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Vinyl acetate - Revision history
2026-04-25T14:35:41Z
Revision history for this page on the wiki
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https://wikimd.org/index.php?title=Vinyl_acetate&diff=6293431&oldid=prev
Prab: CSV import
2025-02-15T10:53:10Z
<p>CSV import</p>
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<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 10:53, 15 February 2025</td>
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<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">''</del>Vinyl <del style="font-weight: bold; text-decoration: none;">acetate''' is an organic compound with the formula CH<sub>3</sub>COOCH=CH<sub>2</sub>. A colorless liquid, it is the precursor to [[polyvinyl acetate]], an important industrial polymer. Vinyl acetate is involved in the production of various polymers and resins used in adhesives, paints, and coatings. Its production and use are significant in the chemical industry, making it a substance of interest in both industrial and environmental contexts.</del></div></td><td class="diff-marker" data-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;">{{DISPLAYTITLE:</ins>Vinyl <ins style="font-weight: bold; text-decoration: none;">Acetate}}</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Production</del>==</div></td><td class="diff-marker" data-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;">Vinyl Acetate </ins>==</div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Vinyl acetate is primarily produced through the </del>[[<del style="font-weight: bold; text-decoration: none;">acetoxylation</del>]] <del style="font-weight: bold; text-decoration: none;">of ethylene, a process that involves the reaction of ethylene with acetic acid in the presence of a catalyst, typically palladium. This method, known as the gas-phase process, has largely replaced older techniques due to its higher efficiency and lower environmental impact.</del></div></td><td class="diff-marker" data-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;">File:Vinylacetaat.svg|thumb|right|200px|Structural formula of vinyl acetate</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">==Applications==</del></div></td><td class="diff-marker" data-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;">'''Vinyl </ins>acetate<ins style="font-weight: bold; text-decoration: none;">''' </ins>is <ins style="font-weight: bold; text-decoration: none;">an organic compound with </ins>the <ins style="font-weight: bold; text-decoration: none;">formula C<sub>4</sub>H<sub>6</sub>O<sub>2</sub>. It is a colorless liquid with </ins>a <ins style="font-weight: bold; text-decoration: none;">sweet</ins>, <ins style="font-weight: bold; text-decoration: none;">fruity odor that </ins>is used <ins style="font-weight: bold; text-decoration: none;">as a monomer </ins>in the <ins style="font-weight: bold; text-decoration: none;">production </ins>of <ins style="font-weight: bold; text-decoration: none;">polyvinyl acetate </ins>and <ins style="font-weight: bold; text-decoration: none;">other important industrial polymers</ins>.</div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">The primary application of vinyl </del>acetate is <del style="font-weight: bold; text-decoration: none;">in </del>the <del style="font-weight: bold; text-decoration: none;">production of [[polyvinyl acetate]] (PVA), </del>a <del style="font-weight: bold; text-decoration: none;">key ingredient in many adhesives</del>, <del style="font-weight: bold; text-decoration: none;">including white glue and other emulsion adhesives. PVA </del>is <del style="font-weight: bold; text-decoration: none;">also </del>used in the <del style="font-weight: bold; text-decoration: none;">manufacture </del>of <del style="font-weight: bold; text-decoration: none;">[[paints]] </del>and <del style="font-weight: bold; text-decoration: none;">coatings, offering properties such as flexibility and resistance to UV radiation</del>.</div></td><td colspan="2" class="diff-side-added"></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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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>Vinyl acetate is <del style="font-weight: bold; text-decoration: none;">also copolymerized with other monomers to produce materials with specific properties. For example, </del>[[<del style="font-weight: bold; text-decoration: none;">ethylene-vinyl acetate</del>]] <del style="font-weight: bold; text-decoration: none;">(EVA) copolymers are flexible </del>and <del style="font-weight: bold; text-decoration: none;">are used in the production of hot-melt adhesives, while </del>[[<del style="font-weight: bold; text-decoration: none;">vinyl acetate </del>ethylene]] (<del style="font-weight: bold; text-decoration: none;">VAE</del>) <del style="font-weight: bold; text-decoration: none;">copolymers are used in paints and coatings </del>for <del style="font-weight: bold; text-decoration: none;">their improved adhesion </del>and <del style="font-weight: bold; text-decoration: none;">water resistance</del>.