Method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography
The invention discloses a method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography, comprising the following steps of: measuring the molecular weights of mixture raw materials of a silica solution, tetraethoxysilane and prepolymerized tetraethoxysilane a...
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| creator | LI TONG YE XIONGWEN TANG TAO XU CHANCHAN |
| description | The invention discloses a method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography, comprising the following steps of: measuring the molecular weights of mixture raw materials of a silica solution, tetraethoxysilane and prepolymerized tetraethoxysilane and intermediate product of poly-tetraethoxysilane, a silica solution and gel, which are used for synthesizing the silica gel microballoons, by adopting a gel chromatographic system; monitoring the synthesizing reaction condition of the silica gel microballoons according to the determined molecular weight information and adjusting the proportions of reactors as required so as to effectively monitor the synthesizing progress and batch reproducibility of the silica gel microballoons. The method has the advantages of accuracy, visualization, rapidity, less sampling quantity and the like. |
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The method has the advantages of accuracy, visualization, rapidity, less sampling quantity and the like.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>INORGANIC CHEMISTRY</subject><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0EKwjAQAHPxIOof1gcULBV7LkXxoifvJY2bZiHNhmwKtq9XxAd4msPMrJW9YXb8BMsJRg6UOVEYQOaQHQoJsAUhT0bDgB5GMol77T1zEOhnmPJHLt-FFizwZfwkxAGMSzzqzEPS0c1btbLaC-5-3Kj95fxorwVG7lCiNhgwd-29PJR1dTzVZVP907wBDBJA2w</recordid><startdate>20100616</startdate><enddate>20100616</enddate><creator>LI TONG</creator><creator>YE XIONGWEN</creator><creator>TANG TAO</creator><creator>XU CHANCHAN</creator><scope>EVB</scope></search><sort><creationdate>20100616</creationdate><title>Method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography</title><author>LI TONG ; YE XIONGWEN ; TANG TAO ; XU CHANCHAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN101734671A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2010</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>LI TONG</creatorcontrib><creatorcontrib>YE XIONGWEN</creatorcontrib><creatorcontrib>TANG TAO</creatorcontrib><creatorcontrib>XU CHANCHAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI TONG</au><au>YE XIONGWEN</au><au>TANG TAO</au><au>XU CHANCHAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography</title><date>2010-06-16</date><risdate>2010</risdate><abstract>The invention discloses a method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography, comprising the following steps of: measuring the molecular weights of mixture raw materials of a silica solution, tetraethoxysilane and prepolymerized tetraethoxysilane and intermediate product of poly-tetraethoxysilane, a silica solution and gel, which are used for synthesizing the silica gel microballoons, by adopting a gel chromatographic system; monitoring the synthesizing reaction condition of the silica gel microballoons according to the determined molecular weight information and adjusting the proportions of reactors as required so as to effectively monitor the synthesizing progress and batch reproducibility of the silica gel microballoons. 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| subjects | CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY NON-METALLIC ELEMENTS PHYSICS TESTING |
| title | Method for monitoring synthesis of silica gel microballoons by utilizing size-exclusion chromatography |
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