Shrinkable polyethylene terephthalate film

Details Shrinkable polyethylene terephthalate film Shrinkable polyethylene terephthalate film

F - Mech Eng,Light,Heat,Weapons

16

L

18/1041, 220/2

F16L 11/06 (2006.01) B65D 65/38 (2006.01) C08G 63/18 (2006.01) C08J 5/18 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1068865

ABSTRACT OF THE DISCLOSURE The present invention relates to a polyethylene terephthalate film stretched biaxially according to the stenter stretching process of longitudinally and multiaxially at the circumference according to the tube stretching process. The film has an improved shrinkage and, simultaneously, an earlier shrinkage start, compared to films of the prior art. More specifically, this invention relates to a stretched shrinkable film of polyethylene terephthalate containing about 2 to 35 per cent by weight of polybutylene terephthalate.

242022

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