ASA POLYMER COMPOSITION WITH OPTIMISED UV STABILITY AND GOOD TOUGHNESS-STIFFNESS BALANCE
A thermoplastic acrylate-styrene-acrylonitrile (ASA) copolymer composition for the production of moldings. The composition comprises:10-89.7% by weight of a copolymer A1 consisting of styrene and acrylonitrile,10-89.7% by weight of at least one graft copolymer A2 having an average particle size of 8...
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creator | NIESSNER, Norbert AHN, SangJun |
description | A thermoplastic acrylate-styrene-acrylonitrile (ASA) copolymer composition for the production of moldings. The composition comprises:10-89.7% by weight of a copolymer A1 consisting of styrene and acrylonitrile,10-89.7% by weight of at least one graft copolymer A2 having an average particle size of 80-800 nm, consisting of a rubber-like base substance having Tg |
format | Patent |
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The composition comprises:10-89.7% by weight of a copolymer A1 consisting of styrene and acrylonitrile,10-89.7% by weight of at least one graft copolymer A2 having an average particle size of 80-800 nm, consisting of a rubber-like base substance having Tg<0° C. and at least one graft shell,0.1-2% by weight of at least one sterically hindered amine B1,0-2% by weight of at least one sterically hindered amine B2,0-2% by weight of at least one UV-A absorber B3,0.1-3% by weight of at least one carbon black component CB, and0-5% by weight of one or more further additives C.The thermoplastic acrylate-styrene-acrylonitrile copolymer composition after the production of moldings results in at least one sterically hindered amine (B1, B2) being present on the surface of a molding after 500 h of artificial weathering in accordance with standard EN ISO 4892 in a higher amount than in a molding before the artificial weathering.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>2024</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=20240704&DB=EPODOC&CC=US&NR=2024218158A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240704&DB=EPODOC&CC=US&NR=2024218158A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIESSNER, Norbert</creatorcontrib><creatorcontrib>AHN, SangJun</creatorcontrib><title>ASA POLYMER COMPOSITION WITH OPTIMISED UV STABILITY AND GOOD TOUGHNESS-STIFFNESS BALANCE</title><description>A thermoplastic acrylate-styrene-acrylonitrile (ASA) copolymer composition for the production of moldings. The composition comprises:10-89.7% by weight of a copolymer A1 consisting of styrene and acrylonitrile,10-89.7% by weight of at least one graft copolymer A2 having an average particle size of 80-800 nm, consisting of a rubber-like base substance having Tg<0° C. and at least one graft shell,0.1-2% by weight of at least one sterically hindered amine B1,0-2% by weight of at least one sterically hindered amine B2,0-2% by weight of at least one UV-A absorber B3,0.1-3% by weight of at least one carbon black component CB, and0-5% by weight of one or more further additives C.The thermoplastic acrylate-styrene-acrylonitrile copolymer composition after the production of moldings results in at least one sterically hindered amine (B1, B2) being present on the surface of a molding after 500 h of artificial weathering in accordance with standard EN ISO 4892 in a higher amount than in a molding before the artificial weathering.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</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><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNysEKgkAQgGEvHaJ6h4HOQlqB13F31QHdkWasPInEdooS7P2JoAfo9H-HfxldURBarvvGncBw07KQEnu4kFbArVJD4ix0ZxDFnGrSHtBbKJktKHdl5Z1ILEpF8RXkWKM3bh0t7uNjDptfV9G2cGqqOEyvIczTeAvP8B46SXfpIU2y5Jhhsv_v-gDxAjKU</recordid><startdate>20240704</startdate><enddate>20240704</enddate><creator>NIESSNER, Norbert</creator><creator>AHN, SangJun</creator><scope>EVB</scope></search><sort><creationdate>20240704</creationdate><title>ASA POLYMER COMPOSITION WITH OPTIMISED UV STABILITY AND GOOD TOUGHNESS-STIFFNESS BALANCE</title><author>NIESSNER, Norbert ; AHN, SangJun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2024218158A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</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><toplevel>online_resources</toplevel><creatorcontrib>NIESSNER, Norbert</creatorcontrib><creatorcontrib>AHN, SangJun</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NIESSNER, Norbert</au><au>AHN, SangJun</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ASA POLYMER COMPOSITION WITH OPTIMISED UV STABILITY AND GOOD TOUGHNESS-STIFFNESS BALANCE</title><date>2024-07-04</date><risdate>2024</risdate><abstract>A thermoplastic acrylate-styrene-acrylonitrile (ASA) copolymer composition for the production of moldings. The composition comprises:10-89.7% by weight of a copolymer A1 consisting of styrene and acrylonitrile,10-89.7% by weight of at least one graft copolymer A2 having an average particle size of 80-800 nm, consisting of a rubber-like base substance having Tg<0° C. and at least one graft shell,0.1-2% by weight of at least one sterically hindered amine B1,0-2% by weight of at least one sterically hindered amine B2,0-2% by weight of at least one UV-A absorber B3,0.1-3% by weight of at least one carbon black component CB, and0-5% by weight of one or more further additives C.The thermoplastic acrylate-styrene-acrylonitrile copolymer composition after the production of moldings results in at least one sterically hindered amine (B1, B2) being present on the surface of a molding after 500 h of artificial weathering in accordance with standard EN ISO 4892 in a higher amount than in a molding before the artificial weathering.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
title | ASA POLYMER COMPOSITION WITH OPTIMISED UV STABILITY AND GOOD TOUGHNESS-STIFFNESS BALANCE |
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