Anisotropic polymer foam

This invention relates to foam insulating products, particularly to rigid, polymeric foam boards comprising extruded polystyrene foam, with increasing the cell orientation and reducing cell anisotropic ratio, as well as the process method for making the products thereof for improving the insulating...

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Bibliographische Detailangaben
1. Verfasser:	MILLER LARRY M.,BREINDEL RAYMOND M.,WEEKLEY MITCHELL Z.,CISAR THOMAS E
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	This invention relates to foam insulating products, particularly to rigid, polymeric foam boards comprising extruded polystyrene foam, with increasing the cell orientation and reducing cell anisotropic ratio, as well as the process method for making the products thereof for improving the insulating properties and for reducing the manufacturing cost of the foam products. Alternatively, foam insulating products having increased cell compressive strength may be made by decreasing the cell orientation and increasing the cell anisotropic ratio.