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W e are specialists . . . ion exchange specialists. Concentrating in the field of high polymer chemistry, Chemical Process Company has d e veloped and produced adsorbent resins f o r numerous applications including:
SPECIFIC
PRODUCTS
O N E OF O U R
DEVELOPED
BY
Water treatment Removal of acids and impurities from industrial solutions Chemical waste treatment Pharmaceutical manufacturing Resin therapy
OUR
LABORATORIES
INCLUDE:
DUOLITE A N I O N EXCHANGERS
DUOLITE CATION EXCHANGERS
Duollto A-2. A porous acid-adsorbing resin inert to organic solvents. Duollto A-4. A porous acid-adsorbing resin resistant to reducing sugars. Duollto A-6. A porous acid adsorbing resin with ter* tiary amine groups which exhibits maximum thermal stability among anion exchangers. Duollt· A-7. A porous acid adsorbing resin with high capacity. Useful for most deacidification operations. Duollto A-40. A monofufictional strongly basic resin with true salt-splitting ability. Duollto A-41. A difunctional resin of intermediate basicity possessing an appreciable proportion o f its capacity in the form of quaternary groups. Duollto A-42. A monofunctional strongly basic resin with true salt-splitting ability which is more resistant to high temperatures than A-40 or A-41. Duollto A-43. A modification of A-41 available in experimental quantities. Duollto A-44. An improved strongly basic anion ex changer available in experimental quantities. Duollto A-47. A difunctional vinylpyridine resin avail able in experimental quantities. Duollto A-70. A resin intermediate in basicity berwecn Duolite A-7 and A-40. Duollto A-30 (formerly Duolite A·500). A high den sity resin with good thermal stability and intermediate basicity.
Duollto C-3. A porous phenolic-base cation exchang er with sulphonic acid exchange groups. Duolite C-IO. A very porous cation exchanger out standing in its ability to adsorb large organic molecules. Chempro C-20. Polystyrene cation exchanger. A stand ard resin for water softening. Chempro C-21. A modified form of Chempro C-20 for hydrogen cycle work. Duollto C-60. A phosphonus cation exchange resin. Duollto C-61. A phosphonic cation exchange resin. Duollto C-65. A phosphoric acid cation exchange resin available in experimental quantities. Duollto CS-100. A car boxy lie cation exchange resin with a porous rigid matrix. Duollto CS-101. A high capacity carboxylic cation ex change resin.
y
DUOLITE ADSORBENT RESINS
Duollto S-10. A resin which adsorbs dissolved oxygen from aqueous solutions by true electron exchange. Duollto S-30. A porous resinous adsorbent with a large active surface. Duollto S-35. A resinous adsorbent available in ex perimental quantities. Duollto Zwlttorlon Resinous Adsorbent. This resin contains both carboxylic and amine groups.
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RESINS
CHEMICAL 3 0,
NO.
PROCESS 52
·
COMPANY
DECEMBER
2 9,
19 5 2
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