MICRODENSE SEALS, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A microdense sealing member is provided. The microdense sealing member includes a composition having a foamed silane-crosslinked polyolefin elastomer with a density less than 0.70 g/cm3. The microdense sealing member can exhibit a compression set of from about 5.0 % to about 35.0 % measured accordin...

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Bibliographische Detailangaben
Hauptverfasser:	HERD-SMITH, Roland, GOPALAN, Krishnamachari, JI, Gending, LENHART, Robert J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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Beschreibung
Zusammenfassung:	A microdense sealing member is provided. The microdense sealing member includes a composition having a foamed silane-crosslinked polyolefin elastomer with a density less than 0.70 g/cm3. The microdense sealing member can exhibit a compression set of from about 5.0 % to about 35.0 % measured according to ASTM D 395 (22 hrs @ 70 °C). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 60 °C, a silane crosslinker, a grafting initiator, a condensation catalyst, and a microencapsulated foaming agent.