TETRACHLOROBISPHENOLA... makes fire-retardant epoxy, polyester and polycarbonate resins
SANTICIZER 8 8...protects and improves PVAc adhesive rubberto-metal bonds
P^-TOLUENESULFONAMIDE.. gives lower-cost mildew protection to paints
TCBP-A can be used to produce new resins with built-in fire protection. Resin formulators find that flameretardant resins create new markets for myriad uses in bonding, foaming, casting, coating, and fabrication of structural laminates. The TCBP-A structure in the resin adds fire resistance to chemical resistance. As an example, flame-retardant epoxies (self-extinguishing by ASTM Test) can make "fire break" coatings for industrial plants and fire-resistant electrical panels; the polyesters can make fire-resistant building panels. In addition to fire resistance, most resins made with TCBP-A have excellent flexural and compressive strength and high temperature stability. For example, polycarbonates made with TCBP-A show outstanding strength at high temperatures . . . plus greatly increased toughness.
Polyvinyl acetate emulsion adhesives, plasticized with Santicizer 8, defy the solvating action of oils and greases . . . and d e v e l o p highstrength "grip" between a wide variety of hard-to-bond materials, such as rubber to metal. Santicizer 8, a high-polarity plasticizer compatible with many resins, imparts good flow and wetting action, assures strong, quick tack and long-lasting flexibility.
Protecting water-base paints against fungi-souring in the can is good insurance for a brand's shelf life. And, protecting the applied oil-base and water-base films against the formation of discoloring fungus stains and "blotches"—no matter how severe the humidity exposure—is a distinct selling benefit. Such antimildew paints are particularly needed for white house paints used in the South. PTSA offers its protection against mildew formation to coating and impregnating varnishes, house paints, masonry paints and interior decorative finishes. Added as part of the solids in a range of 2 to 8%, PTSA prevents the growth of mold and mildew even under the high temperature and humidity of the tropics. PTSA blends readily into paint, varnish, and lacquer formulations. The free-flowing white powder does not interfere with pigmentation, is non-irritating and cuts the cost of formulating a mildewresistant paint by approximately 50% compared to earlier anti-fungal additives.
Depending upon the degree of flexibility desired, the amount of Santicizer 8 in the formulation may range from 5 to 20 parts of the emulsion. For more dependable bonding of tough-to-join surfaces, try Santicizer 8 in your PVAc emulsion adhesives.
Monsanto Task Force Chemicals W Effective quality protection makes a product more valuable . . . but an expedient measure, like a new container or temporary preservative, may not be sufficient. Chemical defenses, built right into the product itself, safeguard quality all through manufacture, storage, and in use. Built-in protection pays off in stability, longer service life, and other advantages for you and your customers. Check the benefits "built in" by the six protective products described above. Monsanto supplies a variety of compounds that protect color, clarity, retard oxidation, build resistance to heat stress, and stop destructive microorganisms. Could your products be improved by such built-in "bodyguards"?
S ΑΝ Τ 0 LEN E K C . . . makes hydro carbon products non-corrosive to metal Santolene C inhibits rust formation in storage tanks, drums and metal packages by "plating out" a waterinsoluble protective barrier film on the metal surface. It is an ashless organic liquid completely soluble in all kinds of petroleum distillates and derivatives and in most aromatic hydrocarbons. A brown mobile liquid—Santolene C makes hydro carbons noncorrosive when "dosed" with concentrations in the range of 10 to 50 ppm. A major use of Santo lene C is the protection of pipelines, tankers, and storage tanks used to store gasoline, petroleum solvents, fuel oil, and refinery fractions. Santolene C is a one-shot, one-dose protectant. . . even when metered into pipelines hundreds of miles long. It offers a dependable way to length en equipment life and protect prod ucts from contamination by metal corrosion.
SANTICIZER 1 6 0 . . .protects nitrocellulose lacquers from rancid odors and possible "spewing"
CYCLOHEXANOL "solubility bridge"...safeguards the sta bility of many resinous emul sions and polishing compounds
Why have many lacquer makers re placed castor oil in nitrocellulose formulations? Answer: Santicizer 160 plasticizer . . . for these reasons: 1. Castor oil has a low compatibility with nitrocellulose. To obtain needed lacquer properties, formulators sometimes exceed the compatibility limit. Consequently, exudation or "spewing" occurs. Partial or com plete replacement of castor oil with Santicizer 160 helps eliminate the compatibility problem to prevent "spewing." 2. Castor oil may and often does give off a rancid odor. With chemi cally made Santicizer 160 . . . no odor whatever. 3. The lacquer formulator often must adjust castor oil viscosity to im prove water resistance. Frequently this affects the film color. With Santicizer 160, no viscosity adjust ment is necessary. 4. Santicizer 160 is dependable in price and supply; does not fluctuate in cost and availability as do natural materials. For these four good reasons, more and more lacquer makers are pro tecting their nitrocellulose lacquer quality and performance by formu lating with Santicizer 160.
Where incompatibility of a formu lation's components is a problem in a product's manufacture or perform ance, versatile Cyclohexanol may provide the answer. It's a mutual solvent for many resins, waxes, oils, and water . . . is used as a fast blend ing agent and reliable stabilizer in polishes, creams, greases, and resin mixtures. Cyclohexanol stabilizes the emulsion of oil-type water-base paints; improves flow-out and gloss of cellulose nitrate lacquers; "car ries" the water content of specialized dry cleaning compounds; stabilizes textile scouring preparations and helps emulsify wool grease. It acts as a mutual solvent for alkyd resins, nitrocellulose, rosin, rubber poly mers, vinyls, oils, and g u m s . . . effec tively countering their incompatibil ities. Cyclohexanol's strong solvating action makes it especially valuable in vapor degreasing formulations . . . or as a stable blender-emulsifier in leather dressings, polishes, and floor waxes. If you're concerned about homogenization of resinous emul sions, chances are that versatile Cyclohexanol can improve and stabilize your products.
Mission today: BUILT-IN PROTECTION #
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Please send more information about: Π Tetrachlorobisph enol A Π Santicizer 8 Π pora-Toluenesulfonamide
MONSANTO CHEMICAL COMPANY Organic Chemicals Division Task Force Chemicals, Department 2762-X St. Louis 66, Missouri
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Π Santolene C Π Santicizer 160
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Π Cyclohexanol
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