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STYRENE MALEIC ANHYDRIDE COPOLYMER

cm7940

Typical Physical and Chemical Properties

Appearance

Acid #, mg
KOH/gm

Color, Gardner scale

Tg, Degree Centigrade

Molecular
weight, Mn

Molecular
weight, Mw

Nonvolatiles,
% min.

Off White

110

1

75

4200

10500

97

Solubility, gms/100ml solvent @ 25 degrees Centigrade.

n-Hexane

Toluene

Ethanol

Acetone

MEK

THF

Ethyl Acetate

<1

15–50

<15

>50

>50

>50

>50

General Description
CM 7940 is a partial monoester resin made from styrene and maleic anhydride. It is a low-gloss additive for powder coatings. In comparison to other similar resins, this product has a broad solubility in solvent resins systems.

Properties

  • Excellent compatibility with a broad range of formulation ingredients
  • Compatibility with epoxy resins

Applications and Utilities

  • Powder coatings
  • Paints


The information in this bulletin is thought to be accurate, but all recommendations and suggestions are made without warranty since the conditions of the use of the resins are outside of T -Global Chemicals control. The properties listed are illustrative only and are not product specifications. T-Resins Inc. and T -Global Chemicals LLC disclaims any liability in connection with the use of the information, and does not warrant against infringement by reason of the use of its products in combination with other material or in any process.

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