VERFAHREN ZUR HERSTELLUNG FEINDISPERSER POLYMERMISCHUNGEN
Highly disperse mixtures of at least two polymers which are not fully miscible in the melt under conventional conditions are prepared by melting the polymers employed in the presence of supercritical gases or gas mixtures, vigorously mixing the molten polymers until the viscosity of the melt has dro...
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| creator | PAUL, HANNSOLF. DR., 5000 KOELN, DE MEIER, ERICH. DR., 5090 LEVERKUSEN, DE WEYMANS, GUENTHER. DR., 5090 LEVERKUSEN, DE PLAETSCHKE, RUEDIGER. DR |
| description | Highly disperse mixtures of at least two polymers which are not fully miscible in the melt under conventional conditions are prepared by melting the polymers employed in the presence of supercritical gases or gas mixtures, vigorously mixing the molten polymers until the viscosity of the melt has dropped by at least 10 %, subsequently cooling the polymer melt with further mixing until the viscosity of the melt has again at least reached the original value, and then decompressing the polymer melt. The highly disperse mixtures prepared in this way can be converted into mouldings in a conventional manner. |
| format | Patent |
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The highly disperse mixtures prepared in this way can be converted into mouldings in a conventional manner.</description><language>ger</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; MAKING GRANULES OR PREFORMS ; METALLURGY ; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; WORKING-UP</subject><creationdate>1990</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=19900405&DB=EPODOC&CC=DE&NR=3833219A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900405&DB=EPODOC&CC=DE&NR=3833219A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PAUL, HANNSOLF. 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DR., 5000 KOELN, DE</creatorcontrib><creatorcontrib>MEIER, ERICH. DR., 5090 LEVERKUSEN, DE</creatorcontrib><creatorcontrib>WEYMANS, GUENTHER. DR., 5090 LEVERKUSEN, DE</creatorcontrib><creatorcontrib>PLAETSCHKE, RUEDIGER. DR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PAUL, HANNSOLF. DR., 5000 KOELN, DE</au><au>MEIER, ERICH. DR., 5090 LEVERKUSEN, DE</au><au>WEYMANS, GUENTHER. DR., 5090 LEVERKUSEN, DE</au><au>PLAETSCHKE, RUEDIGER. DR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VERFAHREN ZUR HERSTELLUNG FEINDISPERSER POLYMERMISCHUNGEN</title><date>1990-04-05</date><risdate>1990</risdate><abstract>Highly disperse mixtures of at least two polymers which are not fully miscible in the melt under conventional conditions are prepared by melting the polymers employed in the presence of supercritical gases or gas mixtures, vigorously mixing the molten polymers until the viscosity of the melt has dropped by at least 10 %, subsequently cooling the polymer melt with further mixing until the viscosity of the melt has again at least reached the original value, and then decompressing the polymer melt. The highly disperse mixtures prepared in this way can be converted into mouldings in a conventional manner.</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 MAKING GRANULES OR PREFORMS METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | VERFAHREN ZUR HERSTELLUNG FEINDISPERSER POLYMERMISCHUNGEN |
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