0W^s&M§j^^méAw^^^m^^^M^^M^É£u^m^m work»hors e of thé WSS^^ESK^E^^^^^SL^^^^^!^.
{Ç.2'^-"- '"''M^li''"i-' 1 ' 1 'JL -^^· , : ι -.eeeL "'"
Kentek Heyden Pentek—the best known name in pentaerythrito!—is becoming the "work-horse" of the surface coatings industry. Leading manufacturers are using it to advantage in a steadily increasing variety of alkyds, drying oils, rosin esters, and in situ varnishes for more durable and better looking finishes.
HEYDEN
You can prove for yourself that the dependable performance of Pentek and Heyden's long experience in meeting the exacting needs of resin producers can help you turn out a better product. Heyden's complete line also includes these related pentaerythritols for applications requiring special properties: R S O N C r E m E K ® (Monopentaerythritol) Dl P E N T E Κ (Dipentaerythritol, Technical) T R I P E N T E K ® (Tripentaerythritol, Technical) P E N T A E R Y T H R I T O L , Nitration Grade What are your polyol requirements? O u r technical and sales staffs would welcome the opportunity to discuss them with you.
ΤΜΓ® I IVÏ L·
(Trimethylolethane) For alkyds, polyesters, isocyanate resins, and synthetic drying oils.
H Ε Y D Ε Ξ Ν CHEMICAL· CORPORATION 342 M a d i s o n A v e n u e , N e w Y o r k 1 7 , M. V . CHICAGO · CINCINNATI · DETROIT · PHILADELPHIA · PROVIDENCE · SAN FRANCISCO
Benzatdehyde · Benzoic Adds · Benzy! Chloride * Bsts-GxyriaphttiGSe Acid · Chiorotoiuenes · Creosotes · Formaldehyde · Formic Acid · Guaiacols Parahydroxybenzoates · Pentaerythritols · Propyl Gallate · Resoreino! * Salicylates * Salicylic Acid · Sodium Benzoate · Sodium Formate
4 3 7 2
C&EN
O C T . 17, ! 9 5 5