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US 2026/0217962 A1Published application
Thermoplastic composition, method for the manufacture thereof, and articles made therefrom
AssigneeShpp Global Technologies B.V.
InventorsKeran Chen, Wei Shan, Yun Zheng
Life of this patent
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Abstract
A thermoplastic composition includes particular amounts of a poly(methyl methacrylate) and a radial hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene having a particular alkenyl aromatic content. Methods for making the composition and articles made from the composition are also provided.
Claims15
A thermoplastic composition comprising:
- 70 to 99 weight percent of poly(methyl methacrylate);
- and
- 1 to 30 weight percent of a radial hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene having an alkenyl aromatic content of 10 to 20 weight percent, preferably 10 to 15 weight percent, based on the total weight of the hydrogenated block copolymer;
- wherein weight percent of each component is based on the total weight of the thermoplastic composition;
- wherein the combined amount of the poly(methyl methacrylate) and the hydrogenated block copolymer is at least 90 weight percent;
- and
- wherein a molded sample of the thermoplastic composition exhibits one or more of:
- a dielectric constant Dk of 2.45 to 2.75 at 1.9 GHz;
- a dielectric loss Df of less than 0.01 at 1.9 GHz;
- a transmission of greater than 90% at a thickness of 2 millimeters or 3 millimeters, according to ASTM D1003;
- a haze of less than 4% at a thickness of 2 millimeters, according to ASTM D1003;
- and
- a haze of less than 8% at a thickness of 3 millimeters, according to ASTM D1003.
10 more elements
Dependencies are inferred from the claim text.