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Antifriction coating formulation compositions

A technology of anti-friction coating and composition, which is applied in the field of anti-friction coating preparation composition, and can solve problems such as mixed metal sulfide anti-friction coating solid lubricants, etc.

Active Publication Date: 2021-12-28
ディーディーピースペシャルティエレクトロニックマテリアルズユーエスナインエルエルシー
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these prior art references are silent on the use of mixed metal sulphides as solid lubricants in antifriction coatings

Method used

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  • Antifriction coating formulation compositions
  • Antifriction coating formulation compositions
  • Antifriction coating formulation compositions

Examples

Experimental program
Comparison scheme
Effect test

example

[0035] Examples of Series I: abrasion resistance test

[0036] Example compositions are prepared using the raw materials shown in Table 1.

[0037] Table 1

[0038]

[0039]

[0040] CO x Mo (1-x) S 2 Preparation

[0041] The stoichiometric amount of ammonium sulfide [(NH2 4 ) 2 S] and ammonium heptamolybdate [(NH2 4 ) 2 Mo 7 O 24 -4H 2 O] were combined and stirred in an aqueous solution at 60 ℃ 1 hours (during which the solid was completely dissolved). At 60 deg.] C and the resulting aqueous solution with a stoichiometric quantity of cobalt acetate [Co (C 2 Hide 3 O 2 ) 2 ] Aqueous solution was added dropwise from the addition funnel to the common solution of acetic acid and allowed to stir for one hour. The resulting solid material {(NH 4 ) 4 [Co (MoS 4 ) 3 ]} Was filtered and dried at 80 ℃. The dried material was then placed in a nitrogen purged oven, ramped up to 500 ℃, and maintained for about one hour and the solid product was restored sulfide into the final. After heati...

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Abstract

An antifriction coating formulation composition is disclosed. The antifriction coating formulation composition contains (a) a resin and (b) a metal sulfide containing molybdenum and cobalt, and optionally (c) a solid lubricant other than the metal sulfide and (d) a solvent. A coated film formed from the antifriction coating formulation composition provides better wear resistance as well as good coefficient of friction.

Description

Technical field [0001] The present invention relates to a friction reducing coating compositions formulated, anti-friction coatings formed from the composition and the sliding member having a friction reducing coating of said. Background technique [0002] Antifriction coating for improving the sliding characteristics for industrial machinery, construction machinery and automobile components are known in the art. Typical antifriction coating composition comprising a resin binder, a solvent and a solid lubricant. The solid lubricant is to reduce the effect of the contact surfaces in relative motion and friction wear and provide protection from damage. Known solid lubricants include molybdenum disulfide (MoS 2 ), Graphite and polytetrafluoroethylene (PTFE). [0003] Although the molybdenum disulfide comprises a friction-reducing coating shows excellent sliding properties, but always want to continue to improve wear characteristics. WO 2016 / 073341 A discloses a connecting rod compri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M161/00
CPCC10M161/00C10M2201/0653C10M2201/0663C10N2050/025C10N2020/06C10N2030/06C10M2209/1033C10M2217/0443C10M2217/0453C10N2010/12C10M103/02C10M103/06C10M107/38C10M107/44C10M111/04C10M2201/0413C10M2213/0623C10N2040/04C10N2040/25C10N2040/30C10N2050/08
Inventor M·穆什拉什R·摩根M·夏尔马G·韦伯
Owner ディーディーピースペシャルティエレクトロニックマテリアルズユーエスナインエルエルシー