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An alkyd is polyester made by reacting a polyol with a dibasic acid. An oil-modified alkyd isan oil-modified polyester made from oil and polyol and a dibasic acid. OILs
The oils are triglyceride oils. Three fatty acid groups react with glycerine to form a triglyceride. There are 18 carbon atoms in the fatty acid molecule. The oils can be drying oils or non‑drying oils. Some drying oils are Tung, dehydrated castor oil, linseed, safflower, soybean oil and fish oil. Some non‑drying oils are palm, coconut and cottonseed oil.
Oils
Drying Non‑ drying
Tung Coconut
Dehydrated castor oil Palm
Linseed Cotton seed
Safflower
Sunflower
Soya
Fish
Polyols
The following polyols can be used to make alkyds Glycerine, pentaerythritol,trimethylol Propane and trimethylol ethane.
Dibasic acids
The most commonly used acid is phthalic anhydride. Isophthalic acid can also be used. Other dibasic acids are adipic acid, maleic anhydride and fumaric acid.
Mole Ratio of Phthalic to Glycerine
The mole ratio of phthalic to glycerine is (3) to (2.4)
This
Ratio is use when making 50% oil length alkyds. The same ratio is used
When making alkyds over 50% oil. For short oil alkyds you increase the mole ratio of glycerine to control viscosity and prevent gellation.
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What is Alkyd Primers?
Primer made with alkyd base.
What is the difference between alkyd latex and waterborne alkyd?
Traditionally, alkyds are found in solvent-based paints that must be reduced with paint thinner or mineral spirits. "Waterborne alkyd" is a generic term to refer to an alkyd resin that can be used in a water-thinnable paint. Because alkyds are not miscible with water, a chemical modification is sometimes used to produce a hybrid alkyd resin - often acrylic/alkyd or urethane/alkyd - that is compatible with water. These hybrids are often categorized generically under the term waterborne alkyds. A pure alkyd can be emulsified in water using appropriate surfactant combinations. This type of surfactant-stabilized alkyd emulsion has been sometimes referred to as an "alkyd latex." Different resin manufacturers use varying terminology to describe waterborne alkyds with the terms alkyd emulsion, alkyd dispersion, and alkyd latex being among the most common.
Can you mix alkyd enamel with industrial alkyd for metals?
paint jobs
What is styrenated alkyd resin?
It is a fast drying alkyd which is made by reacting the fatty acid, conjugated double bonds, in a Diels-Alder type reaction, with liquid styrene monomer. It sets up very quickly to become handleable, then dries a normal alkyd. They have good adhesion to aluminum and acrylic plastics. They are used to make hammered finishes , because they are usually in Xylene. There is a sister resins made by adding vinyl toluene, which are in an aliphatic solvent. They both have a specific re-coating window of under 4 hrs .
what paint to use for painting vinyl siding,alkyd or latex?
The paint that seems to work best with vinyl siding are ones that have a blend of urethane and acrylic resins. The most important thing to do when painting siding make sure your surface is clean and dry.
What has the author Krister Holmberg written?
Krister Holmberg has written: 'High solids alkyd resins' -- subject(s): Alkyd resins, High solids coatings
What is the difference between acrylic alkyd and modified alkyd?
Alkyds can be modified (blended with ) acrylic resins/emulsions or other polymers such as phenolic resins or urethanes, so all acrylic alkyds are modified alkyds, but not all modified alkyds are acrylic alkyds. Both are pretty general terms, but modified alkyd is much more vague and proprietary. The term "Acrylic Alkyd" is usually reserved for alkyds which have been chemically modified with acrylic monomers such as methyl methacrylate, methacrylic acid, styrene, vinyl toluene, etc. These acrylic monomers are incorporated into the alkyd molecule by addition polymerization. Such alkyds are generally characterized by faster solvent release, quicker tack-free time, better hardness, blocking resistance, color and color retention, and durability, depending on the choice of monomers and amount of acrylic content. These alkyds are also more expensive than conventional alkyds due to higher cost of monomers and the additional manufacturing steps required.
What is Alkyd Primers?
Primer made with alkyd base.
What is the difference between alkyd latex and waterborne alkyd?
Traditionally, alkyds are found in solvent-based paints that must be reduced with paint thinner or mineral spirits. "Waterborne alkyd" is a generic term to refer to an alkyd resin that can be used in a water-thinnable paint. Because alkyds are not miscible with water, a chemical modification is sometimes used to produce a hybrid alkyd resin - often acrylic/alkyd or urethane/alkyd - that is compatible with water. These hybrids are often categorized generically under the term waterborne alkyds. A pure alkyd can be emulsified in water using appropriate surfactant combinations. This type of surfactant-stabilized alkyd emulsion has been sometimes referred to as an "alkyd latex." Different resin manufacturers use varying terminology to describe waterborne alkyds with the terms alkyd emulsion, alkyd dispersion, and alkyd latex being among the most common.
What is styrenated alkyd resin?
It is a fast drying alkyd which is made by reacting the fatty acid, conjugated double bonds, in a Diels-Alder type reaction, with liquid styrene monomer. It sets up very quickly to become handleable, then dries a normal alkyd. They have good adhesion to aluminum and acrylic plastics. They are used to make hammered finishes , because they are usually in Xylene. There is a sister resins made by adding vinyl toluene, which are in an aliphatic solvent. They both have a specific re-coating window of under 4 hrs .
Can you mix alkyd enamel with industrial alkyd for metals?
paint jobs
what paint to use for painting vinyl siding,alkyd or latex?
The paint that seems to work best with vinyl siding are ones that have a blend of urethane and acrylic resins. The most important thing to do when painting siding make sure your surface is clean and dry.
What does RDCO stand for in Alkyd Resin?
RDCO - Rosinated alkyd made using dehydrated caster oil
Is alkyd a thermoplastic?
Yes
Can an interior alkyd primer be used for priming decoys?
Yes, an interior alkyd primer can be used to prime decoys.
lon Exchange Resins?
lon Exchange Resins
Is Alkyd an acid or allaline?
acid
