Preparation method of bisphenol A epoxy resin with low toluene residue
The invention provides a preparation method of bisphenol A epoxy resin with low toluene residue, and belongs to the technical field of epoxy resin synthesis. In the washing process, a mode of combining macroscopic stirring and mixing with microscopic molecular mixing is adopted, so that organic chlo...
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| creator | ZHANG CAIFU REN HUA LYU LIYING BAO XIUQUN |
| description | The invention provides a preparation method of bisphenol A epoxy resin with low toluene residue, and belongs to the technical field of epoxy resin synthesis. In the washing process, a mode of combining macroscopic stirring and mixing with microscopic molecular mixing is adopted, so that organic chlorine, inorganic chlorine and residual phase transfer catalyst generated in the reaction process can be fully washed off, the adsorption of the phase transfer catalyst to toluene is avoided, and the removal of toluene in the subsequent reduced pressure distillation process is facilitated. According to the method provided by the invention, the toluene residue of the bisphenol A epoxy resin can be greatly reduced, and the result of the embodiment shows that the toluene residue of the bisphenol A epoxy resin prepared by the method can be reduced to below 10ppm, and the organic chlorine/inorganic chlorine is reduced to 0.001 mol/100g.
本发明提供了一种低甲苯残留双酚A环氧树脂的制备方法，属于环氧树脂合成技术领域。本发明在水洗的过程中采用宏观搅拌混合与微观级分子混合结合的方式，能够充分洗去反应过程中产生的有 |
| format | Patent |
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本发明提供了一种低甲苯残留双酚A环氧树脂的制备方法，属于环氧树脂合成技术领域。本发明在水洗的过程中采用宏观搅拌混合与微观级分子混合结合的方式，能够充分洗去反应过程中产生的有</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220510&DB=EPODOC&CC=CN&NR=114456353A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220510&DB=EPODOC&CC=CN&NR=114456353A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG CAIFU</creatorcontrib><creatorcontrib>REN HUA</creatorcontrib><creatorcontrib>LYU LIYING</creatorcontrib><creatorcontrib>BAO XIUQUN</creatorcontrib><title>Preparation method of bisphenol A epoxy resin with low toluene residue</title><description>The invention provides a preparation method of bisphenol A epoxy resin with low toluene residue, and belongs to the technical field of epoxy resin synthesis. In the washing process, a mode of combining macroscopic stirring and mixing with microscopic molecular mixing is adopted, so that organic chlorine, inorganic chlorine and residual phase transfer catalyst generated in the reaction process can be fully washed off, the adsorption of the phase transfer catalyst to toluene is avoided, and the removal of toluene in the subsequent reduced pressure distillation process is facilitated. According to the method provided by the invention, the toluene residue of the bisphenol A epoxy resin can be greatly reduced, and the result of the embodiment shows that the toluene residue of the bisphenol A epoxy resin prepared by the method can be reduced to below 10ppm, and the organic chlorine/inorganic chlorine is reduced to 0.001 mol/100g.
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本发明提供了一种低甲苯残留双酚A环氧树脂的制备方法，属于环氧树脂合成技术领域。本发明在水洗的过程中采用宏观搅拌混合与微观级分子混合结合的方式，能够充分洗去反应过程中产生的有</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Preparation method of bisphenol A epoxy resin with low toluene residue |
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