</div></td><td class="diff-marker" data-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;">== Chemical Structure and Properties ==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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>Vinyl acetate is <ins style="font-weight: bold; text-decoration: none;">an ester of </ins>[[<ins style="font-weight: bold; text-decoration: none;">acetic acid</ins>]] and [[ethylene]]<ins style="font-weight: bold; text-decoration: none;">. Its chemical structure consists of a vinyl group (CH<sub>2</sub>=CH-) attached to the acetoxy group </ins>(<ins style="font-weight: bold; text-decoration: none;">CH<sub>3</sub>COO-</ins>)<ins style="font-weight: bold; text-decoration: none;">. This structure is responsible </ins>for <ins style="font-weight: bold; text-decoration: none;">its reactivity </ins>and <ins style="font-weight: bold; text-decoration: none;">polymerization properties</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Health and Safety</del>==</div></td><td class="diff-marker" data-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;">= Physical Properties =</ins>==</div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Exposure to vinyl </del>acetate <del style="font-weight: bold; text-decoration: none;">can occur through inhalation</del>, <del style="font-weight: bold; text-decoration: none;">ingestion, or skin contact</del>. <del style="font-weight: bold; text-decoration: none;">Acute exposure may result in respiratory </del>and <del style="font-weight: bold; text-decoration: none;">eye irritation, while long</del>-<del style="font-weight: bold; text-decoration: none;">term exposure has been associated with respiratory issues and potential carcinogenic effects</del>. <del style="font-weight: bold; text-decoration: none;">The International Agency for Research on Cancer (IARC) </del>has <del style="font-weight: bold; text-decoration: none;">classified vinyl acetate as </del>a <del style="font-weight: bold; text-decoration: none;">possible human carcinogen (Group 2B)</del>.</div></td><td class="diff-marker" data-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;">Vinyl </ins>acetate <ins style="font-weight: bold; text-decoration: none;">is a volatile</ins>, <ins style="font-weight: bold; text-decoration: none;">flammable liquid with a boiling point of 72</ins>.<ins style="font-weight: bold; text-decoration: none;">7 °C </ins>and <ins style="font-weight: bold; text-decoration: none;">a melting point of </ins>-<ins style="font-weight: bold; text-decoration: none;">93.2 °C</ins>. <ins style="font-weight: bold; text-decoration: none;">It </ins>has a <ins style="font-weight: bold; text-decoration: none;">density of 0.934 g/cm<sup>3</sup> and is slightly soluble in water but miscible with most organic solvents</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Environmental Impact</del>==</div></td><td class="diff-marker" data-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;">= Chemical Properties =</ins>==</div></td></tr>
<tr><td class="diff-marker" data-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>Vinyl acetate can <del style="font-weight: bold; text-decoration: none;">enter the environment through industrial emissions and improper disposal of products containing this compound</del>. <del style="font-weight: bold; text-decoration: none;">In the atmosphere</del>, <del style="font-weight: bold; text-decoration: none;">it rapidly degrades through reaction with photochemically produced hydroxyl radicals. However</del>, <del style="font-weight: bold; text-decoration: none;">its presence in water and soil can pose risks to aquatic life and ecosystems due to its toxicity </del>and <del style="font-weight: bold; text-decoration: none;">potential for bioaccumulation</del>.</div></td><td class="diff-marker" data-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>Vinyl acetate <ins style="font-weight: bold; text-decoration: none;">readily undergoes polymerization to form [[polyvinyl acetate]], a process that </ins>can <ins style="font-weight: bold; text-decoration: none;">be initiated by free radicals</ins>. <ins style="font-weight: bold; text-decoration: none;">It can also participate in copolymerization reactions with other monomers such as [[ethylene]]</ins>, <ins style="font-weight: bold; text-decoration: none;">[[acrylic acid]]</ins>, and <ins style="font-weight: bold; text-decoration: none;">[[vinyl chloride]]</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Regulation</del>==</div></td><td class="diff-marker" data-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;">Production </ins>==</div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Due to its health </del>and <del style="font-weight: bold; text-decoration: none;">environmental impacts, </del>the <del style="font-weight: bold; text-decoration: none;">production, use, and disposal </del>of <del style="font-weight: bold; text-decoration: none;">vinyl acetate are subject to regulation in many countries</del>. <del style="font-weight: bold; text-decoration: none;">Regulations aim to minimize exposure and environmental release, ensuring safe handling and use </del>of <del style="font-weight: bold; text-decoration: none;">this chemical in industrial applications</del>.</div></td><td class="diff-marker" data-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;">Vinyl acetate is produced industrially by the reaction of ethylene </ins>and <ins style="font-weight: bold; text-decoration: none;">acetic acid with oxygen in </ins>the <ins style="font-weight: bold; text-decoration: none;">presence </ins>of <ins style="font-weight: bold; text-decoration: none;">a palladium catalyst</ins>. <ins style="font-weight: bold; text-decoration: none;">This process is known as the "acetoxylation" </ins>of <ins style="font-weight: bold; text-decoration: none;">ethylene</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;"><br></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;"><br></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">See Also</del>==</div></td><td class="diff-marker" data-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;">Applications </ins>==</div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">* </del>[[<del style="font-weight: bold; text-decoration: none;">Polymerization</del>]]</div></td><td class="diff-marker" data-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;">Vinyl acetate is primarily used in the production of polyvinyl acetate, which is a key ingredient in adhesives, paints, and coatings. It is also used in the manufacture of [[polyvinyl alcohol]] and [[ethylene-vinyl acetate]] (EVA) copolymers, which have applications in packaging films, foams, and hot-melt adhesives.</ins></div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Copolymer</del>]]</div></td><td class="diff-marker" data-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 class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Adhesive</del>]]</div></td><td class="diff-marker" data-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;">== Health and Safety ==</ins></div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Paint</del>]]</div></td><td class="diff-marker" data-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;">Vinyl acetate is classified as a hazardous substance. It can cause irritation to the eyes, skin, and respiratory system. Prolonged exposure may have more serious health effects, and it is important to handle it with appropriate safety precautions.</ins></div></td></tr>
