Non-isothermal crystallizable adhesive compositions for multilay

Details Non-isothermal crystallizable adhesive compositions for multilay Non-isothermal crystallizable adhesive compositions for multilay

1989-12-21

1991-09-03

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

525 74, B32B 2708

Patent

active

050454013

ABSTRACT:
Multicomponent thermoplastic resin blends are disclosed which have a nonisothermal crystallization half life of less than thirty seconds. Especially preferred are three component resin blends comprising a maleic anhydride grafted HDPE, an unmodified LLDPE copolymer having a density between about 0.905 and 0.93 g/cc, and an unmodified LLDPE copolymer having a density between about 0.89 and 0.92 g/cc. These thermoplastic resin blends can be used as the adhesive layer in multilayer structures. They are especially useful in blown film multilayer structures and they show particularly good adhesion to polar substrates, e.g., EVOH substrates.

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