POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS
A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1,000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates made with highly modified polyeste...
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| creator | GAMBLE BENJAMIN B WILLIAMS JAMES C SHARPE EMERSON E.JR STAFFORD STEVEN L STEWART MARK E ESTEP ROBERT N CLARK THOMAS R |
| description | A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1,000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates. The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color. |
| format | Patent |
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Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates. The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</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=20080221&DB=EPODOC&CC=US&NR=2008045637A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080221&DB=EPODOC&CC=US&NR=2008045637A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAMBLE BENJAMIN B</creatorcontrib><creatorcontrib>WILLIAMS JAMES C</creatorcontrib><creatorcontrib>SHARPE EMERSON E.JR</creatorcontrib><creatorcontrib>STAFFORD STEVEN L</creatorcontrib><creatorcontrib>STEWART MARK E</creatorcontrib><creatorcontrib>ESTEP ROBERT N</creatorcontrib><creatorcontrib>CLARK THOMAS R</creatorcontrib><title>POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS</title><description>A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1,000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. 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The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</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>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAL8PeJdA0OcQ1ScHIMdnVRcPZ3cvQJAVJ-zq5-IUGOIa7BCm7-QQr-EZHurn4Kwc6OYa5-7p5-7kAlvgH-wZ4hnv5-wTwMrGmJOcWpvFCam0HZzTXE2UM3tSA_PrW4IDE5NS-1JD402MjAwMLAxNTM2NzR0Jg4VQCUZi24</recordid><startdate>20080221</startdate><enddate>20080221</enddate><creator>GAMBLE BENJAMIN B</creator><creator>WILLIAMS JAMES C</creator><creator>SHARPE EMERSON E.JR</creator><creator>STAFFORD STEVEN L</creator><creator>STEWART MARK E</creator><creator>ESTEP ROBERT N</creator><creator>CLARK THOMAS R</creator><scope>EVB</scope></search><sort><creationdate>20080221</creationdate><title>POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS</title><author>GAMBLE BENJAMIN B ; WILLIAMS JAMES C ; SHARPE EMERSON E.JR ; STAFFORD STEVEN L ; STEWART MARK E ; ESTEP ROBERT N ; CLARK THOMAS R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2008045637A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</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>GAMBLE BENJAMIN B</creatorcontrib><creatorcontrib>WILLIAMS JAMES C</creatorcontrib><creatorcontrib>SHARPE EMERSON E.JR</creatorcontrib><creatorcontrib>STAFFORD STEVEN L</creatorcontrib><creatorcontrib>STEWART MARK E</creatorcontrib><creatorcontrib>ESTEP ROBERT N</creatorcontrib><creatorcontrib>CLARK THOMAS R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GAMBLE BENJAMIN B</au><au>WILLIAMS JAMES C</au><au>SHARPE EMERSON E.JR</au><au>STAFFORD STEVEN L</au><au>STEWART MARK E</au><au>ESTEP ROBERT N</au><au>CLARK THOMAS R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS</title><date>2008-02-21</date><risdate>2008</risdate><abstract>A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1,000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates. The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS |
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