LASER RADIATION-TRANSPARENT POLYESTER Russian patent published in 2016 - IPC C08K3/26 C08L67/00 B29C65/16 B23K26/20 

FIELD: chemistry.

SUBSTANCE: use of thermoplastic moulding compounds, containing as basic components A) polyalkylene terephthalate, B) Na₂CO₃, K₂CO₃, NaHCO₃, KHCO₃ or mixtures thereof per 100 wt % of A) and B), as well as C) other additives selected from a group which includes rubber, fibrous or granular filler, stabilisers, antioxidants, anti-thermal decomposition and anti-UV decomposition agents, and lubricants and means for separation from the mould, colouring agents, such as dyes and pigments, and softeners, wherein the sum of the wt % of A-C is 100%, to obtain laser radiation- transmission

moulded articles.

EFFECT: invention increases laser radiation transparency of polyesters.

8 cl, 10 tbl