C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/20 (2006.01) B29C 71/00 (2006.01) B29C 71/02 (2006.01) C08K 3/00 (2006.01) C08K 3/04 (2006.01) C08K 3/08 (2006.01) C08K 3/22 (2006.01) B29C 49/06 (2006.01)
Patent
CA 2332984
A method of producing a thermoplastic polymer preform having at least a crystalline finish portion comprising: (i) providing a thermoplastic polymer composition comprising a thermoplastic polymer and at least one reheat rate increasing additive; (ii) forming a preform from the thermoplastic polymer composition, wherein the preform comprises a finish portion and a body portion; and (iii) exposing at least the finish portion of the preform to energy until crystallized.
Procédé de production d'une préforme de polymère thermoplastique ayant au moins une partie goulot cristalline, qui consiste? ¿(1) à obtenir une composition polymère thermoplastique comprenant un polymère thermoplastique et au moins un additif d'augmentation de la vitesse de rechauffe, (2) à former une préforme à partir de la composition polymère thermoplastique, la préforme comprenant une partie goulot et une partie corps, et (3) à exposer au moins la partie goulot de la préforme à de l'énergie jusqu'à ce que ladite partie cristallise.
Buehrig Lavonna Suzanne
Fischer David Paul
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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