Features of the Formation of Adsorption Centers of Thermally Modified High-Silica Porous Glasses
The results are presented on studies of the content of Lewis and Brønsted centers on the internal surface of high-silica porous glass (PG) obtained by the through chemical etching of alkali-borosilicate glass with the two-frame structure, including the one modified by an isothermal treatment in an e...
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| Veröffentlicht in: | Glass physics and chemistry 2020-09, Vol.46 (5), p.400-404 |
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| creator | Tsyganova, T. A. Antropova, T. V. Mjakin, S. V. Anfimova, I. N. |
| description | The results are presented on studies of the content of Lewis and Brønsted centers on the internal surface of high-silica porous glass (PG) obtained by the through chemical etching of alkali-borosilicate glass with the two-frame structure, including the one modified by an isothermal treatment in an electric furnace in air in the temperature range from 120 to 750°C. The content of the active surface centers is determined by the adsorption of the acid-base indicators with different р
K
а
values. For all samples under investigation, the predominance of hydroxyl groups over siloxane ones is established, which indicates a high degree of surface hydroxylation; and the extreme dependence of the content of surface centers on the heat treatment temperature with the pronounced maximum at 650°C is found. |
| doi_str_mv | 10.1134/S1087659620050120 |
| format | Article |
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K
а
values. For all samples under investigation, the predominance of hydroxyl groups over siloxane ones is established, which indicates a high degree of surface hydroxylation; and the extreme dependence of the content of surface centers on the heat treatment temperature with the pronounced maximum at 650°C is found.</description><identifier>ISSN: 1087-6596</identifier><identifier>EISSN: 1608-313X</identifier><identifier>DOI: 10.1134/S1087659620050120</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Adsorption ; Borosilicate glass ; Ceramics ; Characterization and Evaluation of Materials ; Chemical etching ; Chemistry and Materials Science ; Composites ; Electric furnaces ; Frame structures ; Glass ; Heat treatment ; Hydroxyl groups ; Hydroxylation ; Isothermal treatment ; Materials Science ; Natural Materials ; Physical Chemistry ; Silica glass ; Silicon dioxide ; Siloxanes ; Surface chemistry</subject><ispartof>Glass physics and chemistry, 2020-09, Vol.46 (5), p.400-404</ispartof><rights>Pleiades Publishing, Ltd. 2020</rights><rights>Pleiades Publishing, Ltd. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-ba7986efa7c2faabaa44c430dd4f711be67ec07bd5c7f750cd93a03d0b6063ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1087659620050120$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1087659620050120$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Tsyganova, T. A.</creatorcontrib><creatorcontrib>Antropova, T. V.</creatorcontrib><creatorcontrib>Mjakin, S. V.</creatorcontrib><creatorcontrib>Anfimova, I. N.</creatorcontrib><title>Features of the Formation of Adsorption Centers of Thermally Modified High-Silica Porous Glasses</title><title>Glass physics and chemistry</title><addtitle>Glass Phys Chem</addtitle><description>The results are presented on studies of the content of Lewis and Brønsted centers on the internal surface of high-silica porous glass (PG) obtained by the through chemical etching of alkali-borosilicate glass with the two-frame structure, including the one modified by an isothermal treatment in an electric furnace in air in the temperature range from 120 to 750°C. The content of the active surface centers is determined by the adsorption of the acid-base indicators with different р
K
а
