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Lewisol™ 29-M
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Producer: 
Eastman
Brand: 
Lewisol
Lewisol™ 29-M resin is a glycero-ester of rosin modified with maleic anhydride. This is a hard, thermoplastic resin with particularly low color that offers excellent solubility, good solvent evaporation, good resistance to oxidation and low viscosity in solution for making RS Nitrocellulose lacquers. These and other properties make Lewisol™ 29-M resins particularly suitable for use in lacquers, low temperature heat cured enamels; RS Nitrocellulose based printing inks, and grease resistant coatings.

Lewisol™ 29-M

Producer: 
Eastman
Brand: 
Lewisol
Lewisol™ 29-M resin is a glycero-ester of rosin modified with maleic anhydride. This is a hard, thermoplastic resin with particularly low color that offers excellent solubility, good solvent evaporation, good resistance to oxidation and low viscosity in solution for making RS Nitrocellulose lacquers. These and other properties make Lewisol™ 29-M resins particularly suitable for use in lacquers, low temperature heat cured enamels; RS Nitrocellulose based printing inks, and grease resistant coatings.
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Identification & Functionality

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Features & Benefits

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Labeling Claims
CASE Ingredients Features

Applications & Uses

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Recommended Applications
  • Adhesives/sealants-B&C
  • Carpet construction
  • Commerical printing inks
  • Film modification
  • Paints & coatings
  • Polymer modification
  • Protective coatings
  • Road markings
  • Roofing ingredients
  • Solder flux
  • Tires
  • Wax ingredients
  • Wire/cable

Properties

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Compatible Resins & Binders
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Acid Number40.0mg KOH/g-
Color, Gardner4.0--
Description, Base ResinMaleic acid modified glycerol ester of gum rosin--
Ring and Ball Softening Point123.0°CASTM E 28
Solubility in Water at 20°Cnegligible--
Specific Gravitymin. 1--
Vapor Pressure at 20°Cnegligible--
Viscosity (60 % in Xylene)E-J--
Volatiles at 20°Cnegligible--
Physical Form
solid
Incompatible with
Cellulose Acetate
Compatibility and Solubility

Lewisol™ 29-M resin is fully or partially compatible (but in practically useful proportions) with RS Nitrocellulose chlorinated rubber, polyvinyl chloride and ester type waxes. It is partially compatible with ethyl-cellulose and EHEC (Ethyl-Hydroxy-Ethyl-Cellulose), and is incompatible with cellulose acetate.
This resin is soluble in esters, ketones and aromatic hydrocarbons, and is insoluble in aliphatic solvents and alcohols.

Packaging & Availability

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Storage & Handling

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Storage

The large contact surface the pieces of resin present make them susceptible to gradual oxidation, which can be more advanced in some batches than others. This can cause darkening and/or affect the resin’s solubility in organic solvents and compatibility with polymers. Therefore, we strongly recommend keeping strict control of inventories at all times, and taking special care to ensure that the oldest material is used first. We suggest a shelf life of 6 months for this product.

Documents (1)

Name
Type
Lewisol 29-M Resin Sales Specifications Sheet
Other