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What's the different Hydrocarbon Resin C9 from Hydrocarbon Resin C5

- Dec 21, 2018 -

The aromatic characteristics of the feedstocks are preserved in the final resin polymer so the molecular weight and solubility properties of C9 resins are considerably different from those of C5, aliphatic tackifiers.


Since C9 resin oil is a relatively unrefined material, its polymerization leads to much darker resins than other hydrocarbon resins. Due to their aromatic structure, C9 resins are more compatible with polar elastomers than C5 resins. 

They are most commonly used in systems based on styrene butadiene rubber, styrene-butadiene-styrene block copolymers, polychloroprene rubber, ethylene vinyl acetate copolymers with high levels of vinyl acetate (>28%), chlorinated paraffins, paints, and concrete curing compounds.

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