C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/04 (2006.01) C08L 21/00 (2006.01) C08L 25/02 (2006.01) C08L 25/08 (2006.01) C08L 55/02 (2006.01) C08L 59/00 (2006.01) C08L 67/02 (2006.01) C08L 69/00 (2006.01) C08L 59/02 (2006.01) C08L 67/00 (2006.01) C08L 75/04 (2006.01) C08L 75/06 (2006.01)
Patent
CA 2050684
2050684 9111487 PCTABS00006 The present invention pertains to thermoplastic polymer blends which contain a monovinylidene aromatic copolymer and an acetal polymer and which may also optionally contain an elastomeric material such as an elastomeric thermoplastic polyurethane or an elastomeric copolyester and/or a non-elastomeric polycarbonate or polyester resin. The indicated polymer blends are characterized in that they also contain one or more oxirane-containing stabilizer ingredients and are thereby imparted with improved thermal stability and, surprisingly, with improved U.V. stability and improved impact strength as well. Said polymer blends have good processability and are suitable for use in the preparation of a variety of molded utilitarian articles having a beneficial combination of chemical and physical properties.
Smart & Biggar
The Dow Chemical Company
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