Sulfur-stabilized copolycarbonates and articles formed therefrom
A copolycarbonate includes 0.005-0.1 mole percent of sulfur-containing carbonate units derived from a sulfur-containing bisphenol monomer, 2-95 mole percent of high heat carbonate units derived from a high heat aromatic dihydroxy monomer, and 5-98 mole percent of a low heat carbonate units derived f...
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| creator | Zhao, Wei Odle, Roy Ray Calveras, Jordi Sybert, Paul Dean |
| description | A copolycarbonate includes 0.005-0.1 mole percent of sulfur-containing carbonate units derived from a sulfur-containing bisphenol monomer, 2-95 mole percent of high heat carbonate units derived from a high heat aromatic dihydroxy monomer, and 5-98 mole percent of a low heat carbonate units derived from a low heat aromatic monomer, each based on the sum of the moles of the carbonate units; and optionally, thioether carbonyl endcaps of the formula -C(═O)-L-S-R, wherein L is a C1-12 aliphatic or aromatic linking group and R is a C1-20 alkyl, C6-18 aryl, or C7-24 arylalkylene; wherein the sulfur content of the high heat copolycarbonate in the absence of the thioether endcaps is from 5-20 parts per million by weight. |
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and optionally, thioether carbonyl endcaps of the formula -C(═O)-L-S-R, wherein L is a C1-12 aliphatic or aromatic linking group and R is a C1-20 alkyl, C6-18 aryl, or C7-24 arylalkylene; wherein the sulfur content of the high heat copolycarbonate in the absence of the thioether endcaps is from 5-20 parts per million by weight.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PHYSICS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>2023</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=20230516&DB=EPODOC&CC=US&NR=11649322B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230516&DB=EPODOC&CC=US&NR=11649322B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Zhao, Wei</creatorcontrib><creatorcontrib>Odle, Roy Ray</creatorcontrib><creatorcontrib>Calveras, Jordi</creatorcontrib><creatorcontrib>Sybert, Paul Dean</creatorcontrib><title>Sulfur-stabilized copolycarbonates and articles formed therefrom</title><description>A copolycarbonate includes 0.005-0.1 mole percent of sulfur-containing carbonate units derived from a sulfur-containing bisphenol monomer, 2-95 mole percent of high heat carbonate units derived from a high heat aromatic dihydroxy monomer, and 5-98 mole percent of a low heat carbonate units derived from a low heat aromatic monomer, each based on the sum of the moles of the carbonate units; 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and optionally, thioether carbonyl endcaps of the formula -C(═O)-L-S-R, wherein L is a C1-12 aliphatic or aromatic linking group and R is a C1-20 alkyl, C6-18 aryl, or C7-24 arylalkylene; wherein the sulfur content of the high heat copolycarbonate in the absence of the thioether endcaps is from 5-20 parts per million by weight.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | Sulfur-stabilized copolycarbonates and articles formed therefrom |
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