https://cameo.mfa.org/index.php?title=Drying_oil&feed=atom&action=history Drying oil - Revision history 2024-03-29T04:32:13Z Revision history for this page on the wiki MediaWiki 1.35.3 https://cameo.mfa.org/index.php?title=Drying_oil&diff=79295&oldid=prev MDerrick at 20:12, 21 August 2020 2020-08-21T20:12:29Z <p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:12, 21 August 2020</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l10" >Line 10:</td> <td colspan="2" class="diff-lineno">Line 10:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[[SliderGallery rightalign|Drying oil.TIF~FTIR (MFA)]]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[[SliderGallery rightalign|Drying oil.TIF~FTIR (MFA)]]]</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del class="diffchange diffchange-inline">Additional Information </del>==</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins class="diffchange diffchange-inline">Resources and Citations </ins>==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">° </del>L. Masschelein-Kleiner, ''Ancient Binding Media, Varnishes and Adhesives'', ICCROM, Rome 1995.  </div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">* </ins>L. Masschelein-Kleiner, ''Ancient Binding Media, Varnishes and Adhesives'', ICCROM, Rome 1995.  </div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">° </del>J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">* </ins>J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">== Sources Checked for Data in Record ==</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966</div></td></tr> </table> MDerrick https://cameo.mfa.org/index.php?title=Drying_oil&diff=66224&oldid=prev EMysak at 16:04, 11 March 2020 2020-03-11T16:04:16Z <p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:04, 11 March 2020</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >Line 9:</td> <td colspan="2" class="diff-lineno">Line 9:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Examples include: linseed oil; tung oil; perilla oil; sunflower oil; hempseed oil; safflower oil; lumbang oil; oiticica oil; stillingia oil; walnut oil</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Examples include: linseed oil; tung oil; perilla oil; sunflower oil; hempseed oil; safflower oil; lumbang oil; oiticica oil; stillingia oil; walnut oil</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[[SliderGallery rightalign|Drying oil.TIF~FTIR (MFA)]]]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Additional Information ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Additional Information ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> </table> EMysak https://cameo.mfa.org/index.php?title=Drying_oil&diff=49637&oldid=prev Jruggiero: Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==" 2016-05-01T01:55:48Z <p>Text replace - &quot;== Authority ==&quot; to &quot;== Sources Checked for Data in Record ==&quot;</p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:55, 1 May 2016</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l15" >Line 15:</td> <td colspan="2" class="diff-lineno">Line 15:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del class="diffchange diffchange-inline">Authority </del>==</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins class="diffchange diffchange-inline">Sources Checked for Data in Record </ins>==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966</div></td></tr> </table> Jruggiero https://cameo.mfa.org/index.php?title=Drying_oil&diff=44220&oldid=prev GEthier: /* Additional Information */ 2014-01-14T21:32:37Z <p><span dir="auto"><span class="autocomment">Additional Information</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:32, 14 January 2014</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11" >Line 11:</td> <td colspan="2" class="diff-lineno">Line 11:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Additional Information ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Additional Information ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>° L. Masschelein-Kleiner, ''Ancient Binding Media, Varnishes and Adhesives'', ICCROM, Rome 1995. ° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>° L. Masschelein-Kleiner, ''Ancient Binding Media, Varnishes and Adhesives'', ICCROM, Rome 1995.  </div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Authority ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Authority ==</div></td></tr> </table> GEthier https://cameo.mfa.org/index.php?title=Drying_oil&diff=44219&oldid=prev GEthier: /* Description */ 2014-01-14T21:32:25Z <p><span dir="auto"><span class="autocomment">Description</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:32, 14 January 2014</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Description ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Description ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Any [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=vegetable%20oil </del>vegetable oil] that will form a solid, nontacky film when spread into a thin layer and exposed to air for a few days. Drying oils solidify by polymerization and oxidation reactions that occur at the unsaturated carbon double bond (C=C) sites of some of their fatty acids. The greater the number of double bond sites available for reactions, the faster the oil will dry. All drying oils have at least 65% polyunsaturated fatty acids ([<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>oleic<del class="diffchange diffchange-inline">%20acid </del>oleic], [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>linoleic<del class="diffchange diffchange-inline">%20acid </del>linoleic], etc.). This high degree of unsaturation is indicated by a high iodine number (usually 120 - 200). Drying oils are obtained from the seeds, skins, and fruits of several plants, such as flax ([<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>linseed<del class="diffchange diffchange-inline">%20oil </del>linseed]), [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>poppy<del class="diffchange diffchange-inline">%20seed%20oil </del>poppy], [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>walnut<del class="diffchange diffchange-inline">%20oil </del>walnut], [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>safflower<del class="diffchange diffchange-inline">%20oil </del>safflower], and [<del class="diffchange diffchange-inline">http://cameo.mfa.org/materials/fullrecord.asp?name=</del>sunflower<del class="diffchange diffchange-inline">%20oil </del>sunflower]. Drying oils are mixed with pigments and used in artists paints or mixed with resins and used as varnishes and coatings. They have been used as a primary artist medium since the 15th century and may have been used as early as the 12th century. Driers, or siccatives, can be added to the oil-based paint to speed its drying time.