Special-purpose material for beverage packaging bottle cap

The invention relates to the technology field of material, in particular to a special material for the inner gaskets for covers of beverage-packing bottles, which is an alloy of polyolefin elastomer with polypropylene, polythene and additive, and is characterized in that the invention comprises by w...

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Bibliographic Details
Main Authors YUAN JING, SUN MINGFANG, PAN WENQIANG, HUANG JINQU
Format Patent
LanguageChinese
English
Published 12.03.2008
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Summary:The invention relates to the technology field of material, in particular to a special material for the inner gaskets for covers of beverage-packing bottles, which is an alloy of polyolefin elastomer with polypropylene, polythene and additive, and is characterized in that the invention comprises by weight polyolefin elastomer 30-45%, polypropylene 15-30%, polythene 15-30%, viscosity-reducing agent 5-15% and slipping agent 1-5%. The invention essentially solves the technical problem associated with prior material that is of SEBS-based alloy, in which the oil in the oil-charged SEBS system is liable to seepage, hence the quality of the beverage is affected. The invention not only guarantees the health of the users, but also reduces the cost of the material.
Bibliography:Application Number: CN2006130876