Rhein Chemie

Efficient hydrolysis stabilizers – Excellent effect in adhesives

Efficient hydrolysis stabilizers – Excellent effect in adhesives

Tuesday, 28. March 2006 The application technology in the Polyurethane/Plastics Division of Rhein Chemie Rheinau GmbH, Mannheim, is currently focusing heavily on the field of adhesives. Carbodiimides are already well-known as highly efficient hydrolysis stabilizers for plastics such as polyethylene terephthalate (PET), thermoplastic polyester polyurethane (TPU) and polyurethane (PU) elastomers.

Mannheim – The application technology in the Polyurethane/Plastics Division of Rhein Chemie Rheinau GmbH, Mannheim, is currently focusing heavily on the field of adhesives. Carbodiimides are already well-known as highly efficient hydrolysis stabilizers for plastics such as polyethylene terephthalate (PET), thermoplastic polyester polyurethane (TPU) and polyurethane (PU) elastomers.
The use of several carbodiimides from the Stabaxol® product range as hydrolysis stabilizers in adhesives results in a considerable increased performance. The service life of the adhesive based on standard polyester polyols is significantly extended.

The adhesive is not resistant to extreme temperature and humidity conditions. Without hydrolysis protection the tensile strength of the adhesive decreases rapidly. Adding Stabaxol® the tensile strength can be kept on the initial level up to three times longer in comparison with the unprotected material. A long-term protection of the material against hydrolysis is possible. The processing of the adhesive is not influenced by using Stabaxol®.

The extended service life and the enhanced material quality by using carbodiimides offer a decisive competitive edge for the user. This opens up chances to new applications in higher quality market segments.

The wide range of mature, high-quality products within the Stabaxol® group is continuously extended by optimizing existing products and developing of new customized products. Rhein Chemie’s further efforts will be continued in meeting the requirements of the coating, adhesive and sealant industry concerning hydrolysis protection.

Rhein Chemie is a medium-sized chemical company that has been successfully making a name for its customized additives and service products for over 100 years in very mobile markets. Year in, year out, the staff of some 970 employees produces and globally markets numerous products for various applications in the plastics, rubber, lubricants and polyurethane industries. Some 550 employees work at headquarters in Mannheim-Rheinau. The company operates subsidiaries and production facilities in Europe, Asia and North/South America. Rhein Chemie is a wholly owned subsidiary of LANXESS Deutschland GmbH, Leverkusen.

Mannheim, 28. March 2006
bit (2006-03-805EN)

Forward-Looking Statements

This news release contains forward-looking statements based on current assumptions and forecasts made by the management of Rhein Chemie Rheinau GmbH. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of our sole stockholder LANXESS Deutschland GmbH and the estimates given here. These factors include those discussed in LANXESS AG’s reports to the Frankfurt Stock Exchange. LANXESS AG and Rhein Chemie Rheinau GmbH assume no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.