Try DuPont's new Sodium Sty rene Sulfonate for conversions to copolymers as high as 9 0 % . CH,= CH ^ j H S O j N a This monomer reacts more completely than other sulfonated vinyl monomers in polymer R&D. Conversions as high as ninety percent monomer to copolymer* top the list of advantages offered by DuPont's Sodium Styrene Sulfonate (SSS). These near complete reactions result in better control of the molecular weight and composition of copolymers. They also reduce the need for recycling or disposal of unreacted monomer. Discover the other advantages of S S S . You'll also find many other interesting R&D opportunities in this unique reactive monomer. For example, its strong anionic sulfo nate group increases copolymer dye receptivity, antistatic and hydrophilic properties. This anionic group also suggests use of SSS as an intermediate for water solu ble polymers or copolymers. Its sulfonate group resists salinity, divalent cations and low pH better than a carboxylate group. With SSS, performance im provements are possible in such applications as flocculants, dispersants, fibers (where its low color is important), plastics, latexes, coat ings, and nickel brighteners. Investigate DuPont SSS in your polymer research program. For more technical information and a sample, write on company letterhead to: DuPont Company G.S.-Rm. X39832, Wilmington, DE 19898; EUROPE-P.O. Box CH-1211, Geneva 25, Switzerland; JAPAN-11-39 Akasaka 1-chome, Minato-ku, Tokyo 107.
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