Synthesis of styrene-soluble ionic comonomer

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Reexamination Certificate

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C526S192000

Reexamination Certificate

active

07919641

ABSTRACT:
A method for the in-situ preparation of an ionic comonomer, such as zinc dimethacrylate, dissolved in styrene monomer, for use in production of polystyrene is disclosed. The method generally includes adding comonomer chemical precursors to a solution of styrene and nonionic surfactant. The resulting ionic comonomer may be further dissolved in styrene and polymerized to form a product that may have improved properties.

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