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Any [<ins class="diffchange diffchange-inline">[</ins>vegetable oil<ins class="diffchange diffchange-inline">]</ins>] that will form a solid, nontacky film when spread into a thin layer and exposed to air for a few days. Drying oils solidify by polymerization and oxidation reactions that occur at the unsaturated carbon double bond (C=C) sites of some of their fatty acids. The greater the number of double bond sites available for reactions, the faster the oil will dry. All drying oils have at least 65% polyunsaturated fatty acids ([<ins class="diffchange diffchange-inline">[</ins>oleic <ins class="diffchange diffchange-inline">acid|</ins>oleic<ins class="diffchange diffchange-inline">]</ins>], [<ins class="diffchange diffchange-inline">[</ins>linoleic <ins class="diffchange diffchange-inline">acid|</ins>linoleic<ins class="diffchange diffchange-inline">]</ins>], etc.). This high degree of unsaturation is indicated by a high iodine number (usually 120 - 200). Drying oils are obtained from the seeds, skins, and fruits of several plants, such as flax ([<ins class="diffchange diffchange-inline">[</ins>linseed <ins class="diffchange diffchange-inline">oil|</ins>linseed<ins class="diffchange diffchange-inline">]</ins>]), [<ins class="diffchange diffchange-inline">[</ins>poppy <ins class="diffchange diffchange-inline">seed oil|</ins>poppy<ins class="diffchange diffchange-inline">]</ins>], [<ins class="diffchange diffchange-inline">[</ins>walnut <ins class="diffchange diffchange-inline">oil|</ins>walnut<ins class="diffchange diffchange-inline">]</ins>], [<ins class="diffchange diffchange-inline">[</ins>safflower <ins class="diffchange diffchange-inline">oil|</ins>safflower<ins class="diffchange diffchange-inline">]</ins>], and [<ins class="diffchange diffchange-inline">[</ins>sunflower <ins class="diffchange diffchange-inline">oil|</ins>sunflower<ins class="diffchange diffchange-inline">]</ins>]. Drying oils are mixed with pigments and used in artists paints or mixed with resins and used as varnishes and coatings. They have been used as a primary artist medium since the 15th century and may have been used as early as the 12th century. Driers, or siccatives, can be added to the oil-based paint to speed its drying time.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Synonyms and Related Terms ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Synonyms and Related Terms ==</div></td></tr> </table> GEthier https://cameo.mfa.org/index.php?title=Drying_oil&diff=30199&oldid=prev at 12:46, 24 July 2013 2013-07-24T12:46:51Z <p></p> <p><b>New page</b></p><div>== Description ==<br /> <br /> Any [http://cameo.mfa.org/materials/fullrecord.asp?name=vegetable%20oil vegetable oil] that will form a solid, nontacky film when spread into a thin layer and exposed to air for a few days. Drying oils solidify by polymerization and oxidation reactions that occur at the unsaturated carbon double bond (C=C) sites of some of their fatty acids. The greater the number of double bond sites available for reactions, the faster the oil will dry. All drying oils have at least 65% polyunsaturated fatty acids ([http://cameo.mfa.org/materials/fullrecord.asp?name=oleic%20acid oleic], [http://cameo.mfa.org/materials/fullrecord.asp?name=linoleic%20acid linoleic], etc.). This high degree of unsaturation is indicated by a high iodine number (usually 120 - 200). Drying oils are obtained from the seeds, skins, and fruits of several plants, such as flax ([http://cameo.mfa.org/materials/fullrecord.asp?name=linseed%20oil linseed]), [http://cameo.mfa.org/materials/fullrecord.asp?name=poppy%20seed%20oil poppy], [http://cameo.mfa.org/materials/fullrecord.asp?name=walnut%20oil walnut], [http://cameo.mfa.org/materials/fullrecord.asp?name=safflower%20oil safflower], and [http://cameo.mfa.org/materials/fullrecord.asp?name=sunflower%20oil sunflower]. Drying oils are mixed with pigments and used in artists paints or mixed with resins and used as varnishes and coatings. They have been used as a primary artist medium since the 15th century and may have been used as early as the 12th century. Driers, or siccatives, can be added to the oil-based paint to speed its drying time.<br /> <br /> == Synonyms and Related Terms ==<br /> <br /> drying oils (pl.); aceite secante (Esp.); olio siccativo (It) <br /> <br /> Examples include: linseed oil; tung oil; perilla oil; sunflower oil; hempseed oil; safflower oil; lumbang oil; oiticica oil; stillingia oil; walnut oil<br /> <br /> == Additional Information ==<br /> <br /> ° L. Masschelein-Kleiner, ''Ancient Binding Media, Varnishes and Adhesives'', ICCROM, Rome 1995. ° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth-Heinemann, London, 1994.<br /> <br /> == Authority ==<br /> <br /> * R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966<br /> <br /> * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971<br /> <br /> * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)<br /> <br /> * ASTM, &quot;Standard Terminology Relating to Paint, Varnish, Lacquer and Related Products&quot;, Annual Book of ASTM Standards, Section 6, Paints, Related Coatings and Aromatics, ASTM, D16, 7-Jan, Jul-96<br /> <br /> * Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000<br /> <br /> <br /> <br /> [[Category:Materials database]]</div>