Preparation and Performance Study of Carboxylated Nitrile Rubber Based on Phase Transfer Catalysis: Screening of Optimal Catalyst System.

Polymers (Basel) · 2026 · PMC13074642 · PMID 41977578

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a decreasing trendno p-value reported

As carboxyl content increased, crosslink density significantly increased, leading to marked improvement in tensile stress at given elongation, tensile strength, and hardness, while elongation at break showed a decreasing trend.

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showed a trendno p-value reported

As carboxyl content increased further, vulcanization time showed a trend of first prolonging and then shortening, decreasing to 11.4 min for HX-NBR.

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