MULTI-LAYERED PLASTIC VESSEL

PURPOSE:To provide a multi-layered plastic vessel with good function and fine appearance as a surface luster and light-shading plastic vessel. CONSTITUTION:The plastic vessel is made of, at least, three layers and characterized as having non-colored polyplopylene resin in its outermost layer, and la...

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Bibliographic Details
Main Authors OBATA KENJI, KAKEMURA TOSHIAKI, SUZUKI MASAYUKI, KOMIYAMA AKIHIKO
Format Patent
LanguageEnglish
Published 13.09.1994
Edition5
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:PURPOSE:To provide a multi-layered plastic vessel with good function and fine appearance as a surface luster and light-shading plastic vessel. CONSTITUTION:The plastic vessel is made of, at least, three layers and characterized as having non-colored polyplopylene resin in its outermost layer, and laminating a polypropylene resin layer containing a masking pigment and a polypropylene layer containing a shading pigment in its inside. The shading pigment is a carbon black substance, or a mixture of other pigments, and the multi-layered plastic vessel has the shading layer in the thinnest wall part of the vessel, satisfying CXT>=0.1 [herein, C shows a content of carbon black (wt.%), T is the wall thickness of the shading layer (mm)], and further blending of a vessel recycling material with the polypropylene resin layer containing a shading pigment is processed.
Bibliography:Application Number: JP19930045174