Transparent coating compositions containing nanoscale particles

Details Transparent coating compositions containing nanoscale particles Transparent coating compositions containing nanoscale particles

1999-03-16

2000-02-01

Niland, Patrick D.

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...

523318, 523319, 524401, 524442, 524492, 524493, 524589, 524591, 524839, 524840, 525123, 525455, C08J 300, C08K 320, C08L 7500

Patent

active

060204192

ABSTRACT:
The present invention relates to transparent coating compositions containing a binder and 0.5 to 25 wt. %, based on resin solids, of a material consisting of nanoscale primary particles obtained by jet dispersion of the nanoscale particles in the coating composition. The present invention also relates to a process for the production of these transparent coating compositions containing nanoscale particles by passing the coating compositions containing nanoscale primary particles and a binder in at least one pass through an apparatus which has at least one nozzle or at least one slit having a bore diameter or slit width of 0.05 to 1 mm and a length to diameter ratio of the bore or a depth to slit width ratio of the slit of 1 to 10, wherein there is a pressure differential between the nozzle inlet and outlet of at least 0.5, preferably of 1 MPa.

REFERENCES:
patent: 5358695 (1994-10-01), Helble et al.
patent: 5447708 (1995-09-01), Helble et al.
patent: 5614590 (1997-03-01), Bederke et al.
patent: 5723518 (1998-03-01), Kahl et al.
patent: 5810266 (1998-09-01), Nyssen et al.
patent: 5889065 (1999-03-01), Kirchmeyer et al.

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