Method for manufacturing nitrile-based rubber, nitrile-based rubber manufactured thereby, and rubber composition comprising same rubber
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United States of America
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Mar 4, 2025
Grant Date -
Mar 24, 2022
app pub date -
Oct 8, 2020
filing date -
Oct 8, 2020
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Abstract
Provided are a preparation method of a nitrile-based rubber, a nitrile-based rubber prepared therefrom, and a rubber composition including the nitrile-based rubber, and the nitrile-based rubber has a low content of a residual emulsifier and excellent mechanical physical properties by using a emulsifier mixture including a first emulsifier including a sulfosuccinate ester-based compound, and a second emulsifier including a fatty acid or a metal salt thereof, or a rosin acid or a metal salt thereof, each of which has 12 to 18 carbon atoms and a monocarboxyl group, wherein the first emulsifier and the second emulsifier are included at a weight ratio of 2:1 to 6:1.
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