C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/02 (2006.01) C08L 69/00 (2006.01)
Patent
CA 2136732
2136732 9325619 PCTABS00028 Disclosed is a polymer blend having excellent clarity and impact strength which is suitable for use in extrusion blow molding processes comprising: a) 50-95 wt.% of a polyester having repeat units from at least 95 mol % terephthalic acid, at least 90 mol % ethylene glycol and up to 10 mol % 1,4-cyclohexanedimethanol, the polyester having an average molecular weight of 75,000-85,000; b) 40-4 wt.% of recycled scrap polyester having repeat units from at least 90 mol % terephthalic acid and at least 90 mol % ethylene glycol and having a molecular weight of 40,000-55,000, and c) 1-10 wt.% of a polymeric material containing at least 90 wt.% polycarbonate and up to 10 wt.% polyethylene terephthalate.
Light Ronald R.
Mercer James W. Jr.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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