METHOD OF THERMOFORMING POLYOLEFIN RESIN

A process for thermoforming a polyolefin resin sheet is provided having an aromatic aldehyde-polyhydric alcohol condensation product incorporated in the sheet to limit deformation of the sheet during the heating step.

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Bibliographic Details
Main Authors MEHL, NATHAN A, MANNION, MICHAEL J
Format Patent
LanguageEnglish
French
Published 13.11.1997
Edition6
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
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
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A process for thermoforming a polyolefin resin sheet is provided having an aromatic aldehyde-polyhydric alcohol condensation product incorporated in the sheet to limit deformation of the sheet during the heating step.
Bibliography:Application Number: CA19972226144