METHOD FOR PRODUCING PREFOAMED PARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN AND FOAM MOLDED ARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN
PROBLEM TO BE SOLVED: To provide a method for producing prefoamed particles of styrene-modified polyethylene resin by a depressurizing foaming method to give the prefoamed particles suppressed fluctuation of the foaming ratio.SOLUTION: The method for producing the prefoamed particles of the styrene-...
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| creator | OHARA HIDEKAZU SUZUKI KIRITO KIKUCHI TAKENORI MARUHASHI SHOTARO |
| description | PROBLEM TO BE SOLVED: To provide a method for producing prefoamed particles of styrene-modified polyethylene resin by a depressurizing foaming method to give the prefoamed particles suppressed fluctuation of the foaming ratio.SOLUTION: The method for producing the prefoamed particles of the styrene-modified polyethylene resin comprises: a step (a) to disperse styrene-modified polyethylene resin particles in an aqueous dispersing medium together with a dispersant in a pressure vessel, and to put a foaming agent into the pressure vessel under stirring to rise the temperature of the vessel; a step (b) to impregnate the foaming agent to the styrene-modified polyethylene resin particles; and a step (c) to discharge a mixture containing the styrene-modified polyethylene resin particles and the aqueous dispersion medium to a space with a lower pressure than the pressure in the pressure vessel by opening an end of the pressure vessel, wherein a foaming agent same as the foaming agent used in the step (a) is additionally introduced into the system in the step (c). |
| format | Patent |
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a step (b) to impregnate the foaming agent to the styrene-modified polyethylene resin particles; and a step (c) to discharge a mixture containing the styrene-modified polyethylene resin particles and the aqueous dispersion medium to a space with a lower pressure than the pressure in the pressure vessel by opening an end of the pressure vessel, wherein a foaming agent same as the foaming agent used in the step (a) is additionally introduced into the system in the step (c).</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOj1dQ3x8HdRcPMPUggI8ncJdfb0cweyXN38HX1dXRQCHINCPJ19XBX83RSCQyKDXP1cdX39XTzdPEGS_j6RQO2RPkBRhSDXYE8_BUc_kFmOvgq-_j4uQCWkaedhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhoYGhmaWBsaOxkQpAgAymkBf</recordid><startdate>20110127</startdate><enddate>20110127</enddate><creator>OHARA HIDEKAZU</creator><creator>SUZUKI KIRITO</creator><creator>KIKUCHI TAKENORI</creator><creator>MARUHASHI SHOTARO</creator><scope>EVB</scope></search><sort><creationdate>20110127</creationdate><title>METHOD FOR PRODUCING PREFOAMED PARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN AND FOAM MOLDED ARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN</title><author>OHARA HIDEKAZU ; SUZUKI KIRITO ; KIKUCHI TAKENORI ; MARUHASHI SHOTARO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2011016903A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>OHARA HIDEKAZU</creatorcontrib><creatorcontrib>SUZUKI KIRITO</creatorcontrib><creatorcontrib>KIKUCHI TAKENORI</creatorcontrib><creatorcontrib>MARUHASHI SHOTARO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OHARA HIDEKAZU</au><au>SUZUKI KIRITO</au><au>KIKUCHI TAKENORI</au><au>MARUHASHI SHOTARO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR PRODUCING PREFOAMED PARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN AND FOAM MOLDED ARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN</title><date>2011-01-27</date><risdate>2011</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for producing prefoamed particles of styrene-modified polyethylene resin by a depressurizing foaming method to give the prefoamed particles suppressed fluctuation of the foaming ratio.SOLUTION: The method for producing the prefoamed particles of the styrene-modified polyethylene resin comprises: a step (a) to disperse styrene-modified polyethylene resin particles in an aqueous dispersing medium together with a dispersant in a pressure vessel, and to put a foaming agent into the pressure vessel under stirring to rise the temperature of the vessel; a step (b) to impregnate the foaming agent to the styrene-modified polyethylene resin particles; and a step (c) to discharge a mixture containing the styrene-modified polyethylene resin particles and the aqueous dispersion medium to a space with a lower pressure than the pressure in the pressure vessel by opening an end of the pressure vessel, wherein a foaming agent same as the foaming agent used in the step (a) is additionally introduced into the system in the step (c).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | METHOD FOR PRODUCING PREFOAMED PARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN AND FOAM MOLDED ARTICLE OF STYRENE-MODIFIED POLYETHYLENE RESIN |
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