Method for producing foamed molded bodies
AssigneeBayer MaterialScience AG
InventorsReinhard Albers, Hans-Guido Wirtz, Michael Loof, Andreas Pielasch
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Abstract
The invention relates to a method for producing foamed molded bodies comprising the steps of A) providing a mold, and B) introducing a foam-forming reaction mixture into the mold under variable pressure of injection, wherein the method is characterized in that the foam-forming reaction mixture has a fiber time of ≧20 s to ≦60 s.
Claims27
-18. (canceled)
A method for producing foamed molded bodies comprising the steps of
- A) providing a mold, and
- B) introducing a foam-forming reaction mixture into the mold under variable pressure of injection,
- wherein the foam-forming reaction mixture has a fiber time at 20° C. of ≧20 s to ≦60 s.
The method as claimed in 19, wherein the injection pressure is reduced over time in step B.
The method as claimed in 27, wherein the injection pressure is reduced over time in step B) in a very substantially linear manner.
Dependencies are inferred from the claim text.