Method for the production of a packaging made of...

Details Method for the production of a packaging made of... Method for the production of a packaging made of...

2003-09-11

2010-11-09

Nutter, Nathan M (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S210000, C525S211000, C526S280000, C526S281000, C428S515000, C428S521000

Reexamination Certificate

active

07829633

ABSTRACT:
A process for producing packaging composed of thermoformable film composed of thermoplastic polyolefins provides the thermoforming of the film at temperatures in the range from 70 to 170° C., thus giving packaging which has a high heat distortion temperature in the range from 60 to 200° C. and which has a high water-vapor barrier. The thermoformable film comprises an amount in the range from 5 to 100% by weight of COC with a glass transition temperature Tgin the range from 65 to 200° C.

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