alkyd resin - определение. Что такое alkyd resin
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Что (кто) такое alkyd resin - определение

PAINTING IMPLEMENT
Alkyd resin
  • Structure of an idealized alkyd resin derived from [[glycerol]] and [[phthalic anhydride]]

Alkyd         
An alkyd is a polyester resin modified by the addition of fatty acids and other components. Alkyds are derived from polyols and organic acids including dicarboxylic acids or carboxylic acid anhydride and triglyceride oils.
alkyd         
['alk?d]
¦ noun Chemistry any of a group of synthetic polyester resins.
Origin
1920s: blend of alkyl and acid.
Resin worker         
  • Live resin in Poland
PROFESSION
Resin burner; Resin picker; Resin gatherer; Resin collecting; Resin burning; Resin gathering
Resin workers were people whose work involved the extraction or working of resin, which was needed as a raw material in the manufacture of pitch, tar and turpentine. Resin work was an occupation that largely died out in the 19th and 20th centuries, but it was sometimes a primary occupation as well as a secondary source of income.

Википедия

Alkyd

An alkyd is a polyester resin modified by the addition of fatty acids and other components. Alkyds are derived from polyols and organic acids including dicarboxylic acids or carboxylic acid anhydride and triglyceride oils. The term alkyd is a modification of the original name "alcid", reflecting the fact that they are derived from alcohol and organic acids. The inclusion of a fatty acid confers a tendency to form flexible coatings. Alkyds are used in paints, varnishes and in moulds for casting. They are the dominant resin or binder in most commercial oil-based coatings. Approximately 200,000 tons of alkyd resins are produced each year. The original alkyds were compounds of glycerol and phthalic acid sold under the name Glyptal. These were sold as substitutes for the darker-colored copal resins, thus creating alkyd varnishes that were much paler in colour. From these, the alkyds that are known today were developed.