PROCESS FOR THE MANUFACTURE OF POLYCARBONATE COMPOSITIONS
The present invention relates to a method for continuously manufacturing polycarbonate, the continuous manufacturing method comprising: binding an aromatic dihydroxy compound stream and a diaryl carbonate stream to form a mixture; adjusting a weight ratio or a molar ratio of the diaryl carbonate wit...
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| creator | AVILES ISABEL MACIAN FERNANDEZ IGNACIO VIC |
| description | The present invention relates to a method for continuously manufacturing polycarbonate, the continuous manufacturing method comprising: binding an aromatic dihydroxy compound stream and a diaryl carbonate stream to form a mixture; adjusting a weight ratio or a molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound, wherein the weight ratio or the molar ratio is adjusted by measuring velocity (Vs) of sound in the mixture at an working temperature of adjusting step; determining the weight ratio or the molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound in the mixture; adjusting one or more of flow rate of the aromatic dihydroxy compound stream and the diaryl carbonate stream, as necessary, to achieve the desired weight ratio or molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound; and polymerizing the aromatic dihydroxy compound and the diaryl carbonate in the presence of a catalyst to manufacture the polycarbonate. |
| format | Patent |
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adjusting a weight ratio or a molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound, wherein the weight ratio or the molar ratio is adjusted by measuring velocity (Vs) of sound in the mixture at an working temperature of adjusting step; determining the weight ratio or the molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound in the mixture; adjusting one or more of flow rate of the aromatic dihydroxy compound stream and the diaryl carbonate stream, as necessary, to achieve the desired weight ratio or molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound; and polymerizing the aromatic dihydroxy compound and the diaryl carbonate in the presence of a catalyst to manufacture the polycarbonate.</description><language>eng ; kor</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; 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FERNANDEZ IGNACIO VIC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20140147756A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2014</creationdate><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>MEASURING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>AVILES ISABEL MACIAN</creatorcontrib><creatorcontrib>FERNANDEZ IGNACIO VIC</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AVILES ISABEL MACIAN</au><au>FERNANDEZ IGNACIO VIC</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR THE MANUFACTURE OF POLYCARBONATE COMPOSITIONS</title><date>2014-12-30</date><risdate>2014</risdate><abstract>The present invention relates to a method for continuously manufacturing polycarbonate, the continuous manufacturing method comprising: binding an aromatic dihydroxy compound stream and a diaryl carbonate stream to form a mixture; adjusting a weight ratio or a molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound, wherein the weight ratio or the molar ratio is adjusted by measuring velocity (Vs) of sound in the mixture at an working temperature of adjusting step; determining the weight ratio or the molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound in the mixture; adjusting one or more of flow rate of the aromatic dihydroxy compound stream and the diaryl carbonate stream, as necessary, to achieve the desired weight ratio or molar ratio of the diaryl carbonate with respect to the aromatic dihydroxy compound; and polymerizing the aromatic dihydroxy compound and the diaryl carbonate in the presence of a catalyst to manufacture the polycarbonate.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEASURING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PROCESS FOR THE MANUFACTURE OF POLYCARBONATE COMPOSITIONS |
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