POLYOLEFIN ELASTOMER COMPOSITIONS AND METHODS OF MAKING THE SAME
An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0 % to about 35.0 %, as measured according to ASTM D 395 (22 hrs @ 70 °C). The si...
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Format | Patent |
Language | English French |
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14.06.2018
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Abstract | An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0 % to about 35.0 %, as measured according to ASTM D 395 (22 hrs @ 70 °C). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40 %, a silane crosslinker, a grafting initiator, and a condensation catalyst.
L'invention concerne un article élastomère qui comprend une composition contenant un élastomère polyoléfinique réticulé par un silane ayant une densité inférieure à 0,90 g/cm3. L'article élastomère peut manifester une déformation rémanente après compression, mesurée selon ASTM D 395 (22 h @ 70°C), d'environ 5,0 à environ 35,0 %. L'élastomère polyoléfinique réticulé par un silane peut comprendre une première polyoléfine ayant une densité inférieure à 0,86 g/cm3, une seconde polyoléfine ayant une cristallinité inférieure à 40 %, un agent de réticulation de type silane, un initiateur de greffage et un catalyseur de condensation. |
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AbstractList | An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0 % to about 35.0 %, as measured according to ASTM D 395 (22 hrs @ 70 °C). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40 %, a silane crosslinker, a grafting initiator, and a condensation catalyst.
L'invention concerne un article élastomère qui comprend une composition contenant un élastomère polyoléfinique réticulé par un silane ayant une densité inférieure à 0,90 g/cm3. L'article élastomère peut manifester une déformation rémanente après compression, mesurée selon ASTM D 395 (22 h @ 70°C), d'environ 5,0 à environ 35,0 %. L'élastomère polyoléfinique réticulé par un silane peut comprendre une première polyoléfine ayant une densité inférieure à 0,86 g/cm3, une seconde polyoléfine ayant une cristallinité inférieure à 40 %, un agent de réticulation de type silane, un initiateur de greffage et un catalyseur de condensation. |
Author | LENHART, Robert J JI, Gending GOPALAN, Krishnamachari HERD-SMITH, Roland |
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DocumentTitleAlternate | COMPOSITIONS ÉLASTOMÈRES POLYOLÉFINIQUES ET LEURS PROCÉDÉS DE PRODUCTION |
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Snippet | An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL PROCESSES OF COMPOUNDING HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WORKING-UP |
Title | POLYOLEFIN ELASTOMER COMPOSITIONS AND METHODS OF MAKING THE SAME |
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