Thermoplastic compositions based on polyphenylene ethers and...

C - Chemistry – Metallurgy – 08 – L

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C08L 25/10 (2006.01) C08L 25/00 (2006.01) C08L 71/12 (2006.01) C08L 9/06 (2006.01)

Patent

CA 1256226

23443-300 ABSTRACT OF THE DISCLOSURE The invention relates to thermoplastic compositions made up of: A. Polyphenylene ethers, in an amount of 15-95 wt. parts; B. Styrene resins, in an amount of 0 to 70 wt. parts; C. E-SBR rubbers, in an amount of 3-15 wt. parts; D. Styrene-butadiene polymers prepared by emulsion polymerization (with styrene incorporated in the copolymer in the amount of > 80 Wt.%) in the amount of 3-15 wt. parts; and E. Optionally, other additives. The invention further relates to a method for preparing such thermoplastic compositions. The composition can be prepared by a simple method and has high dimensional stability under heat and high impact strength.

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