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Dive into the research topics where Martin Wulf is active.

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Featured researches published by Martin Wulf.


Soft Materials | 2005

Opaline effect pigments by spray induced self‐assembly on porous substrates

Dirk Dr. Allard; Birger Lange; Friederike Fleischhaker; Rudolf Zentel; Martin Wulf

Self‐assembling of opaline materials on porous substrates like paper requires a very fast crystallization, which can be realized with highly monodisperse colloids. This opens the possibility of applying effect pigments to such substrates not by spraying the rather large effect pigments themselves, but by spraying their building blocks, which self‐assemble later on. The feasibility of this approach is presented here for monodisperse polymethyl methacrylate (PMMA) spheres. This process tolerates additives used for ink‐jet printing.


Macromolecular Symposia | 2002

Coatings with self-cleaning properties

Martin Wulf; Anja Wehling; Oliver Reis

The issue of self-cleaning significantly gained popularity due to the work of Barthlott and coworkers on the so called Lotos-Effect®. They found out, that the cleanliness of the Lotos leaves originates from a combined effect of surface topography and hydrophobicity. The symbol of the beautiful Lotos flower as well as the fascination of surfaces being cleaned without any manual activity, simply by a rain shower, has since then stimulated the fantasy of many researchers. Our vision is to copy this mechanism from mother nature and to implement it into coating systems in such a way, that conventional application techniques, e.g. spray-coating, can be applied without the necessity of further process steps like e.g. soft lithography. Three different approaches will be presented in this paper. Roughness and contact angle measurements have been used to quantify the self-cleaning properties.


Macromolecular Materials and Engineering | 2004

Artificial Opals as Effect Pigments in Clear‐Coatings

M. Egen; Lydia Braun; Rudolf Zentel; Klaus Tännert; Peter Frese; Oliver Reis; Martin Wulf


Archive | 2001

Process for coating substrates

Volker Rekowski; Oliver Reis; Martin Wulf


Archive | 2005

Process for the production of a coating layer on three-dimensional shaped substrates with radiation-curable coating compositions

Dimitry Chernyshov; Fabian Koehn; Martin Wulf


Archive | 2006

Process for the preparation of coatings with specific surface properties

Uwe Wilkenhoener; Martin Wulf; Carmen Flosbach


Archive | 2006

Process for vehicle repair coating

Juergen Peter Stropp; Martin Wulf; Helmut Loeffler; Dimitry Chernyshov


Archive | 2004

Process for the production of backing foils provided on one side with a transparent coating and an image

Carmen Flosbach; Peter Frese; Phu Qui Nguyen; Martin Wulf


Archive | 1999

Process for the preparation of powder coating compositions

Uwe Wilkenhoener; Martin Wulf


Archive | 2006

Process of preparation of specific color effect pigments

Martin Wulf; Klaus Taennert; Dirk Allard; Rudolf Prof. Dr. Zentel

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