Crepetrol™ creping adhesives
Crepetrol creping adhesives comprise a broad portfolio of products that significantly improve the creping process and help to extend the life of Yankee cylinders and creping blades. Designed to provide superior adhesion for Yankee coatings, Crepetrol adhesives control both contact adhesion (initial adhesion to the Yankee cylinder) and peel adhesion (adhesion at the creping blade) and provide a soft, pliable, workable film. These adhesives provide distinct benefits, including enhanced bulk, improved softness and a wider, less sensitive operating window. They can also help to improve moisture control, reduce sensitivity to additives, reduce frequency of blade changes and improve sheet quality.
Recent R&D efforts have resulted in new Crepetrol adhesives with increased solids and higher functionality, delivering lower cost of use for tissue makers. Other product developments have yielded technologies with low epichlorohydrin residuals (e.g., DCP/MCPD) and low or no AOX. These products allow tissue makers to promote the environmental profile of the processes they use to produce their tissue products. New technologies that meet BfR/FDA requirements for food contact papers are also available.
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Product Availability
- Asia Pacific
- Europe, Middle East, Africa, India
- Latin America and South America
- North America
Application InformationWant to know more about how our products are used?
Crepetrol creping adhesives significantly improve the creping process and help to extend the life of Yankee cylinders and creping blades. Commercial applications confirm this and typically result in a number of value-added benefits.
● Improved sheet softness and quality
● Reduced breaks
● Increased paper production
● Improved moisture control
● Reduced steam consumption
● Reduced downtime for cleaning
● Extended equipment life
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ServicesAshland offers a variety of services which complement this product.
Customer Analytical Services
Ashland Water Technologies’ Customer Analytical Services team is dedicated to helping customers address the multitude of contaminants that can negatively impact the efficiency and reliability of their water-based systems. The team is made up of an experienced staff of analytical chemists, microbiologists and technicians and is supported by sophisticated testing equipment that provides rapid analysis and identification of contaminants beyond what may be accomplished with field-based methods. Key services provided by the team include fluid analysis, deposit analysis, microbiological analysis and metallurgical analysis.
Papermaking Services
Continuous pilot papermaking systems are the cornerstones of Ashland Water Technologies’ Papermaking Services group. The primary purpose of our papermaking operations is to provide papermakers with insights and solutions to problems and opportunities related to the effects of additives and system changes on wet-laid products and processes. Our facilities are equipped to conduct trials that predict commercial system performance.
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Method of Application
Crepetrol creping adhesives are typically applied to the Yankee surface along with a release aid, and occasionally an adhesion modifier, through the same sprayboom. The sprayboom is located after the creping blade and the cleaning blade, but before the pressure roll, using specific geometries and spray pressures to achieve optimum results.
The adhesive portion of the coating package migrates to the hot Yankee surface and produces a robust protective layer. Release aids migrate to the air surface, providing blade lubrication and the correct level of adhesion for the sheet. Adhesion modifiers control the adhesion force, enabling superior crepe within a much wider range of moisture operation.