Ethylene and dimethyl acetals from hydroformylated linseed, soybean, and safflower methyl esters as plasticizers for polyvinyl chloride View Full Text


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Article Info

DATE

1974-05

AUTHORS

R. A. Awl, E. N. Frankel, E. H. Pryde, G. R. Riser

ABSTRACT

Dimethyl and ethylene acetals of polyformylated unsaturated fatty esters were prepared, characterized, and evaluated as polyvinyl chloride plasticizers. Dimethyl acetals were prepared with trimethyl orthoformate as a water scavenger in the acid catalyzed acetalation reaction. With ethylene acetals, water was removed azeotropically. Although the acetals prepared were mixtures, molecular distillation gave diacetal esters of 80–90% purity and triacetal esters of 80–95% purity. The samples were characterized by gas liquid chromatography and by IR and NMR spectra. Compared to di-2-ethylhexyl phthalate as a plasticizer for polyvinyl chloride, the triacetal esters (both dimethyl and ethylene acetals) gave less migration and at least equivalent volatility characteristics; the triacetals also gave equivalent compatibility and strength, but somewhat less desirable low temperature and heat stability properties. The diacetal esters also had good compatibility, equivalent strength, somewhat better low temperature, but less desirable migration and volatility properties. More... »

PAGES

224-228

References to SciGraph publications

  • 1972-01. Selective hydroformylation of polyunsaturated fats with a rhodium-triphenylphosphine catalyst in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1971-05. Alkyl azelaaldehydates of high purity from alkyl soyates: Preparation and properties in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1972-04. Acetal derivatives of methyl 9(10)-formylstearate: Plasticizers for PVC in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1971-05. Methyl 9(10)-formylstearate by selective hydroformylation of oleic oils in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1967-01. Acetalization of aldehyde oils by catalysis with cation-exchange resins in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
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    http://scigraph.springernature.com/pub.10.1007/bf02632899

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    http://dx.doi.org/10.1007/bf02632899

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