POLYMER BLEND COMPOSITION AND ARTICLES THEREOF
A polymer blend composition having improved physical properties comprises (i) 70% to 95% by weight of a blend of a styrene maleic anhydride (SMA) copolymer, e.g., rubber modified styrene maleic anhydride copolymer and a styrene polymer e.g., polystyrene or high impact polystyrene (HIPS) and (ii) fro...
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| creator | ROBERTS ROBERT D KWOK JOHN CHI HEE |
| description | A polymer blend composition having improved physical properties comprises (i) 70% to 95% by weight of a blend of a styrene maleic anhydride (SMA) copolymer, e.g., rubber modified styrene maleic anhydride copolymer and a styrene polymer e.g., polystyrene or high impact polystyrene (HIPS) and (ii) from 30% to 5% by weight of an acrylic copolymer, e.g., a rubber modified styrene methyl methacrylate (SMMA) copolymer which acts as a compatibilizer for the SMA copolymer, which may be a regrind, and the styrene polymer. This polymer blend composition has good impact strength and elongation properties. The weight percent ratio of the SMA copolymer to styrene polymer in component (i) may be 95:5 or 5:95 based on the total weight of component (i). The polymer blend composition may be extruded into sheet and thermoformed into an article, e.g., a container for packaged foods or may be co-extruded to produce a laminated article. |
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This polymer blend composition has good impact strength and elongation properties. The weight percent ratio of the SMA copolymer to styrene polymer in component (i) may be 95:5 or 5:95 based on the total weight of component (i). The polymer blend composition may be extruded into sheet and thermoformed into an article, e.g., a container for packaged foods or may be co-extruded to produce a laminated article.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2008</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=20080403&DB=EPODOC&CC=US&NR=2008081137A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080403&DB=EPODOC&CC=US&NR=2008081137A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ROBERTS ROBERT D</creatorcontrib><creatorcontrib>KWOK JOHN CHI HEE</creatorcontrib><title>POLYMER BLEND COMPOSITION AND ARTICLES THEREOF</title><description>A polymer blend composition having improved physical properties comprises (i) 70% to 95% by weight of a blend of a styrene maleic anhydride (SMA) copolymer, e.g., rubber modified styrene maleic anhydride copolymer and a styrene polymer e.g., polystyrene or high impact polystyrene (HIPS) and (ii) from 30% to 5% by weight of an acrylic copolymer, e.g., a rubber modified styrene methyl methacrylate (SMMA) copolymer which acts as a compatibilizer for the SMA copolymer, which may be a regrind, and the styrene polymer. This polymer blend composition has good impact strength and elongation properties. The weight percent ratio of the SMA copolymer to styrene polymer in component (i) may be 95:5 or 5:95 based on the total weight of component (i). 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This polymer blend composition has good impact strength and elongation properties. The weight percent ratio of the SMA copolymer to styrene polymer in component (i) may be 95:5 or 5:95 based on the total weight of component (i). The polymer blend composition may be extruded into sheet and thermoformed into an article, e.g., a container for packaged foods or may be co-extruded to produce a laminated article.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | POLYMER BLEND COMPOSITION AND ARTICLES THEREOF |
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