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Polyesters
| Глоссарий терминов смазочных материалов |
Synthetic resins, usually obtained from polymerization of a dibasic acid with a dihydric alcohol, not usually used as lubricant stocks. (see diesters).
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Polymerization, английский
- The chemical combination of similar-type molecules to form larger molecules.
- A chemical reaction in which the molecules
- A chemical reaction in which the molecular weight of the molecules formed is a multiple of that of the original substances. polymer-modified stucco a stucco containing a small amount of acrylic resin to increase its workability.
- A chemical reaction wherein small molecules combine to form much larger molecules. (also see addition polymerization and condensation polymerization.)
- The chemical reaction in which a monomer combines with itself to form a long-chained molecule called a polymer.
- The chemical combination and recombination of the same unsaturated hydrocarbon with itself to form an extensive chain; the chemical process of combining similar molecules to form larger molecules.
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Polyglycol, английский
A polymer of ethylene glycol (c2h602) used as a synthetic base stock; water-soluble polyglycols serve as thickeners or anti-freezes in fr fluids; insoluble forms are used as heat transfer and hydraulic fluids or hightemperature bearing oils.
Polybutene, английский
Synthetic lubricating oil, a polymer of butene (c4h8); principal uses include insulating oils, gas compressor oils and process oils in the aluminum industry.
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