<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">Coating</del>]]</div></td><td class="diff-marker" data-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" class="diff-side-deleted"></td><td class="diff-marker" data-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;">== Environmental Impact ==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">Vinyl acetate can contribute to air pollution and has the potential to form </ins>[[<ins style="font-weight: bold; text-decoration: none;">ground-level ozone</ins>]] <ins style="font-weight: bold; text-decoration: none;">when released into the atmosphere. It is important to control emissions during its production and use.</ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">== Related Pages ==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">Polyvinyl acetate</ins>]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">Ethylene-vinyl acetate</ins>]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">Acetic acid</ins>]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">Polymer chemistry</ins>]]</div></td></tr>
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<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>[[Category:Organic compounds]]</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>[[Category:Organic compounds]]</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-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;">[[Category:Vinyl compounds]]</ins></div></td></tr>
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<tr><td class="diff-marker" data-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 style="font-weight: bold; text-decoration: none;">[[Category:Industrial chemicals]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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https://wikimd.org/index.php?title=Vinyl_acetate&diff=5435429&oldid=prev
Prab: CSV import
2024-03-22T02:26:38Z
<p>CSV import</p>
<p><b>New page</b></p><div>''Vinyl acetate''' is an organic compound with the formula CH<sub>3</sub>COOCH=CH<sub>2</sub>. A colorless liquid, it is the precursor to [[polyvinyl acetate]], an important industrial polymer. Vinyl acetate is involved in the production of various polymers and resins used in adhesives, paints, and coatings. Its production and use are significant in the chemical industry, making it a substance of interest in both industrial and environmental contexts.<br />
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==Production==<br />
Vinyl acetate is primarily produced through the [[acetoxylation]] of ethylene, a process that involves the reaction of ethylene with acetic acid in the presence of a catalyst, typically palladium. This method, known as the gas-phase process, has largely replaced older techniques due to its higher efficiency and lower environmental impact.<br />
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==Applications==<br />
The primary application of vinyl acetate is in the production of [[polyvinyl acetate]] (PVA), a key ingredient in many adhesives, including white glue and other emulsion adhesives. PVA is also used in the manufacture of [[paints]] and coatings, offering properties such as flexibility and resistance to UV radiation.<br />
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Vinyl acetate is also copolymerized with other monomers to produce materials with specific properties. For example, [[ethylene-vinyl acetate]] (EVA) copolymers are flexible and are used in the production of hot-melt adhesives, while [[vinyl acetate ethylene]] (VAE) copolymers are used in paints and coatings for their improved adhesion and water resistance.<br />
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==Health and Safety==<br />
Exposure to vinyl acetate can occur through inhalation, ingestion, or skin contact. Acute exposure may result in respiratory and eye irritation, while long-term exposure has been associated with respiratory issues and potential carcinogenic effects. The International Agency for Research on Cancer (IARC) has classified vinyl acetate as a possible human carcinogen (Group 2B).<br />
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==Environmental Impact==<br />
Vinyl acetate can enter the environment through industrial emissions and improper disposal of products containing this compound. In the atmosphere, it rapidly degrades through reaction with photochemically produced hydroxyl radicals. However, its presence in water and soil can pose risks to aquatic life and ecosystems due to its toxicity and potential for bioaccumulation.<br />
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==Regulation==<br />
Due to its health and environmental impacts, the production, use, and disposal of vinyl acetate are subject to regulation in many countries. Regulations aim to minimize exposure and environmental release, ensuring safe handling and use of this chemical in industrial applications.<br />
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==See Also==<br />
* [[Polymerization]]<br />
* [[Copolymer]]<br />
* [[Adhesive]]<br />
* [[Paint]]<br />
* [[Coating]]<br />
<br />
[[Category:Organic compounds]]<br />
[[Category:Monomers]]<br />
[[Category:Industrial chemicals]]<br />
{{Chem-stub}}</div>
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