Rosin Modified Maleic Anhydride Resin

They are used in paint and coating industries widely, for production of phenolic paints (throughpolymerization with plant oils).
Rosin Modified Maleic Anhydriade Resin


Rosin Modified Maleic Anhydriade Resin is the slight yellow transparent solid, which is adducts of gum rosin and maleic adhydride through the eaterification by glycerol or pentaerythritol.

Features

Soluble in coal tars, esters, turpentine oil; insoluble in alcoholic solvents; partially soluble in petroleum solvents, soluble well in plant oils. Which with the advantages of stabile color, resistant to yellowing, good heat resisitant and adhesion.

Specifications
Items
RC125
RC125B
RC130
RC130A
RC130B
Color (Gardner Grade) Max
5
8
3
5
8
Softerning point (Ring & Ball),
125 ± 2
125 ± 2
130 ± 2
130 ± 2
130 ± 2
Acid volue, mgKOH/g, ≤
20-30
20-30
20-30
20-30
20-30
Solubility in Benzene 1:1
Compatible, clear

Remark

The esterification by glycerol or pentaerythritol is subject to the customer's requirement.

Typical Uses

They are used in paint and coating industries widely, for production of phenolic paints (throughpolymerization with plant oils); improve hardness of paint films, gloss and rubbing property for Polyesters, Nitro and PU paints.

Forms and Packaging
Bag: beads or flake, kraft paper bag or plastic intertexture bag, 25kgs net each bag.