Oriented high density polyethylene film, compositions and...

Details Oriented high density polyethylene film, compositions and... Oriented high density polyethylene film, compositions and...

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08K 5/09 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2456312

The draw ratio and/or rate of stretch of HDPE in film orientation can be increased, or the breakage frequency at a given draw ratio and draw rate decreased by the addition of an orientation improving amount of a normally solid fatty carboxylic acid having a melting point lower than the orientation temperature of the film.

L'invention concerne la possibilité d'augmenter le taux d'étirage et/ou d'allongement de polyéthylène haute densité en film orienté, ou bien de réduire la fréquence de rupture, pour un taux d'étirage et d'allongement donné, par adjonction d'une quantité, améliorant l'orientation, d'acide carboxylique gras normalement solide dont le point de fusion est inférieur à la température d'orientation du film proprement dit.

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