When more DBA is added, the excess activator NaH and DBA are equivalent to fillers, which cannot provide polar groups for the molecular chain of butyl rubber and the aggregation phenomenon within the polymer is serious, the molecular chain movement is limited, and the damping factor shows a decreasing trend.
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Novel hydrophobic butyl rubber damping composites modified with bio-based PF/DBA via the construction of a three-dimensional network.
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