Want to control water loss, modify a crystal, disperse, stabilize

Want to control water loss, modify a crystal, disperse, stabilize, flocculate, thicken or provide conductivity? Have we got polymers for you.

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National's new family of j ^ fibers or as conductive polystyrene sulfonates, called γ polymers for paper or VERSA-Tlir can do lots for you. [ synthetic systems. With this full line of They consist of a broad range of molecular weights from 6,000 polystyrene sulfonates, we can to 7,000,000. They have a high find or make the precise one to charge density, thermal meet your specific application stabi I ity above 300° C, water 1 requirements. All it takes is the solubility, and a very high . coupon below or a phone call degree of sulfonation.This to Dr. Chester Szymanski. makes them ideal for a variety ^ (201)755-4100. L. - ' " ' of applications. f ^^^^^^^ÊÊmm^^,^. Use them as water loss National Starch & Chemical Corporation ! 1700 West Front Street control agents for cements, as I Plainfield, New Jersey 07063 crystal modifiers, or as Dear Chester: dispersants for clays, pigments I'm looking for a or other particulate systems. D Rocculant D Crystal Modifier Our VERSA-TL polymers act D Dispersant D Electro Conductor . D Fluid Loss D Stabilizer as stabi!izers for col loidal -^^^^^^^^HBHHHHB ' Control Agent π Thickener silica, as flocculants for various , . types of water processing, or as ^ ^ ^ ^ ^ g ^ B B B d H B i S ^ Name • Title J! : : thickeners for aqueous or Company ^ organic glycol or polyol Mj^^H^P*^ systems. VERSA-TL can also be Address 1 used as anti-stats for fi Ims, City State .Zip: ^ Λ

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» f # f e A TALENT FOR INVENTION. STARCH AND CHEMICAL CORPORATION ^ V N A T I O N A LL STAR( CIRCLE 1 55 ON O N READER SERVICE CARD