Main > POLYMERS > Oligomer > Ester Oligomer > Butylene Terephthalate Oligomer > Cyclic Butylene Terephthalate Olig. > Patent. > Literature > Poly(Ester). Foam. > Poly(Butylene Terephthalate). Foam. > Making Method. > a) Heating to T = 175 - 205C. > MacroCyclic Oligo(Ester). > to Produce Free Flowing Precursors > (Viscosity = 40-100 Centipoise) > b) Contacting with Blowing Agent > (Chemical or Physical Blowing Agent > or SuperCritical Liquid). > & Initiator Selected From: > OrganoTitanate, > Alkali Metal Salicylate, > Stannous Alkoxide. OrganoTin Compd > c) Recovery ThermoPlastic PolyEster

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c) Recovery ThermoPlastic PolyEster's subsections
Foam.

c) Recovery ThermoPlastic PolyEster's products
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