values. For all samples under investigation, the predominance of hydroxyl groups over siloxane ones is established, which indicates a high degree of surface hydroxylation; and the extreme dependence of the content of surface centers on the heat treatment temperature with the pronounced maximum at 650°C is found.</description><subject>Adsorption</subject><subject>Borosilicate glass</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical etching</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Electric furnaces</subject><subject>Frame structures</subject><subject>Glass</subject><subject>Heat treatment</subject><subject>Hydroxyl groups</subject><subject>Hydroxylation</subject><subject>Isothermal treatment</subject><subject>Materials Science</subject><subject>Natural Materials</subject><subject>Physical Chemistry</subject><subject>Silica glass</subject><subject>Silicon dioxide</subject><subject>Siloxanes</subject><subject>Surface chemistry</subject><issn>1087-6596</issn><issn>1608-313X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kF9LwzAUxYMoOKcfwLeCz9WbJk3axzHcJkwUNsG3miY3W0fXzKR92Ldftwk-iE_3z_mdc-ESck_hkVLGnxYUMinSXCQAKdAELsiACshiRtnnZd_3cnzUr8lNCBsAyKXkA_I1QdV2HkPkbNSuMZo4v1Vt5ZrjYmSC87vTNMamRX_ClmvsmbreR6_OVLZCE82q1TpeVHWlVfTuvOtCNK1VCBhuyZVVdcC7nzokH5Pn5XgWz9-mL-PRPNaJyNq4VDLPBFoldWKVKpXiXHMGxnArKS1RSNQgS5NqaWUK2uRMATNQChBMIRuSh3PuzrvvDkNbbFznm_5kkfCUCiYzyXuKnintXQgebbHz1Vb5fUGhOD6y-PPI3pOcPaFnmxX63-T_TQfEWHXZ</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Tsyganova, T. A.</creator><creator>Antropova, T. V.</creator><creator>Mjakin, S. V.</creator><creator>Anfimova, I. N.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200901</creationdate><title>Features of the Formation of Adsorption Centers of Thermally Modified High-Silica Porous Glasses</title><author>Tsyganova, T. A. ; Antropova, T. V. ; Mjakin, S. V. ; Anfimova, I. N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c268t-ba7986efa7c2faabaa44c430dd4f711be67ec07bd5c7f750cd93a03d0b6063ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adsorption</topic><topic>Borosilicate glass</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical etching</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Electric furnaces</topic><topic>Frame structures</topic><topic>Glass</topic><topic>Heat treatment</topic><topic>Hydroxyl groups</topic><topic>Hydroxylation</topic><topic>Isothermal treatment</topic><topic>Materials Science</topic><topic>Natural Materials</topic><topic>Physical Chemistry</topic><topic>Silica glass</topic><topic>Silicon dioxide</topic><topic>Siloxanes</topic><topic>Surface chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tsyganova, T. A.</creatorcontrib><creatorcontrib>Antropova, T. V.</creatorcontrib><creatorcontrib>Mjakin, S. V.</creatorcontrib><creatorcontrib>Anfimova, I. N.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Glass physics and chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tsyganova, T. A.</au><au>Antropova, T. V.</au><au>Mjakin, S. V.</au><au>Anfimova, I. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Features of the Formation of Adsorption Centers of Thermally Modified High-Silica Porous Glasses</atitle><jtitle>Glass physics and chemistry</jtitle><stitle>Glass Phys Chem</stitle><date>2020-09-01</date><risdate>2020</risdate><volume>46</volume><issue>5</issue><spage>400</spage><epage>404</epage><pages>400-404</pages><issn>1087-6596</issn><eissn>1608-313X</eissn><abstract>The results are presented on studies of the content of Lewis and Brønsted centers on the internal surface of high-silica porous glass (PG) obtained by the through chemical etching of alkali-borosilicate glass with the two-frame structure, including the one modified by an isothermal treatment in an electric furnace in air in the temperature range from 120 to 750°C. The content of the active surface centers is determined by the adsorption of the acid-base indicators with different р
K
а
values. For all samples under investigation, the predominance of hydroxyl groups over siloxane ones is established, which indicates a high degree of surface hydroxylation; and the extreme dependence of the content of surface centers on the heat treatment temperature with the pronounced maximum at 650°C is found.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1087659620050120</doi><tpages>5</tpages></addata></record> |
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| subjects | Adsorption Borosilicate glass Ceramics Characterization and Evaluation of Materials Chemical etching Chemistry and Materials Science Composites Electric furnaces Frame structures Glass Heat treatment Hydroxyl groups Hydroxylation Isothermal treatment Materials Science Natural Materials Physical Chemistry Silica glass Silicon dioxide Siloxanes Surface chemistry |
| title | Features of the Formation of Adsorption Centers of Thermally Modified High-Silica Porous Glasses |
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