METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES
Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly CO2, as the blowing agent in combination with a polymer processing aid (PPA), typically an ester that is relatively non- volatile at the extrusion temperature range. The blowing agent and the...
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creator | PATEL, BHARAT BREINDEL, RAYMOND M RODRIGUES, KLIN A DELAVIZ, YADOLLAH POLASKY, MARK LOH, ROLAND R WEEKLEY, MITCHELL Z |
description | Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly CO2, as the blowing agent in combination with a polymer processing aid (PPA), typically an ester that is relatively non- volatile at the extrusion temperature range. The blowing agent and the PPA may both be introduced into the molten thermoplastic polystyrene resin or the PPA may be incorporated in the solid source polystyrene resins. The resulting foam will be substantially free of residual blowing agent and dimensionally stable at ambient temperatures.
Linvention concerne un procédé de fabrication dune mousse de polystyrène, qui fait appel à un ou à plusieurs gaz atmosphériques, en particulier du CO2, à titre dagent gonflant, en combinaison avec un auxiliaire de traitement de polymères (PPA), en général un ester qui est relativement non volatile dans la fourchette de températures d'extrusion. L'agent gonflant et le PPA peuvent tous deux être introduits dans la résine de polystyrène thermoplastique fondue ou le PPA peut être incorporé dans les résines de polystyrène source solide. La mousse obtenue sera essentiellement exempte d'agent gonflant résiduel et présentera une stabilité dimensionnelle satisfaisante à température ambiante. |
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Linvention concerne un procédé de fabrication dune mousse de polystyrène, qui fait appel à un ou à plusieurs gaz atmosphériques, en particulier du CO2, à titre dagent gonflant, en combinaison avec un auxiliaire de traitement de polymères (PPA), en général un ester qui est relativement non volatile dans la fourchette de températures d'extrusion. L'agent gonflant et le PPA peuvent tous deux être introduits dans la résine de polystyrène thermoplastique fondue ou le PPA peut être incorporé dans les résines de polystyrène source solide. La mousse obtenue sera essentiellement exempte d'agent gonflant résiduel et présentera une stabilité dimensionnelle satisfaisante à température ambiante.</description><language>eng ; fre</language><subject>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 ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WORKING-UP</subject><creationdate>2016</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=20160802&DB=EPODOC&CC=CA&NR=2883548C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160802&DB=EPODOC&CC=CA&NR=2883548C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PATEL, BHARAT</creatorcontrib><creatorcontrib>BREINDEL, RAYMOND M</creatorcontrib><creatorcontrib>RODRIGUES, KLIN A</creatorcontrib><creatorcontrib>DELAVIZ, YADOLLAH</creatorcontrib><creatorcontrib>POLASKY, MARK</creatorcontrib><creatorcontrib>LOH, ROLAND R</creatorcontrib><creatorcontrib>WEEKLEY, MITCHELL Z</creatorcontrib><title>METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES</title><description>Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly CO2, as the blowing agent in combination with a polymer processing aid (PPA), typically an ester that is relatively non- volatile at the extrusion temperature range. The blowing agent and the PPA may both be introduced into the molten thermoplastic polystyrene resin or the PPA may be incorporated in the solid source polystyrene resins. The resulting foam will be substantially free of residual blowing agent and dimensionally stable at ambient temperatures.
Linvention concerne un procédé de fabrication dune mousse de polystyrène, qui fait appel à un ou à plusieurs gaz atmosphériques, en particulier du CO2, à titre dagent gonflant, en combinaison avec un auxiliaire de traitement de polymères (PPA), en général un ester qui est relativement non volatile dans la fourchette de températures d'extrusion. L'agent gonflant et le PPA peuvent tous deux être introduits dans la résine de polystyrène thermoplastique fondue ou le PPA peut être incorporé dans les résines de polystyrène source solide. La mousse obtenue sera essentiellement exempte d'agent gonflant résiduel et présentera une stabilité dimensionnelle satisfaisante à température ambiante.</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>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDydQ3x8HdR8HdT8HX0C3VzdA4JDfL0c1cI8PeJDA6JDHL1c1Vw83f0VQj3DPEAi_q6BikEBPk7uwYHgxQ6urh4hniGuQbzMLCmJeYUp_JCaW4GeTfXEGcP3dSC_PjU4oLE5NS81JJ4Z0cjCwtjUxMLZ2PCKgDtrC0c</recordid><startdate>20160802</startdate><enddate>20160802</enddate><creator>PATEL, BHARAT</creator><creator>BREINDEL, RAYMOND M</creator><creator>RODRIGUES, KLIN A</creator><creator>DELAVIZ, YADOLLAH</creator><creator>POLASKY, MARK</creator><creator>LOH, ROLAND R</creator><creator>WEEKLEY, MITCHELL Z</creator><scope>EVB</scope></search><sort><creationdate>20160802</creationdate><title>METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES</title><author>PATEL, BHARAT ; BREINDEL, RAYMOND M ; RODRIGUES, KLIN A ; DELAVIZ, YADOLLAH ; POLASKY, MARK ; LOH, ROLAND R ; WEEKLEY, MITCHELL Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2883548C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2016</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>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>PATEL, BHARAT</creatorcontrib><creatorcontrib>BREINDEL, RAYMOND M</creatorcontrib><creatorcontrib>RODRIGUES, KLIN A</creatorcontrib><creatorcontrib>DELAVIZ, YADOLLAH</creatorcontrib><creatorcontrib>POLASKY, MARK</creatorcontrib><creatorcontrib>LOH, ROLAND R</creatorcontrib><creatorcontrib>WEEKLEY, MITCHELL Z</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PATEL, BHARAT</au><au>BREINDEL, RAYMOND M</au><au>RODRIGUES, KLIN A</au><au>DELAVIZ, YADOLLAH</au><au>POLASKY, MARK</au><au>LOH, ROLAND R</au><au>WEEKLEY, MITCHELL Z</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES</title><date>2016-08-02</date><risdate>2016</risdate><abstract>Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly CO2, as the blowing agent in combination with a polymer processing aid (PPA), typically an ester that is relatively non- volatile at the extrusion temperature range. The blowing agent and the PPA may both be introduced into the molten thermoplastic polystyrene resin or the PPA may be incorporated in the solid source polystyrene resins. The resulting foam will be substantially free of residual blowing agent and dimensionally stable at ambient temperatures.
Linvention concerne un procédé de fabrication dune mousse de polystyrène, qui fait appel à un ou à plusieurs gaz atmosphériques, en particulier du CO2, à titre dagent gonflant, en combinaison avec un auxiliaire de traitement de polymères (PPA), en général un ester qui est relativement non volatile dans la fourchette de températures d'extrusion. L'agent gonflant et le PPA peuvent tous deux être introduits dans la résine de polystyrène thermoplastique fondue ou le PPA peut être incorporé dans les résines de polystyrène source solide. La mousse obtenue sera essentiellement exempte d'agent gonflant résiduel et présentera une stabilité dimensionnelle satisfaisante à température ambiante.</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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
title | METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES |
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