Preparation method of reactive brilliant orange dye
The invention relates to a preparation method of a reactive brilliant orange dye. The preparation method comprises the steps: heating J acid, and adding liquid caustic soda, and dissolving to obtain aJ acid dissolved solution; cooling the dissolved solution, and separating out crystals; continuing t...
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| creator | ZHU YOUQIANG WANG GUOLIN |
| description | The invention relates to a preparation method of a reactive brilliant orange dye. The preparation method comprises the steps: heating J acid, and adding liquid caustic soda, and dissolving to obtain aJ acid dissolved solution; cooling the dissolved solution, and separating out crystals; continuing to cool, continuing to separate out crystals, and after spots are clear, carrying out filter pressing to obtain high-purity refined J acid; adding cyanuric chloride into ice water, and carrying out pulping treatment, to obtain a pulping liquid; adding solid para-ester into the pulping liquid, addinga mixed alkali solution, carrying out alkali adjustment, carrying out primary condensation reaction to obtain a primary condensation product, and heating to adjust the pH value to hydrolyze free cyanuric chloride when the primary condensation end point is reached; adding the refined J acid into the primary condensation product, and carrying out secondary condensation reaction to obtain a secondary condensation product; ad |
| format | Patent |
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The preparation method comprises the steps: heating J acid, and adding liquid caustic soda, and dissolving to obtain aJ acid dissolved solution; cooling the dissolved solution, and separating out crystals; continuing to cool, continuing to separate out crystals, and after spots are clear, carrying out filter pressing to obtain high-purity refined J acid; adding cyanuric chloride into ice water, and carrying out pulping treatment, to obtain a pulping liquid; adding solid para-ester into the pulping liquid, addinga mixed alkali solution, carrying out alkali adjustment, carrying out primary condensation reaction to obtain a primary condensation product, and heating to adjust the pH value to hydrolyze free cyanuric chloride when the primary condensation end point is reached; adding the refined J acid into the primary condensation product, and carrying out secondary condensation reaction to obtain a secondary condensation product; ad</description><language>chi ; eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; LAKES ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; MORDANTS ; NATURAL RESINS ; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; PAINTS ; POLISHES</subject><creationdate>2020</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=20200107&DB=EPODOC&CC=CN&NR=110655806A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200107&DB=EPODOC&CC=CN&NR=110655806A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHU YOUQIANG</creatorcontrib><creatorcontrib>WANG GUOLIN</creatorcontrib><title>Preparation method of reactive brilliant orange dye</title><description>The invention relates to a preparation method of a reactive brilliant orange dye. 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| language | chi ; eng |
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| subjects | ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES |
| title | Preparation method of reactive brilliant orange dye |
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