SynAsphalt in Paints

Paints

Synthetic asphalt can be used in the manufacture of paints. This material is used in paints based on bitumen. The high nitrogen content in the synthetic asphalt increases tackling properties and stability against ultraviolet radiation. This product is mainly used for painting the exterior surfaces and to create acid resistance. It is used for painting the chassis of cars and metal structures.

Synthetic asphalt can be used as the first carbon wetting agent in the black ink for newspapers and magazines. High concentrations of synthetic asphalt are used in printing inks for newspapers. Basically, this material is used for dispersion of carbon black particles which make up the printed black ink. Moreover, it can be used in paints for wood as a dark brown paint. Due to its unique chemical and physical properties, synthetic asphalt can transmit useful features to paints and polishing agents.

Synthetic asphalt is readily soluble without heating in aromatic solvents (benzene, toluene, and xylene) and the majority of chlorinated solvents. It is also soluble without heating in aliphatic and low aromatic solvents (paints and other naphtha; ink oil, and diluents) but the  mixing time is longer. The atomized grade is recommended for use without heating.

For use in dyes, the synthetic asphalt is usually used in combination with bitumen (asphalt). In most cases, if you are using synthetic asphalt only, the final paint coating will be very rigid and brittle after drying. If only the conventional straight-run bitumen is used, the final paint coating will be is too soft and sticky. Therefore, a combination of synthetic asphalt and bitumen shall be used to achieve the desired hardness (penetration) and the final drying time. Besides giving rigidity to the paint, synthetic asphalt also improves the following

  • Stickiness;
  • Shine;
  • Chemical stability;
  • Water resistance and
  • The consistency of paint.

In terms of rigidity, synthetic asphalt stiffness has very small (0-1) penetration (at 25 ° C, mm.), whereas softer bitumen, which is usually supplied by oil companies or asphalt manufacturers, has  60-70 or 80-100.

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