DURABLE FLUORESCENT PRODUCTS HAVING MULTIPLE FILM LAYERS Russian patent published in 2015 - IPC C09K11/06 B32B27/20 B32B27/30 G02B5/12 G09F13/20 

FIELD: chemistry.

SUBSTANCE: fluorescent product contains an underlying stained fluorescent film and an overlying stained fluorescent film formed above the underlying stained fluorescent film. The underlying stained fluorescent film contains a first fluorescent staining agent in an acrylic substrate matrix, The overlying stained fluorescent film contains a second fluorescent agent in a coating acrylic matrix. The staining agent of the underlying stained fluorescent film is specified in benzothiazine, thioxanthen and benzoxanthen.

EFFECT: producing a fluorescent product having a stain stability.

15 cl, 1 tbl, 7 dwg, 4 ex