THERMOOXIDATIVE STABILIZATION OF POLYARYLENE SULFIDE COMPOSITIONS
Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin (ll) carboxylate selected from the group consisting of Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), and mixtures thereof, where the carboxylate moieties O2CR and O2CR...
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Main Authors | , , , , , |
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Format | Patent |
Language | English French |
Published |
29.09.2011
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Abstract | Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin (ll) carboxylate selected from the group consisting of Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), and mixtures thereof, where the carboxylate moieties O2CR and O2CR' independently represent branched carboxylate anions and the carboxylate moiety O2CR" represents a linear carboxylate anion. Articles comprising the novel compositions are also provided. In addition, methods to improve the thermal stability of polyarylene sulfides, and methods to improve the thermo-oxidative stability of polyarylene sulfides, through the use of the disclosed branched tin(ll) carboxylates are provided. The polyarylene sulfide compositions are useful in various applications which require superior thermal resistance, chemical resistance, and electrical insulating properties.
L'invention concerne de nouvelles compositions comprenant un sulfure de polyarylène et au moins un additif d'étain comprenant un carboxylate d'étain(II) ramifié sélectionné parmi le groupe constitué de Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), et des mélanges de ceux-ci, où les parties carboxylate O2CR et O2CR' indépendamment représentent des anions carboxylate ramifiés et la partie carboxylate O2CR" représente un anion carboxylate linéaire. L'invention concerne aussi des articles comprenant les nouvelles compositions. De plus, l'invention concerne des procédés pour améliorer la stabilité thermique des sulfures de polyarylène, et des procédés pour améliorer la stabilité thermooxydative des sulfures de polyarylène, par l'utilisation des carboxylates d'étain(II) ramifiés divulgués. Les compositions de sulfure de polyarylène sont utiles dans diverses applications qui requièrent des propriétés supérieures de résistance thermique, de résistance chimique et d'isolation électrique. |
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AbstractList | Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin (ll) carboxylate selected from the group consisting of Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), and mixtures thereof, where the carboxylate moieties O2CR and O2CR' independently represent branched carboxylate anions and the carboxylate moiety O2CR" represents a linear carboxylate anion. Articles comprising the novel compositions are also provided. In addition, methods to improve the thermal stability of polyarylene sulfides, and methods to improve the thermo-oxidative stability of polyarylene sulfides, through the use of the disclosed branched tin(ll) carboxylates are provided. The polyarylene sulfide compositions are useful in various applications which require superior thermal resistance, chemical resistance, and electrical insulating properties.
L'invention concerne de nouvelles compositions comprenant un sulfure de polyarylène et au moins un additif d'étain comprenant un carboxylate d'étain(II) ramifié sélectionné parmi le groupe constitué de Sn(O2CR)2, Sn(O2CR)(O2CR'), Sn(O2CR)(O2CR"), et des mélanges de ceux-ci, où les parties carboxylate O2CR et O2CR' indépendamment représentent des anions carboxylate ramifiés et la partie carboxylate O2CR" représente un anion carboxylate linéaire. L'invention concerne aussi des articles comprenant les nouvelles compositions. De plus, l'invention concerne des procédés pour améliorer la stabilité thermique des sulfures de polyarylène, et des procédés pour améliorer la stabilité thermooxydative des sulfures de polyarylène, par l'utilisation des carboxylates d'étain(II) ramifiés divulgués. Les compositions de sulfure de polyarylène sont utiles dans diverses applications qui requièrent des propriétés supérieures de résistance thermique, de résistance chimique et d'isolation électrique. |
Author | POTTIGER, MICHAEL, T RITTER, JOACHIM, C POLLINO, JOEL, M HOWE, JOHN, C BRUN, YEFIM HUANG, ZHENG-ZHENG, JENNY |
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DocumentTitleAlternate | STABILISATION THERMOOXYDATIVE DE COMPOSITIONS DE SULFURE DE POLYARYLÈNE |
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RelatedCompanies | POTTIGER, MICHAEL, T RITTER, JOACHIM, C POLLINO, JOEL, M HOWE, JOHN, C BRUN, YEFIM E. I. DU PONT DE NEMOURS AND COMPANY HUANG, ZHENG-ZHENG, JENNY |
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Snippet | Provided are novel compositions comprising a polyarylene sulfide and at least one tin additive comprising a branched tin (ll) carboxylate selected from the... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
Title | THERMOOXIDATIVE STABILIZATION OF POLYARYLENE SULFIDE COMPOSITIONS |
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