Composites and methods for their production

Details Composites and methods for their production Composites and methods for their production

2002-08-13

2008-07-15

Sanders, Kriellion A (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S493000, C501S148000

Reexamination Certificate

active

07399804

ABSTRACT:
Intercalates and exfoliates formed from layered materials and dendritic polymers are disclosed, together with the uses of these materials, e.g. in producing composite materials. The dispersion of layered materials in a dendritic polymer matrix (hyperbranched polymers, star shaped polymers or star branched polymers) or has not been disclosed in the prior art. The high number of end-groups per molecule of dendritic polymer combined with their unique globular architectures leads to large intergallery spacings when intercalated in layered silicates and particularly facile exfoliation in spite of the high molar mass of the dendritic polymer. The excellent processability and potential high reactivity of dendritic polymers makes them extremely promising for thermoset applications, and coatings.

REFERENCES:
patent: 6376591 (2002-04-01), Lan et al.
patent: 6716948 (2004-04-01), Klaerner et al.
patent: 2002/0098309 (2002-07-01), Bagrodia et al.

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