Henkel Ag & Company, Kgaa

Tamara Schmidt

Andreas Ferencz

Wolfgang Lupp

Lothar Thiele

Andreas Niegemeier

Konrad Becker

Oliver-Kei Okamoto

Dustin Ullmann

Thomas Bachon

Dirk Kasper

Olaf Lammerschop

Andrew Slark

Daniela Braun

Lothar Unger

Erik Hattemer

Werner Juettner

Tim Maeling

Werner JÜTTNER

The invention relates to a thermoplastic polyurethane matrix resin composition, comprising at least one Calkane diol, at least one alkoxylated aromatic diol and at least one polyisocyanate. Furthermore, the present invention relates to a fiber-reinforced composite comprising a cured thermoplastic polyurethane polymer matrix according to the present invention and a fiber material. Moreover, a method for the manufacture of the fiber-reinforced composite according to the present invention and use of the composition or the fiber-reinforced composite in railway vehicles, automotive vehicles, aircraft vehicles, boats, space vehicles, motorbikes, bicycles, sporting goods, helmets, functional clothing, shoes, construction parts in bridges and buildings or wind turbine blades are described.

Thermoplastic polyurethane matrix resin

The invention relates to compositions comprising a fiber material and a specific thermoplastic binder. The thermoplastic binder comprises at least one thermoplastic polyurethane polymer (A), wherein said thermoplastic polyurethane polymer (A) comprises a reaction product of (i) at least one polyester polyol and (ii) at least one polyisocyanate, optionally at least one diol (iii) which is different from the polyester polyol (i) is contained. The molar ratio of the NCO groups of said polyisocyanate (ii) to the sum of OH groups of said polyester polyol (i) and said optionally containing diol (iii) is less than 1.00:1. Said polyester polyol (i) comprises (a) at least one semi-crystalline polyester polyol having a melting point (T) of from 40 to 180&#xb0; C., and (b) at least one non-crystalline polyester polyol. Furthermore, the present invention relates to a fiber-reinforced composite comprising a cured thermosetting polyurethane polymer matrix reinforced by the composition according to the present invention. Moreover, a method for the manufacture of the fiber-reinforced composite according to the present invention and use of the composition or the fiber-reinforced composite in railway vehicles, automotive vehicles, aircraft vehicles, boats, space vehicles, motorbikes, bicycles, sporting goods, helmets, functional clothing, shoes, construction parts in bridges and buildings or wind turbine blades are described.

Compositions comprising a fiber material and a thermoplastic binder

The invention relates to compositions comprising a fiber material and a specific thermoplastic binder. The thermoplastic binder comprises at least one thermoplastic polyurethane polymer, wherein said thermoplastic polyurethane polymer comprises a reaction product of (i) at least one semi-crystalline polyester polyol, and (ii) at least one polyisocyanate. The molar ratio of the NCO groups of said polyisocyanate (ii) to the sum of OH groups of said polyester polyol (i) is less than 1.00:1 and the thermoplastic polyurethane polymer has (a) a melting enthalpy of at least 20 J/g, (b) a melting point (T) of &#x3e;70&#xb0; C., and (c) an average number molecular weight (M) of 5,000 to 80,000 g/mol. Furthermore, the present invention relates to a fiber-reinforced composite comprising a cured thermosetting polyurethane polymer matrix reinforced by the composition according to the present invention. Moreover, a method for the manufacture of the fiber-reinforced composite according to the present invention and use of the composition or the fiber-reinforced composite in railway vehicles, automotive vehicles, aircraft vehicles, boats, space vehicles, motorbikes, bicycles, sporting goods, helmets, functional clothing, shoes, construction parts in bridges and buildings or wind turbine blades are described.

The invention relates to a two-component polyurethane composition containing i) 10 to 80 wt. % of at least one polyol with an average molecular weight of 200 g/mol to 3000 g/mol, ii) 5 to 60 wt. % of at least one aromatic polyisocyanate, and iii) 0 to 15 wt. % of an additive. The composition has an NCO:OH ratio of 2:1 to 1:2, and the composition has a viscosity of 20 to 3000 mPas (EN ISO 2555, Brookfield viscometer, 25&#xb0; C.) and displays a phase incompatibility after the mixing process. The functionality of the polyol mixture is greater than 2.3.

2K polyurethane systems with phase separation

A two-component polyurethane composition with a viscosity of 20 to 3000 mPa&#xb7;s (EN ISO 2555, 25&#xb0; C.), containing i) 10 to 80 wt. % of at least one polyol with a number-average molecular weight of 200 g/mol to 3000 g/mol, ii) 5 to 70 wt. % of at least one polyisocyanate, iii) 0 to 10 wt. % of a catalyst, wherein the composition has an NCO:OH ratio of 2:1 to 1:2 and polyisocyanates are used, wherein 3 to 25 mol % of the NCO groups of the polyisocyanate are converted into carbodiimide and/or uretonimine. The two-component polyurethane compositions are used as matrix binders for fiber composite moldings.

2K polyurethane systems with a high glass-transition temperature

Aqueous, storage-stable emulsions of &#x3b1;-silyl terminated polymers are useful as adhesives, sealing compounds and coating materials. The &#x3b1;-silyl terminated polymers correspond to the general formula (I): in which Ris a linear or branched alkyl or alkoxy group containing 1 to 4 carbon atoms, Rand Rindependently of one another are linear or branched alkyl groups containing 1 to 4 carbon atoms, Rand Rindependently of one another are divalent organic connecting groups, Ris a hydrophobic divalent polymer group; and Ris a CHSiR(OR)(OR) group, in which R, Rand Rhave the above meaning or Rstands for a group that lends the polymer of the general formula (I) the property of self-emulsification in water by forming an oil in water emulsion.

Storage-stable aqueous emulsions of &#x3b1;-silyl terminated polymers

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Oberhausen, Germany

Tamara Schmidt