THERMOPLASTIC POLYMER CONTAINING COMPOSITION Russian patent published in 2007 - IPC C08L69/00 C08K5/3475 

Abstract RU 2293749 C2

FIELD: polymer materials.

SUBSTANCE: invention relates to compositions containing thermoplastic polymers and benzotriazoles as UV absorbers as well as to products obtained from these compositions. These products are, in particular, layered plates with their one or both outside layers containing composition made up of polycarbonate, between 0.1 and 15% of one or several different compounds having general formula I: (I) and between 0.0001 and 0.4% of one or several different compounds having general formula II: (II).

EFFECT: improved quality of plate surface obtained using extrusion technique due to optimized compositions while preserving required anti-UV protection of plates.

8 cl, 1 tbl

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RU 2 293 749 C2

Authors

Gorni Rjudiger

Anders Zigfrid

Nizing Vol'Fgang

Dates

2007-02-20Published

2001-10-15Filed