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Maleic resins

Malinic acid glycerol resin is prepared from rosin and unsaturated polyacid as basic materials, rosin and maleic anhydride by addition reaction and esterification with glycerol. It is refined, decolorized and modified. The varnish produced by this product has the advantages of high brightness, high hardness and strong adhesion.


Product performance:
1. Light color, low odor, high softening point, strong light resistance, not easy to yellowing, smooth after drying, high hardness.
2. Soluble in aromatic solvents, slightly soluble in aliphatic hydrocarbons and alcohols.
3. Good compatibility with various polymers.
4. Fully soluble in coal char, esters, vegetable oils, turpentine oils and alcohols.


Main uses:
1. Polyester, nitro, polyurethane and road marking paint.
2. Hot-melt adhesives.
3. Gravure printing ink.
4. Suitable for making paints, nitrolacquers, inks and adhesives.
5. 424W is used in the foam of anti-theft door.


Packing:
Compound kraft paper bags, net weight 25 kg.

 

Specifications:

   Type   

422A

422W

423

424W

Softening Point (R&B),℃

≥130

≥128

≥142

≥120

Color ( net Gardner)

3-4

5-6

4-5

4-5

Acid Value ,mgKOH/g  max

≤30

≤30

≤38

≤16

溶解度

Solubility

clean

clean

clean

clean

shape

Grain

Grain

Lump

Grain