Nano lamellar pyrophyllite powder and preparation method thereof
The invention discloses a nano lamellar pyrophyllite powder and a preparation method thereof, pyrophyllite raw ore is used as a main raw material, medium and low temperature structured water removal is carried out, then saturated adsorption of a high temperature swellable solution is carried out, ra...
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| creator | LI CHUNSHENG LYU SHUANGSHUANG WU XIAOXIAN |
| description | The invention discloses a nano lamellar pyrophyllite powder and a preparation method thereof, pyrophyllite raw ore is used as a main raw material, medium and low temperature structured water removal is carried out, then saturated adsorption of a high temperature swellable solution is carried out, rapid freezing is carried out to enable part of pyrophyllite lamellar layers to expand and crack, rapid heat treatment is carried out in a range of 200-700 DEG C, and the nano lamellar pyrophyllite powder is obtained. Water adsorbed in the pyrophyllite is quickly vaporized, and the expandable solvent is quickly expanded and decomposed to generate a large amount of gas, so that the lamellar structure of the pyrophyllite is expanded and cracked, and the nano lamellar pyrophyllite is formed. In order to better obtain uniform nanosheet layer pyrophyllite powder, the expanded pyrophyllite raw material is subjected to separation and stripping treatment by assistance of ultrasound or a ball mill, and the thickness of the ob |
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Water adsorbed in the pyrophyllite is quickly vaporized, and the expandable solvent is quickly expanded and decomposed to generate a large amount of gas, so that the lamellar structure of the pyrophyllite is expanded and cracked, and the nano lamellar pyrophyllite is formed. In order to better obtain uniform nanosheet layer pyrophyllite powder, the expanded pyrophyllite raw material is subjected to separation and stripping treatment by assistance of ultrasound or a ball mill, and the thickness of the ob</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES ; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES ; METALLURGY ; NANOTECHNOLOGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES ; TRANSPORTING</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=20220614&DB=EPODOC&CC=CN&NR=114620739A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220614&DB=EPODOC&CC=CN&NR=114620739A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI CHUNSHENG</creatorcontrib><creatorcontrib>LYU SHUANGSHUANG</creatorcontrib><creatorcontrib>WU XIAOXIAN</creatorcontrib><title>Nano lamellar pyrophyllite powder and preparation method thereof</title><description>The invention discloses a nano lamellar pyrophyllite powder and a preparation method thereof, pyrophyllite raw ore is used as a main raw material, medium and low temperature structured water removal is carried out, then saturated adsorption of a high temperature swellable solution is carried out, rapid freezing is carried out to enable part of pyrophyllite lamellar layers to expand and crack, rapid heat treatment is carried out in a range of 200-700 DEG C, and the nano lamellar pyrophyllite powder is obtained. Water adsorbed in the pyrophyllite is quickly vaporized, and the expandable solvent is quickly expanded and decomposed to generate a large amount of gas, so that the lamellar structure of the pyrophyllite is expanded and cracked, and the nano lamellar pyrophyllite is formed. 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Water adsorbed in the pyrophyllite is quickly vaporized, and the expandable solvent is quickly expanded and decomposed to generate a large amount of gas, so that the lamellar structure of the pyrophyllite is expanded and cracked, and the nano lamellar pyrophyllite is formed. In order to better obtain uniform nanosheet layer pyrophyllite powder, the expanded pyrophyllite raw material is subjected to separation and stripping treatment by assistance of ultrasound or a ball mill, and the thickness of the ob</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING |
| title | Nano lamellar pyrophyllite powder and preparation method thereof |
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