C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/02 (2006.01) B29C 67/24 (2006.01) C08G 18/32 (2006.01) C08G 18/72 (2006.01) C08G 18/75 (2006.01) C08G 71/02 (2006.01) C08L 67/00 (2006.01)
Patent
CA 2428353
Disclosed is a solvent-free continuous process for the preparation of a polymeric composition comprising a polymer and a thermoset in an amount of 0.5 to 50% by weight based on the polymeric composition, where the thermoset is prepared in the polymer matrix from its corresponding starting components, by reaction in an extruder, intensive kneader, intensive mixer, or static mixer, through intensive mixing and brief reaction with introduction of heat and with subsequent isolation of the final product by cooling. One of the starting components has at least 2 NH2 groups and another has at least 2 NCO groups, while 0.5 to 100% of the starting components have more than 2 functionalities. The polymer used as the matrix may have OH groups. In the resulting polymer composition, the thermoset is distributed homogeneously in the polymer matrix. The resulting polymer composition may be used in coating, adhesive, sealant or insulating materials.
Behrendt Klaus
Grenda Werner
Herda Silvia
Weihrauch Thomas
Weiss Jorn Volker
Degussa Ag
Fetherstonhaugh & Co.
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