Amorphous moulding from a polyethylene terephthalate plate

Details Amorphous moulding from a polyethylene terephthalate plate Amorphous moulding from a polyethylene terephthalate plate

B - Operations, Transporting

29

C

B29C 51/42 (2006.01) B29C 51/00 (2006.01) B29C 35/04 (2006.01) B29C 35/08 (2006.01) B29C 35/16 (2006.01)

Patent

CA 2233988

The present invention relates to an amorphous, thermoformed moulding, with a thickness in the range of from 1 to 20 mm, which as the main component contains a crystallisable polyethylene terephthalate and is characterised by good mechanical and good optical properties. The moulding can optionally be transparent, dyed to be translucent or dyed to be opaque. In a preferred embodiment, it is also UV-stabilised. The invention also relates to a method for the production of said moulding, and use thereof.

L'invention concerne un corps moulé amorphe thermoformé d'une épaisseur de 1 à 20 mm, contenant comme principal composant un polytéréphtalate d'éthylène susceptible de se cristalliser, qui se caractérise par de bonnes propriétés mécaniques et optiques. Ce corps moulé peut être au choix transparent, teinté de façon à être transparent ou teinté de façon à être opaque. Dans un mode préféré de réalisation, il est en outre stabilisé aux U.V. L'invention concerne également un procédé de production de ce corps moulé et son utilisation.

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