HYDROXY-FUNCTIONAL POLYESTERS AS THERMOPLASTIC BARRIER RESINS

Polyesters having improved barrier to oxygen are normally solid, thermoplastie methylol polyesters having baokbone repeating units containing pendant hydroxyl and methylol moieties and divalent organic moieties such as m-phenylene, p-phenylene, and isopropylidene diphenylene. Such polyesters are pre...

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Bibliographic Details
Main Authors WHITE, JERRY E, MANG, MICHAEL N
Format Patent
LanguageEnglish
French
Published 18.11.2003
Edition5
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
GENERAL PROCESSES OF COMPOUNDING
HANDLING THIN OR FILAMENTARY MATERIAL
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING-UP
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Summary:Polyesters having improved barrier to oxygen are normally solid, thermoplastie methylol polyesters having baokbone repeating units containing pendant hydroxyl and methylol moieties and divalent organic moieties such as m-phenylene, p-phenylene, and isopropylidene diphenylene. Such polyesters are prepared by reacting diglycidyl esters of aromatic diacids such as diglycidyl terephthalate or diglycidyl ethers of dihydric phenols with diacids such as isophthalic acid.
Bibliography:Application Number: CA19922068497