings industry.…”

Section: Unsaturated Monomersmentioning

confidence: 99%

Undecylenic Acid: A Valuable and Physiologically Active Renewable Building Block from Castor Oil

2009

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A lot of attention is currently being paid to the transition to a biobased economy. In this movement, most efforts concentrate on the development of bioenergy applications including bioethanol, biodiesel, thermochemical conversion of biomass, and others. However, in the energy sector other nonbiomass alternatives are known, whereas no valuable alternatives are available when thinking about chemical building blocks. Therefore, it is also essential to develop new routes for the synthesis of bio-based chemicals and materials derived thereof. Such intermediates can originate either from plants or from animals. Castor oil is a non-edible oil extracted from the seeds of the castor bean plant Ricinus communis (Euphorbiaceae), which grows in tropical and subtropical areas. Globally, around one million tons of castor seeds are produced every year, the leading producing areas being India, PR China, and Brazil.2 10-Undecenoic acid or undecylenic acid is a fatty acid derived from castor oil that, owing to its bifunctional nature, has many possibilities to develop sustainable applications.

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Section: Unsaturated Monomersmentioning

confidence: 99%

Undecylenic Acid: A Valuable and Physiologically Active Renewable Building Block from Castor Oil

2009

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Polymerisable Monomers from 18‐Hydroxystearic Acid

Kulkarni

Krishnamurti

Chatterjee

et al. 1971

Fette, Seifen, Anstrichm.

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Fourteen different vinyl monomers have been synthesised, based on 18‐hydroxy‐stearic acid – the major component fatty acid of kamala seed oil. The monomers were characterised by infrared spectroscopy and their purity ascertained by chromatographic methods. Boiling/melting points, refractive indices and iodine values of the products have been reported. Thin‐layer chromatography of a few of these monomers and of the analogous monomers prepared from 12‐hydroxystearic acid, has been carried out.

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Vinyl Monomers from Stearic Acid ‐ their Characterization and Separation

Sitaramam

Krishnamurti

Chatterjee

et al. 1983

Fette, Seifen, Anstrichm.

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In diese Untersuchungen wurden auch einige Wachsmischungen einbezogen. Dabei zeigte sich sehr deutlich der starke EintluB der Kristallinitat auf die Hoppler-Harte. Das besonders grobkristalline Adipinsauredistearylat (ADS) hat nur eine Harte von 88 bar und ist so sprode, daB bei 30 N Belastung die Priifkorper regelmaBig zerspringen (Abb. 20). Ein Zusatz von 5 Montanestenvachs ergibt ein wesentlich feinkristallineres Wachs mit einer Harte von 187 bar; welches auchBelastungenvon 24 und 30 N ohne Bruchvorgange aus-halt (Abb. 21). Noch extremer wirkt ein Zusatz von 1 0111 LDPE-Wachs-Oxidat (Abb. 22). Das resultierende Wachs ist noch wesentlich feinkristalliner und hat mit 265 bar die dreifache Harte, obwohl auch der Zusatz nur eine Harte von 133 bar hat. Man kann also Wachse durch Gefiigeveriinderungen ahnlich wie Stahl harten. Eingegangen a m 4. Febmar 1983. B y B . S . S i t a r a m a m , N. K r i s h n a m u r t i , P C . C h a t t e r j e e andM. A. S i v a s a m b a n * A variety of vinyl monomers derived from stearic acid and stealyl alcohol Vinylmonomere aus Stearindureihre Identifizierung und n e nnung hiichster Reinheit dargestellt. Ihre Trennung mittels Diinnschicht-und Gaschromatographie sowie ihre Identifizierung durch kernmagnetische Resonanzspektroskopie (NMR) werden behandelt. have been prepared i n high purity. Their by thin-'ayer and gas-ZahlreicheVinylmonomere aus Stearinssure und Stearylalkohol wurdenin liquid chromatographic techniques, as also their characterization by proton magnetic resonance spectroscopy (PMR) have been discussed. 8.5. Jahrgang Nr. 4 i!)n:+ FETTE . SEIFEN . ANSTRICHMITTEL Vinyl Monomers from Stearic Acidtheir Characterization and Separation

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Polymerizable monomers from castor oil. I. Vinyl monomers based on undecenoic acid

Cited by 11 publications

References 10 publications

Undecylenic Acid: A Valuable and Physiologically Active Renewable Building Block from Castor Oil

Undecylenic Acid: A Valuable and Physiologically Active Renewable Building Block from Castor Oil

Polymerisable Monomers from 18‐Hydroxystearic Acid

Vinyl Monomers from Stearic Acid ‐ their Characterization and Separation

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