Vol. 81 No. 6 (2022)
ADHESION

Adhesive Properties of Vulcanizates Based on Various Butadiene-Nitrile Rubber Grades Investigation

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  • I.I. Bobrova,
  • L.N. Sinelnikova,
  • S.V. Kotova,
  • Yu.A. Gamlitsky

Published 2022-12-26

How to Cite

[1]
Bobrova И., Sinelnikova Л., Kotova С. and Gamlitsky Ю. 2022. Adhesive Properties of Vulcanizates Based on Various Butadiene-Nitrile Rubber Grades Investigation. Kauchuk i Rezina. 81, 6 (Dec. 2022), 292–297.

Abstract

The paper evaluates the adhesive characteristics of rubbers based on various brands of butadiene-nitrile rubbers: SKN-18MNT, SKN-26MNT, SNK-40SMNT synthesized in the presence of a sulfonate emulsifier, BNKS-18AMN, BNKS-28AMN, BNKS-40AMN synthesized in the presence of a paraffinate emulsifier, and SKN-2655A, obtained on in a mixed emulsifier, by the following methods: determination of bond strength during delamination according to GOST 6768; assessment of adhesive properties by the H-method according to GOST 14863-69; measurement of stress-strain state (SSS) using samples with an oblique thread. The highest bond strength during delamination are rubbers based on rubber SKN-2655A. The maximum strength index according to the H-method has a rubber-based rubber sample with a content of BNKS-40AMN. Elastomeric compositions based on rubber with a content of BNKS-28AMN have 53% more endurance during dynamic tests relative to samples with a content of BNKS-18AMN. The influence of the marginal.

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