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STYRENE MALEIC ANHYDRIDE COPOLYMER

cm7840

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

185

1–2

60

2800

7000

97

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

n-Hexane

Toluene

Ethanol

Acetone

MEK

THF

Ethyl Acetate

<1

<1

<1

>50

>50

>50

>50

General Description
CM 7840 is a partial monoester resin made from styrene and maleic anhydride. This resin balances higher styrene content with solubility in aqueous solutions. This resin has a lower glass transition temperature and low melt viscosity.

Properties

  • Excellent compatibility with a broad range of formulation ingredients
  • Polymeric surfactant
  • Excellent solvent solubility
  • Improved adhesion to plastic film
  • High solids solutions in aqueous base

Applications and Utilities

  • Pigment dispersion
  • Surfactant
  • 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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