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Alkyd Resins for Ambient Temperature Drying Coatings

Alkyd resins are formed by the condensation reaction of oil or fatty acid, acid and polyol. They are used in various applications and materials. In particular, medium and long-oil alkyd resins and modified alkyd resins can form strong films when dried with a dryer.

Applications

  Architectural Marine/
Heavy duty
Automotive Electric
Appliances
Machinery Metal Wood/
Floor
Drying Alkyd Resin 1 1 1   1 2 2
Modified Alkyd Resins Vinyl Modified   2 2     1 2
Phenol Modified   1   2 1 1  
Epoxy Ester Modified   2   2 2 1  
  • * 1:Optimal 2:Standard

Types of Alkyd Resins and Their Characteristics and Applications

  Oil Length (%) Strengths Weaknesses Applications
Oil-free 0 Color retention,
flexibility, gloss,
weatherability
Solubility,
pigment,
dispersibility
PCM, general metal,
thermosetting
Short-oil 25~45 Workability,
pigment dispersibility
Weatherabiity Solid color for automobile,
thermosetting lacquer
Medium-oil 45~58 Drying property, gloss Workability Industrial machinery
general metal,
dryer ambient temperature curing
Long-oil 58~75 Workability, durability,
environmentally friendly
Drying property Construction, marine vessel,
bridge, dryer ambient
temperature curing
Ultra-long-oil 75< Environmentally friendly,
high solid
Drying property Putty, caulking agent,
dryer ambient temperature
curing

Product Lineup

Medium-and Long-Oil Alkyd Resin: ALUKIDIR (former trade name: BECKOSOL)

Product Name Oil type Oil Length
(%)
Phthalic
Anhydride
(%)
Non-volatile
Content
(%)
Viscosity
(Gardner / 25°C)
Acid Value
(mg KOH/g)
Solvent Features / Applications
ES-5103-50-X Soybean 50 20 49.0~51.0 V~X ≦5.0 Xylene Machinery hardness,
recoatability/
air drying, industrial

Modified Alkyd Resins: Types, Characteristics, and Applications

Product Name Modifier Strengths Weaknesses Applications
Rosin modified Alkyd resin Rosin Corrosion resistance,
water resistance,
gloss, hardness
Weatherabiity Primer, metal product
Phenol modified Alkyd resin Phenolic resin Adhesion,
chemical resistance
Weatherabiity Primer,
industrial machinery
Epoxy modified Alkyd resin Epoxy resin Corrosion resistance,
adhesion,
chemical resistance
Weatherabiity Primer, metal product
Vinyl modified Alkyd resin Vinyl monomer Fast drying,
hardness,
Weatherability
Re coatability,
flexibility,
compatibility
Top coat,
pattern finish,
metallic ink
Silicone modified Alkyd resin Silicone resin Weatherability Fast drying Top coat,
heat resistant coating

Modified Alkyd Resins: ALUKIDIR (former trade name: BECKOSOL, STYRESOL)

DIC Resin BKO and DIC Resin SS are vinyl-, phenol- or epoxy-modified alkyd resins.

Product Name Oil type
Modifier
Oil Length
(%)
Phthalic
Anhydride
(%)
Non-volatile Content
(%)
Viscosity
(Gardner / 25°C)
Acid Value
(mg KOH/g)
Solvent Features / Applications
M-2168-50 Linseed,
tung,
phenol
modified
33 39 49.0~
51.0
W~Y 10.0~
17.0
Xylene Adhesion, corrosion resistance,
recoatability/
air drying
industrial machine drying
P-794-55 Linseed,
fatty acid,
epoxy
modified
25 - 54.0~
56.0
Z2~Z4 ≦0.8 Xylene, Isopropyl alcohol Metal primer corrosion
resistance/
air drying
4250 Vinyl modified - - 49.0~
51.0
T~W ≦8.0 Xylene Metal coating fast drying
hardness/
air drying
  • *Viscosity: Gardner viscosity at 25°C.
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