Disproportionation of rosin from Pinus elliotti : obtention of emulsifier for polymerization
dc.contributor.author | Zucolotto, Monica | pt_BR |
dc.contributor.author | Rocha, Edmundo Cidade da | pt_BR |
dc.contributor.author | Holleben, Maria Luiza Ambros von | pt_BR |
dc.date.accessioned | 2024-04-25T05:50:26Z | pt_BR |
dc.date.issued | 1995 | pt_BR |
dc.identifier.issn | 0100-4042 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/275047 | pt_BR |
dc.description.abstract | The pulverized, molten or solubilized, rosin from Pinus elliotti was disproportionated by using S, NaI, S and I₂ or Pd/C as catalysts. The disproportionated rosin was saponified in aqueous or alcoholic KOH solutions. The quality control of the resulting soaps revealed the disproportionation in the presence of Pd/C and of S and l₂ yields potassium abietate and dehydroabietate ratio in accordance to the industrial specifications, thus being adequate for use as emulsifiers. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Quimica Nova. Sao Paulo, S.P. Vol. 18, n. 1 (1995), p. 78-79 | pt_BR |
dc.rights | Open Access | en |
dc.subject | Resinas naturais | pt_BR |
dc.subject | Rosin | en |
dc.subject | Breu : Desproporcionação | pt_BR |
dc.subject | Emulsifier | en |
dc.subject | Polimerizacao : Emulsificantes | pt_BR |
dc.subject | Polymerazation | en |
dc.title | Disproportionation of rosin from Pinus elliotti : obtention of emulsifier for polymerization | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 000259740 | pt_BR |
dc.type.origin | Nacional | pt_BR |
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