Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-12-28
1991-01-08
Morgan, Kriellion
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524291, 524342, 25240021, 252404, 528 59, 528 65, 528393, 528398, 548112, 548119, 549219, 558167, 558176, C08K 53492, C08G 810, C08G 828, C08G 5940
Patent
active
049836544
ABSTRACT:
This invention is directed to a stabilizer useful to retard transesterification in moldable polymer blends containing polyester(s) during processing of the blends at elevated temperatures, particularly at high temperatures above about 285.degree. C. More particularly, the stabilizer comprises a phosphate-epoxy adduct. The stabilizer may optionally further comprise a reactive functionality component comprising a compound having a imide or oxazoline functionality and/or a hindered phenol component. The invention is also directed to a composition comprising the stabilizer and a particularly defined polymer blend.
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Chemistry of Miscible Polycarbonate-Copolyester Blends; Smith, Barlow and Paul, Journal of Applied Polymer Science, vol. 26, 4233-4245, (1981).
Cheung Mo-Fung
Golovoy Amos
van Oene Henk
Ford Motor Company
May Roger L.
Melotik Lorraine S.
Morgan Kriellion
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