Polystyrene/polyethylene oxide copolymer for enhancing water vapor permeability in thermoplastic foam

Polymeric foam and polymeric foam products that contain a foamable polymer material, at least one blowing agent, a polystyrene/polyethylene oxide copolymer, and optionally, an infrared attenuating agent, are provided. In exemplary embodiments, the blowing agent includes at least one hydrofluorocarbo...

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Bibliographische Detailangaben

Hauptverfasser:	BREINDEL RAYMOND M, DELAVIZ YADOLLAH, WEEKLEY MITCHELL Z, BUDINSCAK, JR. JOHN F
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CASTING CHEMISTRY COMPOSITIONS BASED THEREON FOUNDRY MOULDING GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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