STABILIZATION SYSTEMS FOR POLYACETALS
The invention concerns a blend of: (a) a phenolic antioxidant such as a compound of the formula R1X(CaH2a)-Q in which R1 represents in which X represents oxygen or sulfur, a is an integer from 6 to 30, b is an integer from 0 to 6, R2 and R3 are independently C1-C18 alkyl, C5-C12 cycloalkyl, phenyl o...
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| creator | CAPOCCI, GERALD A ZAPPIA, JEAN M |
| description | The invention concerns a blend of: (a) a phenolic antioxidant such as a compound of the formula R1X(CaH2a)-Q in which R1 represents in which X represents oxygen or sulfur, a is an integer from 6 to 30, b is an integer from 0 to 6, R2 and R3 are independently C1-C18 alkyl, C5-C12 cycloalkyl, phenyl or C7-C9 aralkyl and R2 may also be hydrogen, Q is hydrogen or A-(CyH2y)-R4, A is oxygen, sulfur or -N-, y is an integer from 2 to 20, B is C1-C4 alkyl or C1-C4 alkanoyl and R4 is hydrogen, hydroxy, C1-C4 alkanoyloxy or a group of the formula wherein R2, R3 and b is as defined above; and (b) a hydrazine compound such as a compound of the formula in which R12 is a group such as C1-C18alkyl, C1-C18 alkyloxy, phenyl, C7-C9 aralkyl; or (c) an oxamido compound of the formula in which R15 is a group such as C1-C18 alkyl, phenyl, C7-C9 aralkykl and v is an integer from 0 to 6; the weight ratio of the components (a):(b) or (a):(c) is 20:1 to 1:10. This blend is useful in reducing colour formation in acetal homo or copolymers containing component (a). |
| format | Patent |
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This blend is useful in reducing colour formation in acetal homo or copolymers containing component (a).</description><edition>6</edition><language>eng ; fre</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>1996</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=19960227&DB=EPODOC&CC=CA&NR=1338092C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960227&DB=EPODOC&CC=CA&NR=1338092C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CAPOCCI, GERALD A</creatorcontrib><creatorcontrib>ZAPPIA, JEAN M</creatorcontrib><title>STABILIZATION SYSTEMS FOR POLYACETALS</title><description>The invention concerns a blend of: (a) a phenolic antioxidant such as a compound of the formula R1X(CaH2a)-Q in which R1 represents in which X represents oxygen or sulfur, a is an integer from 6 to 30, b is an integer from 0 to 6, R2 and R3 are independently C1-C18 alkyl, C5-C12 cycloalkyl, phenyl or C7-C9 aralkyl and R2 may also be hydrogen, Q is hydrogen or A-(CyH2y)-R4, A is oxygen, sulfur or -N-, y is an integer from 2 to 20, B is C1-C4 alkyl or C1-C4 alkanoyl and R4 is hydrogen, hydroxy, C1-C4 alkanoyloxy or a group of the formula wherein R2, R3 and b is as defined above; and (b) a hydrazine compound such as a compound of the formula in which R12 is a group such as C1-C18alkyl, C1-C18 alkyloxy, phenyl, C7-C9 aralkyl; or (c) an oxamido compound of the formula in which R15 is a group such as C1-C18 alkyl, phenyl, C7-C9 aralkykl and v is an integer from 0 to 6; the weight ratio of the components (a):(b) or (a):(c) is 20:1 to 1:10. This blend is useful in reducing colour formation in acetal homo or copolymers containing component (a).</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</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>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFANDnF08vTxjHIM8fT3UwiODA5x9Q1WcPMPUgjw94l0dHYNcfQJ5mFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8c6OhsbGFgaWRs7GhFUAAEFWIsM</recordid><startdate>19960227</startdate><enddate>19960227</enddate><creator>CAPOCCI, GERALD A</creator><creator>ZAPPIA, JEAN M</creator><scope>EVB</scope></search><sort><creationdate>19960227</creationdate><title>STABILIZATION SYSTEMS FOR POLYACETALS</title><author>CAPOCCI, GERALD A ; ZAPPIA, JEAN M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA1338092C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1996</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</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>CAPOCCI, GERALD A</creatorcontrib><creatorcontrib>ZAPPIA, JEAN M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CAPOCCI, GERALD A</au><au>ZAPPIA, JEAN M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STABILIZATION SYSTEMS FOR POLYACETALS</title><date>1996-02-27</date><risdate>1996</risdate><abstract>The invention concerns a blend of: (a) a phenolic antioxidant such as a compound of the formula R1X(CaH2a)-Q in which R1 represents in which X represents oxygen or sulfur, a is an integer from 6 to 30, b is an integer from 0 to 6, R2 and R3 are independently C1-C18 alkyl, C5-C12 cycloalkyl, phenyl or C7-C9 aralkyl and R2 may also be hydrogen, Q is hydrogen or A-(CyH2y)-R4, A is oxygen, sulfur or -N-, y is an integer from 2 to 20, B is C1-C4 alkyl or C1-C4 alkanoyl and R4 is hydrogen, hydroxy, C1-C4 alkanoyloxy or a group of the formula wherein R2, R3 and b is as defined above; and (b) a hydrazine compound such as a compound of the formula in which R12 is a group such as C1-C18alkyl, C1-C18 alkyloxy, phenyl, C7-C9 aralkyl; or (c) an oxamido compound of the formula in which R15 is a group such as C1-C18 alkyl, phenyl, C7-C9 aralkykl and v is an integer from 0 to 6; the weight ratio of the components (a):(b) or (a):(c) is 20:1 to 1:10. This blend is useful in reducing colour formation in acetal homo or copolymers containing component (a).</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | STABILIZATION SYSTEMS FOR POLYACETALS |
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