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US 4,730,016 AGranted
Polyolefin-base resin composition containing a volatile rust preventive amine salt used for metal-product wrapping material
AssigneeAicerro Chemical Company Limited
InventorsAkira Fujii, Yasuhisa Isobe, Kenichi Hashiudo
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Abstract
Disclosed herein is a resin composition obtained by mixing an olefin-base resin, which has in turn been obtained by partially neutralizing a free carboxyl group in a random copolymer of an .alpha.-olefin and an .alpha.,.beta.-ethylenically-unsaturated monocarboxylic or dicarboxylic acid, with a volatile rust preventive in a specific amount or more. The resin composition has excellent rust preventive properties and can hence be used advantageously as a wrapping material for metal products.
Claims8
A rust preventive resin composition suitable for use in wrapping material, comprising:
- an olefin-base resin obtained by partially neutralizing a free carboxyl group in a random copolymer of an .alpha.-olefin and an .alpha.,.beta.-ethylenically-unsaturated monocarboxylic or dicarboxylic acid, the latter being contained in an amount of 1.0-2.0 mole %, with ions of an alkali metal or alkaline earth metal having a normal electrode potential lower than aluminum to a level in a range of 5-90 mole% based on the original content of the free carboxyl group;
- and
- a votive rust preventive selected from one or more amine salt compounds in an amount of at least 0.5 parts by weight per 100 parts by weight of the olefin-base resin.
Dependencies are inferred from the claim text.