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Paper, film- and textile coatings


SIPERNAT® and AEROSIL® for sizing and coating of paper, films and textiles


Today, numerous types of substrates such as papers, films, textiles, etc. are available to the print industry.

Print media are purposely designed to function with a specific printing technology and ink or toner. Printable products are classified by the markets in a wide variety of ways. In general, these grades can be categorized by:
  • basis weight & furnish
  • aesthetics (color, gloss, texture)
  • physical properties
  • surface treatment and finish
  • print performance
  • end use or market segment
The products of Evonik Industries are specifically engineered, using precise controls in the manufacturing process, to meet the requirements and the needs of the papermaker, paper converter or producer of coated textiles and films.

Sipernat
Comparison of SIPERNAT® (left) and AEROSIL® (right) structure by TEM photograph
Many components used in the paper and film industries are applied onto the substrate surface, (e.g. as a coating), or dispersed in the paper or film as a filler.
Sipernat
SEM cross-section of paper with inorganic filler
Other components used in the paper industry are formulated for surface treatment (e.g. sizing) in order to fulfill special quality requirements or to prepare the surface for an after-treatment, such as a coating.
SIPERNAT® specialty silica for paper, film- and textile coatings
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