PROPYLENE RESIN MULTI-LAYER SHEET, AND PACKAGING BODY FOR HEAT TREATMENT USING THE SAME

PROBLEM TO BE SOLVED: To provide a propylene resin multi-layer sheet and a packaging body for heat treatment, which have excellent characteristics such as transparency, flexibility, and impact resistance at very low temperatures; reduced thickness fluctuation during laminating; reduced interface rou...

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Bibliographic Details
Main Authors KANAI GEN, KADOWAKI YUJI
Format Patent
LanguageEnglish
Published 26.04.2012
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
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
HANDLING THIN OR FILAMENTARY MATERIAL
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a propylene resin multi-layer sheet and a packaging body for heat treatment, which have excellent characteristics such as transparency, flexibility, and impact resistance at very low temperatures; reduced thickness fluctuation during laminating; reduced interface roughness and other appearance defects; and improved reduction in thickness during secondary processing.SOLUTION: The propylene resin multi-layer sheet comprises at least two layers having an inner layer (1) and an outer layer (2), wherein the inner layer (1) comprises a resin composition containing 40-89 wt.% of a specific propylene-system resin composition (A), 10-40 wt.% of a specific ethylene-α-olefin copolymer (B), and 1-20 wt.% of a specific propylene-system resin (C), and the outer layer (2) comprises a specific propylene resin composition.
Bibliography:Application Number: JP20110195752