FFS film for thin-wall repackaging and preparation method thereof

The invention discloses a thin-wall repackaging FFS film which is of a three-layer structure and comprises an outer layer, a middle layer and an inner layer, and the thickness ratio of the outer layer to the middle layer to the inner layer is 1: 1-3: 1. The outer layer comprises the following raw ma...

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Bibliographic Details
Main Authors YANG DEKUI, HU YONG, WU DECAI, TAN XIAOSHU, ZHAO GUOBIN, JIANG LIGANG, YANG JIE, CHEN LIN
Format Patent
LanguageChinese
English
Published 14.11.2023
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
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
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
STORING
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention discloses a thin-wall repackaging FFS film which is of a three-layer structure and comprises an outer layer, a middle layer and an inner layer, and the thickness ratio of the outer layer to the middle layer to the inner layer is 1: 1-3: 1. The outer layer comprises the following raw materials in parts by weight: 70-90 parts of metallocene linear low-density polyethylene A, 10-25 parts of processing auxiliary functional materials and 1-5 parts of an anti-blocking agent; the middle layer comprises the following raw materials in parts by weight: 50-70 parts of medium-high density metallocene polyethylene B and 30-50 parts of high density polyethylene C; the inner layer comprises the following raw materials in parts by weight: 70-90 parts of metallocene linear low-density polyethylene A, 10-25 parts of a processing auxiliary functional material and 1-5 parts of an anti-blocking agent. The invention further discloses a preparation method of the FFS film for thin-wall repackaging. The raw materials us
Bibliography:Application Number: CN202310470897