POLYMER COMPOSITION FOR STRUCTURAL MATERIALS Russian patent published in 2007 - IPC C08L67/02 C08K5/10 

FIELD: manufacture of building materials.

SUBSTANCE: invention relates to compositions based on polyethylene terephthalate employed as structural material to which, according to invention, a modifier is added, in particular polyarylatoxymate based on tere- and isophthalic acid dichloroanhydides and phenolketoxyme containing phtalide group depicted by following formula: , wherein M denotes . Product is characterized by specific viscosity in tetrachloroethane at 25°C η=0.73-0.80 dL/g (0.05-1 % by weight).

EFFECT: increased heat resistance, improved performance characteristics, extended temperature range for using products obtained from claimed material, and increased electrical strength.

2 dwg, 1 tbl, 4 ex