Brominated Styrenic Polymer Compositions and Processes For Producing Same
AssigneeAlbemarle Corporation
InventorsRonny W. Lin, Charles H. Kolich, Douglas W. Luther
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Abstract
This invention provides a multimodal brominated anionic styrenic polymer composition. The composition is comprised of at least two brominated anionic styrenic polymer weight fractions which have different weight average molecular weights. Also provided by this invention are processes for producing multimodal brominated anionic styrenic polymer compositions.
Claims19
A multimodal brominated anionic styrenic polymer composition which is comprised of at least two brominated anionic styrenic polymer weight fractions which have different weight average molecular weights.
A process for producing a multimodal brominated anionic styrenic polymer composition, which process comprises mixing together at least two brominated anionic styrenic polymer weight fractions which have different weight average molecular weights.
In a process for brominating an anionic styrenic polymer, the improvement which comprises that the anionic styrenic polymer being brominated is
- a) at least one multimodal anionic styrenic polymer,
- b) at least two anionic styrenic polymer weight fractions which have different weight average molecular weights, or
- c) a combination of a) and b).
A flame retardant composition which comprises a blend of at least one thermoplastic polymer or at least one thermoset polymer or resin and a flame retardant amount of at least one multimodal brominated anionic styrenic polymer composition which is comprised of at least two brominated anionic styrenic polymer weight fractions which have different weight average molecular weights.
Dependencies are inferred from the claim text.