Bayer Aktiengesellschaft

Horst Gruttmann

Joachim Petzoldt

Hanns-Peter Muller

Manfred Bock

Hanns-Peter M&uuml;ller

Holger Casselmann

Christian Lindner

Christoph Irle

Wolfgang Kaufhold

Heino Müller

Joachim Franke

Henricus Peerlings

Gerald Kurek

J&uuml;rgen Meixner

Heino M&uuml;ller

Hanns Peter M&uuml;ller

Hanns-Peter Müller

Heino M{umlaut Over (u)}ller

Hanns-Peter M{umlaut Over (u)}ller

Hans-Dieter Jacob

Doris Hackem&uuml;ller-Bruns

Kerstin Heeschen

The present invention relates to light fast, aqueous, strippable coating compositions containing A) 40 to 90 wt. %, based on resin solids of A) and B), of aqueous polyurethane-polyureas and B) 10 to 60 wt. %, based on resin solids of A) and B), of polymers prepared from radically polymerizable monomers, wherein the percentages of A) and B) add up to 100, based on the weight of resin solids of A) and B). The present invention relates also to substrates coated with these strippable coating compositions. In addition, the present invention relates to the use of the stripped coatings as recycled material by mechanically comminuting the stripped coatings, optionally after cleaning, and then either pressing them in heatable presses to form sheets, or extruding them in an extruder to form endless thermoplastic threads, and then processing the resulting threads by known granulating methods to form cylindrical, spherical, lenticular or rhombic granules. Finally, the present invention relates to the use of the resulting thermoplastic granules for the production of articles by known processes such as injection molding, blow molding, deep-drawing, slush molding or flat extrusion.

Strippable coating compositions

A thermoplastic molding composition that contains a light-resistant aliphatic thermoplastic polyurethane elastomer is disclosed. The composition which largely contains of thermoplastic polyurethanes with high molecular weights and small amounts of thermoplastic polyurethanes with low molecular weights is useful for the preparation of a variety of articles and for use as sinterable composition in powder form.

Light-resistant thermoplastic polyurethanes, a process for their preparation and their use

The present invention relates to coating compositions comprising a mixture of at least two aqueous, anionic polyurethane polyurea dispersions A and B, wherein dispersion A as a dry film has a TG in the range from &minus;30&deg; C., to &minus;45&deg; and dispersion B as a dry film has a first TG in the range from &minus;30&deg; C. to &minus;45&deg; C. and a second TG in the range from &plus;45&deg; C. to &plus;60&deg; C., and the mixture of A and B as a dry film has only one TG in the range from &minus;30&deg; C. to &minus;45&deg; C.

Coating composition comprising diverse anionic polyurethane-polyurea dispersions

The present invention relates to new shaped articles which comprise active compounds and are based on thermoplastically processable, biologically degradable polymers, preferably polyesters, polyester amides, polyester urethanes and polyester urethane ureas, and their production and use for combating parasites on, around and in the environment of host animals, the shaped articles optionally serving, after use, for combating phytopathogenic insects on open-air or indoor plants.

Active-substance-containing moulded bodies based on biodegradable thermoplastically processable polymers

Cosolvent-free, aqueous, anionic polyurethane dispersions and their use as peelable coatings

The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, of

Cosolvent-free aqueous, anionic polyurethane dispersions and their use

Reactive systems consisting of organic polyisocyanates, organic polyepoxides, polymer modifiers, special catalysts and optionally other auxiliary agents and additives.

Reactive systems and a process for the preparation of modified duroplasts

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Leverkusen, Germany

Horst Gruttmann