LOW SHRINK TENSION FILM

A FILM INCLUDES A CORE LAYER (1,11) INCLUDING A LINEAR RANDOM ALPHA-OLEFIN/VINYL AROMATIC COPOLYMER; AND FIRST (2,12) AND SECOND (3,13) OUTER LAYERS INCLUDING AN OLEFINIC POLYMER; THE FILM HAVING YOUNG'S MODULUS BETWEEN 50,000 AND 200,000 PSI, FREE SHRINK BETWEEN 40 AND 80% AT 240F, AND SHRINK...

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Bibliographic Details
Main Author BLAINE C. CHILDRESS
Format Patent
LanguageEnglish
Published 31.12.2009
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A FILM INCLUDES A CORE LAYER (1,11) INCLUDING A LINEAR RANDOM ALPHA-OLEFIN/VINYL AROMATIC COPOLYMER; AND FIRST (2,12) AND SECOND (3,13) OUTER LAYERS INCLUDING AN OLEFINIC POLYMER; THE FILM HAVING YOUNG'S MODULUS BETWEEN 50,000 AND 200,000 PSI, FREE SHRINK BETWEEN 40 AND 80% AT 240F, AND SHRINK TENSION OF BETWEEN 50 AND 400 PSI, OR A SHRINK FORCE OF BETWEEN 20 AND 180 GRAMS, AT 240F. FIRST (14) AND SECOND (15) INTERMEDIATE LAYERS INCLUDING AN ETHYLENE COPOLYMER HAVING A MELT INDEX LESS THAN 2.0 CAN BE OPTIONALLY INCLUDED. ALTERNATIVELY, A FILM INCLUDES A CORE LAYER (1, 11) INCLUDING AN ETHYLENE COPOLYMER HAVING MELT INDEX LESS THAN 2.0; FIRST (14) AND SECOND (15) INTERMEDIATE LAYERS INCLUDING A LINEAR RANDOM ALPHA-OLEFIN/VINYL AROMATIC COPOLYMER; AND FIRST (2, 12) AND SECOND (3, 13) OUTER LAYERS INCLUDING AN OLEFINIC POLYMER; THE FILM HAVING PROPERTIES AS DISCLOSED ABOVE.
Bibliography:Application Number: MY2002PI00630