Method of preparing catalyst for polymerization of aliphatic...

Details Method of preparing catalyst for polymerization of aliphatic... Method of preparing catalyst for polymerization of aliphatic...

2006-12-12

2006-12-12

McKenzie, Thomas (Department: 1625)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

C502S151000, C502S170000

Reexamination Certificate

active

07148317

ABSTRACT:
Disclosed is a method of preparing a catalyst for polymerization of an aliphatic polycarbonate including oxidizing a dicarboxylic acid precursor and a zinc precursor under a pressurized condition, and a method for polymerizing the aliphatic polycarbonate.

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patent: 2000-17067 (2000-01-01), None
patent: WO 99/11694 (1999-03-01), None
Morrison and Boyd, Organic Chemistry 3rdEd. (1974) pp. 668.
Ree et al., “A New Copolymerization Process Leading to Poly (propylene carbonate) with a Highly Enhanced Yield from Carbon Dioxide and Propylene Oxide,” Journal of Polymer Science; Part A: Polymer Chemistry, 37: 1863-1876 (1999).

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