Method for rust prevention treatment of metal parts, and rubber composition

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A rubber composition with aliphatic amines and nonionic surfactants prevents rust on metal parts by inhibiting crystallization, ensuring effective rust prevention and maintaining the metal's appearance.

JP2026093368APending Publication Date: 2026-06-08KAO CORP

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Patent Information

Authority / Receiving Office: JP · JP
Patent Type: Applications
Current Assignee / Owner: KAO CORP
Filing Date: 2025-11-25
Publication Date: 2026-06-08

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Abstract

The present invention relates to a method for applying rust prevention treatment to metal parts using a rubber molded article obtained from a rust-preventive rubber composition. [Solution] In one embodiment, the present invention relates to a method for rust prevention of metal parts, comprising contacting a molded rubber body obtained from a rubber composition containing one or more rubber composition additives selected from the group consisting of aliphatic amines and nonionic surfactants with a metal, or to a rubber composition used in the said rust prevention method for metal parts, which contains one or more rubber composition additives selected from the group consisting of aliphatic amines, nonionic surfactants and maleic acid ester compounds.

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