Coextruded multilayer sheet and tough sleeve label made therefro

Details Coextruded multilayer sheet and tough sleeve label made therefro Coextruded multilayer sheet and tough sleeve label made therefro

1985-01-14

1986-04-29

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428 36, 428515, 428517, 4283186, 4283193, 4283184, 428913, 215 12R, B65D 2308, B32B 2708

Patent

active

045856796

ABSTRACT:
A coextruded multilayer heat shrunk plastic sleeve label having a tough skin layer and a brittle polystyrene foam layer, the skin layer being extruded from a blend of low density polyethylene, a block copolymer of butadiene and styrene as a compatibility agent and optionally, small amounts of polystyrene. The amount of the block copolymer used is sufficient to provide limited adhesion between the skin and foam layers to maximize the toughness of the total label structure. The sleeve label can be sealed by ultrasonic, hot air and heat sealing.

REFERENCES:
patent: 4069934 (1978-01-01), Karabedian
patent: 4111349 (1978-09-01), Buckler et al.
patent: 4463861 (1984-08-01), Tsubone et al.

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