Chain extension of polyethylene terephthalate with...

Details Chain extension of polyethylene terephthalate with... Chain extension of polyethylene terephthalate with...

C - Chemistry, Metallurgy

08

F

402/215

C08F 20/20 (2006.01) C08F 20/34 (2006.01) C08G 63/685 (2006.01) C08G 69/44 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1301403

ABSTRACT CHAIN EXTENSION OF POLYETHYLENE TEREPHTHALATE WITH POLYACYLLACTAMS High molecular weight polyethylene terephthalate resins in which there is used a chain extending agent having the formula: Image wherein A is any hydrocarbon group having the necessary number of available valences to bound itself to all of the acyl groups of the compound, y is at least 1 and x is an integer of from 6 to 12. Preferably, the chain extending agent is a bisacyllactam, such as terephthaloyl bislaurolactam. The chain extending agent can be used in combination with a carboxyl reactive compound.

582097

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