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  4. Verfahren zur Erzeugung stark hydrophober Polymerschichten mittels Plasmapolymerisation
 
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Patent
Title

Verfahren zur Erzeugung stark hydrophober Polymerschichten mittels Plasmapolymerisation

Other Title
Highly hydrophobic films plasma polymerisation - using low affinity to oxygen grafted monomers, plasma forming gas, and carrier gas at controlled plasma pressure.
Abstract
A plasma polymerisation process for creating highly hydrophobic polymer films comprises grafting chemical groups with a low affinity to oxygen to monomers and using plasma to carry out polymerisation with little change to their structure. Also claimed is an hydrophobic layer created by the process, having a static contact angle with water more than 120 deg. and a solids energy of 1 mN/m or alternatively a static contact angle less than 90 deg. and a solids energy less than 26 mN/m. Further claimed is a substrate including the above hydrophobic layer. USE - Used to produces dense, thin hydrophobic films for use as a water repellent in various areas, e.g. on textiles, paper, corrosion-prone metals, windows or sealing materials or as an anti-bonding film to prevent adhesion of foodstuffs, paint, ink or adhesives. ADVANTAGE - The materials employed are more environmentally friendly.
Inventor(s)
Vissing, K.D.
Rutke, I.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=DE&NR=19543133A
Patent Number
1995-19543133
Publication Date
1999
Language
German
Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM  
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