 |
Polyisocyanates for reactive systems
Bayer's Desmodur® L, N and Mondur® MR and MRS are polyisocyanate
raw materials which, when used in combination with our polyether polyols
(Acclaim®, Multranol® and Arcol®), produce reactive adhesives.
Properties: The Mondur MR and MRS grades are MDI-Based
polyisocyanates and differ from one another in their isomer composition.
The Mondur® MR and MRS grades contain higher-functional isomer
contents with a functionality above 2. The result is an optimized,
controlled reactivity with polyols, thus simplifying the otherwise
complicated process of coordinating the reaction parameters. The
variability of the Desmodur® and Mondur® grades makes it
possible to formulate adhesives that can be optimized with regard
to bond flexibility, specific adhesion to a variety of substrates,
durability of the bond and curing speed. Desmodur® L grades
are used as crosslinking agents for solventborne adhesives containing
hydroxyl groups. Desmodur® N grades are used as co-reactants
for adhesives with good resistance to discoloration.
Uses:
Desmodur® L, N, Mondur® MR and MRS grades have proved particularly
useful for the production of adhesives for sandwich construction
in the automotive industry.
Advantages:
- Adhesion-promoting effect on plastics
- High heat stability
- Resistance to solvents, plasticizers and grease
- Rapid crosslinking
- Flexible even at low temperatures
Contact us and our technical
experts will be pleased to give detailed advice on specific applications
of Bayer products in the transportation industry.
|
|
Desmodur
L75
