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US 2026/0098151 A1Published application
Thermoplastic composition with optimal property balance
AssigneeSabic Global Technologies B.V.
InventorKarin VAN DE WETERING
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Abstract
The present invention relates to a thermoplastic composition comprising (A) aromatic polycarbonate, (B) polyethylene terephthalate, (C) poly(butylene terephthalate), (D) impact modifier, preferably (E) styrene acrylonitrile copolymer and optionally (F) additives. The thermoplastic composition according to the invention has improved balance between impact performance, flowability and stiffness. The present invention moreover relates to an article comprising the thermoplastic composition of the invention.
Claims15
A thermoplastic composition comprising:
- (A) from 30 to 59 wt. % aromatic polycarbonate, wherein the aromatic polycarbonate has a weight average molecular weight in the range from 14.0 to 45.6 kg/mol as measured with gel permeation chromatography (GPC) using polystyrene standard;
- (B) from 20 to 40 wt. % polyethylene terephthalate, wherein the polyethylene terephthalate has an intrinsic viscosity in the range from 0.50 to 1.21 dl/g as measured according to ASTM D2857-95 (2007);
- (C) from 2 to 25 wt. % poly(butylene terephthalate), wherein the poly(butylene terephthalate) has a weight average molecular weight in the range from 45.0 to 150.0 kg/mol as measured with gel permeation chromatography (GPC) using polystyrene standard;
- (D) from 10 to 20 wt. % impact modifier having a fraction in the range, wherein the impact modifier is selected from the group consisting of acrylonitrile styrene butadiene copolymer, ethylene acrylate copolymer, ethylene acrylate glycidyl copolymer and mixtures thereof;
- wherein wt. % is based on the total weight of the thermoplastic composition.
2 more elements
Dependencies are inferred from the claim text.