Poly(trimethylene terephthalate) pellets with reduced...

Details Poly(trimethylene terephthalate) pellets with reduced... Poly(trimethylene terephthalate) pellets with reduced...

B - Operations, Transporting

29

B

B29B 9/16 (2006.01) C08G 63/183 (2006.01) C08G 63/90 (2006.01) C08J 11/02 (2006.01) C08L 67/02 (2006.01) G01N 33/44 (2006.01)

Patent

CA 2754231

The invention relates to the preparation of poly(trimethylene terephthalate) polymer pellets with reduced oligomers and a process for measuring the reduction of oligomers in PTT polymer which occurs when the polymer is subjected to a heat source. This reduction allows for lower polymer blooming due to reduction of oligomers in the polymer.

L'invention concerne la préparation de pastilles de polymère de poly(téréphtalate de triméthylène) avec des oligomères réduits et un procédé de mesure de la réduction des oligomères dans un polymère PTT qui se produit lorsque le polymère est soumis à une source de chaleur. Cette réduction permet une efflorescence inférieure du polymère due à la réduction des oligomères dans le polymère.

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