Which Eastman chlorinated polyolefin (CPO) should be used as an additive to an ink or coating?

Eastman chlorinated polyolefins CP 343-3 and CP 515-2 are suggested for additive applications. The higher chlorine level of Eastman chlorinated polyolefins CP 343-3 and CP 515-2, relative to other Eastman CPOs, provides greater solubility and compatibility for additive purposes.

What is the major difference between Eastman chlorinated polyolefin 343-3 and Eastman chlorinated polyolefin 515-2?

Eastman chlorinated polyolefin 343-3 and Eastman chlorinated polyolefin 515-2 are made from different base polymers, but both have approximately 30 wt% chlorine levels that make them more soluble and more compatible with other coating resins and solvents. Eastman chlorinated polyolefin 343-3 and are used in coatings, inks, and adhesives applications.

Which solvent borne adhesion promoters are recommended for use as stir-in additives to paints, inks, or adhesives?

Eastman chlorinated polyolefin 343-3 and Eastman chlorinated polyolefin 515-2

What is an adhesion promoter?

An adhesion promoter is used as an additive or as a primer to promote adhesion of coatings, inks, or adhesives to the substrate of interest. An adhesion promoter usually has an affinity for the substrate and the applied coating, ink, or adhesive. Without the adhesion promoter, the properties of the applied coating may not be sufficient to meet the performance requirements needed for the end product such as a painted automotive plastic surface. In automotive coatings, the term adhesion promoter refers to the primer, which achieves adhesion of the subsequent paint layer to TPO substrate. This adhesion promoter is usually comprised of chlorinated polyolefin (CPO) as the active adhesion-promoting component, other resins, and pigment.

Is a bond or permit required to purchase Eastman denatured ethyl alcohols?

Neither a bond nor a permit are required to purchase Eastman’s denatured ethyl alcohols (Eastman Tecsol™ alcohols). Eastman Tecsol™ special industrial solvents are intended for use as ingredients or solvents in manufacturing processes and may not be distributed through retail channels or reprocessed into other solvents containing more than 50% alcohol by volume. However, special industrial solvents may be reprocessed into other special industrial solvents without adhering to the 50% alcohol by volume restriction if the manufacturer has an industrial alcohol permit. Special labeling requirements of the ATF (Bureau of Alcohol, Tobacco and Firearms) apply. Eastman Tecsol™ solvents may be used in industrial operations and in the manufacture of articles for sale, such as printing inks, and as latent solvents in cellulosic coatings.

What is Eastman triacetin, and how is it used?

Eastman triacetin (glyceryl triacetate) is a plasticizer for cellulose resins and is compatible in all proportions with cellulose acetate, nitrocellulose, and ethyl cellulose. Eastman triacetin imparts plasticity and flow to laminating resins, particularly at low temperature, and is also a plasticizer for vinylidene polymers and copolymers. As a specialty solvent, this product has low volatility and low toxicity. In some pharmaceutical preparations, this product is a solvent and a carrier for flavoring agents. Applications also include compounding perfumes as a solvent and a fixative. Eastman triacetin can also be used in inks for printing on plastics and nonabsorbent surfaces.

What plasticizer is used widely in adhesives?

Eastman DBP (dibutyl phthalate) is a colorless, odorless liquid commonly used as a solvent and plasticizer. It is miscible with most organic solvents and insoluble in water. This plasticizer is used extensively in the adhesives industry to plasticize polyvinyl acetate (PVA) emulsions. The low viscosity and compatibility of Eastman DBP make this plasticizer ideally suited for PVA-based adhesives for bonding cellulosic materials. In addition, Eastman DBP is an excellent solvent for many oil-soluble dyes and peroxides and in the coatings industry as a primary plasticizer-solvent for nitrocellulose lacquers.

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